Articles tagged with Plant Signaling
Scientists have discovered that ferns can actively close their stomata in response to low humidity or the hormone ABA, similar to flowering plants. This finding confirms that the earliest land plants were able to control water loss through stomata, providing valuable insights into plant evolution and climate change adaptation.
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.
A recent study found that tomato fruits can communicate with the rest of the plant through electrical signals, warning it of caterpillar attacks. This phenomenon may allow for early detection of infestations and more targeted control measures.
Scientists from Würzburg, Germany, have identified a protein in the plant Arabidopsis thaliana that detects and translates acidic conditions into an electrical signal. This discovery could lead to more tolerant crops for waterlogging conditions.
A researcher at Tokyo University of Science discovered a menthol-like compound that enhances plant defense against pests. The compound, valine menthyl ester (ment-Val), can be used as an alternative to chemical pesticides and has shown promise in reducing pest damage to various crops.
Recent discoveries have revealed a complex picture of plant defense, with responses to PRR receptor signaling and NLR signaling extensively overlapping. The two immune branches are now considered to be more intimately connected than previously thought, leading to a re-thought model of separate ETI and PTI pathways.
Researchers have developed a device that can deliver electrical signals to and from plants, enabling the creation of plant-based technological systems. The device can detect and transmit electrical signals to monitor crop health and stimulate plants to perform tasks, such as closing leaves or picking up objects.
Researchers found that beta-cyclocitral produced by plants after herbivore attack increases defense responses and inhibits the production of metabolites for growth in Arabidopsis thaliana. This volatile signal opens up new possibilities for developing herbicides or antimicrobial agents that block the methylerythritol 4-phosphate pathway.
Researchers have discovered how plants use their metabolism to sense time and conserve energy, shedding light on the 'plant clock'. This understanding could help optimize crop growth in various conditions, such as different seasons and latitudes. The study's findings may lead to more reliable food production and improved yields.
Plants have evolved a defense system to warn themselves of predator attacks and ward off damage. Elicitors, such as molecular patterns and saliva proteins, trigger an 'SOS signal', initiating defense responses.
A team of scientists has found that Venus flytrap electrical signals generate magnetic fields, detected using atomic magnetometers. The magnetic signals are weak, but comparable to human nerve impulse signals.
Scientists have discovered a signal that causes roots to stop growing in hard soils, but after disabling it, roots can push through compacted soil. This discovery could help plants grow in damaged soils, reducing crop yields by up to 50%.
Researchers found that plants use rapid oscillations of stems and leaves due to wind to activate molecular switches, allowing them to respond to environmental changes. This discovery highlights the importance of plant sensitivity to mechanical signals, enabling them to prepare for storms.
Researchers have isolated sensory hairs from the Venus flytrap and identified genes that convert mechanical stimuli into electrical signals. The discovery sheds light on how plants can detect and respond to touch, revolutionizing our understanding of plant biology.
Researchers found that cycad trees exhibit sex differences in growth rate and that garden-grown plants grow faster than those in natural habitats. The study's findings inform conservation decisions for threatened species like Cycas micronesica, which faces significant losses due to invasive insect herbivores.
Researchers at Nara Institute of Science and Technology found that parasitic plants use ethylene signaling to mediate host invasion. The study identified mutants with defective ethylene signaling, revealing the importance of ethylene in parasitism.
A Chinese-German research team identified two olfactory receptors that detect isothiocyanates from cruciferous plants, guiding female diamondback moths to lay eggs on these plants. The discovery offers approaches to control the pest using attractants or chemical agents to interrupt perception of isothiocyanates.
Researchers are developing a new method to locate human remains by analyzing changes in plant chemistry, which could lead to faster and safer searches. The team will assess how cadaver decomposition affects nearby plants' nutrient concentrations and leaf color.
A team of scientists found that dodder parasites eavesdrop on their host plants' flowering signals to synchronize their own flowering. This allows the parasite to optimize its reproduction and increase its fitness.
Researchers discovered dodder plants synchronize flowering with host plants by eavesdropping on their FT signaling protein. This unique behavior allows dodders to thrive by parasitizing diverse hosts without fixed flowering times.
Scientists have successfully applied optogenetics to higher plants, using blue light to trigger electrical excitation and simulate plant stress responses. This allows for the non-invasive investigation of cellular communication pathways and the analysis of membrane potential waves.
