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PMID:11114883
| Citation |
Mähönen, AP, Bonke, M, Kauppinen, L, Riikonen, M, Benfey, PN and Helariutta, Y (2000) A novel two-component hybrid molecule regulates vascular morphogenesis of the Arabidopsis root. Genes Dev. 14:2938-43 |
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| Abstract |
The developmental ontogeny of the vascular system (consisting of xylem, phloem and [pro]cambium) is poorly understood despite its central role in plant physiology. We show that in the Arabidopsis root meristem, xylem cell lineages are specified early, whereas phloem and procambium are established through a set of asymmetric cell divisions. These divisions require the WOODEN LEG (WOL) gene. The WOL gene encodes a novel two-component signal transducer with an unusual tandem arrangement of two receiver domains. It is expressed specifically in the vasculature from the early stages of embryogenesis on, consistent with a role as a sensor for vascular morphogenesis. |
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| Keywords |
Amino Acid Sequence; Arabidopsis/enzymology; Arabidopsis/genetics; Arabidopsis/growth & development; Arabidopsis/metabolism; Base Sequence; Cell Division; DNA, Plant; Molecular Sequence Data; Morphogenesis; Plant Roots/growth & development; Protein Kinases/genetics; Protein Kinases/metabolism; Protein Kinases/physiology |
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Significance
Annotations
| Gene product | Qualifier | GO ID | GO term name | Evidence Code | with/from | Aspect | Notes | Status |
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