NDLI: Growth, sporulation and toxin production byBacillus thuringiensis subsp.israelensis andB. sphaericus in media based on mustard-seed meal.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Gangurde, R. P. Shethna, Y. I.
Abstract	Bacillus thuringiensis subsp.israelensis andB. sphaericus strains 2362 and 1593 were grown in media based on defatted mustard-seed meal (MSM). The meal contains 40% (w/w) protein, with glutamic acid and arginine as the major amino acids. The toxic potencies of the final bacterial powders towardsCulex pipens quinquefasciatus Say, compared with those of the respective international reference standards, were 46% forB. thuringiensis subsp.israelensis, 62% forB. sphaericus 2362 and 88% forB. sphaericus 1593 when 2% (w/v) MSM was used for growth. With 4% (w/v) MSM,B. thuringiensis subsp.israelensis grew better but had undetectable larvicidal activity, whereas theB. sphaericus strains not only grew better but gave a higher degree of sporulation and toxicity. The potencies ofB. sphaericus in medium with 4% MSM were comparable with those of international reference standards.
File Format	HTM / HTML
ISSN	09593993
Issue Number	2
Journal	World Journal of Microbiology and Biotechnology
Volume Number	11
e-ISSN	15730972
Language	English
Publisher	Springer
Publisher Date	1995-03-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Microbiology Discipline Biotechnology
Content Type	Text
Resource Type	Article
Subject	Physiology Medicine Applied Microbiology and Biotechnology Biotechnology

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Growth, sporulation and toxin production byBacillus thuringiensis subsp.israelensis andB. sphaericus in media based on mustard-seed meal.