Articles tagged with Plant Signaling
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Plants deploy a faster communication system, using jasmonate-dependent immune signals to initiate systemic immunity within hours of infection. This discovery opens new possibilities for engineering crops that respond more quickly to infection, limiting disease spread and yield loss.
Plant biologist Masatsugu Toyota receives international recognition for his discovery that plants sense danger through airborne chemicals and warn their neighbors. His work reveals advanced sensory networks rivaling animal nervous systems, challenging traditional views of passive organisms.
A subset of epidermal cells in plant leaves serve as 'first responders' to chemical cues from bacterial pathogens, warning neighboring cells about the presence of an attacker. This local wave of calcium ions differs from those generated by wound-induced cellular damage, indicating distinct mechanisms for specific types of pathogen attack.
This study found that Japanese plantain plants utilize interplant cueing, exchanging adaptive information via shoot and root systems to cope with salt stress. The study revealed differences in the effectiveness of below-ground cueing based on genetic relatedness, suggesting genetically specific root-metabolites are involved.
The winners of the Applied Microbiology International Horizon Awards 2025 have been recognized for their groundbreaking contributions to global challenges through applied microbiology. The awards celebrate excellence across various domains, including drug discovery and sustainable agriculture.
The Jane Silverthorne Postdoctoral Fellowship Program provides comprehensive support for groundbreaking research in plant science. The program aims to nurture innovative scientists and foster collaboration between disciplines.
David Stern, a Senior Group Leader at Janelia Research Campus, joins Stowers Institute to uncover new avenues of biology with enormous implications. His lab discovered 'bicycle proteins' that trick plants into growing protective homes for aphids, shedding light on the battle between plants and insects.
Researchers found that bean plants and other species evolved a predisposition for the symbiosis at least three times, supporting a long-standing theory. This biological trick allows plants to access atmospheric nitrogen, boosting crop yields.
Researchers from the University of Cambridge have discovered a unified model that explains how plants control their architecture by integrating local and systemic signals. This breakthrough could help scientists design new strategies to optimize crop yield, resilience, and resource use.
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.
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.
A comprehensive guide to improve plant imaging workflows, addressing unique challenges such as waxy cuticles and autofluorescence. The resource provides a unified workflow framework, focuses on reproducibility and reporting standards, and offers practical illustrations and tools.
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.
A recent study has revealed that the diploidization process in plants can be both episodic and gradual, depending on the type of mutation. The researchers used population genomics to uncover a nuanced picture of this process, including gene fractionation, transposable element accumulation, and homoeologous expression bias.
A new study by University of British Columbia researchers suggests the summer solstice is an optimal day for plant growth and reproduction. However, in a changing climate, relying on this fixed signal may no longer help plants to survive or thrive.
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 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.
A Kobe University team has identified a new molecule, solanoeclepin C, that plants secrete to attract soil microbes. This newly found compound is converted into hatching factors that cause potato cyst nematodes to hatch prematurely, potentially offering a novel approach to parasite control.
Researchers have discovered a way to enhance wheat plants' sugar signalling ability, increasing yields by up to 12%. The new technology uses a Trehalose 6-phosphate pre-signalling molecule to activate the pathway for starch synthesis, leading to increased photosynthesis and grain filling.
The study reveals that CBL-CIPK complex senses specific Ca2+ signals, phosphorylates ZIP12, and initiates its partial degradation to fine-tune the plant's response to Zn deficiency environments. This negative feedback mechanism effectively regulates zinc homeostasis and maintains efficient resource utilization.
A study co-authored by an Iowa State University professor identified a single protein that triggers chemical signals called effectors in cyst nematodes, which hijack plant cells. Disrupting this protein could severely reduce nematode infections, making it a powerful method for reducing crop damage.
A new study from the University of Oxford reveals that a molecule called glycosyrin, produced by the bacterium Pseudomonas syringae, mimics galactose to suppress plant immune responses. This finding has potential medicinal applications and highlights the complex strategies used by bacteria to manipulate host plants.
Researchers identify CLE16 peptide as key molecule promoting symbiotic relationship between plants and beneficial soil fungi. Supplementing with this peptide or its fungal equivalent can enhance nutrient exchange and strengthen these traits in crops.
A new plant tissue has been discovered in plants essential for seed formation, which can increase crop yields. The 'Kasahara Gateway' structure functions as a gateway and is regulated by a gene called AtBG_ppap.
Scientists at UC Riverside discovered a way to exploit parasitic plant hormones to induce
Researchers have created a wearable patch for plants that quickly senses stress and relays the information to growers. The patch detects hydrogen peroxide, a key distress signal caused by pests, drought, extreme temperatures, and infections, allowing for early detection and tailored care.
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.
A study found that caterpillars of two species interact solely with one ant species each, secreting a sugary liquid for recognition and protection. However, switching the pairings led to aggressive attacks from ants, highlighting the specificity of these interactions.
A study by researchers at the University of Kentucky has found that plant immune responses and human neurological health share common biochemical pathways. This discovery highlights the importance of plant-based diets for essential vitamins and amino acids, and suggests a link between disruptions in amino acid metabolism and human health.
Researchers have identified a conserved mechanism to protect plant vacuoles from rupturing due to cell wall damage. The study found that the molecule ATG8 is relocated to the vacuole membrane upon disruption of the cell wall, helping to maintain pressure balance.
A team of researchers has identified a calcium-activated bi-kinase module as the central molecular switch driving plant immune response. This discovery sheds light on how plants transmit immune signals from cell to cell without disrupting other signalling chains, using reactive oxygen species and calcium signals.
