Lipase activities in scutella of maize lines having diverse kernel lipid content

The maize lines, Illinois High Oil, Illinois Low Oil, and their F1 generation contained about 18%, 0.5%, and 10%, respectively, of kernel lipids, which were present mostly in the scutella. We explored to see if the activities of gluconeogenic enzymes which appeared in postgerminative growth were pro...

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Bibliographic Details
Published in:Plant physiology (Bethesda) 1984-11, Vol.76 (3), p.837-839
Main Authors: Wang, S M, Lin, Y H, Huang, A H
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
Breeding
Corn
Economic plant physiology
Enzymes
Fatty acids
Fundamental and applied biological sciences. Psychology
Grinding
Isocitrates
Lipid bodies
Lipids
Metabolism
Nutrition. Photosynthesis. Respiration. Metabolism
Plant physiology and development
Seedling growth
Seedlings
Short Communications
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Summary:The maize lines, Illinois High Oil, Illinois Low Oil, and their F1 generation contained about 18%, 0.5%, and 10%, respectively, of kernel lipids, which were present mostly in the scutella. We explored to see if the activities of gluconeogenic enzymes which appeared in postgerminative growth were proportional to the lipid content in each maize line. This proportionality was found to be valid in lipase, but the two glyoxysomal enzymes, catalase and isocitrate lyase, were the same in the three maize lines irrespective of the lipid content. The results suggest a difference in the genetic control of the gluconeogenic enzymes and a co-selection for high lipid content and high lipase activity through breeding.
ISSN:0032-0889
1532-2548
DOI:10.1104/pp.76.3.837