Production of extracellular proteases and amylases by some acidophilic and alkalophilic bacteria.
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1996-03-01
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Twelve bacteria were isolated from two effluent sources of Shaw-Wallace Gelatins, Jabalpur. Six bacteria from dicalcium phosphate plant effluent (pH-5) and six from main drain of the factory (pH-10) were isolated. Two facultatively acidophilic and two facultatively alkalophilic bacteria were selected and tentatively identified as Plesiomonas shigelloides, Aeromonas hydrophilla, Klebsiella pneumoniae and Staphylococcus saprophyticus respectively. Acidic amylases were produced in higher amounts on 4th day of incubation by Plesiomonas shigelloides and on 6th day by Aeromonas hydrophilla. Alkaline amylases were produced in higher amounts on 4th day of incubation by Klebsiella pneumoniae and on 8th day by Staphylococcus saprophyticus in vitro.
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Sharma A, Ball B, Gill R, Hasija SK. Production of extracellular proteases and amylases by some acidophilic and alkalophilic bacteria. Indian Journal of Experimental Biology. 1996 Mar; 34(3): 232-4