Document Detail

Acquisition of embryogenic competency does not require cell division in carrot somatic cell.
MedLine Citation:
PMID:  22878456     Owner:  NLM     Status:  Publisher    
Totipotency is the ability of a cell to regenerate the entire organism, even after previous differentiation as a specific cell. When totipotency is coupled with active cell division, it was presumed that cell division is essential for this expression. Here, using the stress-induction system of somatic embryos in carrots, we show that cell division is not essential for the expression of totipotency in somatic/embryonic conversion. Morphological and histochemical analyses showed that the cell did not divide during embryo induction. Inhibitors of cell division did not affect the rate of somatic embryo formation. Our results indicate that the newly acquired trait of differentiation appears without cell division, but does not arise with cell division as a newborn cell.
Akira Kikuchi; Masashi Asahina; Motoki Tanaka; Shinobu Satoh; Hiroshi Kamada
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-10
Journal Detail:
Title:  Journal of plant research     Volume:  -     ISSN:  1618-0860     ISO Abbreviation:  J. Plant Res.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9887853     Medline TA:  J Plant Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Faculty of Life and Environmental Sciences, Gene Research Center, University of Tsukuba, 1-1-1 Ten-noudai, Tsukuba, Ibaraki, 305-8752, Japan,
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