latest research paper on biotechnology

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Biotechnology articles from across Nature Portfolio

Biotechnology is a broad discipline in which biological processes, organisms, cells or cellular components are exploited to develop new technologies. New tools and products developed by biotechnologists are useful in research, agriculture, industry and the clinic.

Lipid nanoparticles target haematopoietic stem cells

Genetic therapies are delivered to haematopoietic stem cells using targeted lipid nanoparticles.

• Dimitrios Bitounis
• Mansoor M. Amiji

New dimensions for fluorescence-based barcoding in complex mixtures

Combining single-molecule Förster resonance energy transfer (FRET) and fluorescence lifetime information inside an anti-Brownian electrokinetic (ABEL) trap makes it possible to distinguish dozens of biomolecules in a sample mixture. This method enables extensive barcoding of biomolecules with a minimal set of chemical components and opens up a path toward biomolecule quantification in complex mixtures.

• Thorsten Hugel

A mobile home for T cells

Lyophilized lymph nodes are a natural scaffold to deliver chimeric antigen receptor (CAR) T cells to tumour resection sites, where they serve as a natural T cell-supporting niche and enhance CAR T cell efficacy in reducing recurrence in preclinical tumour resection models.

• Darrell J. Irvine

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An efficient low cost means of biophysical gene transfection in primary cells

• Shudi Huang
• Tyler R. Henderson
• Jeffrey T. Henderson

Exploring plant-derived phytochrome chaperone proteins for light-switchable transcriptional regulation in mammals

Synthetic biology applications require finely tuned gene expression, often mediated by synthetic transcription factors. Here the authors validate two plant-derived proteins, FHY1 and FHL, acting as transactivators in mammalian cells for orthogonal, modular, and tunable control of gene transcription by forming a photosensing transcriptional regulation complex with PhyA.

• Deqiang Kong

Artificial cellulosic leaf with adjustable enzymatic CO 2 sequestration capability

Developing artificial leaves is crucial for advancing Net Zero Future, but most artificial leaves rely on the use of metal or semiconductors catalysts that usually have a lower catalytic activity and selectivity compared to biocatalysts. Here the AUs report Ecoleaf, a biodegradable artificial leaf that mimics the controlled expansion and contraction of stomata and enables enzymic CO 2 conversion.

Development of deaminase-free T-to-S base editor and C-to-G base editor by engineered human uracil DNA glycosylase

Efficient base editors for direct thymine (T) editing are highly desirable. Here, authors develop two deaminase-free glycosylase-based base editors for direct T editing (gTBE) and C editing (gCBE) by rounds of structure-informed mutagenesis on human DNA glycosylase UNG and further engineering.

• Huawei Tong
• Haoqiang Wang

Polymers of functionalized diaminopropionic acid are efficient mediators of active exogenous enzyme delivery into cells

• A. Romanowska
• P. Rachubik

Optimizing cell therapy by sorting cells with high extracellular vesicle secretion

Extracellular vesicles have been exploited as potential therapeutic agents. Here, the authors apply a nanovial technology to select sub-populations of cells that secrete high levels of extracellular vesicles, leading to improved therapeutic efficacy when delivered in vivo.

• Dino Di Carlo

News and Comment

Mini-colons unlock tumour development outside the body

In this Tools of the Trade article, Francisco Lorenzo-Martín and Matthias Lutolf present mini-colons as a new ex vivo cancer model that incorporates microfabrication, tissue engineering and optogenetics.

• L. Francisco Lorenzo-Martín
• Matthias P. Lutolf

Bioproduction from methanol

The future of bioproduction lies in efficient C1 utilization. Methanol derived from CO 2 can be fed to engineered bacteria that convert it into platform chemicals currently produced from fossil fuels. Now, recent results confirm we are getting closer.

• Jan Lukas Krüsemann
• Steffen N. Lindner

Nanowires engineer naive T cells for immunotherapy

Nanowires enable efficient genetic engineering of non-activated naive T cells, providing a technological platform for the generation of gene-modified T cells with maximal therapeutic efficacy.

• Dragana Slavkovic-Lukic
• Luca Gattinoni

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What It’s like to Live with a Brain Chip, according to Neuralink’s First User

Thirty-year-old Noland Arbaugh says the Neuralink chip has let him “reconnect with the world”

Lauren Leffer

This Start-Up Wants You to Put Custom Bacteria on Your Teeth

Lumina Probiotic has said a genetically modified microbe could prevent cavities. Experts, though, have safety concerns

Christina Szalinski

‘Smart Gloves’ Teach Piano Playing through Touch

A high-tech pair of gloves can help make learning instruments and other hands-on activities easier

Riis Williams

The Tale of the Snail Slime Wrangler

Mucus is a miracle of evolution, and some researchers are trying to re-create what nature makes naturally.

Christopher Intagliata

Your Next Flight's Fuel Could Be Made By Microbes

The aviation industry is getting ready to embrace fuel produced by fermentation

Emily Waltz, Nature Biotechnology

A-fib—a Rapid, Irregular Heartbeat—Can Kill You, but New Tech Can Spot It

A fluttering heartbeat called A-fib can lead to stroke, but smartwatches can detect it, and there are good treatments

Lydia Denworth

Elon Musk’s Neuralink Has Implanted Its First Chip in a Human Brain. What’s Next?

