Involvement of Ethylene in Phytochrome-mediated Carotenoid Synthesis | Zendy

Bin G. Kang | Zendy; Stanley P. Burg | Zendy

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Involvement of Ethylene in Phytochrome-mediated Carotenoid Synthesis

Author(s) -

Bin G. Kang,

Stanley P. Burg

Publication year - 1972

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.49.4.631

Subject(s) - phytochrome , etiolation , pisum , carotenoid , ethylene , red light , sativum , pigment , chlorophyll , biology , botany , white light , biochemistry , chemistry , enzyme , materials science , organic chemistry , optoelectronics , catalysis

Accumulation of carotenoid pigments in the shoot apex of etiolated pea (Pisum sativum cv. Alaska) seedlings is completely prevented by ethylene. Under certain conditions carotenoid synthesis is normally controlled by endogenously produced ethylene. The gas completely inhibits carotenoid synthesis induced either by continuous white light or brief illumination with red light, but only partially inhibits light-induced chlorophyll formation. Far red illumination followed by red illumination reverses the action of red light on carotenoid synthesis. Red light-induced carotenogenesis is partly or wholly caused by phytochrome-mediated inhibition of ethylene biosynthesis.

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