Scientists are developing a model to track mRNA movement through plant systems, aiming to predict and deliver targeted information. The goal is to engineer a method for using mRNA to alter plant responses to environmental stresses.
Researchers at Nagoya University developed a micrografting device to facilitate the grafting of embryonic shoots onto tiny stalks, achieving a 48-88% success rate. The device shows potential for facilitating research into plant signalling and has been applied in tomato grafting.
Researchers at Tokyo University of Science discovered how plants recognize specific chemical signals in insect oral secretions to trigger their defense responses. The study reveals a complex molecular alarm system that helps plants develop 'immunity' against predators, providing new insights into plant defense mechanisms.
Researchers at Tokyo University of Science have discovered a molecular 'alarm' system in plants that protects them from predators. The study identified two novel receptor-like kinases, GmHAK1 and GmHAK2, which trigger defense responses in soybean leaves when exposed to oral secretions from the cotton leaf worm.
A new algorithm for segmenting biological objects in complex images has been developed by Skoltech researchers. The method uses a two-step neural network training algorithm that can learn from small datasets and achieve high accuracy in isolating individual cells, organisms, and parts of plants.
Scientists identify hormones and proteins regulating root emergence through intercellular communication. This discovery could aid in controlling root growth and improving plant adaptability to drought conditions caused by climate change.
KAUST scientists have identified MAP4K4 as a key player in plant immunity, essential for proper responses to environmental pathogens. The discovery reveals targets in a molecular pathway that could be manipulated by crop breeders to make plants more resistant.
Researchers discovered that TPC1 ion channel contributes to plant excitability, enabling plants to respond to stressors. The study sheds light on plant communication and may lead to breeding more resilient crop varieties.
Researchers from the University of Helsinki developed a new method to measure chlorophyll fluorescence in trees, revealing information on plant performance and structure. The technique uses LED technology to light up the forest at night, allowing for easier interpretation of data.
Rainer Hedrich's new project aims to investigate the molecular mechanisms underlying frequency-dependent decision making in Dionaea, using mutants with disturbed stimuli transmission. The researcher hopes to determine the cellular basis for counting and decision-making in plants.
Researchers found that whitefly-infested plants release volatiles that suppress jasmonic acid-dependent defenses and increase salicylic acid levels in neighboring plants. This allows the whiteflies to develop faster and supports their next generation.
Scientists at The University of Toledo found that insects manipulate grape vines' reproductive programs to create a leaf gall, providing a protected space for the parasite. This discovery opens possibilities for protecting wine and raisin production from agricultural pests.
Researchers at Osaka University discovered a plant peptide hormone that controls the development of two different cell types involved in water flow through plants. The hormone binds to distinct receptors in leaves and roots, generating unique cellular structures essential for water transport.
Washington State University researchers found the way plants respond to disease-causing organisms and how they protect themselves. The discovery provides a blueprint for breeding resistance to diseases or pests, enabling faster and more efficient development of crop protection strategies.
Researchers at Stockholm University found a special gene PLD that helps plants stay healthy and resistant to oxygen deficiency when underwater. The study suggests that increasing the amount of this gene may help protect crops from flooding, improving harvest yields.
Researchers discover that glutamate activates a wave of calcium in plant tissues, triggering a defense response. The study uses fluorescent imaging to visualize the calcium signaling system, showing that it moves quickly through the plant to prepare distant tissues for future threats.
Researchers have identified multiple enzymes and channel proteins involved in plant defense mechanisms, including a reserve system that acts as backup for immune responses. The findings have practical utility for agriculture, such as cultivating crops that can resist different stresses more effectively.
Variation potential, a unique electrical signal, influences light absorption and electron transfer in plant cells. The signal causes acidification, increasing light energy absorption but also dissipation, and rapidly increases electron flow through the chloroplast electron transport chain.
Scientists at Umea University have developed a technique to track the carbon metabolism of plants over their entire lifetime, using tree rings. This method provides valuable information for refining climate models and assessing plant role in reducing CO2 concentration.
Elsbeth Walker and her team will investigate how plants control iron levels, using sophisticated techniques to detect and test for iron signaling mechanisms. The research aims to understand how plants regulate iron uptake, with potential applications in breeding cereals that are rich in bioavailable iron.
