Articles tagged with Root Growth
A new study by Nara Institute of Science and Technology researchers has identified the crucial role of autophagy in plant cell differentiation, particularly in Arabidopsis roots. Autophagy is necessary for root cap cells to transition from gravity sensors to secretory cells and undergo organized separation.
A team from KAUST has developed a low-cost system for imaging plant growth dynamics noninvasively and at high throughput. The Mutiple XL ab system combines computer vision and pattern recognition technologies with machine learning to analyze and quantify root growth dynamics.
Researchers have identified a cork-like substance called suberin that helps protect rice roots from floods and drought. By understanding how suberin is produced, they hope to use gene editing or selective breeding to make the crop more resilient to climate change.
Researchers from the Chinese Academy of Sciences have developed a method to overcome the tradeoff between rice yield component traits, including panicle number and size. By modifying the cis-regulatory region of the Ideal Plant Architecture 1 gene, they increased grain yield by 15.9% while maintaining tiller number.
Researchers have made a breakthrough in controlling bacterial nitrogen fixation by cereals, enabling them to produce their own ammonia fertiliser. This development has the potential to reduce reliance on industrially produced ammonia-based fertilisers and mitigate environmental pollution and greenhouse gas emissions.
A new study reveals that salt marsh grass in Georgia's coast relies on beneficial bacteria in its roots to access nutrients, improving plant productivity. The research provides insights into the importance of soil microorganisms in maintaining ecosystem health and supporting restoration efforts.
Researchers discovered two WOX genes controlling lateral root primordium size in rice, improving drought stress tolerance and crop production. QHB/OsWOX5 regulates S-type roots, while OsWOX10 mediates L-type root development, enhancing water uptake under drought conditions.
A study discovered that fungus Cyanodermella asteris synthesizes valuable compounds in plant Aster tataricus, influencing its growth. The interaction reveals a two-way dialogue between the microbe and host, with the fungus producing beneficial compounds while also being influenced by plant hormones.
Scientists from Nagoya University investigate the formation of air channels in wetland plants, which help them survive floods and droughts. The study reveals that a phytohormone called auxin is required for normal root growth, and two factors lead to the induction of aerenchyma formation in response to flooding.
A recent study found 24 different pathotypes of Phytophthora sojae in Quebec and Ontario compared to eight in Manitoba, indicating declining resistance to Rps genes. More than 85% of fields surveyed contained isolates that could overcome the Rps genes present in planted varieties.
Researchers at the University of Malaga found that conifers are tolerant to excessive amounts of ammonium, which can cause toxicity in other plants. The study used state-of-the-art techniques to identify molecular mechanisms involved in ammonium's effects on pine roots.
The FUN-BioCROP model predicts effects of plant choice and agricultural management on soil carbon storage, slowing climate change. By using bioenergy from plants, less carbon dioxide is emitted into the atmosphere, resulting in a more sustainable energy source.
Researchers found that fungal communities play a key role in tree growth, with some species increasing tree growth rates up to a tree-fold. The study suggests that using specific fungal communities can help improve forestry and potentially absorb more carbon from the atmosphere.
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.
Researchers found that seed microorganisms have more staying power than soil microorganisms when colonizing plants. The study suggests that modifying the seed microbiome could lead to more sustainable agriculture and increased crop yields and quality.
Seagrass wasting disease, caused by warming waters, compromises roots and storage sugars, setting up plants for a harder winter. The disease affects eelgrass meadows, vital nutrient stores, and supports herring, salmon, and other marine life.
A team of researchers from UC Riverside has discovered how a small molecule called auxin triggers the growth process in plants. By analyzing cell walls, they found that auxin lowers pH levels, causing cells to become acidic and soften, allowing them to expand and grow.
Researchers found that bacteria living inside plant roots trigger sulfur metabolism to produce antioxidants that detoxify the plant from salt-induced damage. This discovery could lead to breakthrough technologies for saline agriculture and improve food production in arid lands.
A new diagnostic guide for pythium damping-off and root and stem rot of cucurbits has been published, providing a concise resource for growers, diagnosticians, and plant pathologists. The guide summarizes techniques for isolating, identifying, and testing Pythium isolates to combat these diseases.
