Auxin-induced Changes in the Incorporation of 3H-Amino Acids into Soybean Ribosomal Proteins | Zendy

R. L. Travis | Zendy; Joe L. Key | Zendy

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Auxin-induced Changes in the Incorporation of ³H-Amino Acids into Soybean Ribosomal Proteins

Author(s) -

R. L. Travis,

Joe L. Key

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.57.6.936

Subject(s) - ribosome , auxin , ribosomal rna , cycloheximide , ribosomal protein , biochemistry , hypocotyl , amino acid , protein biosynthesis , glycine , polysome , chemistry , eukaryotic ribosome , biology , rna , botany , gene

Auxin-induced activation of 80S ribosomes and polyribosome formation in mature soybean (Glycine max var. Hawkeye) hypocotyl (R. L. Travis, J. M. Anderson, and J. L. Key. 1973. Plant Physiol. 52: 608-612) in the presence of a mixture of radioactive amino acids correlates with an increased specific radioactivity of at least three ribosomal proteins; the labeling of one of these increased severalfold above the control level. Results of experiments with 5-fluorouracil and cycloheximide indicated that the proteins in question were synthesized in response to auxin and became associated with pre-existing ribosomes. Ribosome dissociation experiments indicated that these proteins were associated with the 60S ribosome subunit.

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