Articles tagged with Plant Genomes
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New research reveals that human gut bacteria use plant N-glycans as nutrients, enabling better management of good gut health. The discovery has biotechnological applications, such as reducing allergenic responses to food and medicine.
Researchers suggest a new approach for regulating genetically engineered (GE) crops by examining the specific characteristics of the crop itself. The '-omics' methods can be used to scan new crop varieties for unexpected DNA changes, eliminating the need for safety testing if the product is substantially equivalent to existing varieties.
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 at CSU found that a gene called MSH1 helps keep plant mitochondrial genomes mutation-free, allowing for quick sorting of normal and diseased DNA. This process is more efficient in plants than in humans, where mutations are passed down through generations.
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.
A self-pollinating monkeyflower plant lost 13-24% of its genetic variation within nine generations when isolated from bumble bees. This rapid loss of genetic variation could have devastating impacts on the plant's ability to adapt to changing environments, highlighting the importance of pollinators for plant survival.
Researchers at the University of California, Davis have discovered a new pathway for cereals to capture nitrogen from the air, reducing the need for expensive fertilizers. The breakthrough could save farmers billions of dollars annually and benefit the environment by decreasing nitrogen pollution.
Researchers examine the genomic variations of 191 microbial strains paired with their host plants to understand cooperation and conflict. They found that 80% of symbiont genes align with the host's interest, often paying for them to be beneficial despite competing interests.
The study of flying spider-monkey tree fern genome provides insights into fern evolution and arborescence. Ferns developed vascular tissues, including xylem and phloem, to transport water, nutrients, and food, which is a key innovation in land plant evolution.
Researchers have discovered how sea cucumbers produce defensive chemicals using genome mining techniques. The animals' unique ability to biosynthesize toxins has been found to be linked to the diversion of a sterol-producing enzyme, resulting in the production of valuable medicinal compounds.
A reference genome for the wild relative of cultivated tomatoes has been developed to improve crop yields and disease resistance. Researchers have also created online tools to facilitate gene discovery and analysis.
Heidelberg University researchers have identified a key protein HYPK that regulates N-terminal acetylation, prolonging plant protein life and enhancing drought resistance. This mechanism appears to be ancient, retained across various organisms.
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 at Cornell University named a new green alga species after poet Amanda Gorman, who inspired them during a challenging year. The discovery was made by accident while studying hornwort plants and contains unique DNA from fungi and bacteria.
A group of researchers discovered a new species of green algae, Gormaniella terricola, in Central New York State. The alga's unique chloroplast genome was found to contain DNA from fungi and bacteria, highlighting the importance of horizontal transfer.
A new study has identified genomic modifications in the transgenic papaya 'SunUp', which was developed to resist the papaya ringspot virus. The researchers used advanced sequencing technologies to read long stretches of DNA and found that the insertion did not cause any change in gene expression.
Researchers discovered hundreds of new gene functions in algae, which have counterparts in plants, enabling better understanding of photosynthesis, DNA repair, and stress responses. The findings can improve biofuel production and develop heat-tolerant crops.
Researchers found that gene duplications can complicate crop improvements, with some plants showing little effect despite similar mutations. This study highlights the need to understand evolutionary changes in plant genomes to develop more predictable crop improvements.
A team of researchers identified a stem rust resistance gene from wild goat grass species Aegilops sharonensis, which can be cross-bred into wheat for immunity against deadly crop pathogens. The genetic potential of this hardy relative has been largely unexplored and holds promise for reducing the threat of the stem rust disease.
Studies comparing cultivated apples to their primary wild progenitor, Malus sieversii, found that modern apples are larger and less acidic. They also exhibit improved storage capabilities, suggesting a significant difference in phenotypic traits between the two species.
University of Ottawa scientists, collaborating with Yale researchers, have discovered the hidden influence of a single variation between histone H3.1 and H3.3 proteins. This finding could expand our understanding of DNA damage repair and its role in diseases like cancers and sponastrine dysplasia.
Researchers have identified a key gene that confers stripe rust resistance in bread wheat, providing hope for improving crop yields and ensuring global food security. The discovery was made possible by the assembly of the highest-quality genome to date for bread wheat using advanced DNA sequencing techniques.
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 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.
A new study from the University of Georgia reveals that pollen begins expressing its own genome at a specific point in its life cycle. This discovery has significant implications for plant breeding, as it allows researchers to predict how plant species adapt to environmental changes and potentially speed up crop 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.
University of Illinois researchers found a key gene responsible for increasing soybean protein content by approximately 2%. The discovery could lead to significant increases in protein production, addressing global food security issues. However, the gene's function is unclear and may involve the plant's circadian machinery.
Researchers from Hokkaido University have proposed a framework to clarify the distinction between genetically modified organisms (GMOs) and genome-edited organisms (GEOs). The framework considers scientific, ethical, and social factors to determine whether an organism is a GMO or GEO. The proposal aims to enhance regulatory reliability...
Researchers outline a roadmap to sequence plant genomes worldwide, aiming to decipher the secrets of plant DNA and advance understanding of ecosystems. The effort is part of the Earth BioGenome Project's 'moonshot' for biology, sequencing all eukaryotic biodiversity over ten years.
Researchers found that sunflowers with larger UV bullseyes retain water more efficiently in drier environments, suggesting a dual role for floral pigmentation in adaptation. The discovery may help increase crop yields and improve pollinator attraction.
