Articles tagged with Plant Physiology
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Researchers at Salk Institute found that higher temperatures drain plants of important dietary nutrients like nitrogen and phosphorus, affecting their long-term sustainability. The study's findings will inform the engineering of climate-resilient crops to address global warming's impact on food production.
In this study, researchers identified PIF transcriptional regulators and KAT1 gene as essential players in regulating stomata aperture during day/night cycles. This understanding can be used to optimize plant yield and adaptation to different stressors, such as drought conditions.
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.
A study published in Frontiers in Plant Science reveals that leaf lipid droplets contain myosin-binding proteins and enzymes associated with furan-containing fatty acid biosynthesis. This discovery paves the way for future research into leaf lipid droplet functions, potentially leading to advancements in lipid production technology.
Scientists at Nagoya University have discovered a novel regulatory mechanism controlling plant stomatal opening in response to red and blue light. Phosphorylation of Thr881 activates the plasma membrane proton pump, facilitating stomatal opening and enhancing photosynthetic activity.
A study found that weedy rice's promiscuity allows it to crossbreed with wild rice, enabling it to adapt and outcompete cultivated rice. This process, called adaptive introgression, has contributed to the evolution of Southeast Asian weedy rice.
A team of University of Copenhagen researchers has created a large reference catalogue of plant cell wall compositions from 287 species, representing the entire plant kingdom. The study reveals that carbohydrate composition is more closely related to a plant's family history than its habitat and growth form.
A recent study by Tokyo University of Science researchers has uncovered the mechanisms by which plants regulate the production of reactive oxygen species (ROS). The findings, published in Physiologia Plantarum, reveal that ROS-generating enzymes are activated through two conserved mechanisms involving calcium ions and phosphorylation, ...
A new study by researchers at the University of California, Davis, reveals that tomato plants produce a water-repellent polymer called exodermal suberin to cope with drought. Without it, tomato plants are less able to withstand water stress.
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 at the University of Copenhagen have found that quinoa's 'bladder cells' do not protect against salt and drought, but instead serve as a barrier against pests and diseases. The discovery could lead to more resilient quinoa varieties for global cultivation.
Researchers at Michigan State University discovered that plants have fine-tuned systems to deal with varying day lengths. To survive, they adjust their photosynthetic rate and energy allocation.
A new study published in Conservation Physiology identifies the critical limits of plant function under stress, enabling more effective conservation strategies. By understanding these limits, conservationists can identify vulnerable species and allocate resources more wisely.
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.
X- and y-type thioredoxins play a crucial role in maintaining the redox balance of photosynthesis during fluctuating light conditions. The study found that these proteins facilitate electron transport through the electron transport chain, preventing photoinhibition and promoting plant growth.
Researchers at the University of Oxford's Botanic Garden and Mathematical Institute have found that the shape, size, and geometry of pitcher plants determines the type of prey they trap. The study showed that large, flared rims are suited to capturing walking insects such as ants.
A research team at Ritsumeikan University has identified the elusive ApiT gene in celery, crucial for apiin synthesis. The discovery may pave the way for efficient biosynthesis of apiin, a compound with potential health benefits and medicinal uses.
Researchers at Cornell University have discovered a mutation in the MdLAZY1A gene responsible for the 'weeping' growth pattern in apple trees. This finding could lead to more productive and labor-saving orchards by allowing branches to grow downwards, thereby increasing resource allocation towards reproductive growth.
Researchers found that most US forests have the potential to adapt to hotter, dryer conditions, but are not changing quickly enough. The study suggests that biodiversity can buffer the impact of climate change on forests.
Researchers found that tobacco hornworm caterpillars introduce an enzyme into plants during feeding, modifying the plant's fragrance to attract predators. This interaction may be beneficial for the caterpillar's development, outweighing any costs associated with its interaction with the plant.
Researchers at the University of Nebraska-Lincoln have identified new genes that regulate the surge protector in plants, which can help increase photosynthesis efficiency and boost corn yields. The discovery could lead to breeding plants better equipped to capitalize on yield-boosting sunlight.
Researchers updated their protein localization prediction model, MULocDeep, to provide more targeted predictions for biological discoveries. The tool helps researchers design more effective experiments and advance scientific discoveries related to drug development and treating diseases like epilepsy.
Research found that drought can increase tree growth in cold, harsh environments due to its impact on energy-limited systems. The study's results provide insights into how different tree species and ecosystems will respond to climate change, particularly in water-limited regions.
A research group led by Osaka University found that plant mesophyll cells can detect mechanical pressure and differentiate into epidermal cell types via ATML1 gene upregulation. This study reveals the mechanisms involved in plant regeneration and offers new insights into position-dependent cell fate determination.
A new Japanese 'ladies tresses' orchid, Spiranthes hachijoensis, has been found in private gardens and on balconies. The discovery suggests that other new species may be hidden in common environments, eliminating the need for remote tropical rainforest expeditions.
Researchers discover a mechanism for shaping tissue boundaries during Arabidopsis root vascular tissue development. Positionally biased cell proliferation generates anisotropic compressive stress field, symmetrizing the boundary between xylem and procambium cells.
