Articles tagged with Plant Genetics
New research contradicts past findings on plant recovery from drought, revealing that sunflowers cannot fully recover from drought. A study by Colorado State University found that gas bubble blockages in sunflowers' water-transporting tissues do not reverse after watering, despite appearing to recover remarkably well from drought.
Researchers have identified a genetic mechanism that coordinates flower development and fruit formation in tomato plants, enabling them to produce fruit more reliably during challenging growing conditions. The discovery could lead to the development of seedless tomatoes with improved yield and quality.
A research team has discovered a fungal protein responsible for defoliation caused by Verticillium dahliae, leading to significant crop losses. The findings can contribute to the development of novel methods for controlling plant diseases through improved detection and genetic modification of resistant plants.
Researchers have successfully engineered plants to produce myoglobin, an important component of animal muscle, using a gene gun to insert the genes into chloroplasts. The yield was approximately three times higher than when inserted into the nuclear genome, paving the way for plant-grown meat production.
The University of Illinois Oat Breeding Program has achieved significant gains in yield and test weight over 18 years, despite environmental challenges. The program's success highlights the importance of public breeding programs in sustaining crop improvements.
Scientists at NYU have identified a key regulator controlling nitrogen use in plants, which can be harnessed to develop 'gluttonous' plant varieties that absorb more nitrogen from the soil. This discovery could lead to reduced fertilizer application and lower greenhouse gas emissions.
A new study reveals that avocado trees alternate between male and female flowers based on a single gene that evolved about 42 million years ago. This genetic mechanism helps prevent self-pollination and inbreeding, allowing avocado breeders to sort seedlings more efficiently.
Researchers at UC Riverside identified a genetic marker that controls avocado tree flowering patterns, allowing breeders to determine flower type long before it blooms. This discovery could revolutionize avocado breeding by making decisions faster and more efficient, with potential benefits for high-quality fruit production.
Wild plants offer valuable insights into adapting to disease, with research showing how plants evolve defenses against pathogens. This knowledge can inform more effective management of crop diseases, contributing to a better understanding of disease ecology and environmental threats.
A recent study found that wild snapdragons use subtle shades to attract bees, with four paintbrush genes working together to create a gradient of yellow. The strength of natural selection on each gene was estimated using a hybrid zone where two varieties meet, revealing the intricate mechanisms behind molecular gradients.
Researchers at the University of Michigan found that pollinators are driving plant adaptation in morning glories, leading to a steep decline in their ability to adapt to changing climate conditions. The study suggests that human activities such as pesticide use and habitat destruction have contributed to this decline.
Researchers at the Weizmann Institute of Science have successfully engineered a model plant to produce five psychedelic substances, including DMT and psilocybin, by identifying key genes and enzymes responsible for their production. The plant's ability to simultaneously produce multiple psychedelics has implications for treating mental...
Scientists have grown wheat containing super-sized starch granules, which could lead to healthier pasta and bread. The discovery has potential applications in various industries, including flour milling, paper making, and pharmaceuticals.
Researchers have discovered a previously unknown mechanism by which microbes boost plants' ability to survive in salty conditions. Pseudomonad bacteria stimulate the production of lignin, a tough substance found in plant cell walls, helping plants withstand environmental stress.
Researchers sequenced nearly 400 wild and domesticated cotton plants to confirm the Northwestern Yucatán Peninsula as the center of upland cotton's domestication. The study reveals valuable genetic diversity in wild cotton populations that can improve breeding efforts and make modern cotton more resilient.
Scientists have identified the Yucatan Peninsula as the origin of modern cotton, tracing back its lineage to a diverse population native to Mexico. The study reveals that domestication led to a genetic bottleneck, narrowing the gene pool in successive generations.
Researchers found a unique protein called YAF9B that helps plants protect their stem cells from DNA damage. This discovery sheds light on how plants coordinate DNA repair processes, which could improve future crops by guiding more precise genome editing.
Researchers identify previously unknown protein RAK1, crucial for three-dimensional growth and division in moss, a step towards understanding plant colonization of land. The study provides new insight into fundamental mechanisms underlying plant growth and evolution.
Healthy plants release chemical signals called VOCs that inform neighboring plants about competitive pressure, triggering adjustments in growth and defense strategies. Genetic analysis reveals shifts in biomass linked to changes in stress-response and cellular transport genes.
Researchers have created a gene expression map of seed development in Arabidopsis thaliana, revealing the role of specific genes and cell types in shaping seed traits. The study identifies key regions where hormones regulate growth and nutrient storage, providing insights into how seeds develop and can be improved for crop productivity.