Plant pathologists have developed a set of Nursery Phytophthora Best Management Practices to eradicate the harmful organisms from nursery stock. Through testing and accreditation programs, nurseries that comply with the guidelines have shown no detectable Phytophthora infection in their stock, enabling habitat restoration plantings.
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.
Plants redirect resources from root growth to stem development when shaded, limiting yields and biomass. Researchers discovered key genes involved in this process, including WRKY proteins and ethylene signaling.
Researchers found that clover grown with symbiotic nitrogen-fixing bacteria in Martian regolith experienced significant 75% more root and shoot growth compared to uninoculated plants. However, the regolith showed no excess production of nitrogen compounds, suggesting a potential role for these microbes in terraforming Mars soils.
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.
Scientists at Tokyo University of Science discovered endophytic bacteria that can survive extreme conditions within passion fruit seeds. The bacteria were isolated from seedlings grown from cut seeds and found to possess biocatalytic activities related to the metabolism of secondary metabolites, such as resveratrol and piceatannol.
Researchers from the Universities of Bonn and Bologna discovered a mutant in barley with roots growing straight downwards, potentially providing a starting point for breeding more drought-resistant varieties. The study found that the gene responsible for this trait is evolutionarily conserved across different cereals.
A new study reveals that retinoids trigger the development of plant lateral roots, which are regulated by a protein similar to those found in animal cells. This discovery showcases convergent evolution and opens up new avenues for understanding human development and finding medical treatments.
Researchers reconstructed the oldest known form of roots in a 407-million-year-old plant fossil, revealing a complex branching system that differed from modern plants. This discovery provides insight into the evolution of early land plants and their impact on the environment.
A study analyzing 7,000 tree falls in São Paulo City found that most occurrences occur in the rainy season due to weather conditions. However, a significant number of trees fell during the dry season, attributed to poor management and inadequate conditions for street vegetation.
Researchers found that the presence of beneficial bacteria in plant roots promotes growth under low light conditions, but reduces defense against leaf pathogens. The study suggests a complex interplay between plant growth and defense responses mediated by root microbiota.
Researchers discovered that plants use combined control of cytokinin and auxin to organize DNA damage responses, allowing continuous root growth. The study reveals a sophisticated way for plants to retain stem cells while maintaining their genomes in damaged plants.
Researchers discovered that symbiotic bacteria stimulate root hair growth and produce ethylene, a plant growth hormone, in root cells. This process enhances nutrient supply and makes crops more resistant to oxidative stresses, including heat, soil salt, heavy metals, and climate change.
A team of scientists has identified a protein called SYFO1, which plays a crucial role in the initial contact between legume roots and symbiotic bacteria. The protein causes root hairs to change direction, allowing them to wrap around bacteria and form beneficial relationships.
Researchers at Tel Aviv University have discovered that plant roots grow with a spiral motion, controlled by the hormone auxin, which also assists cancer cells in penetrating tissue. This finding significantly advances plant research and has potential applications in understanding cancer cell behavior.
Researchers from Osaka University and colleagues found that plant root tips converge to a dome shape, similar to arch bridges, due to localized tissue growth. This shape helps evenly distribute mechanical force, enabling roots to efficiently push through soil.
Scientists discovered that plant roots make corkscrew-like motions to burrow into the soil and anchor themselves. The growth pattern is coordinated by the hormone auxin and helps roots find the best path forward.
Researchers reveal how plant roots generate a distinct gradient of gibberellin, a key growth regulator. A mathematical model combined with experimental observations showed that elongation-zone cells produce high levels of GA synthesis and increased permeability contribute to the gradient.
A new study by Dr. Kenjiro Quides found that legumes grow to maximum size when a low or medium number of root nodules form, but high nodule numbers lead to drastically reduced growth. Rhizobia population size continues to increase with increasing nodule numbers, suggesting a hidden conflict in the symbiotic relationship.
Researchers found that plants influence the relative abundance of thousands of nuclear genomes in their symbiotic microbe partners. This cooperation maximizes growth benefits for both fungi and plant partners.
