In Vitro Protein Synthesis by Plastids of Phaseolus vulgaris. I. Localization of Activity in the Chloroplasts of a Chloroplast Containing Fraction from Developing Leaves | Zendy

Francesco Parenti | Zendy; Maurice M. Margulies | Zendy

Open Access

In Vitro Protein Synthesis by Plastids of Phaseolus vulgaris. I. Localization of Activity in the Chloroplasts of a Chloroplast Containing Fraction from Developing Leaves

Author(s) -

Francesco Parenti,

Maurice M. Margulies

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.42.9.1179

Subject(s) - chloroplast , phaseolus , plastid , ribonuclease , darkness , in vitro , protein biosynthesis , leucine , botany , biology , fraction (chemistry) , biochemistry , chemistry , amino acid , rna , chromatography , gene

The incorporation of uniformly labeled leucine-(14)C into protein by a chloroplast containing fraction from developing primary leaves of bean is reported. Chloroplasts, obtained from week old plants grown in darkness, and then illuminated with white light for 12 hours, were shown to be the principal sites of incorporating activity. Incorporation may continue for 2 hours. Rates of up to 50 mumumole leucine incorporated per mg protein per hour are observed when a 1 hour assay period is used. Incorporation is only partially sensitive to ribonuclease.

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