African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12496

Full Length Research Paper

Characterization of Streptomyces strain SLO-105 isolated from Lake Oubeira sediments in North-East of Algeria

Houda Morakchi1,2*, Adel Ayari1, Mira Taok2, Djamila Kirane1 and Nelly Cochet2
  1Applied Microbial Laboratory, Department of Microbiology and biochemistry, Badji Mokhtar University, P.O. Box 12. 23000 Annaba, Algeria. 2University of Technology of Compiegne. BP 20 529. 60 205. Compiegne, France.
Email: [email protected]

  •  Accepted: 29 September 2009
  •  Published: 16 November 2009

Abstract

 

A microbial strain, SLO-105, isolated from Lake Oubeira sediment was screened for its antimicrobial activity against pathogenic bacteria and fungi. The strain showed broad-spectrum antibacterial activity against Gram-positive bacteriaStaphylococcus aureus MRSA, Bacillus subtilus, Micrococcus leutus,Streptococcus fecalis and fungi Aspergillus niger and Rodotorulla mucilaginosa.However, no activity of the strain was observed against Gram negative bacteriaEscherichia coli and Pseudomonas aeruginosa as well as on fungi Candida albicans. Analysis of 16S rDNA sequence and the morphological and physiological characteristics of the strain suggested that the isolate belonged to Streptomycesgenus.

 

Key words: Streptomyces, rDNA analysis, micro-morphology, physiology, antimicrobial.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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