Articles tagged with Plant Genetics
Legume plants have a unique ability to interact with nitrogen-fixing bacteria, allowing them to thrive without external nitrogen. Researchers identified four essential phosphorylation sites on the SYMRK kinase that mediate this symbiotic relationship.
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.
Researchers have identified genes regulating biomass allocation in response to canopy shade and plant size in wheat. This study provides new insights into the genetic determinants of investment strategies in crops under resource constraints.
A team of researchers from Nara Institute of Science and Technology discovered a phytohormone-mediated switch controlling autophagy, leading to terminal cell differentiation for petal abscission. They found that jasmonic acid promotes petal abscission by activating autophagy at the base of petals.
A breakthrough in DNA sequencing technology has identified the fungus genus Ceratobasidium as the culprit behind cassava witches' broom disease. This discovery will help plant pathologists in Laos and other Southeast Asian countries protect their crops, supporting millions of smallholder farmers who rely on cassava.
A team of University of Copenhagen researchers has created a large reference catalogue of plant cell wall compositions from 287 species, representing the entire plant kingdom. The study reveals that carbohydrate composition is more closely related to a plant's family history than its habitat and growth form.
Researchers used CRISPR to modify a tomato gene, resulting in reduced water consumption without affecting crop quality. The discovery holds implications for basic scientific knowledge and could help increase plant yields in dry conditions.
A study published in Current Biology reveals that complex green organisms, including land plants and algae, evolved multicellularity almost a billion years ago. Researchers used gene sequencing data to pinpoint the emergence of this trait in filamentous algal lineages.
The study reveals significant differences in the nucleolus organizing region (NOR) of the two species, which has major implications for blight-resistance in American chestnut restoration. Researchers used fluorescent in situ hybridization to analyze the NOR region and found unique DNA arrangements.
Research reveals a single major gene controlling resistance to S-metolachlor in the Stanford, Illinois resistant population of waterhemp. This finding is significant due to the difficulty in studying weed resistance to soil-applied herbicides.
A team of researchers has decoded the genetic diversity of nine species of wild North American grapes, revealing critical traits that could accelerate grape breeding efforts. The research identifies key genes responsible for important traits such as salt tolerance, drought resistance, and defense against Pierce's disease.
Researchers at Oregon State University have sequenced the chia genome, identifying genes associated with improving nutrition and human health. The study found 29 genes involved in polyunsaturated fatty acid biosynthesis and 93 genes that aid gel-forming properties of chia seeds.
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.
Scientists at Okayama University have identified a membrane transporter, SIET4, in rice leaves that facilitates the localization of silicon. This discovery reveals intricate processes involved in Si deposition, enabling plants to accumulate high levels of silicon and survive environmental stresses.
Researchers at the University of Illinois have identified a single major gene controlling waterhemp's resistance to S-metolachlor, a widely used soil-applied herbicide. This finding poses a significant challenge for farmers, as it increases the risk of spread and limits effective weed management options.
Researchers found that cold temperatures increase glucosinolate levels in some kale varieties, while others decrease it. This affects the nutritional value of the plant, with curly kale and Lacinato kale showing different responses to temperature.
A recent study has provided significant genomic insight into tar spot of corn, a destructive disease causing $1.2 billion in yield loss. The researchers identified over 100 novel effectors that play a crucial role during infection, warranting further investigation.
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.
Researchers found that certain combinations of gene mutations resulted in predictable effects on tomato size, while others yielded random outcomes. The study suggests the role of background mutations demands reassessment for genome editing applications. This new interpretation may help humanity adapt crops to meet evolving societal needs.
X- and y-type thioredoxins play a crucial role in maintaining the redox balance of photosynthesis during fluctuating light conditions. The study found that these proteins facilitate electron transport through the electron transport chain, preventing photoinhibition and promoting plant growth.
A team of researchers led by Karen Sanguinet identified a plant gene called 'BUZZ' that drives the growth of root hairs, helping plants find water and nutrients. The gene also plays a role in nitrate uptake and signaling, which could lead to more sustainable crop production.
