Articles tagged with Plant Genetics
Researchers at the Salk Institute have discovered a genetic mechanism that integrates light and temperature information to control flowering in plants. This genetic module, which acts as a coincidence detector, links blue light and low temperature signals to guide the switch to flowering.
Researchers discovered that plants rapidly activate a coordinated immune response during drought recovery, prioritizing immunity over growth. This finding highlights the importance of studying the post-drought period and points to new strategies for engineering crops that can rebound more effectively after environmental stress.
Researchers have created glow-in-the-dark succulents using light-emitting compounds that absorb and release light slowly. The plants can shine in various colors and stay lit for up to two hours after exposure to sunlight or indoor LED light.
Lucia Strader's lab at Salk will explore how plants sense and integrate environmental cues to shape their growth and development. Her work aims to advance fundamental understanding of plant biology and design more resilient crop varieties.
Researchers create first genetic atlas to span entire Arabidopsis life cycle, capturing gene expression patterns of 400,000 cells in multiple developmental stages. The atlas provides comprehensive insights into plant biology, enabling future studies on different cell types and developmental stages.
A University of Missouri-led study has uncovered how poplar trees can naturally adjust a key part of their wood chemistry based on changes in their environment, supporting improved bioenergy production. The discovery sheds light on the role of lignin and its potential to create better biofuels and sustainable products.
A research team led by Prof. Nguyen Tuan Anh from HKUST has made significant strides in understanding miRNA biogenesis using a groundbreaking massively parallel dicing assay. They discovered the GHR motif, a critical determinant of DCL1's cleavage specificity, which operates independently of DCL1's dsRBD and helicase regions.
Researchers at Salk Institute used CRISPR-Cas9 to delete large duplicated regions in Arabidopsis thaliana genomes, revealing minimal off-target effects. The study shows that it's possible to obtain viable plants with streamlined, minimal plant genomes, challenging assumptions about essential DNA blocks.
Researchers at UNIGE discovered that nutrient transport in plant roots becomes unidirectional as the root develops, with implications for enhancing plant resistance to drought stress. The study found that genetic mutants with abnormally wide plasmodesmata exhibited improved drought resilience.
Researchers analyzed centromeres in onion, garlic, and Welsh onion using CENH3-targeted antibody to map centromere regions. They found significant variations in size and position/mobility between species, challenging the static view of centromeres.
Three new truffle species have been discovered by researchers, including Leucangium cascadiense, which is native to the Cascadia region and can command high prices in culinary circles. The discovery was made using sniffer dogs and DNA sequencing, revealing a previously unknown relationship between truffles and their host trees.
A team of researchers at the University of Toronto has identified a protein, Shikimate kinase-like 1 (SKL1), that enables land plants to convert light into energy through photosynthesis. This discovery holds promise for improved herbicides and increased efficiency of photosynthesis in food crops.
Researchers have charted how plant metabolism responds to genetic changes that increase oil production, finding simultaneous increases in both oil and protein content. The study's findings will provide scientists with clues for optimizing biofuel production in plants such as camelina and pennycress.
The Moon-Rice project is developing a super-dwarf rice variety that can thrive in microgravity and produce high yields, addressing nutritional deficiencies in space. Researchers are also exploring ways to enrich the protein content of the crop to support astronaut health.
Researchers found that a single synonymous mutation in a gene drives cucumber elongation by altering RNA structure and function. This breakthrough has significant implications for crop breeding programs and may lead to the development of precision-crop improvement techniques.
New research reveals that plants rely on multiple heat-sensing systems and a sugar-based mechanism to detect temperature changes. Sugar produced in sunlight helps plants grow taller even when thermosensors like phytochrome B are less effective. This discovery could lead to breeding crops more resiliently under stress.
Indole biosynthesis in flowering plants is mediated by the pseudoenzyme TSB-like, which enables the release of free indole as a volatile compound. This mechanism allows plants to defend against pests and attract pollinators through their scent.
A new study reveals that natural selection is driving the evolution of resistance in ash trees against the fungal disease ash dieback. The research found that younger generation ash trees exhibit greater resistance than their predecessors, offering hope for the survival of ash trees.
Researchers created a comprehensive genetic resource for Australian chickpea varieties, uncovering previously uncharacterized genetic diversity. The pangenome analysis identified 34,345 gene families, including those associated with key agronomic traits like yield, flowering time, and disease resistance.
