Fat Metabolism in Higher Plants | Zendy

C. Gamini Kannangara | Zendy; P.K. Stumpf | Zendy

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Fat Metabolism in Higher Plants

Author(s) -

C. Gamini Kannangara,

P.K. Stumpf

Publication year - 1972

Publication title -

plant physiology

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.49.4.497

Subject(s) - spinach , chemistry , stearate , nitrite reductase , biochemistry , metabolism , chloroplast , nitrite , food science , enzyme , biology , nitrate reductase , nitrate , organic chemistry , gene

Intact spinach and barley chloroplast normally incorporate (14)C-acetate into palmitate and oleate as the major (14)C fatty acids. Addition of nitrite markedly altered the relative patterns of the products with the appearance of stearate, a drop in oleate, but no marked change in palmitate. Arsenite greatly increased appearance of palmitate with a concomitant decrease in the C(18) fatty acids. The effect of other anions was also examined. Spinach and barley plants grown under different nitrogen nutritional conditions also served as sources of chloroplasts, and their activities suggest a correlation between nitrite reductase activity and stearate accumulation.

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