Control of the Biosynthesis of Phenylalanine and Tyrosine in Plant Tissue Cultures: Lack of Repression of Chorismate Mutase
作者:
MARGARET CHU,
J. M. WIDHOLM,
期刊:
Physiologia Plantarum
(WILEY Available online 1972)
卷期:
Volume 26,
issue 1
页码: 24-28
ISSN:0031-9317
年代: 1972
DOI:10.1111/j.1399-3054.1972.tb03540.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
AbstractTobacco, rice, carrot and tomato tissue cultures were grown in liquid media containing l‐phenylalanine or l‐tyrosine, or both together. The addition of these amino acids increased their respective cellular levels (4–20 fold), but did not lower the level of chorismate mutase, an enzyme in the biosynthetic pathway of phenylalanine and tyrosine. These results indicate that the biosynthesis of phenylalanine and tyrosine in cultured plant cells is not regulated by repression of the synthesis of chorismate mutase by phenylalanine or tyr
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