Researchers identified two novel genetic mechanisms governing disease resistance in wheat, involving pairs of nucleotide-binding leucine-rich repeat immune receptors. The discoveries offer new insights into plant immunity and provide crucial gene resources for breeding resistant wheat varieties.
Researchers developed a method to edit crop plant genes, discovering influence on taste and shape. The technique enables examining thousands of genes, overcoming challenges like genetic redundancy.
Researchers at Colorado State University have demonstrated the reversal of embolism in a type of wild grass, which can recover from extended drought within 24 hours. This finding has significant implications for improving agricultural productivity and food security, as it could potentially be bred into crops to make them more resilient...
Traditional Asian wheat varieties harbor multiple genes conferring yellow rust resistance, a devastating disease threatening global bread wheat production. These findings highlight the importance of preserving genetic diversity and traditional farming practices to combat diseases and ensure food security.
Researchers at Colorado State University have created a programmable plant circuit that can turn genes on and off, allowing farmers to time harvests and adapt to drought. The breakthrough could lead to automated genetic circuit design through machine learning, revolutionizing agriculture.
Chinese researchers developed a groundbreaking 3D genome mapping technology that reveals how the 3D organization of plant genomes influences gene expression, especially in photosynthesis. The innovation provides a precise tool for understanding long-range chromatin interactions and their role in regulating biological processes.
Researchers created the most comprehensive genetic atlas of cannabis, revealing unprecedented diversity and untapped opportunity in this foundational agricultural species. The study sets the stage for transformative advances in cannabis-based agriculture, medicine, and industry.
A new study reveals that DNA methylation mediates the transgenerational inheritance of acquired cold tolerance in rice, supporting Lamarck's theory. Researchers developed a novel breeding strategy to develop stress-resilient crops, offering a promising avenue to tackle agricultural challenges posed by global climate change.
Rajeev Varshney, a Murdoch University professor, has been elected as a Fellow of the Australian Academy of Science. He is recognized for his groundbreaking work in genomics, genetics, and pre-breeding, helping to secure food production in the face of climate change.
A research team has pinpointed the genetic location behind thorns in blackberries, enabling plant breeders to accelerate the creation of thornless varieties. The study used genome-wide association studies and genotyping to identify a specific region of DNA associated with the prickly trait.
A recent study found that human activities negatively impact plant diversity over vast distances, with natural habitats containing only a fraction of potential species in heavily impacted regions. The DarkDivNet network analyzed 5,500 locations across the globe, revealing alarming effects on biodiversity.
New York University researchers developed a novel process using machine learning to reveal groups of genes governing nitrogen use efficiency in plants like corn. The study aims to help farmers improve crop yields and minimize fertilizer costs.
Researchers at King Abdullah University of Science & Technology (KAUST) have discovered genes that can strengthen rice crops against environmental stresses such as heat, drought, and salinity. The study also identified a comprehensive framework for developing robust rice crops that can thrive in challenging environments.
Researchers uncover pivotal role of ZmCCT2 in regulating maize mesocotyl length and adapting to high altitudes. Significant associations between genetic variations and mesocotyl lengths were found, highlighting the essential function of ZmCCT2 in promoting cell elongation.
The Hong Kong Bauhinia Genome Project has completed a decade-long effort to sequence the DNA of Hong Kong's floral emblem, revealing 28 complete chromosomes and solving the species' parentage. The project's T2T genome assembly provides insights into genetic mechanisms underlying its vibrant blooms and ecological adaptability.
A new study published in Science reveals insights into the activity of genes inside different cell types in maize plants. The research, led by Alexandre Marand at the University of Michigan, sheds light on how molecular biology connects to a plant's visible traits, such as ear size and growth.
Researchers from Chiba University identified a previously unreported gene, LIRI1, which plays a crucial role in regulating the balance between starch and lipid storage in plant leaves. The study suggests that LIRI1 promotes carbon allocation by activating starch production and inhibiting starch degradation.
Researchers use a new pipeline to make genetically engineered plants with improved oil production, reducing labor and time in the process. The FAST-PB platform integrates automation and single-cell lipidomics to accelerate plant transformation.
Researchers at Osaka Metropolitan University identified the CcMCA1 gene as a key player in the development of haustoria, structures that allow Cuscuta campestris to feed on host plants. Suppressing this gene expression can reduce the number of haustoria per centimeter, offering potential for controlling invasive plant species.
