INDUCTION OF ROSMARINIC ACID BIOSYNTHESIS IN LITHOSPERMUM-ERYTHRORHIZON CELL-SUSPENSION CULTURES BY YEAST EXTRACT

被引：2

作者：

MIZUKAMI, H ^{[1
]}

OGAWA, T ^{[1
]}

OHASHI, H ^{[1
]}

ELLIS, BE ^{[1
]}

机构：

[1] UNIV BRITISH COLUMBIA, DEPT PLANT SCI, VANCOUVER V6T 1Z4, BC, CANADA

来源：

PLANT CELL REPORTS | 1992年 / 11卷 / 09期

关键词：

ROSMARINIC ACID-BIOSYNTHESIS; LITHOSPERMUM-ERYTHRORHIZON-INDUCTION;

D O I：

暂无

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A transient increase in rosmarinic acid (RA) content in cultured cells of Lithospermum erythrorhizon was observed after addition of yeast extract (YE) to the suspension cultures, reaching a maximum at 24 hr. The highest increase of the RA content (2.5-fold) was obtained when 6-day-old cells in the exponential growth phase were with YE. Preceding the induced RA accumulation, phenylalanine ammonia-lyase (PAL) activity increased rapidly, whereas tyrosine aminotransferase (TAT) activity was largely unaffected by the treatment. The incorporation of both C-14-phenylalanine and C-14-tyrosine into RA was enhanced in the YE-treated cells, consistent with increased synthesis of the ester.

引用

页码：480 / 483

页数：4

共 18 条

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