Role of a small plasmid in the modification of carbon monoxide dehydrogenase in Pseudomonas carboxydovorans

M. O. Kwon, I. K. Chung, Y. M. Kim

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2 Citations (Scopus)

Abstract

Soluble fractions prepared from cells of Pseudomonas carboxydovorans bearing a small plasmid (1.76 × 106) exhibited proteolytic activity on the β-subunit of CO dehydrogenase (CO-DH) in plasmid-cured cells of the same strain, implying that the plasmid carries gene(s) for processing the β subunit of the enzyme at the post-translational level. The protease was found to be a constitutive enzyme. It did not hydrolyze the β subunit of CO-DH in Pseudomonas carboxydohydrogena. Analysis of CO-DH after transformation of the cured cells with the small plasmid confirmed that the plasmid plays a role in the modification of the β subunit of CO-DH in P. carboxydovorans.

Original languageEnglish
Pages (from-to)113-116
Number of pages4
JournalFEMS Microbiology Letters
Volume37
Issue number1
DOIs
Publication statusPublished - 1986 Oct

Bibliographical note

Funding Information:
This work was supported by a grant from the Korea Research Foundation (1985-1986).

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Molecular Biology
  • Genetics

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