The wealthiest person on Earth has taken the next step toward a commercial brain interface

Ben Guarino

Ultrasound Enables Remote 3-D Printing—Even in the Human Body

For the first time, researchers have used sound waves to 3-D print an object from a distance—even with a wall in the way

Rachel Berkowitz

Your Organs Might Be Aging at Different Rates

It turns out that your chronological age really is just a number. What’s more important for knowing disease risk is the biological age of each of your organs

Lori Youmshajekian

New Soft Electrode Unfolds inside the Skull

An electrode inspired by soft robotics could provide less invasive brain-machine interfaces

Simon Makin

Hearing Aids May Lower Risk of Cognitive Decline and Dementia

As few as 15 percent of people who would benefit from hearing aids use them

How Gene-Edited Insects Are Providing Food, Fuel and Waste Disposal

Companies are recruiting black soldier flies and mealworms as a protein source in animal feed, fertilizer, biofuels and even as ingredients for burgers and shakes

Karl Gruber, Lisa Melton, Nature magazine

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Microvesicles-delivering Smad7 have advantages over microvesicles in suppressing fibroblast differentiation in a model of Peyronie’s disease

This study compared the differences of microvesicles (MVs) and microvesicles-delivering Smad7 (Smad7-MVs) on macrophage M1 polarization and fibroblast differentiation in a model of Peyronie’s disease (PD).

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Improvement and prediction of the extraction parameters of lupeol and stigmasterol metabolites of Melia azedarach with response surface methodology

Melia azedarach is known as a medicinal plant that has wide biological activities such as analgesic, antibacterial, and antifungal effects and is used to treat a wide range of diseases such as diarrhea, malaria, ...

Dual release of daptomycin and BMP-2 from a composite of β-TCP ceramic and ADA gelatin

Antibiotic-containing carrier systems are one option that offers the advantage of releasing active ingredients over a longer period of time. In vitro sustained drug release from a carrier system consisting of ...

Minimizing IP issues associated with gene constructs encoding the Bt toxin - a case study

As part of a publicly funded initiative to develop genetically engineered Brassicas (cabbage, cauliflower, and canola) expressing Bacillus thuringiensis Crystal ( Cry )-encoded insecticidal (Bt) toxin for Indian an...

Activating the healing process: three-dimensional culture of stem cells in Matrigel for tissue repair

To establish a strategy for stem cell-related tissue regeneration therapy, human gingival mesenchymal stem cells (hGMSCs) were loaded with three-dimensional (3D) bioengineered Matrigel matrix scaffolds in high...

Co-overexpression of chitinase and β-1,3-glucanase significantly enhanced the resistance of Iranian wheat cultivars to Fusarium

Fusarium head blight (FHB) is a devastating fungal disease affecting different cereals, particularly wheat, and poses a serious threat to global wheat production. Chitinases and β-glucanases are two important ...

A new mRNA structure prediction based approach to identifying improved signal peptides for bone morphogenetic protein 2

Signal peptide (SP) engineering has proven able to improve production of many proteins yet is a laborious process that still relies on trial and error. mRNA structure around the translational start site is imp...

Correction: Transcriptomic and targeted metabolomic analyses provide insights into the flavonoids biosynthesis in the flowers of Lonicera macranthoides

The original article was published in BMC Biotechnology 2024 24 :19

A model approach to show that monocytes can enter microporous β-TCP ceramics

β-TCP ceramics are versatile bone substitute materials and show many interactions with cells of the monocyte-macrophage-lineage. The possibility of monocytes entering microporous β-TCP ceramics has however not...

Nutritional composition, lipid profile and stability, antioxidant activities and sensory evaluation of pasta enriched by linseed flour and linseed oil

Pasta assortments fortified with high quality foods are a modern nutritional trends. This study, explored the effects of fortification with linseed flour (LF) and linseed oil (LO) on durum wheat pasta characte...

In vitro assessment of the effect of magnetic fields on efficacy of biosynthesized selenium nanoparticles by Alborzia kermanshahica

Cyanobacteria represent a rich resource of a wide array of unique bioactive compounds that are proving to be potent sources of anticancer drugs. Selenium nanoparticles (SeNPs) have shown an increasing potentia...

ECM-mimetic, NSAIDs loaded thermo-responsive, immunomodulatory hydrogel for rheumatoid arthritis treatment

Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease, and it leads to irreversible inflammation in intra-articular joints. Current treatment approaches for RA include non-steroidal anti-infla...

Development of a chemiluminescence assay for tissue plasminogen activator inhibitor complex and its applicability to gastric cancer

Venous thromboembolism (VTE), is a noteworthy complication in individuals with gastric cancer, but the current diagnosis and treatment methods lack accuracy. In this study, we developed a t-PAIC chemiluminesce...

