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Cinnamate toxicity expression on phenylalanine ammonia-lyase activity, germination and growth of cucumber (Cucumis sativis) seedlings

Khan, NU and Vaidyanathan, CS (1987) Cinnamate toxicity expression on phenylalanine ammonia-lyase activity, germination and growth of cucumber (Cucumis sativis) seedlings. In: Plant and Soil, 97 (2). pp. 299-302.

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Abstract

Cinnamate is the product of phenylalanine ammonialyase (PAL). This compound, a precursor of phenolics in plants, has been shown to be phytotoxic. Cinnamate inhibits PAL activity in cucumber seedlings. DL-phenylalanine has the same effect on the enzyme but does not affect growth. Actinomycin D and cycloheximide are phytotoxic and inhibit PAL. Production of a double-peg has been noticed in the seedlings, grown in the presence of actinomycin D. Light stimulates PAL activity in the seedling.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Keywords: Actinomycin D Cycloheximide Cinnamic acid PAL Phytotoxicity Soil pollutant.
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 29 Jul 2009 03:19
Last Modified: 19 Sep 2010 05:38
URI: http://eprints.iisc.ernet.in/id/eprint/21762

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