Researchers found that plants have evolved a way to protect their most important genes from mutation, which has significant implications for understanding crop domestication and cancer. The study discovered non-random patterns in DNA mutations, with essential genes overrepresented in regions where mutations are rare.
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.
Researchers used new technology to study Grapevine Pinot gris virus propagation in a specific vineyard in France. The study found that over 75% of tested plants became infected between 2014 and 2015, with only a marginal number of grapevines testing positive during the remaining five years.
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.
A new study has catalogued all possible genetic variations in over 3,000 chickpea plants to improve the crop's yield and resilience to climate change. The research proposes a breeding model using genomics-assisted breeding to enhance agriculturally valuable traits.
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.
An international team of researchers identified genes associated with plant survival in the Atacama Desert, a harsh environment in Chile. These findings may help scientists breed crops that can thrive in increasingly dry climates and mitigate the effects of climate change.
Mangroves have evolved a remarkable resistance to stress in harsh ocean environments. Researchers decoded the genome of Bruguiera gymnorhiza and found that it regulates genes to cope with stress, using adaptive epigenetic changes to survive.
Researchers identified a wide divergence of sex chromosomes in jojoba plants, which could lead to the development of a DNA test to identify male and female plants. The study reveals that male and female jojoba plants have diverged genetically due to environmental stress, with differing reproductive resource allocation requirements.
Researchers at Yamaguchi University have successfully assembled the genetic map of the onion genome, revealing over 540,000 possible genes. The findings also suggest that functional gene regions are evenly distributed across the genome, highlighting the need for careful examination to determine gene functionality.
A team of researchers discovered that KNOX and BELL transcription factors evolved to activate zygotes in plants, later shifting their role to maintain organ development in land plants. The study used the liverwort Marchantia polymorpha as a model organism.
A new study using machine learning uncovers 'genes of importance' in plants that help them grow more efficiently with less fertilizer, reducing economic and environmental costs. The approach also predicts additional traits in plants and disease outcomes in animals.
Researchers have sequenced the shea tree's genome, providing a valuable resource for genetic improvement and breeding. The new tool will enable faster development of high-performing shea varieties, addressing the species' slow growth rate and high demand.
Researchers sequenced the genomes of an ancient date palm leaf and found evidence of hybridization with wild relatives. The study sheds light on the evolution of date palms in North Africa, showing that genetic material from another species was present 2,200 years ago.
A reservoir of genes allowing sorghum to adapt to environmental stresses has been identified from 13 contrasting genomes. This genetic diversity is valuable for breeders, enabling them to improve crop yield and resilience. The analysis, led by the University of Queensland, provides unprecedented insights into the genome's dynamic nature.
Scientists have developed a new live analysis system for plant stomata, allowing for rapid and affordable identification of desirable traits. This innovation has the potential to accelerate crop development for climate-resistance, addressing future food shortages.
Research at Washington University in St. Louis reveals that white clover's chemical defense against insect pests comes from both of its parental species, not just one as previously thought. The plant's ecological success can be attributed to this cyanogenesis process.
Researchers identify gene regions responsible for non-target-site herbicide resistance in waterhemp, a key step towards early detection and management tools. By analyzing the genome of waterhemp, scientists have narrowed down the genetic regions controlling resistance to two areas, paving the way for further studies.
Researchers have discovered a new carnivorous plant, Triantha occidentalis, that traps insects near its insect-pollinated flowers, avoiding the death of potential pollinators. The plant's sticky hairs only entrap small midges and insects, allowing larger bees and butterflies to act as pollinators.
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 new study reveals genome duplication events in ancient gymnosperms led to the origin of pines and other conifers, enabling them to adapt to changing ecosystems. The research suggests that duplicated DNA gave rise to unique traits such as diverse cone structures and egglike roots.
Recent innovations by University of Florida researchers at CABBI demonstrate the first successful precision breeding of sugarcane using CRISPR/Cas9 genome editing. This technique allows for precise changes in genes and introduces superior versions, potentially increasing productivity and sustainability.
Scientists assembled a high-quality genome of a European olive species, identifying genes involved in oleuropein biosynthesis. The study revealed 202 genes related to oleuropein, twice as many as previously known, and found olives genetically closest to the oleaster plant.
Scientists have developed a new framework for describing gene content and order across Brassica species, which will aid in evolution studies. This framework enables the acceleration of beneficial gene exchange between species, ultimately leading to more climate-resilient crops.
Researchers at Cold Spring Harbor Laboratory found a gene responsible for reinstalling beneficial epigenetic modifications in plants. This process helps prevent the transmission of harmful genetic traits to offspring, allowing plants to evolve and diversify.
A team of scientists from China has sequenced the genome of Lavandula angustifolia to understand the genetics behind its distinctive fragrance. The study revealed that gene duplications and terpenoid diversification led to the evolution of unique compounds, with potential applications in stress relief, skin conditioning, and pollination.
Scientists have successfully identified the complete avenacin biosynthetic pathway in oats, which provides resistance to soil-borne diseases like take-all. This discovery has implications for creating disease-resistant lines of wheat using modern technologies.
A Chinese research team discovered that whiteflies use a plant gene to degrade common plant toxins, allowing them to feed on plants safely. The team developed a strategy to undo this superpower by creating a small RNA molecule that interferes with the whitefly's gene.
Researchers at the Chinese Academy of Sciences have developed a 'genome scalpel' to efficiently produce sustainable biofuels from sunlight and CO2 by removing non-essential genes from microalgae. This approach could lead to more efficient production of biomolecules like biofuels, with potential applications in renewable energy and redu...