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. 1993;38(1):25-8.
doi: 10.1007/BF02814544.

Antimicrobial activity determined in strains of Bacillus circulans cluster

C Perez  1 , C Suarez, G R Castro
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Antimicrobial activity determined in strains of Bacillus circulans cluster

C Perez et al. Folia Microbiol (Praha). 1993.

Abstract

Wild-type strains of the genus Bacillus were screened for antimicrobial activity. Two strains exhibited antimicrobial activity against Micrococcus luteus and were identified as Bacillus polymyxa MIR-23 and Bacillus circulans MIR-13. Bacillus polymyxa MIR-23 was active against Escherichia coli, Pseudomonas aeruginosa and Aspergillus niger, whereas Bacillus circulans MIR-13 did not show activity against these microorganisms. Bacillus subtilis ATCC 6633 and B. polymyxa ATCC 10401 were used as standard antibiotic-producer strain and showed different antimicrobial profiles and yields from B. polymyxa MIR-23. The different antimicrobial profile of the two selected strains could possibly be used as a taxonomic marker.

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