New research reveals gray mold's unique approach to attacking plants, sensing chemical defenses and flavors to adjust its attack accordingly. This understanding could shift disease prevention strategies, allowing for more effective use of genetic or chemical countermeasures.
The University of Cologne's researchers will continue to work on innovative treatments for lymph node cancer and study plant responses to environmental changes. The Collaborative Research Centres have received a total of approximately €39 million in funding, highlighting the university's strength in collaborative research.
Researchers identify glycosyltransferase genes that influence stevia's sweet compounds, leading to cleaner taste profiles. Cell-type-specific gene activity may be the reason for limited accumulation of desirable sweet molecules.
Researchers at UC Davis have found over 250 new genetically distinct variants of peppermint through gamma radiation-induced mutations. These variants can be used to identify key genes for breeding or selecting new varieties with improved disease resistance.
Researchers found that genome duplications during major environmental upheavals helped plants survive mass extinctions and extreme conditions. The study suggests that polyploidy, or having multiple sets of chromosomes, can be beneficial for plants in stressful environments.
Novin AgriTech received an $174,906 USD grant from the US Department of Agriculture to develop nitrogen use efficiency trait in elite wheat cultivars. The company's platform technology will introduce genetic tools to improve nitrogen use efficiency.
A comprehensive watermelon super-pangenome has been established to understand genotypic differences contributing to phenotypic variation in watermelon. This resource integrates 138 genomes from wild and cultivated watermelons, revealing evolutionary relationships and genomic prediction capabilities.
A study on the phylogeography of Burmannia nepalensis, a rare mycoheterotrophic herb in subtropical China, found that historical climate fluctuations and geographic isolation shaped its evolutionary history. The research reveals limited gene flow due to mountain barriers and fragmented habitats.
A new study uses CRISPR technology to edit grapevine DNA, reducing vulnerability to downy mildew while improving water conservation. This breakthrough could lead to climate-resilient crops in Africa, addressing growing challenges in viticulture.
Researchers discovered a combination of Ty-1/Ty-3 and Ty-6 resistance genes in tomato plants provides highly robust protection against begomoviruses. Integration of fewer resistance genes than expected can enhance resistance, offering a promising approach for improving tomato varieties while balancing productivity and fruit quality.
A recent study elucidated the molecular mechanism by which Fd1 and FNR1 enhance rice thermotolerant yield stability. The research found that overexpression of these genes stabilizes photosynthesis, reduces ROS accumulation, and protects pollen viability.
Using new genetic markers, fruit breeders can predict flower sex type and seedlessness in muscadines and other grapes with high accuracy. The approach will save time and resources in developing new grape varieties, including the major challenge of creating flavorful seedless muscadines on self-pollinating vines.
Researchers analyzed 48 isolates of P. griseola and found a potential symbiotic relationship between the fungus and endophytic bacterium Achromobacter xylosoxidans, influencing disease severity. The study sheds light on how the pathogen evolves and may point to new strategies for breeding disease-resistant crops.
Researchers tracked genetic changes in Arabidopsis thaliana across 30 sites over five years, finding most populations adapted to local environmental conditions. However, some populations went extinct due to genetic drift, highlighting the importance of preserving biodiversity.
A team of scientists has discovered a gene switch in the leaf succulent Kalanchoë laxiflora that enables it to conserve water during dry conditions. This discovery could lead to the development of drought-tolerant crops with improved water efficiency, contributing to global food security.
Researchers sequenced the Great Basin bristlecone pine genome, revealing genes associated with disease resistance and longer telomeres, potentially holding clues for understanding longevity in other species. The study provides a reference genome sequence that can be used to inform modern genetic discovery.
Salk Institute scientists created a high-resolution atlas showing how droughts affect plant cells. They identified a gene, Ferric Reduction Oxidase 6 (FRO6), that could be targeted to create more resilient crops. FRO6 expression in mesophyll cells partially maintained leaf growth under drought stress.
A new study has identified ~2.3 million conserved non-coding DNA sequences across 284 plant species, revealing deep principles of plant genome evolution. These ancient regulatory sequences can be maintained despite repeated genome duplications, opening the door to precise engineering of plant traits.
Researchers discover a unique protein component, RbcS-STAR, that helps concentrate carbon dioxide around Rubisco, boosting photosynthetic efficiency. This breakthrough could lead to more sustainable food production by improving crop yields while reducing environmental impact.
Researchers discover that resistant soybean varieties actively recruit beneficial soil microorganisms to suppress the devastating soybean cyst nematode. These microbes can be transferred to soil to help defend susceptible soybeans, providing a promising new approach for sustainable crop protection.
