Partial Characterization of Antagonistic Principle of Bacillus subtilis AF 1

Podile, A. R. ; Prasad, G. S. ; Dube, H. C. Partial Characterization of Antagonistic Principle of Bacillus subtilis AF 1 Journal of Biological Control, 1 (1). pp. 60-65. ISSN 0971-930X

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Related URL: http://dx.doi.org/10.18641/jbc/1/1/49998

Abstract

Attempts have been made to characterize the antagonistic principle of Bacillus subtilis AF 1, against Rhizopus nigricans. The compound was non-dialyzable and the protein precipitates of B. subtilis AF1 culture filtrates had no effect on R. nigricans. However, the pellet collected from alcohol precipitation had effect on formation of the reproductive structures. The compound was more soluble in chloroform than diethyl ether. Mn and Fe supplementation to potato dextrose broth showed an increase in the production of antagonistic principle. Temperature had no bearing. The compound seems to be acidic and negatively charged. The organism failed to produce extracellular chitinase on chitin supplemented salts containing medium.

Item Type:Article
Source:Copyright of this article belongs to Society for Biocontrol Advancement.
Keywords:Bacillus subtilis; Antibiotics; Biological Control; Rhizopus nigricans
ID Code:104172
Deposited On:09 Mar 2018 10:54
Last Modified:09 Mar 2018 10:54

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