Articles tagged with Plant Hormones
Researchers discovered that plants use a surprising multi-layered system to regulate salicylic acid levels and keep their immune system in check. This system involves enzymes that break down the hormone, which are then flagged for elimination, limiting how much salicylic acid they can destroy.
Tomatoes have difficulty germinating under prolonged heat stress, but two mutant lines with the loss-of-function mutation in SlIAA9 showed little decline in germination and normal seedling development. The mutants exhibited elevated expression of antioxidant enzymes and heat shock proteins, leading to enhanced resilience to heat stress.
Researchers found that auxin's partner proteins serve as internal plant 'thermostats' that directly sense temperature and change genetic programs to direct root growth accordingly. This discovery could lead to engineering plants that withstand extreme temperatures, protecting crop productivity under challenging conditions.
A new study reveals that biochar nanoparticles directly enter plant tissues and enhance flowering by reshaping carbon allocation and regulating key genes. This discovery provides a new explanation for how biochar improves crop performance beyond its effects on soil fertility.
Researchers at Colorado State University have found a way to boost plant growth while maintaining its immune system through hormone treatment, showing promise for increasing food production. The approach involves genetically manipulating phytohormone interactions to restore cell division and increase disease resistance.
Researchers achieved hydroxyl groups esterification and lignin dissolution through a two-hour pyridine-benzoyl chloride bath. The resulting fibers became photobleaching and stable under accelerated weathering, with a 15-unit ΔE* swing and 96% plunge in tensile strength.
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.
Scientists at the University of Cambridge have developed a pioneering biosensor that can detect and track salicylic acid dynamics in living plants. The SalicS1 tool provides fresh insights into how plants coordinate local and systemic defenses against pathogens, with potential applications for improving crop resilience and understandin...
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.
Scientists at UC Riverside discovered a way to exploit parasitic plant hormones to induce
A recent study revealed that brassinosteroids are distributed unevenly between new cells formed during cell division, influencing root growth and development. The findings provide a comprehensive understanding of how these hormones regulate plant growth and development at the cellular level.
Researchers developed a method to produce strigolactones using microbial cell factories, amplifying production by over 125 times. This allows for the study of these scarce plant molecules in greater depth, offering insights into sustainable agricultural practices and plant development.
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.
An international team of researchers has identified the LOG gene responsible for forming prickles in several plant species. The discovery enables the development of new prickle-free varieties of crops like aubergines and blackberries, as well as ornamental plants such as roses.
Researchers discovered that strigolactones, previously only associated with plant development, directly influence flowering and fruiting in tomatoes. By regulating the microRNA319 pathway and gibberellin levels, strigolactones promote faster and better flowering, leading to increased yields.
Researchers at the University of Cambridge have discovered that gibberellin hormone plays a crucial role in integrating light signaling and stem growth in plants. Using advanced biosensors, they found that gibberellin levels are higher in longer cells and that a specific enzyme called GA20ox1 produces a gradient that controls cell elon...
Researchers at the University of Cambridge have discovered that the plant hormone gibberellin is essential for legume nitrogen-fixing root nodule formation and maturation. The study used a highly sensitive next-generation biosensor to visualize GA accumulation in specific zones of the root, revealing its critical role in nodulation.
A new study published in Plant Physiology reveals the mysterious growth habit of weeping peach trees by identifying a protein called WEEP. The study shows how the protein establishes asymmetric auxin gradients, leading to shoots growing downwards like roots.
Researchers have found a highly conserved ethylene signaling pathway that can be targeted to control the direction of root growth, creating deeper root systems that hold on to carbon and remove carbon dioxide from the atmosphere. This breakthrough could help engineer crops more resilient to climate change and drought.
A new study reveals that sunflowers use different molecular pathways to initiate and maintain tracking movements, involving multiple light signaling pathways. The research also found that depletion of one or more light triggers has little effect on the sunflower's ability to track the sun.
Researchers from the University of Bern found that maize roots secrete chemicals that improve soil quality and increase wheat yields. The study demonstrates potential for using specialized plant compounds to enhance crop productivity through variety-specific rotations.
