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Plant Development: How Phloem Patterning Occurs.

08:00 EDT 9th March 2020 | BioPortfolio

Summary of "Plant Development: How Phloem Patterning Occurs."

The phloem tissue is the main conduit for sugars in plants, and its anatomy has to be tightly controled to ensure its functionality. A new study indicates the involvement of receptor-based intercellular signaling in the coordination of cell fate determination within the phloem tissue.

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This article was published in the following journal.

Name: Current biology : CB
ISSN: 1879-0445
Pages: R217-R219

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Medical and Biotech [MESH] Definitions

The processes occurring in early development that direct morphogenesis. They specify the body plan ensuring that cells will proceed to differentiate, grow, and diversify in size and shape at the correct relative positions. Included are axial patterning, segmentation, compartment specification, limb position, organ boundary patterning, blood vessel patterning, etc.

Plant tissue that carries nutrients, especially sucrose, by turgor pressure. Movement is bidirectional, in contrast to XYLEM where it is only upward. Phloem originates and grows outwards from meristematic cells (MERISTEM) in the vascular cambium. P-proteins, a type of LECTINS, are characteristically found in phloem.

A strand of primary conductive plant tissue consisting essentially of XYLEM, PHLOEM, and CAMBIUM.

A family of plant viruses containing the largest single-stranded RNA genomes. Infections typically involve yellowing and necrosis, particularly affecting the phloem.

Plant tissue that carries water up the root and stem. Xylem cell walls derive most of their strength from LIGNIN. The vessels are similar to PHLOEM sieve tubes but lack companion cells and do not have perforated sides and pores.

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