GERANYL DIPHOSPHATE SYNTHASE IN LEAVES OF PELARGONIUM-ROSEUM

被引:22
作者
SUGA, T
ENDO, T
机构
[1] Department of Chemistry, Faculty of Science, Hiroshima University, Naka-ku, Hiroshima, 730, Higashisenda-machi
关键词
PELARGONIUM-ROSEUM; GERANIACEAE; GERANIUM; LEAVES; GERANYL DIPHOSPHATE SYNTHASE; PRENYLTRANSFERASE;
D O I
10.1016/0031-9422(91)85007-M
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A chain-length-specific geranyl diphosphate synthase was detected in leaves of Pelargonium roseum. The enzyme systems, farnesyl diphosphate synthase [EC 2.5.1.1], geranylgeranyl diphosphate synthase and isopentenyl diphosphate isomerase [EC 5.3.2.2], were also detected. Furthermore, geranyl diphosphate synthase was separated from farnesyl diphosphate synthase by hydrophobic chromatography on Butyl-Toyopearl 650. This separation demonstrates that there are two specific synthases, geranyl diphosphate synthase and farnesyl diphosphate synthase, in this higher plant. The geranyl diphosphate synthase was localized in a subcellular membrane fraction rather than in the soluble fraction. The synthase was activated by Mn2+ rather than Mg2+.
引用
收藏
页码:1757 / 1761
页数:5
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