High-performance internal circulation anaerobic granular sludge reactor for cattle slaughterhouse wastewater treatment and simultaneous biogas production

This research investigates the efficacy of a high-performance pilot-scale Internal Circulation Anaerobic Reactor inoculated with Granular Sludge (ICAGSR) for treating cattle slaughterhouse wastewater while con...

Hindering the biofilm of microbial pathogens and cancer cell lines development using silver nanoparticles synthesized by epidermal mucus proteins from Clarias gariepinus

Scientists know very little about the mechanisms underlying fish skin mucus, despite the fact that it is a component of the immune system. Fish skin mucus is an important component of defence against invasive ...

3D printing of Ceffe-infused scaffolds for tailored nipple-like cartilage development

The reconstruction of a stable, nipple-shaped cartilage graft that precisely matches the natural nipple in shape and size on the contralateral side is a clinical challenge. While 3D printing technology can eff...

A cleavable peptide adapter augments the activity of targeted toxins in combination with the glycosidic endosomal escape enhancer SO1861

Treatment with tumor-targeted toxins attempts to overcome the disadvantages of conventional cancer therapies by directing a drug’s cytotoxic effect specifically towards cancer cells. However, success with targ...

Multiprotein collagen/keratin hydrogel promoted myogenesis and angiogenesis of injured skeletal muscles in a mouse model

Volumetric loss is one of the challenging issues in muscle tissue structure that causes functio laesa . Tissue engineering of muscle tissue using suitable hydrogels is an alternative to restoring the physiological...

Analysis of the impact of pluronic acid on the thermal stability and infectivity of AAV6.2FF

The advancement of AAV vectors into clinical testing has accelerated rapidly over the past two decades. While many of the AAV vectors being utilized in clinical trials are derived from natural serotypes, engin...

Rice yellow mottle virus is a suitable amplicon vector for an efficient production of an anti-leishmianiasis vaccine in Nicotiana benthamiana leaves

Since the 2000’s, plants have been used as bioreactors for the transient production of molecules of interest such as vaccines. To improve protein yield, “amplicon” vectors based on plant viruses are used. Thes...

Extraction and analysis of high-quality chloroplast DNA with reduced nuclear DNA for medicinal plants

Obtaining high-quality chloroplast genome sequences requires chloroplast DNA (cpDNA) samples that meet the sequencing requirements. The quality of extracted cpDNA directly impacts the efficiency and accuracy o...

Transcriptomic and targeted metabolomic analyses provide insights into the flavonoids biosynthesis in the flowers of Lonicera macranthoides

Flavonoids are one of the bioactive ingredients of Lonicera macranthoides ( L. macranthoides ), however, their biosynthesis in the flower is still unclear. In this study, combined transcriptomic and targeted metabo...

The Correction to this article has been published in BMC Biotechnology 2024 24 :33

Effects of solid lipid nanocarrier containing methyl urolithin A by coating folate-bound chitosan and evaluation of its anti-cancer activity

Nanotechnology-based drug delivery systems have received much attention over the past decade. In the present study, we synthesized Methyl Urolithin A-loaded solid lipid nanoparticles decorated with the folic a...

Neq2X7: a multi-purpose and open-source fusion DNA polymerase for advanced DNA engineering and diagnostics PCR

Thermostable DNA polymerases, such as Taq isolated from the thermophilic bacterium Thermus aquaticus , enable one-pot exponential DNA amplification known as polymerase chain reaction (PCR). However, properties oth...

A solution for highly efficient electroporation of primary cytotoxic T lymphocytes

Cytotoxic T lymphocytes (CTLs) are central players in the adaptive immune response. Their functional characterization and clinical research depend on efficient and reliable transfection. Although various metho...

Adsorption of Hg 2+ /Cr 6+ by metal-binding proteins heterologously expressed in Escherichia coli

Removal of heavy metals from water and soil is a pressing challenge in environmental engineering, and biosorption by microorganisms is considered as one of the most cost-effective methods. In this study, the m...

Derivation of a novel antimicrobial peptide from the Red Sea Brine Pools modified to enhance its anticancer activity against U2OS cells

Cancer associated drug resistance is a major cause for cancer aggravation, particularly as conventional therapies have presented limited efficiency, low specificity, resulting in long term deleterious side eff...

Polyphyllin B inhibited STAT3/NCOA4 pathway and restored gut microbiota to ameliorate lung tissue injury in cigarette smoke-induced mice

Smoking was a major risk factor for chronic obstructive pulmonary disease (COPD). This study plan to explore the mechanism of Polyphyllin B in lung injury induced by cigarette smoke (CSE) in COPD.

Quantifying carboxymethyl lysine and carboxyethyl lysine in human plasma: clinical insights into aging research using liquid chromatography-tandem mass spectrometry

The objective of this study was to establish a methodology for determining carboxymethyl lysine (CML) and carboxyethyl lysine (CEL) concentrations in human plasma using liquid chromatography-tandem mass spectr...

Iron/Copper/Phosphate nanocomposite as antimicrobial, antisnail, and wheat growth-promoting agent

One of the current challenges is to secure wheat crop production to meet the increasing global food demand and to face the increase in its purchasing power. Therefore, the current study aimed to exploit a new ...

