Articles tagged with Transgenic Plants
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A team of plant biotechnologists at Texas Tech University has developed a groundbreaking method to accelerate crop creation, bypassing the time-consuming process of tissue culture. The new technique enables plants to grow new shoots directly from wounded tissue, eliminating the need for traditional lab-based regeneration steps.
Researchers found that Agrobacterium's virulence is more effective in its natural two-chromosome state, but it grows faster and handles stress better when fused into a single chromosome. This study opens the door for optimizing its use as a crop improvement tool or devising new ways to protect crops vulnerable to crown galls.
Researchers have discovered a way to regulate starch storage in algae using blue light-activated signalling pathways. This method has the potential to increase starch production in biofuels, improve nutritional value of agricultural feed supplements, and capture more carbon dioxide, reducing greenhouse gases.
A new method using free software and a drone with a low-cost camera has been developed to select drought-tolerant corn plants. The approach allows for optimized data collection, faster processing, and reduced costs compared to conventional methods.
A team from the University of Illinois found that traditional breeding methods are unlikely to improve soybean light-harvesting efficiency. Gene editing is likely needed to unlock soybean potential. The researchers gathered detailed measurements throughout an entire growing season to understand photoprotection relaxation in soybeans.
Researchers discovered the role of PtrPAT1 in boosting cold tolerance in citrus plants by regulating glycine betaine accumulation. The study opens the door to developing cold-resistant citrus varieties, vital for global citrus production in the face of climate change.
Three Texas A&M biologists have received NIH Maximizing Investigators’ Research Awards to support their research on type IV pili, darter fish social behaviors and bacteriophages. Drs Koch, Moran and Ramsey will explore bacterial behavior, genetic mechanisms and neural basis of paternal care in fish.
A genetic study of the beaked hazelnut reveals that ancient Indigenous peoples cultivated and traded this plant across British Columbia. The research challenges settler-colonial narratives by establishing a large-scale cultivation network dating back 7,000 years.
A team from the University of Illinois has engineered a potato crop that can thrive in elevated temperatures, resulting in a 30% increase in tuber mass under heatwave conditions. This adaptation aims to improve food security for families dependent on potatoes, which are often affected by changing climate conditions.
Researchers propose a method called electro-agriculture that can produce food without sunlight, reducing the need for agricultural fields by 94%. The method uses a solar-powered chemical reaction to convert CO2 into acetate, which is then used by genetically engineered plants to produce energy and carbon.
Researchers at North Carolina State University identify molecular property of lignin that determines ease of using microbial fermentation to turn trees into industrial chemicals. The discovery could lead to more sustainable alternatives to petroleum-based chemicals.
Researchers discovered GAME15, a crucial protein for controlling steroidal glycoalkaloids and saponin production in Solanum plants. The study also showed that steroidal saponins play an ecological role in insect defense, with GAME15 knockout plants being more susceptible to herbivores.
A century-old experiment has pinpointed the genes behind barley's adaptability, enabling its continued survival in rapidly changing environments. Researchers identified key genes that enable flowering at optimal times, allowing crops to thrive despite increased temperatures and droughts.
The study reveals that light-sensitive channels can be used to target specific ion signals in plants, allowing for the comparison of different signaling pathways. This breakthrough enables researchers to investigate plant stress responses in greater detail.
High nighttime temperatures accelerate leaf senescence, disrupt cellular membranes, and increase respiration rates in plants. Understanding the key metabolic pathways and molecular mechanisms involved is crucial for developing genetic modifications, breeding strategies, and management practices to enhance plant resilience.
Researchers discovered that strigolactones, previously only associated with plant development, directly influence flowering and fruiting in tomatoes. By regulating the microRNA319 pathway and gibberellin levels, strigolactones promote faster and better flowering, leading to increased yields.
Researchers explored the use of bioactive glucosinolates to advance sustainable agriculture, highlighting their role in stress tolerance and health benefits. Future research aims to optimize GSL production using CRISPR/Cas9 for healthier, stress-tolerant Brassica crops.
Non-flowering bryophytes, including mosses, have sophisticated immune receptor repertoires that can be transferred between flowering and non-flowering plants. This discovery offers a new source of resistance genes against pathogens for major crops facing climate change threats.
Researchers have successfully engineered plants to produce a diverse array of human milk oligosaccharides, also called human milk sugars. These complex sugars are found in breast milk and help prevent disease and support healthy gut bacteria, but are difficult to manufacture using traditional methods.
Scientists at Boyce Thompson Institute have developed a method to enhance Rubisco production in maize, increasing carbon assimilation and boosting plant height. The transgenic plants also showed improved resilience to chilling stress, maintaining higher photosynthetic rates during cold exposure.
