Articles tagged with Abscisic Acid
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A new review highlights how exogenous phytohormones can strengthen sugarcane's ability to cope with both drought and waterlogging. Emerging technologies like robotic systems and nanotechnology are being developed to deliver hormones precisely when and where they are needed.
Plant scientists have discovered how abscisic acid (ABA) and auxin influence root growth angles in cereal crops like rice and maize to seek deeper water reserves. This mechanism could lead to developing drought-resistant crops with improved root system architecture, addressing global food security concerns.
Researchers discovered that plants employ ABA to close stomata, obstructing spider mites' entry points and significantly reducing pest damage. The closure of stomata also coincides with the production of ABA, a hormone linked with drought response.
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.
Researchers at Sainsbury Laboratory Cambridge University have found a shoot-to-root signalling pathway triggered by dry air, which tells roots to continue growing and searching for water deeper in the soil. This pathway allows plants to maintain root growth despite reduced photosynthesis and humidity.
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.
A recent study reveals that the SD6/ICE2 molecular module regulates seed dormancy in rice, controlling abscisic acid homeostasis. By editing this gene, researchers improved pre-harvest sprouting resistance in both rice and wheat, offering a promising strategy for improving crop yields.
Researchers discovered that ABA inhibits stomatal production by phosphorylating the master regulator SPEECHLESS, reducing its levels and leading to decreased stomatal number. This finding could lead to fine-tuning crop plants' drought tolerance through targeted manipulation of the underlying 'code'.
Researchers have developed innovative tests for multiple chemicals using plant-based molecules that can detect synthetic cannabinoids and banned pesticides. The system uses a simple and inexpensive approach to quickly signal the presence of nearly 20 different chemicals.
Researchers at NTNU identified a molecular component, THE1, required for modulating cell wall stiffness and abscisic acid production in plants. This finding provides novel insights into plant adaptation to drought and changing environments, with potential benefits for agriculture.
Researchers at Tel Aviv University discovered a central mechanism in plants that helps them deal with drought conditions and water shortages. They found that the ABA signal molecule is stored in inactive state in leaves and released under desired conditions, allowing plants to rapidly respond to changing environmental conditions.
Researchers found that genetically identical seeds can have varying germination times due to the ABA-GA network, which allows for a 'bistable switch' behavior. This variability in germination time can be beneficial for plants growing in unpredictable environments, such as agriculture and natural areas.
A new study found a significant shortage of therapists to treat children with autism, with substantial variation across states and regions. The study suggests that higher public education spending and median household income are associated with more certified Applied Behavior Analysis (ABA) providers per capita.
A UC Riverside-led team has developed a chemical to help plants retain water, reducing crop losses from drought. The new compound, Opabactin, is more effective than earlier versions and works quickly, allowing farmers to manage crop performance.
Researchers have created a synthetic abscisic acid (ABA) mimic, opabactin, nearly 10 times more effective in manipulating crop water use than natural ABA. The molecule demonstrates high potency in wheat and tomato plants and provides long-lasting protection against underwatering.
In a balancing act between drying out and starving in dry conditions, plants use an elaborate network of sensors to regulate their carbon dioxide uptake. The study reveals that guard cells have sensors for CO2 and ABA, allowing them to measure photosynthesis and water supply, and adjust the stomata accordingly.
The Department of Defense is providing $7 million to investigate the effectiveness of Applied Behavior Analysis (ABA) interventions for young children with autism spectrum disorder (ASD). Researchers aim to tailor ABA approaches to individual needs and explore lower intensity alternatives.
Scientists at Kobe University found a unique protein in Striga hermonthica that enables it to steal water and nutrients from its hosts. The team identified the ShPP2C1 gene, which blocks ABA signaling and allows high transpiration rates, leading to new potential control methods for this devastating parasitic weed.