Staphopain mediated virulence and antibiotic resistance alteration in co-infection of Staphylococcus aureus and Pseudomonas aeruginosa : an animal model

Polymicrobial communities lead to worsen the wound infections, due to mixed biofilms, increased antibiotic resistance, and altered virulence production. Promising approaches, including enzymes, may overcome th...

Strain-specific features of Pleurotus ostreatus growth in vitro and some of its biological activities

The production of Pleurotus ostreatus mycelium as a promising object for use in food and other industries is hampered by a lack of information about the strain-specificity of this fungus mycelium growth and its a...

Antibacterial, antibiofilm, and anticancer activity of silver-nanoparticles synthesized from the cell-filtrate of Streptomyces enissocaesilis

Silver nanoparticles (Ag-NPs) have a unique mode of action as antibacterial agents in addition to their anticancer and antioxidant properties. In this study, microbial nanotechnology is employed to synthesize ...

Deep orange gene editing triggers temperature-sensitive lethal phenotypes in Ceratitis capitata

The Mediterranean fruit fly, Ceratitis capitata , is a significant agricultural pest managed through area-wide integrated pest management (AW-IPM) including a sterile insect technique (SIT) component. Male-only re...

Characterization, modeling, and anticancer activity of L.arginase production from marine Bacillus licheniformis OF2

L-arginase, is a powerful anticancer that hydrolyzes L-arginine to L-ornithine and urea. This enzyme is widely distributed and expressed in organisms like plants, fungi, however very scarce from bacteria. Our ...

Green and environmentally friendly synthesis of silver nanoparticles with antibacterial properties from some medicinal plants

Recently there have been a variety of methods to synthesize silver nanoparticles, among which the biosynthesis method is more noticeable due to features like being eco-friendly, simple, and cost-efficient. The...

Reaping the benefits of liquid handlers for high-throughput gene expression profiling in a marine model invertebrate

Modern high-throughput technologies enable the processing of a large number of samples simultaneously, while also providing rapid and accurate procedures. In recent years, automated liquid handling workstation...

Induction of antimicrobial, antioxidant metabolites production by co-cultivation of two red-sea-sponge-associated Aspergillus sp. CO2 and Bacillus sp. COBZ21

The growing spread of infectious diseases has become a potential global health threat to human beings. According to WHO reports, in this study, we investigated the impact of co-cultivating the isolated endophy...

A novel starch-active lytic polysaccharide monooxygenase discovered with bioinformatics screening and its application in textile desizing

Lytic polysaccharide monooxygenases (LPMOs) catalyzing the oxidative cleavage of different types of polysaccharides have potential to be used in various industries. However, AA13 family LPMOs which specificall...

Tuning spacer length improves the functionality of the nanobody-based VEGFR2 CAR T cell

The chimeric antigen receptor-expressing T (CAR-T) cells for cancer immunotherapy have obtained considerable clinical importance. CAR T cells need an optimized intracellular signaling domain to get appropriate...

Fabrication and characterization of metformin-loaded PLGA/Collagen nanofibers for modulation of macrophage polarization for tissue engineering and regenerative medicine

In tissue engineering (TE) and regenerative medicine, the accessibility of engineered scaffolds that modulate inflammatory states is extremely necessary. The aim of the current work was to assess the efficacy ...

Production of a potential multistrain probiotic in co-culture conditions using agro-industrial by-products-based medium for fish nutrition

Probiotics are viable microorganisms that when administered in adequate amounts confer health benefits to the host. In fish, probiotic administration has improved growth, and immunological parameters. For this...

Research on the targeted improvement of the yield of a new VB 12 -producing strain, Ensifer adhaerens S305, based on genomic and transcriptomic analysis

Vitamin B 12 (VB 12 ) has a wide range of applications and high economic value. In this study, a new strain with high VB 12 production potential, Ensifer adhaerens S305, was identified in sewage. Because E. adhaerens

Validation and calibration of a novel GEM biosensor for specific detection of Cd 2+ , Zn 2+ , and Pb 2+

In this study, we designed a novel genetic circuit sensitive to Cd 2+ , Zn 2+ and Pb 2+ by mimicking the CadA/CadR operon system mediated heavy metal homeostasis mechanism of Pseudomonas aeruginosa . The regular DNA m...

Exploring the microbial diversity and characterization of cellulase and hemicellulase genes in goat rumen: a metagenomic approach

Goat rumen microbial communities are perceived as one of the most potential biochemical reservoirs of multi-functional enzymes, which are applicable to enhance wide array of bioprocesses such as the hydrolysis...

The transcriptional factor Clr-5 is involved in cellulose degradation through regulation of amino acid metabolism in Neurospora crassa

Filamentous fungi are efficient degraders of plant biomass and the primary producers of commercial cellulolytic enzymes. While the transcriptional regulation mechanisms of cellulases have been continuously exp...

An online soft sensor method for biochemical reaction process based on JS-ISSA-XGBoost

A method combining offline techniques and the just-in-time learning strategy (JITL) is proposed, because the biochemical reaction process often encounters changing features and parameters over time.