Researchers sequenced genomes of key cultivated and wild pepper species to identify genes associated with critical traits like fruit shape, flavor, and stress responses. The study provides valuable genomic resources for future functional studies and breeding efforts.
Researchers found that plant-to-plant interactions can modulate disease susceptibility in both wheat and rice, with 23 same-species mixtures showing a significant effect. This phenomenon, known as Neighbor-Modulated Susceptibility, may be used to design varietal mixtures with embedded crop protection.
Researchers have discovered a gene, B5, in Egyptian cotton that confers powerful resistance to bacterial blight. The gene enables strong resistance to the disease under Oklahoma field conditions and accumulates high amounts of defense chemicals.
Researchers sequenced einkorn wheat's genome, tracing its evolutionary history and identifying resilient properties that can be reintroduced into modern bread wheat. The study's findings provide insight into human migration and settlement, as well as potential solutions to protect the world's food supply.
Genome analysis reveals that hulled and naked oat varieties were domesticated independently around 51,000 years ago. The study found higher genetic diversity in naked oat compared to hulled oat, contradicting the long-held assumption of a recent mutation.
Scientists discover reduced genetic diversity and compromised skeletal properties among 'super corals' adapted to mangrove lagoons. The study challenges existing notions surrounding the resilience of these resilient corals, highlighting potential risks for future environmental stressors.
Researchers created a five-part checklist to identify native and invasive common reed populations based on observable traits like stem color and fungal spots. The tool helps land managers target invasive reeds while protecting native plants.
Researchers found that competition between beneficial bacterial strains degrades the service they provide to plants, resulting in smaller benefits. The study used native California plant and eight compatible nitrogen-fixing bacterial strains to directly measure their ability to infect plants and provide benefits.
Researchers at Nara Institute of Science and Technology identified the WOX13 gene as a key negative regulator of shoot regeneration in plants. The study found that WOX13 inhibits a subset of shoot meristem regulators while directly activating cell wall modifier genes involved in cell expansion and differentiation.
A study of maize hybrid varieties over 81 years found that while maize's tolerance to moderate heat stress has improved, its tolerance to severe heat stress has decreased. This shift in tolerance could have significant implications for climate change's impact on agriculture.
Researchers at Stanford University found that plant cells also use the cytoskeleton, but push it away from specific regions. This finding could help engineer plants more adaptable to changing environments.
A new machine learning algorithm analyzed high-resolution digital images of herbarium specimens, revealing that factors other than climate have a strong effect on leaf size within a plant species. The study also demonstrates how AI can be used to transform static specimen collections and quickly document climate change effects.
Researchers found evidence for a modifier gene in sand cress that can lead to loss of self-incompatibility and acquisition of self-pollination. The study challenges current understanding of this process and opens up new avenues for research on plant breeding systems.
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.
The American Phytopathological Society published a special issue on key discoveries in plant pathology, highlighting groundbreaking findings over the past 50 years. These discoveries have significantly impacted plant health, food security, and food safety worldwide.
Researchers at the University of Nebraska-Lincoln have identified new genes that regulate the surge protector in plants, which can help increase photosynthesis efficiency and boost corn yields. The discovery could lead to breeding plants better equipped to capitalize on yield-boosting sunlight.
A study reveals a unique epigenetic biotimer mechanism controlling floral meristem termination and stamen development in Arabidopsis thaliana. The team discovered that AGAMOUS serves as a master conductor orchestrating gene expression through cell cycle-coupled H3K27me3 dilution.
Researchers at Aarhus University discover how the SUC transporter recognizes sucrose and uses acid to power its sugar delivery. This breakthrough sheds light on how plants defend themselves from pests and could lead to new ways of protecting plants from harmful bugs.
Researchers propose that 'lager yeast' S. pastorianus originated from a contamination event involving S. cerevisiae at the Duke's court brewery in Munich in 1602. The new findings suggest that lagers likely first emerged in Bavaria at least two hundred years earlier than previously thought.
