Polyribosomes from Peas | Zendy

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Polyribosomes from Peas

Author(s) -

Eric Davies

Publication year - 1976

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.57.4.516

Subject(s) - polysome , pisum , auxin , biology , gibberellic acid , biochemistry , membrane , messenger rna , rna , microbiology and biotechnology , botany , ribosome , gene , germination

Auxin treatment of aged pea stems (Pisum sativum L. var. Alaska) caused a decrease in monosomes (especially free monosomes) and an increase in polysomes (especially membrane-bound polysomes). These effects were not duplicated by gibberellic acid or benzyladenine. These auxin-stimulated shifts in polysome distribution commenced at least 9 hours before significant growth took place. It is suggested that this auxin-stimulated incorporation of free monosomes into membrane-bound polysomes might involve increased utilization (through activation or synthesis) of messenger RNA(s) acting as template(s) for synthesis of secretable enzyme(s) involved in growth.

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