Scientists have found that jasmonic acid triggers the quick closure of stomata, a crucial mechanism for plants to conserve water during drought stress. The discovery also reveals a molecular crosstalk between jasmonic acid and abscisic acid, two key plant hormones involved in regulating stomatal conductance.
A team of scientists at RIKEN Center for Sustainable Resource Science in Japan has discovered a gene regulator called NGA1 that allows plants to rehydrate after drought. The study found that NGA1 controls the transcription of a key gene NCED3, ultimately enabling plants to survive dehydration stress.
A new study explores the role of race/ethnicity in training experiences among minority resident physicians, revealing common scenarios including routine bias and lack of institutional support. The research highlights challenges faced by these physicians in balancing professional and personal identity.
Researchers at Nagoya University have discovered new compounds that can control stomatal movements in plants, preventing leaves from drying up and suppressing withering. These compounds could lead to the development of agrochemicals for drought tolerance and extend the freshness of cut flowers.
Researchers at RIKEN Center for Sustainable Resource Science discovered a small hormone, CLE25, that moves from roots to leaves to prevent water loss. The study shows how CLE25 induces ABA synthesis and closes pores in leaf surfaces.
Researchers at Northwestern University found that infants as young as 3 months old can detect and generalize visual patterns, solving a puzzle about their cognitive abilities. The study demonstrates that infants are capable of learning abstract rules visually, indicating an early origin in infancy.
Researchers suggest that plant hormones produced by plants can be synthesized by gut microbes, influencing inflammatory diseases. Consuming ABA-rich fruits and vegetables may help alleviate aspects of diabetes.
In South Carolina, a two-tiered screening process identified children with autism spectrum disorder eligible for early intensive behavioral therapy, leading to a significant increase in treatment. This policy change demonstrates the importance of early intervention in improving social interaction and communication among children with ASD.
Researchers found that the plant hormone ABA did not yet regulate water balance in early land plants like ferns. Instead, it played a key role in sex determination. The study suggests that the evolution of ABA's function changed as plants transitioned to flowering plants.
Researchers discovered that abscisic acid (ABA) promotes femaleness in ferns, which is linked to spore dormancy. ABA also plays a key role in regulating stomate function in flowering plants, allowing them to conserve water during drought. This study sheds light on the evolution of plant hormones and their roles in ancient species.
Scientists have discovered that certain plants resistant to a hormone called abscisic acid (ABA) can grow better than normal neighbors during droughts. ABA-resistant varieties may hold the key to breeding 'stay green' traits in crops, which could help them retain their leaves and continue to produce food and other essential resources.
A study published by University of Delaware plant scientists has identified a stress hormone that appears to increase the virulence of the rice blast fungus. The research may lead to new control methods for the devastating disease.
A new study published in The FASEB Journal suggests that low doses of abscisic acid can reduce glycemia and insulinemia in both rats and humans. This finding has implications for developing new pharmacologic approaches to prevent or treat diabetes.
Researchers discovered a network of transporters involved in controlling hormone ABA transport to seed embryos, ensuring optimal germination timing. This knowledge can be integrated into breeding programs to prevent premature germination and reduce economic losses.
A team of scientists led by Sean Cutler at UC Riverside successfully repurposed an agrochemical to enhance plant drought tolerance. The researchers engineered plant receptors to respond to mandipropamid, a widely used agricultural chemical, and found that the plants effectively survived drought conditions.
Research found that abscisic acid (ABA) treatments can increase calcium concentrations in tomato fruit, reducing the risk of blossom-end rot. ABA applications were effective in early stages of plant development, but additional treatments may be needed for later stages.
Researchers at Carnegie Institution have developed a new method to measure abscisic acid levels in individual plant cells, shedding light on the hormone's role in plant stress responses. This breakthrough tool has the potential to improve crop yields and inform strategies for mitigating the impacts of drought and climate change.
Researchers have developed nanosensors to track the movement and distribution of the plant hormone abscisic acid (ABA) within plants. This allows for better understanding of ABA's role in drought resistance and plant growth under environmental stress, enabling future studies on how ABA helps plants respond to drought and other stresses.
