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The Occurrence of Phytylpyrophosphate and Acyl Esters of Phytol in Irradiated Dark‐Grown Barley Seedlings and Their Possible Role in Biosynthesis of Chlorophyll
Author(s) -
LILJENBERG CONNY
Publication year - 1977
Publication title -
physiologia plantarum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.351
H-Index - 146
eISSN - 1399-3054
pISSN - 0031-9317
DOI - 10.1111/j.1399-3054.1977.tb04017.x
Subject(s) - phytol , palmitic acid , chemistry , irradiation , chlorophyll , biosynthesis , fatty acid , biochemistry , organic chemistry , gene , physics , nuclear physics
Dark‐grown barley seedlings which had been irradiated for 6 to 8 h have been shown to contain fatty acid esters of phytol. No such esters could be found in non‐irradiated seedlings. The fatty acids were saturated or had only one double bond. The most prominent acid was palmitic acid. Isolated etio‐chloroplasts from non‐irradiated and irradiated barley seedlings also contained phytylpyrophosphate. The ratio of free phytol to phytylpyrophosphate is only little changed when the seedlings are irradiated for 6 to 8 h. The chemical identifications of free phytol and the phytol derivatives are based upon combined gas chromatography/mass spectrometry.