Document Detail

Role of mitochondria in the origin of chloroplast starch grains: description of the phenomenon.
MedLine Citation:
PMID:  16658866     Owner:  NLM     Status:  PubMed-not-MEDLINE    
By phase microscopic observation of living palisade parenchyma cells in sections of Nicotiana excelsior leaves from plants previously placed in the dark for 72 hours, 30 to 45 minutes of light is found to induce mitochondria to remain stationary within the concavity of the chloroplasts and become round. Extending the illumination period to 60 to 90 minutes causes the stationary mitochondria in the concavity to change from a translucent to an opaque appearance, the change coinciding with the first appearance of starch as detected by blue staining of the grains with I(2)-KI. It is speculated that an interaction bearing some resemblance to the previously described interaction between mitochondria and the mobile phase of the chloroplasts may also operate in the starch grain phenomenon.
S G Wildman; C Jope; B A Atchison
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Plant physiology     Volume:  54     ISSN:  0032-0889     ISO Abbreviation:  Plant Physiol.     Publication Date:  1974 Sep 
Date Detail:
Created Date:  2010-06-29     Completed Date:  2010-06-29     Revised Date:  2010-09-14    
Medline Journal Info:
Nlm Unique ID:  0401224     Medline TA:  Plant Physiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  231-7     Citation Subset:  -    
Department of Biology, Molecular Biology Institute, University of California, Los Angeles, California 94720.
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