Articles tagged with Plant Roots
Researchers at University of Tsukuba identified a gene controlling how legume roots form symbioses with rhizobia bacteria and mycorrhizal fungi. The study reveals the role of this gene in establishing complex plant-microbe interactions, essential for plant nutrition.
Researchers have discovered a previously unknown compartment within the symbiotic cortical root cells of arbuscular mycorrhizal fungi. The periarbuscular space now appears to be a complex network of membranes linking the plant cytoplasm to regions adjacent to the fungus, suggesting an efficient exchange of nutrients and molecules.
Plant roots sense moisture levels in soil and adapt their architecture to optimize water uptake, enabling crops to be bred for climate resilience. This discovery could help ensure food security by developing crops with improved water efficiency.
Astronauts may have access to fresh salads in space, but the microgravity environment affects plant growth. Researchers compared two transcriptomic approaches to understand how plants adapt, finding that RNA-Seq and microarray chips have relative advantages.
Researchers at University of Manchester discovered that plants with diverse root microbiomes outperform those without, living fast and dying young. The study highlights the importance of balancing harmful and beneficial fungi in soil for healthy plant growth.
Plant root hairs grow long by suppressing lateral cell expansion due to PI(3,5)P2 regulation. This allows for increased surface area absorption of water and nutrients from the soil. The discovery sheds light on plant cell morphogenesis and could lead to the development of more efficient nutrient-absorbing plants.
Research reveals that healthy plants host diverse fungi and oomycetes in roots, but a balanced bacterial community prevents illness; certain bacteria promote plant health by limiting fungal growth.
The study reveals that local auxin production in plant roots is crucial for maintaining healthy roots and preventing degeneration. Auxin production must be made locally, as transported auxin cannot compensate for its absence in certain tissues, such as the root meristem.
A multidisciplinary team led by MSU Extension Plant Pathologist Mary Burrows will investigate root rot and effective ways to prevent or overcome it. The project aims to develop resistant plants, study farm practices, and share findings with stakeholders.
A team of geoscientists studied the Taupo Volcanic Zone in New Zealand, finding that smaller eruptions reset magma chambers over decades to centuries. This understanding can aid predictions of similar eruptions and mitigate supereruptions.
A Rutgers-led team found that plants cultivate microbes to extract nutrients, a process called the rhizophagy cycle. This discovery could lead to enhanced crop growth, fewer weeds, and lower fertilizer use.
Scientists at the Max Planck Institute for Chemical Ecology have found substances that accumulate in plant leaves when mycorrhizal fungi successfully colonize roots, providing a new tool for studying fungal associations and breeding programs. The discovery has significant implications for global phosphate resources and food production.
Scientists discovered transitional root fossils from the earliest land ecosystem, shedding light on plant root evolution. The findings suggest that modern-day plant roots have evolved multiple times, with each characteristic emerging separately.
The study reveals that the rootworm uses specific iron complexes formed at the root surface when benzoxazinoids bind to iron to guide itself to nutrient-rich crown roots. This allows the insect to severely damage maize plants and undermine plant breeders' efforts to control it.
Researchers at IST Austria have identified the signal and receptor that coordinate root cap loss and regrowth. The team discovered a small peptide called IDL1 that diffuses through the root tip and is perceived by cells in the root apical meristem, enabling communication between outer and inner root cap cells.
A comparative study of 37 plant genomes reveals that the capacity to form root-nodule partnerships has repeatedly been lost during evolution. Despite providing fixed nitrogen, these symbioses no longer benefit many plants due to parasitic bacteria invasion or other factors.
A team of scientists from Rothamsted Research has found that certain commercial cereal varieties can support beneficial fungi that suppress the take-all fungus, a devastating disease in wheat crops worldwide. This could provide a potential biological management strategy to control the disease.
Researchers found that root exudates enhance soil aggregation and water repellency, particularly in sandy loam soils. The study sheds light on the complex interactions between plants and their surrounding soil, highlighting the importance of exudate production in plant nutrition and soil stability.
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 analyzed bacterial content of Svalbard glacier soil, revealing microbes trigger soil formation under extreme conditions. The study provides clues for combating desertification in hot arid environments.
