Studies on the Regeneration of Protochlorophyllide after Brief Illumination of Etiolated Bean Leaves | Zendy

Merrill L. Gassman | Zendy; Lawrence Bogorad | Zendy

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Studies on the Regeneration of Protochlorophyllide after Brief Illumination of Etiolated Bean Leaves

Author(s) -

Merrill L. Gassman,

Lawrence Bogorad

Publication year - 1967

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.42.6.781

Subject(s) - protochlorophyllide , etiolation , puromycin , phaseolus , darkness , biochemistry , chloramphenicol , nucleic acid , biology , in vivo , chemistry , botany , protein biosynthesis , enzyme , biosynthesis , antibiotics , microbiology and biotechnology

The effects of various inhibitors of nucleic acid and protein synthesis on protochlorophyllide synthesis in dark-grown Phaseolus vulgaris var. Red Kidney have been studied. Actinomycin D, chloramphenicol, and puromycin inhibit the regeneration of protochlorophyllide holochrome (detected as a 650 mmu absorption peak) in vivo in darkness after photoconversion of endogenous protochlorophyllide a to chlorophyllide a; this inhibition does not occur in similarly treated leaves supplied with delta-aminolevulinic acid.These data suggest that the regeneration of protochlorophyllide results from the synthesis of RNA and enzymes required for the production of delta-aminolevulinate.

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