Preparation, purification, and biochemical of fat-degrading bacterial enzymes from pig carcass compost and its application

A lot of kitchen waste oil is produced every day worldwide, leading to serious environmental pollution. As one of the environmental protection methods, microorganisms are widely used treating of various wastes...

Coupling fermentation of glutamic acid and γ-polyglutamic acid and preparation of poly(amino acid) superabsorbent polymers

γ-polyglutamic acid (γ-PGA) is a biomarker that can be directly obtained by microbial fermentation. Poly(amino acid) superabsorbent polymers (SAPs) were prepared with purified γ-PGA as raw material and ethylen...

Serodiagnosis of human brucellosis by an indirect ELISA test using recombinant outer membrane protein 19 kDa (rOMP19) as an antigen

Brucellosis remains one of the global health concerns that reemerges in recent years. Delayed or inaccurate diagnosis end to a long treatment duration and financial burden; therefore, finding a good antigen fo...

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Open Access

The future is bright, the future is biotechnology

* E-mail: [email protected]

Affiliation Public Library of Science, San Francisco, California, United States of America and Cambridge, United Kingdom

• Richard Hodge, 
• on behalf of the PLOS Biology staff editors

Published: April 28, 2023

• https://doi.org/10.1371/journal.pbio.3002135
• Reader Comments

As PLOS Biology celebrates its 20 th anniversary, our April issue focuses on biotechnology with articles covering different aspects of the field, from genome editing to synthetic biology. With them, we emphasize our interest in expanding our presence in biotechnology research.

Citation: Hodge R, on behalf of the PLOS Biology staff editors (2023) The future is bright, the future is biotechnology. PLoS Biol 21(4): e3002135. https://doi.org/10.1371/journal.pbio.3002135

Copyright: © 2023 Hodge, on behalf of the PLOS Biology staff editors. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Funding: The authors received no specific funding for this work.

Competing interests: The authors have declared that no competing interests exist.

The PLOS Biology Staff Editors are Ines Alvarez-Garcia, Joanna Clarke, RichardHodge, Paula Jauregui, Nonia Pariente, Roland Roberts, and Lucas Smith.

This article is part of the PLOS Biology 20th Anniversary Collection.

Biotechnology is a revolutionary branch of science at the forefront of research and innovation that has advanced rapidly in recent years. It is a broad discipline, in which organisms or biological processes are exploited to develop new technologies that have the potential to transform the way we live and work, as well as to boost sustainability and industrial productivity. The new tools and products being generated have a wide range of applications across various sectors, including medicine, agriculture, energy, manufacturing and food.

PLOS Biology has traditionally published research reporting significant advances across a wide range of biological disciplines. However, our scope must continue to evolve as biology increasingly becomes more and more applied, generating technologies with potentially game-changing therapeutic and environmental impact. To that end, we recently published a collection of magazine articles focused on ideas for green biotechnologies that could have an important role in a sustainable future [ 1 ], including how to harness microbial photosynthesis to directly generate electricity [ 2 ] and using microbes to develop carbon “sinks” in the mining industry [ 3 ]. Moreover, throughout this anniversary year we are publishing Perspective articles that take stock of the past 20 years of biological research in a specific field and look forward to what is to come in the next 20 years [ 4 ]; in this issue, these Perspectives focus on different aspects of the broad biotechnology field—synthetic biology [ 5 ] and the use of lipid nanoparticles (LNPs) for the delivery of therapeutics [ 6 ].

One fast moving area within biotechnology is gene editing therapy, which involves the alteration of DNA to treat or prevent disease using techniques such as CRISPR-Cas9 and base editors that enable precise genetic modifications to be made. This approach shows great promise for treating a variety of genetic diseases. Excitingly, promising phase I results of the first in vivo genome editing clinical trial to treat several liver-related diseases were reported at the recent Keystone Symposium on Precision Genome Engineering. This issue of PLOS Biology includes an Essay from Porto and Komor that focuses on the clinical applications of base editor technology [ 7 ], which could enable chronic diseases to be treated with a ‘one-and-done’ therapy, and a Perspective from Hamilton and colleagues that outlines the advances in the development of LNPs for the delivery of nucleic acid-based therapeutics [ 6 ]. LNPs are commonly used as vehicles for the delivery of such therapeutics because they have a low immunogenicity and can be manufactured at scale. However, expanding the toolbox of delivery platforms for these novel therapeutics will be critical to realise their full clinical potential.

Synthetic biology is also a rapidly growing area, whereby artificial or existing biological systems are designed to produce products or enhance cellular function. By using CRISPR to edit genes involved in metabolic pathways, researchers can create organisms that produce valuable compounds such as biofuels, drugs, and industrial chemicals. In their Perspective, Kitano and colleagues take stock of the technological advances that have propelled the “design-build-test-learn” cycle methodology forward in synthetic biology, as well as focusing on how machine-learning approaches can remove the bottlenecks in these pipelines [ 5 ].

