Articles tagged with Plant Genetics
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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.
Researchers found that closely-related rhododendron species in China's Hengduan Mountains coexist by bursting into bloom at different times of the season. This diversification allows them to reduce competition for resources and pollinators, enabling their survival.
A new study sheds light on the leaf traits and productivity of C4 bioenergy crops, revealing distinct niches in the leaf economics spectrum. The research found that miscanthus and sorghum, two C4 plant species, have higher photosynthetic rates and nitrogen use efficiency than common C3 plants.
EURISCO is an international aggregated database documenting over 2 million plant genetic resources across 6,737 genera and 45,175 species. The catalogue provides a central entry point for information on crop diversity, facilitating access to data on crop improvement programmes.
A recent study published in PNAS found that genetic effects in interacting species jointly determine ecological outcomes. The research, led by Utah State University geneticist Zach Gompert, reveals that individual variation matters and has consistent effects on caterpillar growth across multiple butterfly populations and species.
Two papers published in Nature Plants unveil the first full-length genomes for homosporous ferns, a group containing 99% of modern fern diversity. The Ceratopteris genome suggests that ferns stole genes from bacteria for anti-herbivory toxins.
Researchers found that Marchantia liverworts completely inactivate paternal genes in embryos, ensuring proper development. The mechanism involves Polycomb Repressive Complex 2 and maintains haploid dosage despite the short diploid phase.
Researchers found that domesticated rye has smaller recombining regions, making it less resistant to climate change. In contrast, wild rye has a more diverse genetic makeup and can freely recombine its genetic material.
A team of researchers has identified a single nucleotide mutation that confers resistance to cassava mosaic disease, which causes significant yield losses worldwide. This discovery has implications for improving cassava yields and sustaining farmer income, and could also shed light on disease-resistance in other major crops.
Researchers at the University of Maryland identified AGL62 as the trigger for fruit and seed development in flowering plants. The study showed that AGL62 stimulates auxin production, which regulates endosperm growth and fruit enlargement.
Researchers discovered that stressed plants produce salicylic acid, a protective hormone, to counteract stress caused by climate change. This discovery could help plants survive increasing stress and ultimately protect the food supply.
Researchers discovered that plant carnivory evolved from calcium molecules' dynamic movement within cells in response to touch from live prey. This finding broadens our understanding of how plants interact with their environments and may lead to the development of crops that can survive in challenging conditions.
Quantitative disease resistance is a promising approach to combat plant diseases, which cause an estimated 13% loss of global crop yields annually. Researchers aim to identify disease resistance mechanisms for important corn diseases and develop genetic resources for the broader maize genetics community.
Researchers discovered three gene mutations that, when combined, allow rice plants to retain more seeds, increasing crop yield. The study sheds light on the emergence of cultivated rice from wild rice plants and its potential applications in improving rice cultivation.
Scientists have identified the DOMINANT AWN INHIBITOR (DAI) gene in sorghum, which regulates the absence and shortening of awns. The gene encodes a protein that negatively regulates awn formation as a transcription factor, with implications for breeding modern awnless cultivars.
Researchers tested ictB transformants in field-grown tobacco and found no significant improvement in photosynthesis or biomass production. Despite previous studies suggesting potential benefits, the current study suggests that ictB overexpression may only be beneficial in controlled environments.
Researchers have identified three new proteins that play a key role in plants' response to physical contact and touch, solving a scientific mystery that has eluded molecular biologists for 30 years. The study's findings could lead to higher yields and improved stress resistance in crops, which is crucial in the face of climate change.
Scientists have identified the cuticle as the primary defense mechanism for plants against UV-B radiation, with protection levels exceeding 90%. The cuticle absorbs energy and converts it into heat, maintaining continued protection through a cyclical process.
A team of international researchers has identified a genetic driver that improves yield traits in wheat while increasing protein content by up to 25 per cent. This discovery has the potential to generate new wheat varieties with higher quality grain.
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 at King Abdullah University of Science & Technology (KAUST) have identified a stem rust resistance gene in Aegilops sharonensis and transferred it to common wheat. The new transgenic wheat lines show high levels of resistance to the stem rust pathogen, providing hope for mitigating the devastating effects of climate change.
Researchers discover that type 1 TPCs encode SV channels in plant vacuoles, while type 2 TPCs likely encode distinct ion channels. This study provides functional and evolutionary insights into the TPC family in plants, shedding light on their role in plant growth and defence mechanisms.
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.