A new study led by University of Oxford suggests that plants are more likely to be eavesdroppers than altruists when tapping into underground networks. The study found that it is unlikely that plants would evolve to warn other plants of impending attacks, instead finding that plants may signal dishonestly to harm their neighbors.
Scientists at University of California - Riverside discovered a chemical produced by plants that prevents bacterial biofilm formation. This breakthrough offers potential advances in healthcare and industrial settings, where biofilms cause significant problems.
Understanding plant-to-plant communication through VOCs can lead to innovative strategies for crop protection and yield improvement, potentially revolutionizing sustainable agriculture. This review explores the molecular pathways behind this complex biochemical strategy and its potential applications.
Plant roots use a silent molecular 'language' to direct fungi to attach, providing phosphates. Researchers discovered that strigolactone activates fungal genes associated with phosphate metabolism, leading to new strategies for cultivating hardier crops and combatting disease-causing fungi.
Researchers at the University of Cambridge found that flowers like hibiscus use an invisible blueprint to dictate the size of their bullseyes, which can significantly impact their ability to attract pollinating bees. Larger bullseyes are preferred by bees and can potentially boost efficiency for both bees and blossoms.
The study reveals that light-sensitive channels can be used to target specific ion signals in plants, allowing for the comparison of different signaling pathways. This breakthrough enables researchers to investigate plant stress responses in greater detail.
Researchers discovered zinc's crucial role in nitrogen fixation of legumes, optimizing crop efficiency and reducing synthetic fertilizer reliance. This finding could enhance nitrogen delivery, improve yields, and promote sustainable agricultural practices.
Researchers identify REF1 as a key local wound signal governing plant regenerative responses. Its application has improved transformation efficiency in crops like soybeans and wheat.
Researchers observe internal reproduction process of Arabidopsis plant, revealing mechanism behind female flower's selective attraction to a single male counterpart. The study also uncovers a repulsion signal that discourages additional pollen tubes from approaching.
Researchers have discovered the detailed mechanism of sugar signaling in plants, which involves a protein called KIN10 that acts as a 'sensor kinase' controlling biochemical pathways. The study reveals how sugar levels affect plant growth and oil production, providing insights into potential engineering of proteins to increase oil prod...
Researchers from the University of Copenhagen discovered that a biological mechanism called autophagy plays a key role in plant root growth. By understanding how plants control their root growth, scientists can develop climate-resilient crops to thrive in harsh conditions.
Researchers have determined the molecular level function of free-forming structures in plant cells that help sense light and temperature, enabling plants to distinguish a range of different light intensities. The formation of these organelles is not random but is linked to specific locations within the cell, particularly near centromeres.
Astronomers have discovered a new black hole behavior where a smaller black hole repeatedly punches through the disk of a larger black hole, releasing plumes of gas. The findings challenge conventional views on black hole accretion disks and suggest they may be more varied in their contents.
Researchers utilized femtosecond X-ray crystallography to track structural alterations in PSII after laser flash illumination. The findings revealed intricate dynamics of electron transfer, proton release, and substrate water delivery, providing insights into the mechanisms underlying oxygenic photosynthesis.
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.
A team of researchers identified interactions between four compounds governing plant cellular processes in response to stress signals. Liquid-liquid phase separation plays a crucial role in coordinating cellular pathways, allowing plants to thrive and survive in adverse conditions.
Researchers discovered IMA peptides facilitate iron transport to root nodules for nitrogen fixation in legume plants. These peptides maintain nitrogen homeostasis and regulate plant growth in response to increased nitrogen concentrations.
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.
A team of researchers from Okayama University discovered the recognition mechanism behind the repair of damaged photosystem II protein D1 by FtsH protease. Oxidized tryptophan amino acid residues play a critical role in this process, and understanding their function is essential for improving crop tolerance.
Researchers have identified a previously unknown endogenous acid sensor in plant cells that responds to changes in pH levels. The acid sensor triggers the release of calcium ions from an endoplasmic reticulum, which activates cellular responses to external stimuli such as infections or drought.
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 ROP proteins evolved during the transition from unicellular to multicellular plant life. ROP proteins are highly conserved between land plants and streptophyte algae, excluding certain species. The study suggests that ROP signaling may have contributed to the evolution of multicellularity in plants.
Researchers have discovered that the waxy protective barrier around plants plays a role in sending chemical signals to other plants and insects. This discovery might eventually be harnessed to develop stronger plants that can deal with challenging environmental conditions.
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 new study reveals that chloroplasts are essential for plant immunity, with stromules forming around the nucleus to transport pro-defense signals. Researchers have identified a key protein involved in stromule biogenesis during immunity, opening up new avenues for understanding and engineering resistance to pathogens.
Researchers at UC Riverside successfully engineered a plant to turn beet red in the presence of a banned pesticide, enabling an environmental sensor without damaging its native metabolism. This breakthrough opens up possibilities for detecting other toxic substances like drugs and birth control pills in water supply.
Plant researchers visualized real-time plant-plant communication through airborne volatile organic compounds (VOCs), revealing a Ca2+ dependent defense response mechanism. The study found that specific VOCs, such as (Z)-3-hexenal and (E)-2-hexenal, induce Ca2+ signals in plants, activating defense responses.
Researchers at Kyoto University discovered that liverwort Marchantia polymorpha uses gibberellin precursors to produce a signaling molecule aiding survival under shaded conditions. This metabolic pathway inheritance provides insight into the evolution of plant hormone responses.