While the potential of these technologies is vast, there are also concerns about their safety and ethical implications. Gene editing, in particular, raises ethical concerns, as it could be used to create so-called “designer babies” with specific traits or to enhance physical or mental capabilities. There are also concerns about the unintended consequences of gene editing, such as off-target effects that could cause unintended harm. These technologies can be improved by better understanding the interplay between editing tools and DNA repair pathways, and it will be essential for scientists and policymakers to be cautious and work together to establish guidelines and regulations for their use, as outlined at the recent International Summit on Human Genome Editing .

Basic research has also benefitted from biotechnological developments. For instance, methodological developments in super-resolution microscopy offer researchers the ability to image cells at exquisite detail and answer previously inaccessible research questions. Sequencing technologies such as Nanopore sequencers are revolutionising the ability to sequence long DNA/RNA reads in real time and in the field. Great strides have also been made in the development of analysis software for structural biology purposes, such as sub-tomogram averaging for cryo-EM [ 8 ]. The rate of scientific discovery is now at an unprecedented level in this age of big data as a result of these huge technological leaps.

The past few years has also seen the launch of AI tools such as ChatGPT. While these tools are increasingly being used to help write students homework or to improve the text of scientific papers, generative AI tools hold the potential to transform research and development in the biotechnology industry. The recently developed language model ProGen can generate and then predict function in protein sequences [ 9 ], and these models can also be used to find therapeutically relevant compounds for drug discovery. Protein structure prediction programs, such as AlphaFold [ 10 ] and RosettaFold, have revolutionized structural biology and can be used for a myriad of purposes. We have recently published several papers that have utilized AlphaFold models to develop methods that determine the structural context of post-translational modifications [ 11 ] and predict autophagy-related motifs in proteins [ 12 ].

The future of biotechnology is clearly very promising and we look forward to being part of the dissemination of these important new developments. Open access science sits at the core of our mission and the publication of these novel technologies in PLOS Biology can help their widespread adoption and ensure global access. As we look forward during this year of celebration, we are excited that biotechnology research will continue to grow and become a central part of the journal. The future is bright and the future is very much biotechnology.

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Role of plant biotechnology in enhancement of alkaloid production from cell culture system of Catharanthus roseus: A medicinal plant with potent anti-tumor properties

Induksi kalus daun binahong merah (basella rubra l.) dengan pe,berian 2,4-d dan kinetin.

Tanaman binahong merah (Basella rubra L.) merupakan salah satu tanaman yang mengandung senyawa metabolit sekunder berkhasiat obat. Kultur kalus adalah salah satu solusi dalam menghasilkan senyawa metabolit sekunder dengan jumlah yang besar.  Penelitian ini bertujuan untuk mengetahui pengaruh pemberian 2,4-D dan kinetin dalam menginduksi kalus daun binahong merah. Penelitian dilakukan di Laboratorium Bioteknologi Tanaman Fakultas Pertanian Universitas Riau pada bulan November 2019 sampai Maret 2020. Percobaan menggunakan rancangan acak kelompok yang terdiri dari dua faktor yaitu 2,4-D dengan empat taraf konsentrasi yaitu 0 ppm, 0,5 ppm, 1 ppm dan 2 ppm dan kinetin dengan empat taraf konsentrasi yaitu 0 ppm, 0,5 ppm, 1 ppm dan 2 ppm dengan tiga ulangan. Hasil penelitian menunjukkan bahwa kombinasi perlakuan tanpa 2,4-D dan 0,5 ppm kinetin memberikan respon terbaik pada saat muncul kalus 11,67 HST dan perlakuan 1 ppm 2,4-D dan 2 ppm kinetin memberikan respon terbaik pada persentase keberhasilan induksi kalus 62,50 %.  Red binahong (Basella rubra L.) is a plant that contains medicinal secondary metabolites.  Callus culture is one solution in producing secondary metabolites in large quantities. This research aimed to determine the effect of 2,4-D and kinetin in inducing callus on red binahong leaves. The research was conducted at the Laboratory of Plant Biotechnology, Faculty of Agriculture, the University of Riau from November 2019 to March 2020. The experiment used a randomized block design with two factors, namely four levels of 2,4-D 0, 0.5, 1, and 2 ppm and four levels of kinetin namely 0, 0.5, 1, and 2 ppm with three replications. The results showed that a combination of 0 ppm 2,4-D and 0.5 ppm kinetin and 1 ppm 2,4-D and 2 ppm had the fastest callus formation 11.67 DAP and a combination of 1 ppm 2,4-D and 2 ppm kinetin produced weigher callus 6.4 mg and had a percentage of callus formation 62.50%.

Highly Variable Dietary RNAi Sensitivity Among Coleoptera

Many herbivorous beetles (Order Coleoptera) contribute to serious losses in crop yields and forest trees, and plant biotechnology solutions are being developed with the hope of limiting these losses. Due to the unprecedented target-specificity of double-stranded RNA (dsRNA), and its utility in inducing RNA interference (RNAi) when consumed by target pest species, dsRNA-based plant biotechnology approaches represent the cutting edge of current pesticide research and development. We review dietary RNAi studies in coleopterans and discuss prospects and future directions regarding RNAi-based management of coleopteran plant pests. Herein, we also provide a balanced overview of existing studies in order to provide an accurate re-assessment of dietary RNAi sensitivity in coleopterans, despite the limitations to the existing body of scientific literature. We further discuss impediments to our understanding of RNAi sensitivity in this important insect order and identify critical future directions for research in this area, with an emphasis on using plant biotechnology approaches.

