Production and characteristics of the exocellular polysaccharide of a mutant Mycobacterium strain
Language English Country United States Media print
Document type Journal Article
PubMed
2269445
DOI
10.1007/bf02821408
Knihovny.cz E-resources
- MeSH
- Polysaccharides, Bacterial biosynthesis chemistry MeSH
- Chromatography, Gas MeSH
- Culture Media MeSH
- Mutation MeSH
- Mycobacterium genetics growth & development metabolism MeSH
- Publication type
- Journal Article MeSH
- Names of Substances
- Polysaccharides, Bacterial MeSH
- Culture Media MeSH
Mutant strains of Mycobacterium sp. V-649 producing highly mucous colonies on a solid cultivation medium were prepared after treatment with N-methyl-N'-nitro-N-nitrosoguanidine and production of the exocellular polysaccharide was tested. The strains were cultivated in media with suitable sugar sources under submerged conditions. It was found that Mycobacterium sp. V-649/15 produces a maximum of 15-19% polymer after a 5-6-d cultivation. Gas chromatography indicated that the exocellular polysaccharide produced by this strain is of glucan type.
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