Effects of Cyanide on Rates and Products of Fatty Acid Synthesis by Chloroplasts Isolated from Spinacia oleracea | Zendy

P. Grattan Roughan | Zendy; Harry Beevers | Zendy

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Effects of Cyanide on Rates and Products of Fatty Acid Synthesis by Chloroplasts Isolated from Spinacia oleracea

Author(s) -

P. Grattan Roughan,

Harry Beevers

Publication year - 1981

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.67.5.926

Subject(s) - spinacia , fatty acid synthesis , chloroplast , cyanide , biochemistry , fatty acid , glyceride , coenzyme a , biology , chemistry , enzyme , organic chemistry , reductase , gene

Cyanide inhibited unesterified fatty acid synthesis but stimulated glyceride synthesis from [1-(14)C]acetate when Spinacia oleracea chloroplasts were incubated in basal media. Both unesterified fatty acid and glyceride accumulation were inhibited when chloroplasts were incubated in a diacylglycerol mode. Stimulation of chloroplast fatty acid synthesis by either exogenous coenzyme A or Triton X-100 was almost completely abolished in the presence of cyanide. Stearoyl-ACP desaturation is considered to be inhibited to a greater extent than is fatty acid synthesis de novo.

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