Diversity of Culturable Halophilic Archaea and Bacteria from Chott Tinsilt and El Malah Salt-Lake in Algeria

Current Research in Bioinformatics Pub Date : 2019-01-01 DOI:10.3844/ajbsp.2019.46.54

Akmoussi-Toumi Siham, Khemili-Talbi Souad, Kebbouche-Gana Salima, Lenchi Nesrine, Khelfaoui Mohamed Amine, Sayah Amna, Bouarab Ghania, Ferrioune Imen, M. Wafa, Najjari Afef

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Abstract

At the limits of life, hyper-saline aquatic ecosystems; Chott and Sebkha are a model of choice of extreme environments, housing a halophilic microflora that had to adapt to these conditions. In Algeria, these ecosystems are poorly studied. However, our study was carried out on the waters of Chott Tinsilt and Sebkha El Malah. The study of this microflora revealed the presence of a significant morphological, physiological and metabolic diversity. The molecular study allowed us to access to a phylogenetic affiliation including an Archean Species (ATS1) and 7 bacterial species (A1, A2, A3, A4, B1, B4, B5). The results showed that these isolates were related to the genera Haloferax (for the strain ATS1) and Halomonas (strains A1, A2 and A4), Staphylococcus (strain A3), Salinivibrio (strain B1), Planococcus (strain B4) and Halobacillus (strain B5). Most isolates produced hydrolases at high salt concentrations. The Production yields obtained are very promising for applications in the biotechnology and industrial microbiology.

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阿尔及利亚Chott tin淤泥和El Malah盐湖可培养嗜盐古菌和细菌的多样性

在生命的极限，高盐的水生生态系统;Chott和Sebkha是选择极端环境的典范，居住着必须适应这些条件的嗜盐微生物群。在阿尔及利亚，对这些生态系统的研究很少。然而，我们的研究是在Chott tin淤泥和Sebkha El Malah水域进行的。对该菌群的研究表明，该菌群具有显著的形态、生理和代谢多样性。分子研究使我们能够获得包括太古宙物种(ATS1)和7种细菌物种(A1, A2, A3, A4, B1, B4, B5)的系统发育关系。结果表明，这些分离株分别与盐腐菌属(ATS1)、盐单胞菌属(A1、A2和A4)、葡萄球菌属(A3)、盐弧菌属(B1)、平坦球菌属(B4)和盐杆菌属(B5)有关。大多数分离株在高盐浓度下产生水解酶。所得产率在生物技术和工业微生物学方面具有广阔的应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Current Research in Bioinformatics

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