Document Detail

Transdetermination of plant cells.
MedLine Citation:
PMID:  3699308     Owner:  NLM     Status:  MEDLINE    
Tissues derived from the leaf lamina of Nicotiana tabacum L. cv. Havana 425 plants require cytokinin for continuous proliferation in culture, whereas tissues derived from the cortex of the stem are cytokinin autotrophic. Both phenotypes persist when the two types of cells are cloned, indicating that leaf- and cortex-derived cells are determined to express different cytokinin requirements in culture. We showed that cultures derived from leaf and cortex tissues of plants regenerated from cloned leaf and cortex cells exhibit the cytokinin requirement of comparable tissues of seed-grown plants. This provides direct evidence that plant cells can undergo transdetermination and that this process has an epigenetic basis.
F Meins; R Foster
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Differentiation; research in biological diversity     Volume:  30     ISSN:  0301-4681     ISO Abbreviation:  Differentiation     Publication Date:  1986  
Date Detail:
Created Date:  1986-06-16     Completed Date:  1986-06-16     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0401650     Medline TA:  Differentiation     Country:  GERMANY, WEST    
Other Details:
Languages:  eng     Pagination:  188-9     Citation Subset:  IM    
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MeSH Terms
Cell Differentiation
Cells, Cultured
Cytokinins / physiology
Plants, Toxic*
Tobacco / cytology*,  genetics
Grant Support
Reg. No./Substance:

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