Document Detail

Characterization of root cells of anl2 mutant in Arabidopsis thaliana.
MedLine Citation:
PMID:  21421418     Owner:  NLM     Status:  In-Data-Review    
A mutation in the ANTHOCYANINLESS2 (ANL2) gene of Arabidopsis thaliana causes the formation of several extra cells called intervening cells (IV cells) between the cortical and epidermal layers of the primary root. The origin and character of IV cells were examined. Microscopic observation of serial sections of the root tissue showed that IV cells developed from epidermal cells, and the outer cells overlying the epidermal cells developed into epidermal-like cells. The IV cells expressed the marker gene for cortical cells, which indicated that the IV cells were cortical in nature. IV cells were primarily observed in a cleft between two cortical cells or between a cortical and an IV cell, which suggests the involvement of positional information between cortical and epidermal cells. Ectopic root hairs were formed, and the expression patterns of β-glucuronidase driven by the GL2 and CPC promoters were irregular in the primary root of the anl2 mutant. These results indicate that ANL2 is required for the maintenance of epidermal cell lineage.
Hiroyoshi Kubo; Kenji Hayashi
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Publication Detail:
Type:  Journal Article     Date:  2011-01-28
Journal Detail:
Title:  Plant science (Shannon, Ireland)     Volume:  180     ISSN:  0168-9452     ISO Abbreviation:  Plant Sci.     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-03-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882015     Medline TA:  Plant Sci     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  679-85     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.
Department of Biology, Faculty of Science, Shinshu University, Matsumoto 390-8621, Japan.
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