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Numerical taxonomy of moderately halophilic Gram-negative bacteria from hypersaline soils

Opened Access Numerical taxonomy of moderately halophilic Gram-negative bacteria from hypersaline soils
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Autor: Quesada, E.
Ventosa Ucero, Antonio
Rodríguez Valera, Francisco
Megías, L.
Ramos Cormenzana, Alberto
Departamento: Universidad de Sevilla. Departamento de Microbiología y Parasitología
Fecha: 1983
Publicado en: The Journal of General Microbiology, 128 (8), 2649-2657.
Tipo de documento: Artículo
Resumen: A total of 132 moderately halophilic bacteria were isolated from hypersaline soils with a C1- content between 2-36 and 12.72% (w/v) located near Alicante (S.E. Spain) and examined for 98 phenotypic characteristics including their response to cytological, physiological, biochemical and nutritional tests. They were submitted to a numerical analysis together with six reference strains using both simple matching (SsM)a nd Jaccard (S,) coefficients, and cluster analysis was carried out by the unweighted pair group method of association (UPGMA), single linkage and complete linkage. With the S, coefficient and UPGMA clustering, eight phenons were obtained at the 65% similarity level. From each phenon representative strains were chosen for the determination of DNA base composition and for electron microscopy. Bacteria belonging to phenons D, E, and F were assigned to the genus Alcaligenes. Phenon G included 27 strains assigned to Acinetobacter, but the high G + C composition (58.9 mol%) of a ...
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URI: http://hdl.handle.net/11441/18226

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