A new study found that genetically engineered canola plants with pesticide resistance are persisting in roadside populations, but may be losing their engineered genes. Almost a quarter of the feral plants were found to not contain transgenes.
Researchers at Chiba University have developed a novel method for plant regeneration that modulates gene expression to control cell differentiation. The approach uses transcription factor genes to induce cellular differentiation in tobacco, lettuce, and petunia tissue cultures without the need for external phytohormones.
Researchers have discovered the gene responsible for producing a unique type of chlorophyll in marine algae. This breakthrough could lead to improved crop yields on less land, making it a key step towards achieving a more sustainable food supply. The study also demonstrated that a land plant can produce this specific type of chlorophyll.
Researchers at the University of Zurich have discovered a signal that activates the female gamete in thale cress, a model plant species. This breakthrough could lead to the development of apomixis, a form of asexual reproduction that would allow crop plants to be propagated more easily and efficiently.
A study by Brazilian researchers reveals that bixin, a carotenoid pigment extracted from annatto tree seeds, is also present in other organs. Genetic analysis and modifications found increased production of the pigment in the adult phase and linked to stress-related hormone abscisic acid.
Scientists at Brookhaven Lab demonstrate new genetic strategy to boost plant oil content by protecting the oil-protector protein, resulting in 54% more oil accumulation in leaves and 13% more in seeds. This approach can increase biomass energy content and provide sustainable fuels.
Plants use their circadian clocks to regulate responses to changes in water and salinity levels, offering a new avenue for creating drought-resistant crops. The discovery of the ABF3 feedback loop reveals a delicate balance between boosting stress tolerance and maximizing growth and yield.
Scientists have created genetically modified bioluminescent petunias that emit an ethereal glow, making them up to 100 times brighter than previous plants. The new research builds on earlier discoveries and shows the genetic modifications also elevate luminescence in yeast and mammalian cells.
A recent study by Tokyo University of Science researchers has uncovered the mechanisms by which plants regulate the production of reactive oxygen species (ROS). The findings, published in Physiologia Plantarum, reveal that ROS-generating enzymes are activated through two conserved mechanisms involving calcium ions and phosphorylation, ...
A new study introduces the Slash Pine Shoot Counting Network (SPSC-net) using a feature pyramid module for accurate new shoot detection in slash pines. SPSC-net outperforms other models like YOLOX and Efficientnet, achieving the lowest MSE and MAE in density regression.
A recent study in Nature Communications has identified a gene cluster in wheat that produces triticein, an isoflavone compound with potential health benefits. This discovery offers opportunities for metabolic engineering efforts to improve wheat's nutritional quality and resistance to disease.
Researchers successfully produced alstonine, a naturally occurring substance with potential for treating mental disorders, using genetically engineered yeast cells. The yeast platform has the potential to discover and develop plant-based medicines, including those for schizophrenia.
Researchers found changes in microglial cells, a specialized subset of immune cells, that may worsen schizophrenia risk in adolescents. The study, published in Nature Communications, suggests that THC exposure during adolescence can lead to long-lasting negative effects on brain development and function.
A new transgenic maize population shows high glyphosate resistance after co-expression of the GAT and GR79-EPSPS genes. The resulting event, GG2, demonstrates low glyphosate residues and improved agronomic traits.
Researchers found that genetically modified tobacco mutants, impaired in their defenses, outperformed wild-type plants in years with low herbivore pressure. The mutants' prioritization of growth and reproduction over defense allowed them to thrive in environments with limited insect damage.
A new technology called PHYTOMap allows researchers to study dozens of genes simultaneously without genetic manipulation, providing insights into plant responses to climate change. The method has the potential to improve crop resiliency and inform agriculture optimization.
Scientists have genetically modified potatoes and tomatoes to produce betacyanin, a pigment with anti-inflammatory properties. The transgenic vegetables demonstrated enhanced accumulation of the pigment, which showed improved effects in reducing inflammation in macrophage-like cells and murine models of colitis.
Scientists have identified two-million-year-old DNA fragments in northern Greenland's Ice Age sediment, providing insights into the past ecosystem and its potential to predict climate change. The discovery has sparked hopes that it could help academics build a picture of the DNA evolution of species still in existence today.
MU researchers, including Jay J. Thelen and Dong Xu, are exploring genetic modification to increase seed oil production in camelina and pennycress for biofuel use in the aviation industry. The team aims to create a sustainable 'green energy' source as an alternative to petroleum-based fossil fuels.
