5-Methylthioribose kinase activity in plants

Mosbah M. Kushad, Daryl G. Richardson, Adolph J. Ferro

Research output: Contribution to journalArticlepeer-review


The presence of a previously unidentified plant enzyme, 5-methylthioribose kinase, has been demonstrated to exist in cell-free extracts from several fruit tissues. The enzyme catalyzes the ATP-dependent phosphorylation of 5-methylthioribose to 5-methylthioribose-1-phosphate. Enzyme activity has been found in avocado, pear, apple, strawberry and tomato tissues. The significance of the presence of this enzyme in relation to ethylene biosynthesis is discussed.

Original languageEnglish (US)
Pages (from-to)167-173
Number of pages7
JournalBiochemical and Biophysical Research Communications
Issue number1
StatePublished - Sep 16 1982

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology


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