Scientists develop method to increase nutrient uptake and stomatal opening in rice, resulting in over 30% increase in crop yield. The technique uses a plasma membrane proton pump gene overexpression, reducing the need for fertilizers and improving carbon capture.
Researchers at Penn State have discovered a new root trait that allows plants to grow deeper roots capable of penetrating hard soil layers. This trait, called multiseriate cortical sclerenchyma, is characterized by small cells with thick walls and lends rigidity to the roots.
Plant roots can sense compacted soils through ethylene hormone signals, hindering growth. Mutant roots insensitive to ethylene penetrate compacted soils more effectively.
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%.
A new study provides a theoretical foundation for understanding competitive root behavior, revealing that plants adjust their root growth strategies according to the proximity of competing plants. The research reconciles conflicting hypotheses and demonstrates that roots are likely used to preempt resource capture by competitors in nea...
A Cornell University project aims to develop worm-like, soil-swimming robots to sense and record soil properties, water, and root growth. The goal is to improve breeding efforts and soil management to increase food productivity and security.
Scientists have discovered a 'sealing' mechanism in plant roots supported by microbes that controls nutrient intake for survival and growth. This coordination between plants and microbes is crucial for proper growth and reproduction, and could lead to the development of more resilient crops.
A new strain of rhizobacteria has been shown to naturally promote rice growth and improve carbohydrate metabolism. This discovery offers a sustainable alternative to chemical fertilizers, reducing environmental pollution and increasing production.
Researchers have discovered a molecular break that controls the length of plant roots, influenced by hormones ethylene and karrikin. The study found that the protein SMAX1 acts as a molecular break for ethylene production, stimulating long root growth and short root hairs.
Researchers have designed a synthetic molecule that mimics the function of zaxinone, a natural growth-promoting plant metabolite, to improve root growth and limit Striga infestation in rice plants. The new molecule, MiZax3, has shown excellent activity and stability, with two mimics performing even better than zaxinone itself.
The study reveals that ammonium uptake by roots provokes pH changes that bring auxin into a protonated form, triggering lateral root emergence. This process allows plants to adapt to fluctuating nutrient availabilities and optimize nutrient acquisition in agricultural settings.
Researchers have found a new temperature sensing mechanism in plants that uses slow growth to measure long-term changes in temperature. The study reveals that the protein NTL8 plays a crucial role in this process, accumulating slowly over time and being diluted by faster growth rates.
Fine roots in peatlands respond rapidly to warming, increasing plant nutrient and water uptake. Soils drying likely drive this increase in fine-root growth, potentially accelerating ecosystem carbon cycling.
Researchers from the University of Cologne and Bremen found that participants underestimated COVID-19 cases grew linearly, rather than exponentially. Interventions improved understanding of virus growth and increased support for social distancing.
Researchers have developed a machine learning platform that analyzes high-resolution drone images to predict root crop growth and health. This technology enables scientists to respond quickly to stimuli and breed more drought- and heat-resistant varieties, ultimately improving crop productivity and food security.
Researchers from Kumamoto University identified a plant gene that balances growth with defense mechanisms to protect against nematode infections. The DEL1 gene helps plants allocate energy to growth rather than defense, leading to increased yields and resistance to pests.
Researchers analyzed agricultural systems using multiomics approach and found that organic nitrogen fuels plant growth. They also discovered differences in bacteria in the rhizosphere, which make nitrogen available to plants.
Root traits respond to soil characteristics, enabling trees to adapt to harsh environments and maximize resource acquisition. The study found that contaminated soils foster shorter roots, which can immobilize toxic elements like arsenic and lead.
Researchers at Penn State discovered that manipulating a single gene can induce stress memory in plants, giving them increased vigor and productivity. This epigenetic technique allows for non-genetically modified crops with improved resilience.
Researchers found that plants' lateral roots know where to find water early on, guiding growth towards nutrient-rich areas. This flexible response enables plants to react to environments with fluctuating resources.
Researchers at UC Davis have identified novel inhibitors that can disrupt redox signaling to prevent haustorium initiation in parasitic plants. This breakthrough could lead to new control methods against economically damaging agricultural pests.