A plant-biotechnology approach for producing highly potent anti-HIV antibodies for antiretroviral therapy consideration

AbstractDespite a reduction in global HIV prevalence the development of a pipeline of new therapeutics or pre-exposure prophylaxis to control the HIV/AIDS epidemic are of high priority. Antibody-based therapies offer several advantages and have been shown to prevent HIV-infection. Plant-based production is efficient for several biologics, including antibodies. We provide a short review on the work by Singh et al., 2020 who demonstrated the transient production of potent CAP256-VRC26 broadly neutralizing antibodies. These antibodies have engineered posttranslational modifications, namely N-glycosylation in the fragment crystallizable region and O-sulfation of tyrosine residues in the complementary-determining region H3 loop. The glycoengineered Nicotiana benthamiana mutant (ΔXTFT) was used, with glycosylating structures lacking β1,2-xylose and/or α1,3-fucose residues, which is critical for enhanced effector activity. The CAP256-VRC26 antibody lineage targets the first and second variable region of the HIV-1 gp120 envelope glycoprotein. The high potency of this lineage is mediated by a protruding O-sulfated tyrosine in the CDR H3 loop. Nicotiana benthamiana lacks human tyrosyl protein sulfotransferase 1, the enzyme responsible for tyrosine O-sulfation. The transient coexpression of the CAP256-VRC26 antibodies with tyrosyl protein sulfotransferase 1 in planta had restored the efficacy of these antibodies through the incorporation of the O-sulfation modification. This approach demonstrates the strategic incorporation of posttranslational modifications in production systems, which may have not been previously considered. These plant-produced CAP256-VRC26 antibodies have therapeutic as well as topical and systemic pre-exposure prophylaxis potential in enabling the empowerment of young girls and women given that gender inequalities remain a major driver of the epidemic.

Peculiarities of the Transformation of Asteraceae Family Species: The Cases of Sunflower and Lettuce

The Asteraceae family is the largest and most diversified family of the Angiosperms, characterized by the presence of numerous clustered inflorescences, which have the appearance of a single compound flower. It is estimated that this family represents around 10% of all flowered species, with a great biodiversity, covering all environments on the planet, except Antarctica. Also, it includes economically important crops, such as lettuce, sunflower, and chrysanthemum; wild flowers; herbs, and several species that produce molecules with pharmacological properties. Nevertheless, the biotechnological improvement of this family is limited to a few species and their genetic transformation was achieved later than in other plant families. Lettuce (Lactuca sativa L.) is a model species in molecular biology and plant biotechnology that has easily adapted to tissue culture, with efficient shoot regeneration from different tissues, organs, cells, and protoplasts. Due to this plasticity, it was possible to obtain transgenic plants tolerant to biotic or abiotic stresses as well as for the production of commercially interesting molecules (molecular farming). These advances, together with the complete sequencing of lettuce genome allowed the rapid adoption of gene editing using the CRISPR system. On the other hand, sunflower (Helianthus annuus L.) is a species that for years was considered recalcitrant to in vitro culture. Although this difficulty was overcome and some publications were made on sunflower genetic transformation, until now there is no transgenic variety commercialized or authorized for cultivation. In this article, we review similarities (such as avoiding the utilization of the CaMV35S promoter in transformation vectors) and differences (such as transformation efficiency) in the state of the art of genetic transformation techniques performed in these two species.

Improved the Activity of Phosphite Dehydrogenase and its Application in Plant Biotechnology

Phosphorus (P) is a nonrenewable resource, which is one of the major challenges for sustainable agriculture. Although phosphite (Phi) can be absorbed by the plant cells through the Pi transporters, it cannot be metabolized by plant and unable to use as P fertilizers for crops. However, transgenic plants that overexpressed phosphite dehydrogenase (PtxD) from bacteria can utilize phosphite as the sole P source. In this study, we aimed to improve the catalytic efficiency of PtxD from Ralstonia sp.4506 (PtxDR4506), by directed evolution. Five mutations were generated by saturation mutagenesis at the 139th site of PtxD R4506 and showed higher catalytic efficiency than native PtxDR4506. The PtxDQ showed the highest catalytic efficiency (5.83-fold as compared to PtxDR4506) contributed by the 41.1% decrease in the Km and 2.5-fold increase in the kcat values. Overexpression of PtxDQ in Arabidopsis and rice showed increased efficiency of phosphite utilization and excellent development when phosphite was used as the primary source of P. High-efficiency PtxD transgenic plant is an essential prerequisite for future agricultural production using phosphite as P fertilizers.

