| Evolution and genetics of root hair stripes in the root epidermis. | |
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MedLine Citation:
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PMID: 11326047 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Root hair pattern develops in a number of different ways in angiosperm. Cells in the epidermis of some species undergo asymmetric cell divisions to form a smaller daughter cell from which a hair grows, and a larger cell that forms a non-hair epidermal cell. In other species any cell in the epidermis can form a root hair. Hair cells are arranged in files along the Arabidopsis root, located in the gaps between underlying cortical cell files. Epidermal cells overlying a single cortical cell file develop as non-hair epidermal cells. Genetic analysis has identified a transcription factor cascade required for the formation of this pattern. WEREWOLF (WER) and GLABRA2 (GL2) are required for the formation of non-hair epidermal cells while CAPRICE (CPC) is required for hair cell development. Recent analyses of the pattern of epidermal cells among the angiosperms indicate that this striped pattern of cell organization evolved from non-striped ancestors independently in a number of diverse evolutionary lineages. The genetic basis for the evolution of epidermal pattern in angiosperms may now be examined. |
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Authors:
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L Dolan; S Costa |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Review |
Journal Detail:
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Title: Journal of experimental botany Volume: 52 ISSN: 0022-0957 ISO Abbreviation: J. Exp. Bot. Publication Date: 2001 Mar |
Date Detail:
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Created Date: 2001-04-30 Completed Date: 2003-06-13 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9882906 Medline TA: J Exp Bot Country: England |
Other Details:
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Languages: eng Pagination: 413-7 Citation Subset: IM |
Affiliation:
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Department of Cell Biology, John Innes Centre, Norwich NR4 7UH, UK. liam.dolan@bbsrc.ac.uk |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Cell Division Evolution* Plant Epidermis / cytology, genetics*, physiology* Plant Proteins / genetics, metabolism Plant Roots / cytology, genetics*, physiology* Transcription Factors / metabolism |
| Chemical | |
Reg. No./Substance:
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0/Plant Proteins; 0/Transcription Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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