A new theory proposes that underground adaptations, such as efficient roots and reduced reliance on fungi, enabled plants to thrive in diverse environments. This finding has significant implications for conservation and understanding plant evolution.
A recent study published in PNAS reveals that plants with diverse root microbiomes are more resilient to drought, while those with similar microbial communities struggle. The research also found that recruiting specific bacteria can improve drought resistance.
The study presents a comprehensive checklist of 124,993 plant species across North and South America. Notably, the vast majority of plant species in the Americas are found in just one country or region, with Brazil having the most diverse flora. The authors predict an additional 25,000 species will be documented by 2050.
Xanthones, antimicrobial compounds found in St. John's wort roots, are produced and stored in specific cell layers. The study's findings may aid in understanding xanthone biosynthesis and manipulating them for medicinal purposes.
Researchers discovered that the western corn rootworm sequesters and activates plant toxins to evade nematode attacks. This strategy makes biological control methods ineffective, leaving farmers with limited options.
A RUDN University researcher found that plant root secretions stimulate microbial activity, leading to faster decomposition of organic matter and increased nutrient availability for plants. This has significant implications for long-term carbon accumulation and soil fertility in paddy soils.
Researchers at Hokkaido University discover YUCCA9 plays primary role in plant root regeneration after cutting. This finding could lead to new methods for controlling plant growth in agriculture and horticulture.
Researchers have discovered that young roots take chemical snapshots to detect obstructions and coordinate their paths, outsmarting seemingly random root patterns. This process relies on compounds similar to those used in traditional photography, improving understanding of plant immunity and potential crop yield boosts.
A new species of non-photosynthesizing parasitic plant, Sciaphila sugimotoi, has been discovered on Ishigaki island in Okinawa, Japan. The plant, which stands 5-10cm above ground, feeds off the roots of host fungi and is named after Mr. Takaomi Sugimoto, one of its discoverers.
A new study published in Nature describes a complex structure that combines elements of ion pumps and channels to enable active transport of potassium, challenging traditional views on biological concepts.
Scientists at the University of Cambridge have identified a plant protein crucial for communication with fungi, enabling mutually beneficial symbiosis. The study found that a transporter molecule helps plants signal to fungi, promoting nutrient exchange and improving crop yields.
A recent study at Salk Institute found that genetic variants of a single gene, FRO2, play a crucial role in determining a plant's ability to grow and stay healthy in environments with limited iron. The research has the potential to improve crop yields and increase dietary sources of iron for animals and humans.
Research at Nagoya University reveals that phloem-specific polypeptides act as mobile descending shoot-to-root signals in response to nitrogen status, triggering compensatory nitrogen uptake by roots. This sophisticated signaling system enables plants to maximize nutrient efficiency and improve fertilizer application.
A recent study published in Phytobiomes found that the use of cereal rye as a cover crop can lead to elevated disease risk in corn. Researchers isolated and characterized oomycetes, including Pythium species, which were associated with cereal rye roots and passed on to corn seedlings.
A new program, ROOTS, aims to develop drought-resistant crops with improved root function and plant health monitoring. Researchers are adapting miniaturized sensing technologies to monitor root productivity and detect stress signals in real-time.
Scientists at the University of Missouri used radioisotopes to trace essential nutrients and hormones in live corn plants, discovering that auxin is tightly regulated at the root tissue level where pests feed. This knowledge could help breeders develop resistant lines of corn and tackle global food shortages.
Researchers at Duke University have identified a set of DNA-binding proteins in Arabidopsis roots that work together to trigger stem cell differentiation and create specialized cells with distinct roles. This discovery sheds light on the longstanding question of how plants make so many types of cells from the same genetic instructions.
Researchers at Nagoya University developed a triarylmethane compound that selectively inhibits cell division in plant cells. This reversible compound may be effective in controlling plant growth by targeting cell division.
The legume-rhizobia symbiosis significantly impacts the microbial community in plant roots, leading to changes in bacterial composition and stability. The absence of symbiosis results in drastic alterations to the root microbiome, affecting plant growth and nitrogen uptake.
Researchers found that plant roots can detect light through vascular bundles, activating photoreceptors and influencing root architecture. This discovery reveals a new sensory modality for roots, potentially enhancing plant performance in natural environments.