Genomic Designing of Climate Smart Turmeric

Turmeric is highly tolerant to several climatic changes and can grow under high temperatures and moderate drought conditions. This herb is very much dependant on optimum rainfall, optimum heat with less chilling or freezing conditions. These conditions if are more than normal would tend to reduce the yields of the crops and also effect the productivity. To reduce such drastic yield losses certain conventional plant breeding methods were employed but were very less effective compared to plant biotechnology. To reduce these loses by stresses, extensive and effective molecular biology methods were employed which identifies the genes that are stress responsive along with certain methods like gene transfer, genetic engineering was also known to be effective. All these methods are quite helpful in mitigating the yield losses and promoting healthy growth in the plants. The maintenance of rhizome size, curcumin content, essential oils etc. is very much necessary for the turmeric crop because of its role, especially in the medical field. Therefore, the yield losses are reduced to a maximum extent so that development of smart turmeric is easy and crop designing is possible only with the advanced techniques involved in agriculture biotechnology.

Nanotechnology applications in plant tissue culture and molecular genetics: A holistic approach

: Nanotechnology is one of the most important modern sciences that has integrated all sectors of science. Nanotechnology has been applied in the agricultural sector in the last ten years in pursuit of increasing agricultural production and ensuring food security. Plant biotechnology is an essential science that is concerned with plant production. The use of nanotechnology in plant biotechnology under controlled conditions has facilitated the understanding of important internal mechanisms of the plant biological system. The application of nanoparticles (NPs) in plant biotechnology has demonstrated an interesting impact on in vitro plant growth and development. This includes the positive effect of the NPs on micropropagation, callus induction, somatic embryogenesis, cell suspension culture, and plant disinfection. In addition, other biotechnology processes, including the genetic transformation of plants, plant conservation, and secondary metabolite production have improved by the use of NPs. Furthermore, nanotechnology is used to improve plant tolerance to different stress conditions that limit plant production. In this review article, we attempt to consolidate the achievements of nanotechnology and plant biotechnology and discuss advances in the applications of nanotechnology in plant biotechnology. It has been concluded that more research is needed to understand the mechanism of nanoparticle delivery and translocation in plants in order to avoid any future hazardous effects of nanomaterials. This will be key to the achievement of magnificent progress in plant nanobiotechnology.

High-efficiency retron-mediated single-stranded DNA production in plants

ABSTRACT Background: Retrons are a class of retroelements that produce multicopy single-stranded DNA (msDNA) and participate in anti-phage defenses in bacteria. Retrons have been harnessed for the over-production of single-stranded DNA (ssDNA), genome engineering, and directed evolution in bacteria, yeast, and mammalian cells. However, no studies have shown retron-mediated ssDNA production in plants, which could unlock potential applications in plant biotechnology. For example, ssDNA can be used as a template for homology-directed repair (HDR) in several organisms. However, current gene editing technologies rely on the physical delivery of synthetic ssDNA, which limits their applications. Main methods and major results: Here, we demonstrated retron-mediated over-production of ssDNA in Nicotiana benthamiana. Additionally, we tested different retron architectures for improved ssDNA production and identified a new retron architecture that resulted in greater ssDNA abundance. Furthermore, co-expression of the gene encoding the ssDNA-protecting protein VirE2 from Agrobacterium tumefaciens with the retron systems resulted in a 10.7-fold increase in ssDNA production in vivo. We also demonstrated CRISPR-retron-coupled ssDNA over-production and targeted HDR in N. benthamiana. Conclusion: We present an efficient approach for in vivo ssDNA production in plants, which can be harnessed for biotechnological applications.

Transcriptomic Changes in Internode Explants of Stinging Nettle during Callogenesis

Callogenesis, the process during which explants derived from differentiated plant tissues are subjected to a trans-differentiation step characterized by the proliferation of a mass of cells, is fundamental to indirect organogenesis and the establishment of cell suspension cultures. Therefore, understanding how callogenesis takes place is helpful to plant tissue culture, as well as to plant biotechnology and bioprocess engineering. The common herbaceous plant stinging nettle (Urtica dioica L.) is a species producing cellulosic fibres (the bast fibres) and a whole array of phytochemicals for pharmacological, nutraceutical and cosmeceutical use. Thus, it is of interest as a potential multi-purpose plant. In this study, callogenesis in internode explants of a nettle fibre clone (clone 13) was studied using RNA-Seq to understand which gene ontologies predominate at different time points. Callogenesis was induced with the plant growth regulators α-napthaleneacetic acid (NAA) and 6-benzyl aminopurine (BAP) after having determined their optimal concentrations. The process was studied over a period of 34 days, a time point at which a well-visible callus mass developed on the explants. The bioinformatic analysis of the transcriptomic dataset revealed specific gene ontologies characterizing each of the four time points investigated (0, 1, 10 and 34 days). The results show that, while the advanced stage of callogenesis is characterized by the iron deficiency response triggered by the high levels of reactive oxygen species accumulated by the proliferating cell mass, the intermediate and early phases are dominated by ontologies related to the immune response and cell wall loosening, respectively.

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Biotechnology: Food and Bioresources

An introduction to the physical characteristics and processing of foods and biological materials, biotechnology and bioproducts. This paper has a compulsory laboratory component.

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