Gene expression studies reveal genes involved in stress response signaling in streptophyte algae, the ancient ancestors of land plants. These findings provide insight into the evolution of land plant stress response mechanisms.
Researchers at University of Zurich discovered how pollen tubes interact with female plant tissue, using extracellular signals to regulate growth and respond to changes in the cell wall. This knowledge opens up potential applications for plant breeding, including influencing pollination and seed formation.
Researchers identified a cell wall signal that initiates darkness programme in seedling development, enhancing survival. The signal is linked to metabolic breakdown products of pectin, allowing plant cells to communicate with each other about light conditions.
Scientists discover dodder parasite transmits insect feeding-induced signals among different hosts, triggering defense reactions in neighboring plants. The parasitic plant's vascular system connects with its hosts, enabling the transfer of warning signals.
Research reveals that dodder plants transmit herbivory-induced signals among host plants, triggering defense responses and reducing insect growth. The discovery showcases the complex ecological interactions between parasitic plants and their hosts.
Researchers at the University of Delaware discovered that plants release airborne chemicals when injured, alerting neighboring plants to boost their defenses. The injured plant sends signals through volatile organic compounds (VOCs), which stimulate nearby plants to grow more robust roots and increase malate transporter genes.
Researchers at the Donald Danforth Plant Science Center have made significant breakthroughs in understanding the role of Heterotrimeric G proteins in plant development, stress tolerance, and yield improvement. The study revealed that specific G protein subunits play a crucial role in regulating plant growth and abiotic stress response.
Biologists at Cold Spring Harbor Laboratory have discovered a new regulatory pathway that channels signals from leaves to stem cells, regulating their proliferation. This pathway, involving the FEA3 receptor-like protein, has near-term implications for increasing maize and staple crop yields by as much as 50%.
Researchers at the Boyce Thompson Institute discovered that potato plants boost chemical defenses in their leaves when Guatemalan tuber moth larvae feed on their tubers. This response protects against leaf-eating pests like beet armyworms, allowing plants to maintain sugar production and grow more tubers. The study may help reduce pota...
Researchers discovered two signaling chemicals travel through the same opening between cells, while a third chemical takes a distinct route into neighboring cells. This knowledge may lead to new strategies for protecting crops from pathogens.
Researchers at Linköping University successfully integrated electronic components into living roses, enabling the creation of digital logic gates, displays, and even electrochemical transistors. This breakthrough paves the way for innovative applications in energy, environmental sustainability, and plant science.
Researchers used large-scale computer modeling to study the effects of confinement on macromolecules inside cells, finding that particles near cell walls linger for extended periods. This could improve understanding of cellular signaling and lead to new therapeutic designs.
Researchers at the University of Toronto have created a genetically engineered plant biosensor to detect and prevent parasitic Striga infestations. The tool uses protein-based hormone receptors present within Striga to mimic plant hormones and trap the parasite, allowing for its destruction.
Ozone concentrations commonly near urban areas can strongly inhibit bees' attraction to flowers due to fast scent degradation. The loss of scent signals affects the successful pollination of most insect-pollinated plants.
Researchers discovered a mechanism that allows plant cells to balance opposing signals from Stomagen and EPF2, competing for access to the same surface proteins. This finding sheds light on how plants coordinate cellular structures and make decisions on stomata placement.
Researchers at the University of Manchester have identified two genes that can drive cell division in tree stems, allowing them to grow larger and more quickly. This discovery could lead to generating trees that produce more biomass for biofuels, chemicals, and materials while minimizing CO2 release.
Researchers have discovered that the smell of cut grass signals distress and summons parasitic wasps to protect plants from insect attacks. The volatile organic compounds also play a role in drought tolerance and can help breeders develop new crop varieties with improved resistance to insects and drought.
Researchers discovered a new route for legume plants to communicate with their symbiotic bacteria. The study found that cytokinins, signaling molecules, are transmitted from leaves to roots to control the number of bacterial-holding nodules. This innovation allows legumes to balance energy production and nodule development.
A new study from the University of Warwick found that plant cells send specific signals to developing embryos to direct their growth and development. This discovery opens up possibilities for breeding more robust plant varieties with higher yields.