Researchers used 3D live imaging to study the formation process of lateral roots in plants, clarifying part of the mechanism that creates new meristematic tissue. This discovery could potentially be used to control plant growth by artificially altering root system architecture.
Geophysicists at the University of Bonn have visualized plant root activity using electrical impedance tomography, allowing for non-invasive monitoring of nutrient uptake. The method provides insights into plant behavior under different conditions, such as drought or nutrient stress.
Researchers at University of Guam discovered that cycad roots can identify close relatives, leading to cooperative behaviors and improved management decisions. This finding has valuable implications for conservation settings, such as optimizing seed sowing practices and positioning plants in botanic gardens.
A study found that fertilizing artichokes with low nitrogen levels improves root growth and reduces yield losses after transplantation. The researchers also discovered that fertigation systems can help minimize transplant shock in globe artichokes grown in semiarid regions.
Plant pathogens use DNA-degrading enzymes to escape extracellular DNA traps generated by host root border cells. The researchers found that a soil-borne bacterium causes destructive wilt disease in plants and uses endonucleases to destroy the traps, compromising its ability to invade roots.
Researchers discovered that thale cress plant tolerates fungus when it needs help obtaining phosphate, rejecting it otherwise. The plant controls interaction through its immune system linked to a sensor for phosphate availability.
The newly discovered Rafflesia consueloae is the smallest of its kind, measuring only 9.73 cm in diameter, and has been named after Filipino conservationist Connie Lopez. The species was classified as Critically Endangered due to habitat loss and hunting, highlighting the need for continued protection.
Researchers at Salk Institute and Cambridge University found that grafted plants can share epigenetic traits, enabling them to communicate with each other. This discovery may allow growers to exploit epigenetic information to improve crops and yields.
A single sesquiterpene lactone, taraxinic acid β-D-glucopyranosyl ester (TA-G), found in dandelion latex, negatively affects cockchafer larvae growth. This compound plays a crucial role in dandelion defense against root feeders.
Scientists cultivate over half of the bacterial species found on and in the leaves and roots of Arabidopsis thaliana, creating a representative collection for microbiota reconstruction. The developed toolkit enables controlled perturbation of microbiota under controlled environmental conditions.
Researchers found that native prairie gardens showed a general trend towards lower soil density, better root penetration, and greater water movement compared to adjacent lawns. However, the differences were not enough to conclude that prairie gardens are flat out better for soil than lawns.
Researchers discover nematodes produce plant hormone cytokinin to stimulate root cell growth and create a nurse cell system, essential for the parasite's survival. This discovery opens new avenues in plant breeding to develop resistance against cyst nematode pests.
Parasitic plant species can detect nearby hosts through a system similar to a 'smoke detector gene', allowing them to germinate and steal nutrients. Researchers are developing new techniques to combat these weeds using synthetic compounds and chemicals that mimic strigolactones.
Researchers discovered that a plant hormone, salicylic acid, acts as a 'bacterial bouncer' below ground, sculpting the microbiome surrounding a plant's roots. This finding suggests that salicylic acid is required to assemble a normal, commensal root microbiome.
New research found that mycorrhizal fungus triggers additional root growth in rice crops, allowing them to absorb more nutrients. The fungus also enmeshes itself within plant cells, providing a direct mineral boost.
A study by University of Montreal and University of Western Australia scientists reveals that plants in Australian bushland use an array of root strategies to obtain nutrients from poor soils, defying expectations.
Research suggests that selective breeding of maize led to the evolution of root systems more efficient in acquiring nutrients like nitrogen. The study found that newer commercial varieties performed better in every agronomic environment, with characteristics known to increase nitrogen uptake.
Researchers from Carnegie Institution for Science discovered that brassinosteroids and auxin hormones work antagonistically to regulate root cell elongation, affecting the rate of root growth. This finding could lead to engineering more-efficient crops with idealized root growth and water uptake.
Researchers at Oregon State University found that chemicals emitted by plant roots break bonds between carbon and minerals in the soil, releasing stored carbon into the atmosphere. This process could accelerate climate warming by up to 1% per year, as current models may be underestimating carbon loss from soil.
A study published in HortScience confirms that sweet potato leaves are a good source of vitamins, particularly vitamin B6. The research found that young leaves contained the highest levels of ascorbic acid, while mature leaves provided significant amounts of vitamin B6.