A new study by University of Rochester researcher Maya Sen finds that the American Bar Association systematically awards lower ratings to minorities and women than to white or male candidates. This has significant implications for representation in federal courts, with African Americans being 42 percentage points less likely to receive...
A UC Riverside-led team has discovered a new chemical called quinabactin that mimics a naturally occurring stress hormone in plants to improve drought tolerance. This breakthrough could provide a powerful tool for farmers to protect their crops under extreme weather conditions.
A head-to-head trial shows that subcutaneous abatacept is as effective as adalimumab in clinical and functional outcomes for patients with active rheumatoid arthritis. The study found comparable efficacy and safety profiles between the two treatments, with fewer injection site reactions in the abatacept group.
Researchers at Virginia Tech have discovered that abscisic acid has anti-inflammatory effects in both the lungs and gut, which could lead to a novel way to combat inflammatory disease. This compound may offer a safer alternative to existing treatments for influenza by targeting the immune response rather than the virus itself.
A newly identified type of astrocyte cell displays atypical behavior and causes motor neuron death, suggesting a new target for ALS therapies. The discovery offers hope for slowing or stopping the progression of this devastating disease, affecting 30,000 Americans.
Scientists at Virginia Tech uncover how abscisic acid, a natural plant hormone, fights inflammation by interacting with the lanthionine synthetase C-like 2 protein. This alternative mechanism avoids known adverse side effects of existing drugs, paving the way for new treatments.
Researchers at Medical College of Wisconsin and University of California, Riverside create synthetic chemical mimicking abscisic acid to improve crop resistance to drought. The discovery paves the way for developing new molecules that activate or turn on receptors.
Plant scientists have made a significant advance in developing drought-resistant crops by understanding how the synthetic chemical pyrabactin works. By identifying subtle differences between receptors in their binding pockets, researchers can now develop more effective chemicals for bringing drought-resistance to plants.
Researchers at Washington University in St. Louis study how mosses adapt to dehydration, revealing the role of ABA and ABI3 signaling pathways. They identify 22 genes that are upregulated during dehydration and discover that these genes are also expressed during rehydration, but only in wild-type moss.
Scientists discovered how plant hormone ABA interacts with protein PYR1 to trigger drought response. This interaction enables PP2C molecules to be hijacked, allowing plants to increase water uptake and storage while decreasing water loss. The study offers new approaches for increasing crop tolerance to water shortages.
Researchers at Scripps Research and UC San Diego have solved the structure of a critical molecule that helps plants survive during droughts. The study provides important clues about how hormones regulate crucial physiological responses in humans, potentially improving crop yields worldwide.
A new synthetic chemical, pyrabactin, has been identified as a potential solution for crops facing drought. The compound activates the ABA signaling pathway, helping plants survive in water-scarce conditions. Researchers at UC Riverside have developed a stable and easy-to-make chemical strategy to improve plant resilience.
New data from the ATTEST Trial shows that abatacept and infliximab can significantly improve clinical responses in methotrexate-refractory rheumatoid arthritis patients over time. Long-term treatment with these medications yields sustained benefits for managing chronic disease.
Researchers at Washington University School of Medicine discovered a plant herbicide that disrupts Toxoplasma gondii's signaling pathway, reducing fatal infection risk in mice. Low doses of the herbicide prevent T. gondii from increasing its numbers and remaining dormant.
A research team at Rockefeller University has discovered a novel protein, AFP, that regulates early growth arrest in young plants. This development provides insights into how plants naturally tolerate drought and stress, with potential applications in creating drought-resistant crops.
Scientists have discovered a chain of cellular events that occurs in plant cells when exposed to environmental stress, ultimately leading to the production of protective proteins. The research, led by Sarah M. Assmann, found that a hormone called abscisic acid regulates the processing of RNA molecules involved in stress response.