Researchers successfully modified the ethylene synthesis pathway in the Japanese luxury melon to increase its shelf-life. The study found that introducing a mutation into the CmACO1 gene reduced ethylene generation, resulting in firmer fruit and longer shelf life.
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.
Researchers discover chemical inhibitor TIS108 significantly lowers Striga infestation without affecting plant growth or grain yield. The study shows canonical strigolactones contribute to seed germination in root parasitic weeds and play a major role in stimulating invasion by Striga.
Researchers at Hokkaido University identified two deubiquitinating enzymes, UBP12 and UBP13, that stabilize the brassinosteroid receptor BRI1 in plant cells. This finding reveals a crucial role for these enzymes in regulating plant growth and development.
Researchers unlocked the structure of an enzyme that regulates plant growth in response to strigolactone hormone. The enzyme, MAX2, targets repressor proteins for destruction when it's unlocked, allowing genes to be expressed and activating various growth processes. This discovery sheds light on how plants adapt to their environment.
The study reveals that Arabidopsis carboxylesterase 15 (AtCXE15) and its orthologues efficiently hydrolyze plant hormone strigolactones (SLs), regulating shoot branching and plant architecture. This discovery provides a rational approach to manipulating endogenous SLs for crop improvement.
Scientists have developed a method to produce strigolactones, a group of plant hormones that prevent excessive budding and branching. By combining yeast and bacteria, researchers can synthesize these hormones from microbes, providing a promising alternative to traditional methods.
Researchers from SMART and collaborators have developed the first nanosensor to detect synthetic auxin plant hormones, transforming the screening process. The sensors enable real-time monitoring of plants' response to compounds like herbicides without causing damage.
Researchers at UMD have identified a critical role for the molecule ACC in plant reproduction and pollination, activating proteins similar to those involved in nervous system responses in humans and animals. This finding could rewrite textbooks and lead to new research on improving plant health and crop yield.
A study found that plants prioritize flower protection over leaf defense and increase hormone concentrations in flowers to deter attackers. Dual attacks by caterpillars and bacteria leave plants more vulnerable to aphid attacks.
Researchers have identified a novel mechanism by which beneficial microbes produce plant hormones to control plant diseases. The study found that bacteria can efficiently control pathogen infections in model plants by producing cytokinin, allowing the plants to maintain tissue integrity and biomass yield.
Researchers at Technical University of Munich discovered that brassinosteroids are necessary for the production of gibberellins, a hormone that regulates cell elongation and division in plants. This finding has important implications for crop breeding and plant growth.
Scientists investigated why ethylene causes tomatoes to mature after picking but not peppers. They found that genes involved in breaking down the cell wall and carotenoid biosynthesis were produced in greater quantities in both tomatoes and peppers, suggesting a different ripening mechanism for non-climacteric fruits like peppers.
Researchers at VIB have made a breakthrough in understanding how plant hormones influence stomata formation. The study reveals that brassinosteroids directly interact with the transcription factor speechless to initiate new stomata development.
Scientists in China have discovered that a natural plant hormone can help plants eliminate residues of certain pesticides, including chloropyrifos. The substance significantly reduces toxicity and residues in the plants, making it a promising, environmentally friendly solution.
Researchers found that a specific glutathione S-transferase in the insect gut converts plant hormone cis-OPDA into iso-OPDA, which is then used by caterpillars to survive on host plants. This adaptation allows generalist caterpillars to thrive on diverse plant species.
Researchers found that applying a natural plant hormone can help eliminate pesticide residues from crops, reducing environmental exposure to pesticides. The study suggests using brassinosteroids as an environmentally friendly alternative to minimize pesticide risks.
Researchers found that thale cress responds differently to various plant pests and microorganisms, with specific hormone compositions leading to unique gene expressions.
Researchers at the Texas Agricultural Experiment Station have discovered a promising new treatment for eliminating mistletoe from urban trees. The plant hormone has shown to be effective in controlling up to 90% of mistletoe infestations, with potential applications for widespread use across the United States.