Characterization of cytotoxin-producing Aeromonas caviae (strain HT10) isolated from a sulfur spring in Orissa, India

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During a study of microbial diversity, a bacterial strain designated HT10, was isolated from sediment collected from an unexplored sulfur spring at Athamallik, Orissa, India. Various biochemical tests and 16S rDNA sequence analysis revealed that strain HT10 is Aeromonas caviae. The growth temperature of this strain ranged from 12 to 43°C and the optimum temperature was 30°C. The strain HT10 showed cytotoxic and α-hemolytic activity. This is the first report on the isolation of Aeromonas caviae from sulfur spring.

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