✦ LIBER ✦

Proteolytic activity of Aeromonas caviae

✍ Scribed by T. Karunakaran; B. G. Devi

Publisher: John Wiley and Sons
Year: 1995
Tongue: English
Weight: 487 KB
Volume: 35
Category: Article
ISSN: 0233-111X
DOI: 10.1002/jobm.3620350409

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✦ Synopsis

Aemmonus strains produce a variety of virulence factors including proteases. Studies on the kinetics of growth of Aerornonas cuviue NRRL B-966 and its proteases suggest that the proteolytic activities are produced throughout the growth phase, with peak level occumng at stationary phase. A. cuviue synthesize both intracellular and extracellular proteases with the latter account for major portion of the total activity. Optimum pH for the A. cuviue proteolytic activity is at 7.0. A. cuviue produces a thermoresistant protease, whose activity is dependent on Mg" and Ca" ions. Inhibition of proteolytic activity by phenyl methyl sulfonyl fluoride suggest the presence of a serine protease in A. cuviue. Nitrogenous compounds enhance the proteolytic activity while carbohydrates tested in this study inhibit the activity.

Aeromonas caviae has been implicated in diarrhoea1 cases of formula-fed children, intestinal and extra-intestinal infections and are isolated from aquatic ecosystems (ALTWEGG

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