Researchers discovered that cruciferous plants like cabbage and wasabi repurpose stomatal genes for defense, producing pungent compounds that deter herbivores. FAMA regulates both gas exchange and myrosin cell production, a key trigger for this defense mechanism.
Researchers at Nara Institute of Science and Technology discovered five novel small molecules that can delay flowering in plants without heat treatment. These compounds, called devernalizers, reactivated the expression of a key gene suppressor of flowering, allowing for enhanced crop yield and resilience.
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.
Research suggests that flowering plants' tendency to reward pollinators with nectar is heritable and influenced by flower size and sugar content. Bees prefer honest flower genotypes, benefiting the plant through increased seed production.
Researchers have developed ExPOSE, a method that allows for the visualization of plant cells with greater resolution, enabling studies on protein and RNA location, and cellular response. The technique uses protoplasts to overcome cell wall challenges, paving the way for a powerful new toolkit in plant biology.
Scientists at CSHL and global collaborators have sequenced complete genomes for the Solanum genus, including tomatoes, potatoes, and eggplants. The study reveals the importance of understanding paralog genes in predicting genome editing outcomes.
A new species of manzanita has been discovered on the central coast of California, but its survival is already at risk due to urban development. The species, Arctostaphylos nipumu, lacks a protective burl that allows some other manzanitas to resprout after wildfires.
Researchers discovered a gene cluster responsible for producing withanolides in ground-cherry plants, demonstrating epigenetic regulation of chemical defenses. The study provides insights into the production of diverse metabolites and potential development of alternative pesticides and therapeutics.
Grapevines rely on external signals to gain cold hardiness for winter and develop buds in the spring. Warmer autumns and false springs disrupt this process, making NY grape growers vulnerable to late frost damage. Planting diverse varieties is key to adapting to climate change.
A Stanford-led study reveals significant variations in corn varieties' water-seeking abilities, with tropical and subtropical varieties outperforming temperate ones. This finding holds potential for developing more resilient corn varieties to tackle climate change-induced droughts.
Researchers mapped yerba mate's genome, discovering an ancestor that duplicated its genome 50 million years ago. This event led to the evolution of caffeine biosynthesis in yerba mate and coffee through convergent pathways. The study provides opportunities for creating plant varieties with new characteristics.
Researchers have debuted the first comprehensive gene expression atlas of the plant periderm at the single-cell level, providing new insights into phellem cells and their role in carbon storage. The atlas could be used to stimulate growth of the protective periderm in plants facing environmental stress due to climate change.
Researchers at Salk Institute discovered plant cells enter an immune state to fight pathogens, using Primary IMmunE Responder (PRIMER) cells as hubs for the immune response. These cells are surrounded by bystander cells that enable long-distance cell-to-cell communication.
A study by North Carolina State University reveals the global spread of powdery mildew fungus in blueberries, with a cost range of $47 million to $530 million annually to the industry. The disease is caused by the Erysiphe vaccinii fungus and has been found on multiple continents since its introduction in 2012.
Researchers from the University of Lausanne used genome editing to repair a deleterious domestication mutation in the tomato genome. This resulted in an earlier yielding variety, which could have implications for agriculture and sustainability. The study demonstrates the potential benefits of genome editing for crop breeding.
Researchers have discovered how a parasitic phytoplasma manipulates plant biology to attract female leafhoppers, boosting the parasite's own transmission and survival. The study reveals that the presence of male leafhoppers is crucial for attracting females, and that the parasite's effector protein SAP54 plays a key role in this process.
Researchers at UC Davis reveal a 40-million-year-old genetic mechanism controlling alternating sexes in walnuts, similar to human sex chromosomes. Two variants of a gene linked to flowering type balance each other, maintaining genetic variation and equilibrium.
A new study found that over half of weedy rice sampled in the southeastern US has become resistant to certain herbicides, including imidazolinone and a newer class of herbicides. The researchers also discovered that individual fields have distinct compositions of weedy rice strains, making management harder.
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 found that a regulatory level change enabled C4 plants to photosynthesize more efficiently. By studying this shift, they believe it could be applied to make C3 crops like rice and wheat more resilient to climate change.
Plant biologists have identified two genes that work together to trigger embryo formation in rice egg cells, enabling the creation of high-yielding clonal strains. The method, which increases success rates to around 90%, has significant implications for sustainable agriculture and could provide a path forward for resource-limited farmers.