The Protochlorophyllide Holochrome of Barley (Hordeum Vulgare L.)
- 1 November 1981
- journal article
- research article
- Published by Wiley in European Journal of Biochemistry
- Vol. 120 (1), 89-93
- https://doi.org/10.1111/j.1432-1033.1981.tb05673.x
Abstract
During the illumination of dark‐grown barley plants light induces a rapid decrease of a translatable mRNA which codes for a polypeptide of Mr44000. This component was identified as a precursor of the NADPH: protochlorophyllide oxidoreductase. The precursor has an Mrlarger than the authentic protein by approximately 8000. The light‐induced change in the level of translatable mRNA can be induced by a 15‐s red‐light pulse followed by 5 h of darkness. The red‐light effect is reversed by a subsequent far‐red‐light treatment. It is concluded that the light‐induced decline of translatable mRNA for the NADPH: protochlorophyllide oxidoreductase is controlled by phytochrome. The significance of this finding for present concepts of light‐dependent control of chloroplast development and chlorophyll synthesis is discussed.This publication has 24 references indexed in Scilit:
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