Articles tagged with Phloem
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Researchers at CRAG have discovered a key role for AtMC3, a metacaspase protein located exclusively in phloem tissue, in drought stress response. Increasing AtMC3 levels improves plant survival and photosynthetic capacity under water scarcity conditions, offering a potential tool to fine-tune early drought responses.
Researchers at Aarhus University discover how the SUC transporter recognizes sucrose and uses acid to power its sugar delivery. This breakthrough sheds light on how plants defend themselves from pests and could lead to new ways of protecting plants from harmful bugs.
A study characterizes secreted proteins from Candidatus Liberibacter solanacearum, a newly emerging pathogen of tomato and potato. The proteins, called effectors, offer clues into the manipulation tactics used by the bacterium to subdue its plant host.
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 have analyzed the leaf vasculature of Arabidopsis thaliana using single cell sequencing, revealing distinct identities of phloem cells and their metabolic pathways. The study also identified specific transporters responsible for sugar and amino acid transport from leaves to roots and seeds.
Researchers at HHU have discovered a novel phloem loading mechanism in maize leaves, which enables efficient transport of photoassimilates. This mechanism, found in the abaxial bundle sheath cells, is likely linked to maize's high productivity rate and C4 photosynthesis.
Researchers at the Max Planck Institute for Chemical Ecology have found that surplus sugar from honeydew secretions by whiteflies is used to detoxify plant toxins. The discovery of a novel glucosylation pathway reveals how whiteflies prevent activation of mustard oil bomb in cruciferous plants.
New study highlights significant advances in phloem-insect/pathogen interaction understanding, but notes research gaps and barriers to study. Researchers propose integrating phloem-feeding insect/pathogen interactions into plant science for improving host resistance.
Plant scientists at Cambridge and Bordeaux have discovered a gene called Phloem Unloading Modulator (PLM) that affects nutrient trafficking in plants. The study found that PLM relieves a bottleneck, allowing plants to transport nutrients more efficiently, resulting in faster-growing roots.
Researchers have developed a new technique to accurately isolate phloem cells using fluorescent microscopy and organelle-specific dyes. This method can be applied across various species to understand phloem diseases such as citrus greening, cucurbit yellow vine disease, and corn stunt disease.
Engineers at MIT develop microfluidic device mimicking nature's hydraulic pumps, enabling passive water pumping and potential use in small robots. The 'tree-on-a-chip' uses a sugar-powered hydraulic system to maintain constant flow rate for several days.
The team will design and identify bactericides to target Huanglongbing, which has devastated citrus trees in Asia and South America. They will also develop a new delivery system for use in field citrus trees.
A WSU biologist has spent 20 years studying the movement of nutrients through plants, confirming an 86-year-old hypothesis about phloem transport. His research could lead to new strategies for fighting plant diseases and improving crop efficiency.
Researchers have discovered that lasers can improve the penetration of antibiotic treatments into citrus leaves, potentially offering a new approach to treating the deadly citrus greening disease. The method uses laser etching to create microscopic indentations in the leaf tissue, allowing for more effective delivery of substances.
The researchers identified two transcription factors, NAC045 and NAC086, which are expressed in sieve element cells before enucleation. They also found a family of genes, dubbed NEN1-4, which act downstream of these factors. Additionally, the study revealed that control of choline transport is essential for phloem development.
A study recommends management practices to address citrus greening disease by monitoring phloem production in affected trees. The researchers found that new phloem tissue supports growth for a limited time, making the weeks before and after spring flush critical for management.
Researchers have discovered a protein family known as SWEET that plays a crucial role in transporting sucrose from leaves to other parts of the plant. The discovery could lead to increased crop yields and improved protection against pests, potentially even shedding light on human diseases like diabetes and obesity.
The cucumber genome has been sequenced, offering a platform for studying the cucurbit family and plant biology. The genome will aid in understanding disease and pest-resistance, flavor traits, and sex expression, with potential applications in agriculture.
Researchers have identified the FT protein as a key player in signaling flowering in squash plants, using an obligate short-day plant system. The study provides strong evidence that FT protein acts as a florigenic signal, and its presence in the phloem sap of flowering plants supports this conclusion.
Researchers discover small RNA molecules in plant phloem, suggesting a novel role in long-distance signaling and stress response. A new protein is identified as likely playing a key role in transporting these RNAs through the phloem.