Articles tagged with Plant Genetics
Researchers at Stanford University discovered that extremophytes, such as Schrenkiella parvula, can thrive and even grow faster under dry, salty, or cold conditions. This unique response is attributed to the activation of different genetic pathways in these plants, allowing them to bypass conventional stress responses.
A team of researchers discovered that a single gene, AOP2, plays a critical role in maintaining species diversity in an ecosystem. The study found that mutations at this gene can dramatically alter the structure and function of an ecosystem.
A study led by University of Toronto researchers found that human activity is driving adaptation in white clover plants across cities worldwide. The findings, published in Science, highlight the genetic basis of urban adaptation and the environmental drivers of evolution.
Researchers discovered that plant volatile signals can warn neighboring plants of herbivore attacks, activating defense genes and increasing resistance. The team found epigenetic mechanisms, including histone acetylation, play a key role in this process.
Ancient artworks from Minoan civilization of ancient Greece depict domesticated saffron, suggesting cultivation around 1600 BCE. Genetic studies support this origin, placing the modern saffron crocus with its three genomes as a result of natural selection in Bronze Age Greece.
A new molecular study of grasses reveals a clear picture of their evolutionary relationships, shedding light on the evolution of C4 photosynthesis involved in heat and drought tolerance. The research provides evidence that this type of photosynthesis evolved independently multiple times within different grass lineages.
Researchers from Skoltech identified four genetic markers that can predict tocopherol composition in sunflower lines, which is crucial for producing high-quality dressing and cooking oils. This breakthrough discovery will help facilitate faster breeding of new varieties.
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 discovered that a transcription factor called MUTE induces a cell cycle inhibitor SMR4 to slow down the cell cycle, allowing for asymmetric division. A variant with excess SMR4 showed a longer cell cycle during symmetric division, revealing a crucial regulatory mechanism in plant stomatal development.
CROPSR, an open-source software tool, accelerates CRISPR experiment design and evaluation by addressing challenges in complex crop genomes. The genome-wide approach significantly shortens the time required to design a CRISPR experiment, reducing failed experiments.
Tomato plant varieties resistant to bacterial wilt have the ability to restrict bacterial movement in the plant. Researchers discovered that these plants synthesize reinforcement coatings containing ligno-suberin and related phenolic compounds, providing a physico-chemical barrier against pathogen colonization.
Researchers discovered a protein called PHR regulates arbuscular mycorrhiza (AM) symbiosis based on phosphate availability. AM promotes phosphate uptake and other nutrient absorption, enhancing plant resistance to stressors.
Researchers developed a method called 6mASCOPE that measures DNA tagging system accuracy and distinguishes bacterial from human DNA. The study found high levels of methylation in plant, fly, mouse, and human cells, but mostly attributed to contamination.
Researchers discovered that Rubisco's activity drops more rapidly in cowpea leaves when they go into the shade, resulting in missed opportunities to convert sunlight into sugars. This imperfection could be shared with other crops and may lead to targeted breeding for improved productivity.
Researchers confirm that Chevalier barley came from a single plant, analyzing seed samples older than 150 years. The study reveals how the single plant's genetic signature was preserved and used to create modern malting barley varieties.
Researchers found patches of low mutation rates in the genome with essential gene over-representation, suggesting a protective mechanism. This discovery could lead to advances in plant breeding and human genetics, potentially helping breed better crops or fight cancer.
The CLASSY gene family controls tissue-specific DNA methylation patterns in Arabidopsis, which has broad implications for agriculture and medicine. The study reveals that CLSY genes modulate DNA methylation patterns in different plant tissues.
Scientists have analyzed the lychee genome to uncover its ancient history and identify genetic markers for breeding programs. The study found that lychees were domesticated independently in two regions of China, Yunnan and Hainan, leading to early- and late-maturing varieties.
Researchers developed a new method to complete genetic data gaps using haplotype blocks, improving breeding efficiency in plants. The approach has shown comparable quality to collecting more information from DNA strands, reducing costs in animal and plant breeding.
Researchers have identified genes associated with spinach's resistance to downy mildew and its levels of oxalates. The findings could help breeders produce disease-resistant varieties with more consumer appeal, improving spinach's market prospects.