Scientists at NTU Singapore have successfully modified a plant protein to increase vegetable oil yield. By improving the binding affinity of WRI1, the team was able to enhance oil accumulation in seeds by 15-18% under laboratory conditions.
Engineered duckweed produces up to 10% oil content, a 100-fold increase over wild-type plants, with synergistic effects seen when combining gene modifications. The oil-rich plant can be easily harvested for biofuels or bioproducts, reducing competition with food crops and environmental waste.
Researchers discovered a genetic mechanism that lowers cadmium accumulation in rice without affecting its quality and yield. The duplicated OsNramp5 gene increases the uptake of manganese, competing with cadmium for translocation to shoots, reducing its accumulation.
A new study has identified genomic modifications in the transgenic papaya 'SunUp', which was developed to resist the papaya ringspot virus. The researchers used advanced sequencing technologies to read long stretches of DNA and found that the insertion did not cause any change in gene expression.
Researchers from ANU increased CO2 channels in tobacco plants to enhance photosynthesis, but found no significant impact. The study used computer modeling to predict how changes would affect mesophyll conductance.
A new special issue of Applications in Plant Sciences explores techniques for studying gametophytes, essential for understanding biodiversity and conservation. The study reveals the complexity of gametophyte biology, including their limited size and invisibility in some plants.
Researchers discovered that moss cells can form mobile spindles during mitosis, moving like animal cells. This unusual process suggests a tug-of-war between microtubules and actin filaments to position the spindle, similar to animal cells.
Researchers create transgenic lettuce that expresses a bone-stimulating hormone, which could help prevent osteopenia in astronauts and resource-limited areas on Earth. The lettuce would need to be consumed daily by astronauts to get a sufficient dose of the hormone.
Researchers at UC Davis have developed genetically modified lettuce producing a drug to protect against bone density loss in microgravity. The transgenic lettuce combines parathyroid hormone with an antibody protein, allowing for stable production and potential self-administration by astronauts.
Researchers have found that altering carotenoid metabolism in tomato plants increases fruit yield by up to 77% and enhances nutritional content. The modified plants also show improved tolerance to abiotic stresses like drought and salinity.
Researchers at RIKEN CSRS have developed a non-transgenic method to modify plant genes using a bioactive molecule spray, which can be used to improve crop yield and resistance to pests. The technique has shown promising results in improving economically desirable quality traits in crops.
Researchers from Hokkaido University have proposed a framework to clarify the distinction between genetically modified organisms (GMOs) and genome-edited organisms (GEOs). The framework considers scientific, ethical, and social factors to determine whether an organism is a GMO or GEO. The proposal aims to enhance regulatory reliability...
Researchers have created a new approach to edit genes within specific bacteria in a community using CRISPR-Cas9, enabling targeted genetic modifications. This technology could be used to track edited microbes and potentially treat diseases like digestive issues or create more resilient crops.
Researchers at Washington University in St. Louis are developing a framework to understand how herbicides interact and drift onto unintended plants, affecting crops and the environment. The study found that genetically modified crop introduction influences herbicide use rates and practices, leading to increased drift.
Researchers at RIKEN have developed a healthier form of tapioca starch by suppressing multiple genes that increase its resistance to digestion. The resulting starch is composed of longer chains with fewer branches, making it harder to digest and potentially improving intestinal function and blood sugar control.
Researchers have developed genetically modified plants that can produce and release insect sex pheromones to combat herbaceous plant pests. These plants, called pheromone biofactories, can create sexual confusion in pest males, reducing population growth and pest control needs.
Scientists discover that small RNAs recruit RNA Polymerase V to initiate DNA methylation, enabling crop breeders to avoid silencing from the start. This finding has substantial implications for reducing the cost and effort of producing transgenic crops.
Researchers discovered that bacteria enter corn plants through natural openings at the leaf's edge, causing Goss's wilt. High concentrations of bacteria lead to freckles and disease symptoms.
A team of scientists at Brookhaven National Laboratory has identified a key component of the assembly line responsible for oil droplet formation. The study suggests new ways to engineer plant tissues for increased oil accumulation, which could lead to sustainable oils for biofuels and other commodity products.
A recent study explores the plant immune system using chimeric maize leaves with an auto-active R protein. Researchers found that Rp1-D21 triggers a defense response without recognition events, leading to cell death in affected areas but not neighboring cells.
A team of scientists led by Assistant Professor Lae-Hyeon Cho identified a single mutation in the gene that codes for cytidine triphosphate synthase (CTPS), an enzyme crucial for early endosperm development. The study showed that overexpressing CTPS in genetically modified rice plants results in a larger endosperm, opening up opportuni...