Document Detail

Phospholipid Biosynthesis and Fatty Acid Content in Relation to Chilling Injury during Germination of Seeds.
MedLine Citation:
PMID:  16660209     Owner:  NLM     Status:  PubMed-not-MEDLINE    
The proportion of labeled (14)C-glycerol incorporated into phospholipids and the fatty acid composition of three phospholipids in germinating seeds and seedlings of chilling-sensitive lima beans (Phaseolus lunatus L.) and chilling-resistant broad beans (Vicia faba L.) and peas (Pisum sativum L.) at 10 and 25 C were determined. During the imbibition of seeds (first 24 hours), lima beans were sensitive to chilling injury at 10 C and a higher proportion of label was incorporated into phosphatidylethanolamine and phosphatidylglycerol than in broad beans and peas. Broad beans and peas incorporated a higher proportion of label into phosphatidylcholine. The oleic acid content of phosphatidylcholine was higher and linolenic acid content was lower in peas and broad beans than in lima beans at 10 and 25 C. The unsaturated to saturated fatty acid ratio was much higher for the chilling-resistant seeds than for the chilling-sensitive ones. In the seedling stage, the proportion of label incorporated into the four major phospholipids was similar in the three species regardless of temperature treatment. The fatty acid content of the phospholipids examined was not different in the three species in the seedling stage.
C C Dogras; D R Dilley; R C Herner
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Plant physiology     Volume:  60     ISSN:  0032-0889     ISO Abbreviation:  Plant Physiol.     Publication Date:  1977 Dec 
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:  897-902     Citation Subset:  -    
Department of Horticulture, Michigan State University, East Lansing, Michigan 48824.
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