Research reveals a lag of 5-10 years between reduced fungicide use and decrease in fungicide-resistant pathogens. The study's findings provide insights into the impact of fungicide resistance on global distributions of pathogens.
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.
A Clemson-led study aims to accelerate crop breeding by editing the cotton genome in microgravity. The research seeks to understand gene function and develop new methods for precision genetics, which could lead to improved crop yields and disease resistance.
The article highlights the importance of access and equity in sharing biodiversity data, with scientists warning that unequal distribution of genetic data and benefits is hindering innovation and conservation efforts. The CBD and Plant Treaty need reform to address this issue.
A new study reveals that balancing iron and phosphorus levels is crucial to prevent chlorosis, a condition associated with yellowing leaves. The research team found that removing phosphorus can help restore photosynthesis, highlighting the need for more environmentally friendly agricultural practices.
Plant scientists can now image above and below-ground structures with unprecedented clarity, revealing new insights into biological processes. The development of three-dimensional X-ray microscopy enables the observation of microscopic molecular and cellular processes driving plant phenotypes.
Researchers created a single-cell map of corn's root, identifying key regulators of cellular diversity that help crops tolerate drought and flooding. The study found that the genetic regulator SHORT ROOT (SHR) plays a crucial role in expanding cortex tissue, leading to increased tolerance of climate stressors.
The study provides insights into the genetic evolution and migration of chickpeas, offering a roadmap for improving the crop's nutritional value and climate resilience. Chickpeas are a main protein source for hundreds of millions of people worldwide, particularly in South Asia, Africa, and other parts of the world.
Researchers have sequenced the Arabidopsis genome at unprecedented detail, shedding light on centromere evolution and revealing genetic and epigenetic topography. The findings provide insights into the genomic equivalent of black holes, a region that has long been challenging to analyze.
New research enables regionally relevant eating-quality traits to be selected early in breeding programs, saving time and effort. Genetic markers associated with 10 grain-quality traits have been identified, which can now be used by rice breeders in Latin America and potentially worldwide.
Researchers have sequenced the quillwort genome, uncovering unique genetic mechanisms regulating CAM photosynthesis in these aquatic plants. The study found differences in phosphoenolpyruvate carboxylase function between quillworts and terrestrial plants.
A study by University of Tennessee researchers found two soybean genotypes, 'Ellis' and 'USG Allen', that outperformed others under drought conditions. These varieties showed improved yields and reduced wilting, making them suitable for water-limited areas.
Researchers discovered a novel type of bivalent chromatin that enables plants to quickly produce defense compounds like camalexin in response to pathogens. This understanding could inform strategies to improve crop yields and combat global hunger.
Researchers have identified a key component of plants' light response, allowing them to regulate gene expression and control stem growth. By reducing PIF protein activity, they can slow down stem growth and promote leaf and seed production, leading to increased crop yields and improved food supply.
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.
Research reveals that stronger lettuce stems are a key part of disease resistance against Sclerotinia spp., the causative agent of lettuce drop. The study found that wild lettuce species exhibit increased stem strength and reduced symptom development, while modern commercial cultivars are susceptible to rapid basal stem rot.
The New Roots for Restoration Biology Integration Institute aims to integrate plant traits, communities, and the soil ecosphere to advance restoration of natural and agricultural ecosystems. The project seeks to understand how root traits influence plant interactions with each other and with the soil.
The article reviews macrogenetics, a field that uses big data to identify global drivers of genetic diversity and answer fundamental biodiversity questions. Macrogeneticists aim to inform sustainable policies by analyzing large-scale patterns, settling long-standing debates among scientists.
Researchers sequenced DNA from plant specimens collected nearly 50 years ago to analyze genetic diversity and its response to climate change. The study found that several species restricted to the Guadalupe Mountains had surprisingly high amounts of genetic diversity, which could help them adapt to changing conditions.
A new collection of corn genomes provides a detailed understanding of the genetic diversity and adaptability of corn plants. Researchers have mapped the first corn genome in 2009 and filled in gaps since, revealing how the corn genome was shuffled over time.
