Abstract：
:This study was undertaken to identify exopolysaccharide-producing bacteria gathered from 18 hypersaline habitats. Phenotypic studies performed with 134 isolates revealed the majority of them to be Gram-negative rods with respiratory metabolism, belonging to the genus Halomonas. A numerical analysis of the 114 phenotypic data showed that at an 80% similarity level most of the strains (121) could be grouped into six phenotypic groups. Phenon A included 25 new isolates and the reference strain of Halomonas eurihalina, and phenon B was formed by 77 new isolates and Halomonas maura. Phenon C was also related to H. maura although to a lesser extent than strains in group B. Three phena (D, E, and F) could not be grouped with any of the reference strains and may represent new taxa; their G + C contents and DNA-DNA hybridization data corroborated this hypothesis. Results of this work proved that the most abundant halophilic species EPS producer in hypersaline habitats was H. maura, followed by H. eurihalina.
journal_name
Curr Microbioljournal_title
Current microbiologyauthors
Martínez-Cánovas MJ,Quesada E,Martínez-Checa F,Béjar Vdoi
10.1007/s00284-003-4208-0keywords:
subject
Has Abstractpub_date
2004-05-01 00:00:00pages
348-53issue
5eissn
0343-8651issn
1432-0991journal_volume
48pub_type
杂志文章abstract：:A new antagonistic Burkholderia strain, designated MP-1 and producing antifungal activities against various filamentous plant pathogenic fungi, was isolated from the rhizoshere in the Naju area. Cultural characteristic studies strongly suggested that this strain belongs to the genus Burkholderia. The nucleotide sequen...
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