Researchers have identified a master regulator in plants that balances root and shoot growth when nutrients are limited, leading to yield increases of up to 24% in rice plants. This breakthrough could ultimately improve global crop yields while reducing dependence on synthetic fertilisers.
Researchers from Adelaide University and international collaborators discovered the architecture of duckweed's 5S ribosomal DNA locus at the nucleotide level. This knowledge could lead to more efficient protein design and faster-growing plants.
Researchers at FABI define a conserved subset of Phytophthora RxLR effectors with short linear motifs embedded within folded WY domain cores. This arrangement preserves domain integrity while enabling potential interactions with host immune components, reframing pathogen strategies and challenging SLiM dogma.
Researchers at Colorado State University have found a way to boost plant growth while maintaining its immune system through hormone treatment, showing promise for increasing food production. The approach involves genetically manipulating phytohormone interactions to restore cell division and increase disease resistance.
University of Delaware researchers have discovered a novel strain of Bacillus subtilis that helps plants resist soil-borne diseases and retain moisture. The microbe, UD1022, is effective in controlling dollar spot fungus but only when applied directly to leaves, not through soil treatment.
Researchers found that plants living in areas with human activity causing population crashes have reduced genetic diversity and higher inbreeding levels. Conservationists must consider a population's history-influenced genetics alongside its size and habitat in planning.
The new platform at ORNL's APPL facility combines robotics and AI to deliver in-depth insights for plant transformation. Massive datasets generated by the platform are analyzed using AI and ORNL's Frontier exascale supercomputer.
Researchers discovered that thermospermine, a small positively charged polyamine molecule, regulates vascular development by promoting the translation of SAC51 transcription factors while inhibiting LHW. This study sheds light on how plants fine-tune their vascular systems to produce soft edible storage organs or rigid woody tissue.
A new strain of yellow rust pathogen has broken down a key resistance gene, leaving over 50% of the UK's wheat acreage vulnerable. Researchers are racing against time to find new resistance genes and breed them into modern wheat varieties.
Research reveals that probiotics can enhance root development and nitrogen uptake in plants, improving growth without excess fertilizer use. The Sphingopyxis genus supports plant function, offering a potential solution to reduce environmental impact of agriculture.
Researchers identify XTH5 candidate gene and brassinosteroid hormone's role in vine growth and movement. The study sheds light on the molecular mechanisms behind vines' ability to search for and attach to host plants, blocking sunlight and nutrients.
A new method called Distributed Cross-Channel Hierarchical Aggregation (D-CHAG) accelerates analysis of hyperspectral data, enabling faster AI-guided discoveries for high-performing crops. The approach reduces computational bottleneck and increases efficiency, making it possible to extract subtle patterns in plant physiology.
Researchers found that the green-flowered Aeschynanthus acuminatus evolved on the mainland, not in Taiwan, and adapted to shorter-beaked birds. This contradicts the Grant-Stebbins model of plant evolution, which predicted the species would evolve in Taiwan with new pollinators.
A $4.9 million Gates Foundation grant will support the development of self-cloning crops in India, improving agricultural productivity and accessibility for smallholder farmers. The project aims to expand synthetic apomixis technology into staple crops like pearl millet and Indian mustard.
Researchers have found that teosinte-derived traits in corn can alter the relationship between plants and soil microbes, improving nitrogen cycling and potentially making corn production cheaper. By reintroducing these traits, modern maize becomes more sustainable.
A recently identified tree species in Australia, Rhodamnia zombi, is facing extinction due to myrtle rust, a fungal disease that attacks and kills its young shoots. Researchers are working on finding clean cuttings and propagating them to grow resistant seedlings, which may hold the key to resurrecting the 'zombie' tree.
Researchers used dosage-sensitive genes to detect whole-genome duplication events in ancient angiosperm evolution. Their findings suggest a single ancestral WGD event in seed plants, rather than two independent events, with no additional WGD occurring during angiosperm evolution.
Researchers have found that twisted growth in plants is not due to null mutations, but rather changes in gene expression in the epidermis layer. This discovery could help crops thrive in challenging conditions with rocky soils.
Researchers at Chonnam National University identified a hidden molecular switch that quickly reprograms root development to withstand cold conditions. The discovery highlights opportunities to protect crops from rising climate instability by enhancing specific signaling pathways or stabilizing key regulators.
The IPK research team has developed a new statistical method to analyze gene interactions that contribute to heterosis, resulting in more robust and productive plants. The hQTL-ODS method quickly and accurately identifies relevant loci contributing to heterosis in wheat, potentially accelerating yield increases.