Articles tagged with Plant Microbe Interactions
A team of Georgia Tech biologists discovered that chemoautotrophic sulfur-oxidizing bacteria play a crucial role in providing nitrogen to plants while detoxifying the root zone, enhancing plant health and resilience. This finding highlights the importance of microbes in coastal ecosystems.
A new study found that barley plants recruit distinct microbial communities based on the sugars they secrete from their roots. The custom community of beneficial microbes improves the plants' growth, while differences in gene activity between the two barley types explained the variation in their root communities.
A new dataset has been released that combines molecular information about the poplar tree microbiome with ecosystem-level processes. The dataset provides detailed information on 27 genetically distinct variants of Populus trichocarpa, a bioenergy crop, and includes data on gene expression, soil chemistry, and microbial diversity.
Researchers studied the gene expression of plants and mycorrhizal fungi using RNA sequencing and spatial transcriptomics, identifying over 1,000 upregulated genes that could be tuned to optimize this symbiosis. This work offers benefits for addressing climate change by improving soil carbon storage and biofuel feedstocks.
Researchers discovered that maize genetic makeup affects which microorganisms cluster around roots, boosting root growth. The study found that specific bacteria, like Massilia, promote lateral root growth when nitrogen is scarce, suggesting a potential breeding strategy for drought-tolerant maize varieties.
A collaborative research project, 'Ecosystem on the Edge,' aims to understand how coastal marsh plants and microbes interact in a constantly pulsating environment. The four-year study at Plum Island Ecosystems Long Term Ecological Research site will investigate controls and impacts of iron and sulfur cycling.
Researchers discovered a group of common microbes that work together to decompose flesh, allowing for accurate time-of-death estimates. A predictive model based on microbial activity demonstrated high accuracy in predicting time of death within three calendar days.
Researchers at KAUST have investigated the potential of manipulating fonio's association with soil microbes to improve its drought tolerance and nutritional content. The study found that the core microbiome of fonio millet plays an important role in its general metabolism, and that environmental factors can influence microbial diversit...
Legume plants have a unique ability to interact with nitrogen-fixing bacteria, allowing them to thrive without external nitrogen. Researchers identified four essential phosphorylation sites on the SYMRK kinase that mediate this symbiotic relationship.
Researchers studied how mosses and plants conquered land, discovering that fungi played a crucial role in nutrient absorption and plant resilience. The study also highlights the potential of mosses as natural fabricators for building materials or medicines in space exploration.
A Dartmouth-led research team created an experimental green roof to test the effect of native prairie microbes on soil microbial community development. Their findings demonstrate that active management accelerates soil development faster than passive reestablishment, fostering a more diverse and sustainable soil community.
Research finds that plants decrease volatile organic compounds in response to fungal associations, but not when exposed to caterpillars. Plants with fungal associations also exhibit increased growth and complex root structures.
Researchers discovered that plants eliminate IMA1 to prevent harmful bacteria from thriving, but increasing IMA1 levels makes leaves more resistant to attack. This finding suggests a deep connection between iron availability and the plant immune system.
Researchers have successfully engineered the plant microbiome to boost beneficial bacteria that protect plants from disease. This breakthrough could substantially reduce pesticide use and unlock opportunities to improve plant health.
Researchers at NUS-SCELSE have discovered a plant hormone, methyl jasmonate, that communicates with beneficial microorganisms in the soil, boosting crop growth by 30%. This finding holds great promise for sustainable agriculture and could lead to the development of nature-based agrochemicals.
Researchers found that mycorrhizal fungi can significantly improve crop yields by up to 40% in fields with high levels of fungal pathogens. The inoculation was most effective when the soil had already been contaminated with pathogens, serving as a protective shield against further damage.
A team of MSU scientists has identified a key protein in transporting antimicrobial proteins out of plant cells, which could lead to breakthroughs in crop productivity and yield. By understanding how plants defend themselves against pathogens, researchers can develop new strategies to improve crop resilience.
A recent study has provided significant genomic insight into tar spot of corn, a destructive disease causing $1.2 billion in yield loss. The researchers identified over 100 novel effectors that play a crucial role during infection, warranting further investigation.
The American Phytopathological Society has created a new series of distinguished reviews in honor of Harold H. Flor, who developed the gene-for-gene concept in plant pathology. The series presents authoritative reviews on molecular plant-microbe interactions, providing a historical perspective and future directions for research.