Researchers from Xi'an Jiaotong-Liverpool University identify vital differences between the plants, including pollinators and lifespan, confirming their classification. The study highlights the importance of recognizing every species for conservation programs.
Phytochromes play a dual role in seed germination of Aethionema arabicum, stimulating but also inhibiting germination. The study reveals that high light intensity and duration inhibit germination, while short exposure favors germination, indicating a genetic basis for adaptation to environmental requirements.
The rediscovery of Thismia kobensis, a rare Asian fairy lantern species, provides new insights into its taxonomy and evolutionary history. The study reveals that the species has unique characteristics and may have evolved independently from other fairy lantern species.
A recent study has solved a 25-year-old enigma by revealing the role of UFO protein in flower formation. The protein aids LEAFY protein in activating genes responsible for bud formation and petal development when combined. This discovery was made using plant genetic experiments, bioinformatics analyses, and protein imaging.
A new study by University of California, Davis researchers reveals that the internal circadian clock in sunflowers coordinates florets to open in concentric rings, attracting more pollinators. The study found that continuous light disrupts this pattern, leading to fewer pollinator visits.
A new study reveals that marimo algae balls are susceptible to photoinhibition when exposed to high light intensities and low water temperatures. Researchers found that while the algae can recover from brief periods of bright sunlight, prolonged exposure leads to cell damage and death.
A study by researchers from the University of Tsukuba found that treating cabbage leaves with multiple amino acids can prevent disease caused by Pseudomonas cannabina pv. alisalensis, a bacterium that causes blight in brassica crops. The amino acids trigger stomatal closure, reducing bacterial entry and disease symptoms.
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.
Researchers at Saitama University reveal how and why the sensitive plant Mimosa pudica moves its leaves rapidly through calcium-mediated signaling molecules. The study found that bursts of fluorescence travel rapidly throughout the leaves, triggering leaf movements.
Researchers developed a small peptide that can directly kill bacteria and trigger plant defense tactics to prevent diseases like almond leaf scorch. The treatment significantly reduces pathogen population and disease symptoms, making it a promising approach for sustainable crop protection.
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.
Researchers have discovered a key link between warmer early winters and reduced crop yields in oilseed rape plants. The study found that colder temperatures during late November/early December promote faster growth and higher yields, while warmer temperatures result in lower yields.
A team of researchers has discovered a way to improve the water-use efficiency of field-grown plants by overexpressing a sugar-sensing enzyme in their leaves. This breakthrough could lead to increased crop yields and reduced reliance on irrigation, making it an attractive solution for farmers struggling with water scarcity.
Researchers have identified a family of proteins called PIN-FORMED as essential for auxin transport, guiding plant growth and development. The discovery provides the first structural basis of auxin transport by PIN proteins and sheds light on how herbicides can be recognized by these proteins.
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.
Great Salt Lake wetland plants can accumulate hazardous metal pollution, which can be passed up the food chain to herbivorous insects. This study found high concentrations of lead, mercury, and other metals in plant tissues, threatening terrestrial ecosystems.
A new study published in Science Advances reveals that the environmental stress of too much water wipes out the plant growth benefits of higher CO2 levels. Rising sea levels have caused the effects of increased CO2 to disappear in a 33-year field experiment, highlighting the critical need for conservation and adaptation efforts.
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 discovered that redwood trees have two functionally distinct leaves: one type specializes in converting sunlight into sugar through photosynthesis, while the other absorbs water. This adaptation allows the world's tallest trees to survive in a range of conditions, from wet forests to dry environments.
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.
Researchers have identified an important element for electrical communication in plants: the ion channel TPC1. The study reveals how this channel is switched on and off, controlling electrical excitation in plant cells. Understanding TPC1-dependent processes can help better understand similar mechanisms in animal cells.
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.
Scientists have identified a novel chemical defense mechanism in tobacco plants that provides permanent resistance to Empoasca leafhopper pests. The study revealed a new volatile compound called caffeoylputrescine-green-leaf-volatile compound (CPH) responsible for this resistance.
A new Stanford University study reveals that communities near the West's wildland-urban interface are vulnerable to wildfires due to drought-sensitive ecosystems. The research identifies 18 'double-hazard' zones where plant-water sensitivity and atmospheric dryness create high wildfire risks.
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.
The newly discovered Begonia giganticaulis, a type of plant genus Begonia, has been found to be the tallest species in Asia, reaching heights of up to 3.6 meters. Its conservation status is currently listed as Endangered due to its fragmentary distribution in southern Tibet.
Researchers have identified a tiny region at the root tip responsible for orchestrating vascular tissue growth. The study provides detailed insights into how plants construct phloem cells, the tissue that transports sugars, revealing key mechanisms involved in plant function and development.
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 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 at Dartmouth College have identified proteins PYE and ILR3 that help protect plants from damage during iron deficiency. These proteins enable the plant to optimize its light protection mechanisms, allowing it to continue photosynthesizing without suffering tissue damage.
A recent study explores the plant immune system using chimeric maize leaves with an auto-active R protein. Researchers found that Rp1-D21 triggers a defense response without recognition events, leading to cell death in affected areas but not neighboring cells.
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.