Articles tagged with Plant Physiology
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.
Chlorophyll fluorescence tracks photosynthesis rate, providing an 'optical window' for monitoring plant health. Recent advances enable estimation and imaging of SIF at ecosystem scales, paving the way for applications in precision agriculture and ecology.
In Ecuador's northwestern Andes, researchers from WSL and Aves y Conservation identified three new endemic orchid species, including Lepanthes microprosartima and Lepanthes caranqui. These rare species are threatened by habitat destruction and human activities, prompting conservation efforts to protect them.
Researchers have provided a detailed characterization of brain cortical cell diversity using Patch-seq technique. The study suggests that neurons within broad genetic families exhibit extensive anatomical and physiological diversity, highlighting the complexity of the brain's neural network.
A $10 million project will improve cassava's biomass and starch yield using metabolic engineering and genomics. The goal is to secure food supply for a growing world population, particularly in Sub-Saharan Africa.
The Scandinavian Plant Physiology Society (SPPS) has renewed its partnership with Wiley over sixty years ago. The journal Physiologia Plantarum, an international thought leader in plant physiology, benefits from the collaboration. With a global focus and members from various countries, SPPS promotes experimental plant biology research.
Scientists at Virginia Tech and Purdue University have identified a distinct transporter, NUP1, used by tobacco plant cells for nicotine metabolism. This discovery provides new insight into the production of medicinal alkaloid compounds and could enable bioengineering of medicinal plants to produce optimal amounts.
Researchers analyze structure and physiology of trees as they grow, revealing how older, larger trees respond to environmental changes like CO2 levels and drought. The study sheds light on how these changes affect tree species distributions as the climate shifts.
Scientists have identified specific DNA fragments in tomatoes that influence their nutritional content and taste. By analyzing these fragments, researchers can develop targeted breeding strategies to create healthier and tastier tomatoes.
A Swedish research team has identified a protease that degrades the LHCII protein, which is responsible for the green color of leaves. This discovery sheds light on the plant's recycling process and how it prepares for winter.
Researchers found that plants grow more and longer secondary roots on the non-self side, suggesting a mechanism based on physiological coordination. This coordination might involve internal pulsing of hormonal or electrical signals that desynchronize when plants are separated.
The June issue of Plant Physiology features UCR's Center for Plant Cell Biology, which addresses fundamental questions in plant biology through interdisciplinary approaches. The center's work has significant implications for understanding plant cell function and responses to environmental changes.
Research by Professor Anurag Agrawal reveals that plants can detect the difference between various insect species and respond accordingly, adjusting their growth, behavior, and chemical defenses. In turn, insects adapt their phenotype and physiology to better digest the plant, highlighting a flexible co-evolutionary strategy.
Prominent plant scientists share their perspectives on genetically modified crops, exploring their potential to address world hunger and improve nutrition. The publication addresses concerns over safety, regulation, and social impact, offering a science-based understanding of the GMO controversy.