Journal of Microbiology

The Microbiological Society of Korea (한국미생물학회)
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The Influence of NaCl and Carbonylcyanide-m-Chlorophenylhydrazone on the Production of Extracellular Proteases in a Marine Vibrio Strain

  • Kim, Young-Jae (Department of Microbiology, Changwon National University)
  • Published : 2004.06.01
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Abstract

In general, the salinity of the ocean is close to 3.5％ and marine vibrios possess the respiratory chain-linked Na$\^$+/ pump. The influence of sodium chloride and the proton conductor carbonylcyanide m-chlo-rophenylhydrazone (CCCP) on the production of extracellular proteases in a marine Vibrio strain was examined. At the concentration of 0.5 M, sodium chloride minimally inhibited the activity of extra-cellular proteases by approximately 16％, whereas at the same concentration, the producton of extra-cellular proteases was severely inhibited. On the other hand, the production of extracellular proteases was completely inhibited by the addition of 2 ${\mu}$M CCCP at pH 8.5, where the respiratory chain-linked Na$\^$+/ pump functions.

Keywords

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