Isolation of actinomycetes producing bioactive substances from water, soil and tree bark samples of the north–east of Algeria
✍ Scribed by M. Kitouni; A. Boudemagh; L. Oulmi; S. Reghioua; F. Boughachiche; H. Zerizer; H. Hamdiken; A. Couble; D. Mouniee; A. Boulahrouf; P. Boiron
- Publisher
- Masson Editeur
- Year
- 2005
- Tongue
- French
- Weight
- 123 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1156-5233
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✦ Synopsis
Twenty-five strains of actinomycetes were isolated from samples of water, soil and tree barks collected at two sites located in the north-east of Algeria. Antimicrobial activity was tested using the agar cylinder method against three Gram-positive bacteria, three Gram-negative bacteria, three yeasts and three filamentous fungi. Among the 25 isolates 14 (56%) strains showed an activity against at least one of the test-bacteria studied and two (8%) showed antifungal activity. Ninety-three percent of the active strains were identified by the universal PCR as belonging to the Streptomyces genus and 7% to the Actinomadura genus.