Engineering associations between plants and nitrogen-fixing microbes using genetic engineering could lessen dependence on synthetic fertilizer. This approach involves bi-directional signaling to release fixed nitrogen, promoting efficient communication between engineered plants and microbes.
Jennifer Kane is studying how microbes interact with Miscanthus roots to boost productivity and sustainability. The research aims to understand what conditions enable the plant to prosper, with potential implications for bioenergy production on marginal lands.
Tobin Hammer argues that some hosts have evolved a dependence on their microbiome, but the microbes do not provide any benefits in return. This phenomenon, known as evolutionary addiction, could have unique implications for understanding host-microbe interactions.
A team of researchers at the University of Johannesburg has made a groundbreaking discovery about how tomato plants defend themselves against the devastating ToCSV virus. By studying the molecular genetics of infected tomato varieties, they found that viral DNA methylation plays a crucial role in resistance to ToCSV.
Researchers discovered a species of fungus that fosters a unique symbiotic relationship with oilseed rape plants, increasing flavonoid biosynthesis and enhancing plant defense against pests. This breakthrough offers promising potential for sustainable agriculture and minimizing ecological footprints.
A new study suggests that one branch of plant immunity evolved early during terrestrial evolution, enabling plants to establish themselves on dry land. The research found that pattern-triggered immunity (PTI) is conserved in non-vascular plants, such as liverwort Marchantia polymorpha.
Researchers found that soil microbes adapt to drought conditions over time and provide benefits to plants when grown together, even without plant signals. This challenges the long-held assumption of co-evolutionary dialogue between plants and microbes.
Researchers found that competition between beneficial bacterial strains degrades the service they provide to plants, resulting in smaller benefits. The study used native California plant and eight compatible nitrogen-fixing bacterial strains to directly measure their ability to infect plants and provide benefits.
Researchers have identified a new trichothecene, NX, produced by Fusarium graminearum, which contributes to the pathogen's ability to infect wheat and spread disease. Deleting the gene responsible for NX production reduces toxin levels and disease severity, providing potential control methods.
Plant microbiomes have the potential to make agriculture more sustainable, but understanding their complex interactions is crucial. Researchers have developed models that use metabolic capabilities of bacteria to predict how these microbial communities compete or cooperate.
A recent study confirmed which genes in the HiVir cluster are essential and which contribute partially to the disease. The toxin produced by Pantoea ananatis has broad-spectrum activity, potentially targeting conserved functions within plants.
A new technology called PHYTOMap allows researchers to study dozens of genes simultaneously without genetic manipulation, providing insights into plant responses to climate change. The method has the potential to improve crop resiliency and inform agriculture optimization.
A new study by CABBI researchers has identified the types of microbes associated with engineered oilcane, revealing diverse microbial associations that could increase oil yields for sustainable bioenergy production. The findings suggest that plant-microbial interactions play a key role in determining the composition of the microbiome.
A study reveals that a bacterium produces two molecules to keep microbial competitors at bay, giving it an advantage in colonizing and dominating the root niche. This finding has implications for developing biologicals in agriculture and understanding the inner workings of the plant microbiota.
A study published in Nature Communications reveals that microbes living on the leaves of perennial crops like miscanthus and switchgrass play a crucial role in plant resilience. The research identifies specific microbial functions that could be targeted for future management, promoting crop growth and reducing environmental impact.
Researchers developed a novel strategy to engineer root nodule symbiosis in legumes and cereals using nanobodies. This approach, tested in barley and Lotus plants, initiates nodulation by bringing receptors together, revealing the core complex involved in symbiotic signaling.
A recent study discovered a legume locus that stimulates promiscuous interaction with soil bacteria, forming nitrogen-fixing nodules with up to 30 different rhizobial strains. This finding opens the door for crop improvement by naturally promoting plant growth through symbiotic associations.
Wild potato varieties have evolved multiple resistance factors to combat pathogens like Pectobacterium species. Researchers have identified protease inhibitors that prevent bacterial malignance by interrupting their communication system and degrading plant cell walls.
Researchers from SPUN mapped the diversity of mycorrhizal fungi across Palmyra Atoll, finding unique nutrient feedback loops that support rainforests, plankton communities, and coral reefs. The study highlights the importance of these underground networks in maintaining ecosystem resilience to climate change.
A study characterizes secreted proteins from Candidatus Liberibacter solanacearum, a newly emerging pathogen of tomato and potato. The proteins, called effectors, offer clues into the manipulation tactics used by the bacterium to subdue its plant host.