A Cornell University study found no evidence that environmental stresses increase THC concentrations or CBD ratios in hemp. The research suggests genetics play a key role in determining THC content and CBD ratios.
Researchers from The Pennsylvania State University have discovered a previously unreported structure called the 'cantil' in wild-type Arabidopsis thaliana. Cantils are rare structures that develop under specific conditions and provide important clues for understanding plant growth and development.
Researchers found that hybrids become more productive as genetic distance between parents increases, contradicting previous contradictory studies. The team's study provides clarity to the issue, enabling rational selection of crossing partners for breeding new hybrid varieties.
Scientists have uncovered the mechanism behind chromosome elimination in plants, which could enable removal of harmful genes for medical purposes. The process involves impaired transport of B chromosomes, resulting in their degradation and sparing of root cells from potentially toxic genes.
The EU's new AGENT research project aims to establish a global network of actively cooperating gene banks and convert them into digital resource centers. The project seeks to standardize gene bank management and verification, making plant genetic resources more accessible to researchers and breeders worldwide.
A team led by CSHL Professor David Jackson has identified a gene in corn that contributes to both plant development and immune system control. Manipulating this gene, Gß, could increase crop yields by reprogramming the balance between growth and defense.
Researchers at the University of Córdoba discovered a new gene involved in strawberry fruiting duration, contradicting previous assumptions that only one gene controlled this trait. The study's findings provide valuable insights into genetic mechanisms and could lead to more efficient improvement programs for strawberry production.
Researchers at the University of Illinois identified genetic signatures that distinguish male from female waterhemp and Palmer amaranth plants, a crucial step in developing genetic control. The discovery aims to introduce genetically modified male plants that would contain a gene drive to control the damaging weeds.
Researchers studied the effects of ionizing radiation on plants, finding that it can alter physiological processes such as photosynthesis and respiration. The study suggests that ionizing radiation can have both negative and positive effects on plant life, depending on the context.
Scientists at The University of Toledo found that insects manipulate grape vines' reproductive programs to create a leaf gall, providing a protected space for the parasite. This discovery opens possibilities for protecting wine and raisin production from agricultural pests.
Scientists have found an optimal mating distance that maximizes genetic fitness in model organisms, including baker's yeast, Arabidopsis plants, and mice. This discovery has implications for animal and plant breeding as well as conservation.
The importance of plant genetic resources cannot be overstated, as they provide the building blocks for crop breeding and research. Crop wild relatives, in particular, offer valuable traits like drought tolerance that can help ensure global food security.
Researchers at the Natural History Museum used DNA barcoding to identify 80% of commercial orchid products as containing threatened species. The study highlights the need for increased regulation and monitoring in the global trade of orchids.
Monash University researchers have discovered a new mechanism that enables plants to regulate their flowering in response to raised temperatures. The finding could lead to the development of technology allowing us to control plant physiological responses and mitigate warming impacts.
Plant scientists found that parasitic nematodes use a specialized hormone to feed from plants, allowing them to cause devastating agricultural pests. The discovery could lead to the development of crop plants with enhanced resistance to these pests.
A University of Minnesota study identifies a single gene responsible for the difference in psychoactive content between hemp and marijuana. The discovery could strengthen hemp producers' arguments that their products should not be subject to the same narcotics laws as hemp's cannabinoid cousin.
Researchers discovered sustained human habitation and farming between 2,500-3,400 meters above sea level 3,600 years ago on the Tibetan Plateau. This finding challenges previous understanding of human adaptation to high altitudes.
Researchers have identified 871 wild plant species in China with potential to adapt globally important crops, including rice and wheat. These crop wild relatives (CWR) can improve crop tolerance and nutritional qualities.
A team developed a sophisticated tool to characterize the functions of genes in Chlamydomonas reinhardtii, a key subject for photosynthesis research. This breakthrough enables large-scale genetic analysis of the organism's mutants, leading to better understanding of cellular processes and potential applications in biofuel development.
UC Riverside plant geneticists Mikeal Roose and Timothy Close are developing a genetic tool to improve citrus breeding. They will use high-density SNP genotyping arrays to study citrus varieties and hybrids, identifying genes for disease resistance, fruit quality, and other essential traits.