Isolation and identification of Streptomyces sp. and assay of its exocellular water-soluble blue pigments
Language English Country United States Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
12503393
DOI
10.1007/bf02818787
Knihovny.cz E-resources
- MeSH
- Pigments, Biological chemistry metabolism toxicity MeSH
- Cell Wall chemistry MeSH
- Genes, rRNA MeSH
- Molecular Sequence Data MeSH
- Mice MeSH
- Soil Microbiology MeSH
- DNA, Ribosomal analysis MeSH
- RNA, Ribosomal, 16S genetics MeSH
- Solubility MeSH
- Sequence Analysis, DNA MeSH
- Streptomyces classification growth & development isolation & purification ultrastructure MeSH
- Bacterial Typing Techniques MeSH
- Animals MeSH
- Check Tag
- Mice MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Pigments, Biological MeSH
- DNA, Ribosomal MeSH
- RNA, Ribosomal, 16S MeSH
A bacterial strain producing a great amount of blue pigment during submerse fermentation was isolated and identified. Based on morphological characteristics, cell-wall chemotype and sequence of 16S rRNA gene, the strain should belong to the genus Streptomyces; it had 99.4% homology of 16S rRNA gene sequence with that of Streptomyces indigocolor. The pigment production by the strain was affected by carbon and nitrogen sources. The main components of the pigment mixture (detected by HPLC and TLC) were tentatively classified as actinorhodin-related compounds. The pigment was relatively stable against light and higher temperature but was sensitive to low pH. The preliminary acute-toxicity determination showed that the pigment was nontoxic (LD50 > 15 mg/g).
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GENBANK
AF275257