Research at University of York and Tel Aviv University uncovers white grape variety, potentially oldest documented globally, hinting at sweet white wine's history in desert conditions. Genetic analysis links ancient seeds to modern varieties still grown around Mediterranean today.
Scientists found a common plasminogen-apple-nematode domain in plants like poplar and willow that is also present in the human NRP1 receptor protein, which holds promise as a future therapeutic target for COVID-19 treatment. Mutating amino acids in this domain disrupted the virus's ability to invade cells.
Scientists at Tohoku University identified regulatory mechanisms in plants that utilize nitrogenous fertilizers, suggesting potential ways to generate crops with reduced fertilizer needs. The study focused on thale cress and aims to apply its findings to major crop plants like rice and cereals.
Researchers at Tohoku University discovered that the KAI2-ligand hormone initiates and terminates asexual reproduction in liverwort plants based on environmental factors. The team found that gemma formation starts from the inner region of the gemma cup and moves out to the periphery.
Researchers at Oak Ridge National Laboratory identified specific proteins that regulate plant-microbe signaling, enabling plants to distinguish beneficial microbes from disease-causing ones. This breakthrough could accelerate gene function identification and improve crop performance in sustainable bioenergy crops.
Researchers have discovered the critical role of linker histone protein H1 in plant immune responses to bacterial and fungal infections. The study found that mutant plants with knocked-out H1 isoforms exhibited higher defense gene expression and resistance to infection, but lacked priming ability.
The giant faba bean genome has been successfully sequenced, offering insights into its traits such as drought tolerance and protein content. This breakthrough has the potential to improve crop yields and reduce reliance on artificial fertilizers, making faba bean a more attractive crop for sustainable agriculture.
Researchers have uncovered the ancient roots of a gene in wheat that provides resistance to the devastating Wheat Yellow Mosaic Virus, which causes significant economic losses. The discovery could lead to more resistant wheat cultivars, increased crop yields, and reduced use of harmful fungicides.
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 at Max Planck Institute discovered that paternal chloroplasts can be transmitted to offspring under cold conditions, allowing for selective breeding of traits from genetic material. This finding may enable plant breeders to use chloroplast genes in new ways.
A study by the University of Tsukuba found that Siebold's beech populations on Okushiri Island have high genetic diversity, suggesting they may have persisted there since before the last glacial maximum. This challenges the assumption that island populations are less genetically diverse due to geographical isolation.
The CABBI team successfully demonstrated precision gene editing in miscanthus, a promising perennial crop for sustainable bioenergy production. The results will accelerate efforts to tap the huge potential of this highly productive but genetically complex grass as a source for biofuels, renewable bioproducts, and carbon sequestration.
A team has achieved a clonal efficiency of 95%, allowing the mass production of hybrid seeds and enabling farmers to save and replant rice from season to season. This breakthrough could help meet global food demands sustainably.
A new species of mycoheterotrophic plant has been identified in Japan, characterized by its rosy pink petals and stems. The discovery sheds light on the evolution and biodiversity of this unique genus of plants.
Researchers discovered a species of grass, seashore paspalum, that can tolerate diverse stresses and aid in crop development. The study revealed the plant responds to nutrient deprivation by doubling its production of a sugary molecule called trehalose, which helped corn seedlings grow faster and larger without added nutrients.
A study by researchers at Boyce Thompson Institute has identified genes that can help plant breeders develop fruit crops that can adapt to drought conditions. The research found that water stress triggers physiological disorders and fruit loss, but also has positive effects such as increasing lycopene levels in ripe fruit.
Scientists have discovered that plants can rapidly adapt to environmental changes and pass on these adaptations to future generations through epigenetics. Plants use somatic memory to recognize previous environmental conditions and react promptly in the face of similar challenges.
A team of researchers from Martin-Luther-University Halle-Wittenberg has discovered a transport pathway for manganese in plants and the role that BICAT3 plays in this process. The protein is responsible for transporting manganese to where it needs to go in plant cells, leading to improved crop growth.
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.