Thermophilic bacteria in moroccan hot springs, salt marshes and desert soils

Aanniz, T. and Ouadghiri, M. and Melloul, M. and Swings, J. and Elfahime, E. and Ibijbijen, J. and Ismaili, M. and Amar, M. (2015) Thermophilic bacteria in moroccan hot springs, salt marshes and desert soils. Brazilian Journal of Microbiology, 46 (2). pp. 443-453.

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Abstract

The diversity of thermophilic bacteria was investigated in four hot springs, three salt marshes and 12 desert sites in Morocco. Two hundred and forty (240) thermophilic bacteria were recovered, identified and characterized. All isolates were Gram positive, rod-shaped, spore forming and halotolerant. Based on BOXA1R-PCR and 16S rRNA gene sequencing, the recovered isolates were dominated by the genus Bacillus (97.5) represented by B. licheniformis (119), B. aerius (44), B. sonorensis (33), B. subtilis (subsp. spizizenii (2) and subsp. inaquosurum (6)), B. amyloliquefaciens (subsp. amyloliquefaciens (4) and subsp. plantarum (4)), B. tequilensis (3), B. pumilus (3) and Bacillus sp. (19). Only six isolates (2.5) belonged to the genus Aeribacillus represented by A. pallidus (4) and Aeribacillus sp. (2). In this study, B. aerius and B. tequilensis are described for the first time as thermophilic bacteria. Moreover, 71.25, 50.41 and 5.41 of total strains exhibited high amylolytic, proteolytic or cellulolytic activity respectively. © 2015, Sociedade Brasileira de Microbiologia.

Item Type:	Article
Uncontrolled Keywords:	Bacillus amyloliquefaciens; Bacillus licheniformis; Bacillus pumilus; Bacillus sonorensis; Bacillus sp.; Bacillus subtilis; Posibacteria, bacterial DNA; ribosome DNA; RNA 16S, Bacillaceae; bacterial spore; biodiversity; chemistry; classification; cluster analysis; cytology; DNA sequence; genetics; Gram positive asporogenous rod-shaped bacteria; isolation and purification; microbiology; molecular genetics; Morocco; phylogeny; radiation response; thermal spring, Bacillaceae; Biodiversity; Cluster Analysis; DNA, Bacterial; DNA, Ribosomal; Gram-Positive Rods; Hot Springs; Molecular Sequence Data; Morocco; Phylogeny; RNA, Ribosomal, 16S; Sequence Analysis, DNA; Soil Microbiology; Spores, Bacterial; Water Microbiology
Subjects:	Immunology and Microbiology
Divisions:	SCIENTIFIC PRODUCTION > Immunology and Microbiology
Depositing User:	Administrateur Eprints Administrateur Eprints
Last Modified:	31 Jan 2020 15:48
URI:	http://eprints.umi.ac.ma/id/eprint/3611

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