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Taxonomy Citation ID Reference
23075 Hu  ZY, Li  Y,     ( 2007 )

Pseudidiomarina sediminum sp. nov., a marine bacterium isolated from coastal sediments of Luoyuan Bay in China.

International journal of systematic and evolutionary microbiology 57 (Pt 11)
PMID : 17978220 DOI  :   10.1099/ijs.0.65199-0    
Abstract >>
A strain of heterotrophic, facultatively anaerobic, marine bacterium, designated strain c121T, was isolated from coastal sediment of Luoyuan Bay, in Fujian province, PR China. Analysis of the 16S rRNA gene sequence revealed an affiliation with the genus Pseudidiomarina; the sequence similarity between c121T and Pseudidiomarina taiwanensis PIT1T was 97%. Cells of the novel strain were non-pigmented, Gram-negative rods, 0.3 microm wide and 1.2-1.8 microm long. Cells grown in broth cultures were non-motile, lacking flagella. Growth of the strain was observed at salinities ranging from 0.5 to 15 % NaCl, and the optimal concentration was about 1-8%. The temperature range for growth was rather broad and was high for a marine bacterium: the strain grew at 13-42 degrees C, showed good growth at 20-40 degrees C and had an optimum between 30 and 40 degrees C. The major cellular fatty acids were iso-C15:0 (24.2%), C16:1omega7c/iso-C15:0 2-OH (15.3%) and iso-C17:1omega9c (11.9%). The DNA G+C content was 50.0 mol%. Phylogeny based on 16S rRNA gene sequences, together with data from phenotypic and chemotaxonomic characterization, revealed that strain c121T could be classified within a novel species of the genus Pseudidiomarina, for which the name Pseudidiomarina sediminum sp. nov. is proposed, with the type strain c121T (=CICC 10319T=LMG 24046T).
KeywordMeSH Terms
23070 Taborda  M, Antunes  A, Tiago  I, Veríssimo  A, Nobre  MF, da Costa  MS,     ( 2009 )

Description of Idiomarina insulisalsae sp. nov., isolated from the soil of a sea salt evaporation pond, proposal to transfer the species of the genus Pseudidiomarina to the genus Idiomarina and emended description of the genus Idiomarina.

Systematic and applied microbiology 32 (6)
PMID : 19625151 DOI  :   10.1016/j.syapm.2009.06.005    
Abstract >>
A halophilic, aerobic Gram-negative bacterium, designated strain CVS-6(T), was isolated from a sea salt evaporation pond on the Island of Sal in the Cape Verde Archipelago. Phylogenetic analysis of the 16S rRNA gene sequence revealed a clear affiliation of the organism with members of the family Idiomarinaceae. Sequence similarities between CVS-6(T) and the type strains of the species of the genera Pseudidiomarina and Idiomarina ranged from 93.7% to 96.9%. The major isoprenoid quinone was ubiquinone 8 (Q-8). The major cellular fatty acids were 15:0 iso (21.8%), 17:0 iso (12.5%), 17:1 iso omega9c (10.7%), and 16:1 omega7c (10.6%). The DNA G+C content was 51.6 mol%. The species represented by strain CVS-6(T) could be distinguished from the species of the genera Pseudidiomarina and Idiomarina; however, it was not possible to distinguish both genera from each other using the phenotypic or chemotaxonomic characteristics examined. Consequently, we propose that the species classified in the genus Pseudidiomarina should be transferred to the genus Idiomarina. We also propose that, on the basis of physiological and biochemical characteristics, strain CVS-6(T) (=LMG 23123=CIP 108836) represents a new species which we name Idiomarina insulisalsae.
KeywordMeSH Terms
Sodium Chloride
Soil Microbiology
26185 Validation List No. 131: "List of new names and new combinations previously effectively, but not validly, published." Int. J. Syst. Evol. Microbiol. (2010) 60:1-2.

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