A recent study by Zhenzhen Zhao and colleagues found that Arabidopsis plants lacking Acyl Carrier Protein 1 (ACP1) are more resistant to bacterial pathogen Pseudomonas syringae. ACP1 is essential for maintaining hormone homeostasis, which affects plant stress responses.
A recent study led by Eliza Loo found that plant immune receptors and signaling components confer salt tolerance even in plants challenged by non-pathogenic microbes. This suggests that plants can sense and initiate adaptive responses to abiotic stresses upon detecting alterations in cues presented by plant-inhabiting microbes.
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.
A study found that plant genetic variability controls specific microorganisms, influencing microbial community composition and plant reproductive success. The research used Arabidopsis thaliana genotypes and metabarcoding DNA sequencing to analyze the impact of genetics on leaf microbiota.
New research finds that plants with shorter-lived flowers produce more fruits due to reduced microbial growth. Microbes on flowers can negatively impact plant yields.
West Virginia University researchers are exploring the symbiotic relationship between Miscanthus x giganteus and its microbes to improve the crop's resilience in unpredictable climates. The goal is to determine the best way to manage the plant on marginal soil, which could help restore damaged soils and mitigate climate change.
A new study reveals that corn varieties respond differently to herbivory in the presence or absence of a soil bacterium. The researchers found that only one type of maize increased its production of volatile compounds when exposed to the bacterium.
A new study reveals that salt marsh grass in Georgia's coast relies on beneficial bacteria in its roots to access nutrients, improving plant productivity. The research provides insights into the importance of soil microorganisms in maintaining ecosystem health and supporting restoration efforts.
A study discovered that fungus Cyanodermella asteris synthesizes valuable compounds in plant Aster tataricus, influencing its growth. The interaction reveals a two-way dialogue between the microbe and host, with the fungus producing beneficial compounds while also being influenced by plant hormones.
A University of Ottawa review provides the first field-wide summary of how pesticide exposure affects social bee gut microbiotas. The study found that pesticides disturb microbial communities, leading to a loss of benefits and potential decline in bee health and performance.
A new study reveals that Xanthomonas euvesicatoria has evolved to evade the immune system of tomato plants by changing a single amino acid in its flagellin proteins. This finding poses significant challenges for breeding disease-resistant tomato varieties, forcing farmers to rely on fungicides and copper treatments.
Researchers have created a new approach to edit genes within specific bacteria in a community using CRISPR-Cas9, enabling targeted genetic modifications. This technology could be used to track edited microbes and potentially treat diseases like digestive issues or create more resilient crops.
A new study published in Applications in Plant Sciences highlights the negative effects of clearcutting on mycorrhizal fungi, showing less diversity in formerly deforested areas. High-throughput sequencing reveals over 300 distinct fungal lineages in soil and root samples, shedding light on ecosystem health.
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 at UC Berkeley have developed a new CRISPR editing technology that enables simultaneous editing of genes in multiple cell types and species within a microbial community. This approach, called community editing, has the potential to track edited microbes and understand their functions within complex ecosystems.
A new optical instrument will provide clearer images of the rhizosphere, enabling scientists to study chemical and biomolecular interactions between plants and soil. This research aims to mitigate the effects of climate change and develop more sustainable fuels and fertilizers.
A complex microbial community comprising bacteria, fungi, and oomycetes is beneficial for plant growth. Inactivation of the plant innate immune system shifts this balance, making the fungal load a primary cause of disease. Bacterial partners residing in roots provide an additional layer of protection.
A new study explores how plants respond differently to useful and harmful microbes, revealing that accessory chromosomes from fungal strains dictate these responses. Most plant genes are expressed similarly in response to both beneficial and pathogenic fungi, but with key differences occurring just 12 hours after interaction.
A new viral disease caused by Tomato brown rugose fruit virus (ToBRFV) has emerged, threatening global tomato production. ToBRFV overcomes the durable Tm-2² resistance gene, which had remained unbroken for over half a century.
Researchers found that clover grown with symbiotic nitrogen-fixing bacteria in Martian regolith experienced significant 75% more root and shoot growth compared to uninoculated plants. However, the regolith showed no excess production of nitrogen compounds, suggesting a potential role for these microbes in terraforming Mars soils.
Researchers investigate Pseudomonas cannabina pv. alisalensis (Pcal) interaction with cabbage and oats, discovering coronatine (COR) suppresses salicylic acid to aid pathogen growth. This finding opens doors to new disease control strategies.