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Nichols, Carol Mancuso; Bowman, John; Guezennec, Jean. |
A Gram-negative, aerobic, gliding, orange-yellow marine bacterium was isolated from particulate material sampled from the Southern Ocean. This strain produced an exopolysaccharide in liquid culture. 16S rRNA gene sequence analysis showed that this isolate was a member of the family Flavobacteriaceae, but represented a separate lineage. Major whole-cell fatty acids included i15:1 omega 10c, i15:0, beta-OH i15:0, a15:1 omega 10c, 15:0 and alpha-OH i15:0. The G+C content of the DNA was 49 mol%. Based on phylogenetic, phenotypic, chemotaxonomic and genotypic analyses, this bacterium was placed in a novel taxon as Olleya marilimosa gen. nov., sp. nov. with type strain CAM030(T) (=ACAM 1065(T)=CIP 108537(T)). |
Tipo: Text |
Palavras-chave: Microbiology; Classification; Identification; Bacterie. |
Ano: 2005 |
URL: http://archimer.ifremer.fr/doc/2005/publication-457.pdf |
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Leonard, Noemie. |
Recirculation of the water of fish rearing systems requires a biological treatment based on the nitrifying activity of autotrophic bacteria. In parallel heterotrophic bacterial populations utilise the organic substrate, produced by the fish, to grow. Opposite to the autotrophic populations, the heterotrophic bacteria (1) have a quick growth and (2) might contain fish pathogenic strains. The main aim was to characterise the heterotrophic bacteria populations ?.nd to understand (1) which parameters do control the dynamics of their populations and (2) their influence on the quality of the recirculating water. In a rearing system, the heterotrophic bacterial populations are stable in number and in genus, for a given operating mode. The bacteria are either... |
Tipo: Text |
Palavras-chave: Carbon; Gills; Bacterium; Humics substances; Fish; Ozone; Aquiculture; Carbone; Branchies; Bacterie; Substances humiques; Poisson; Ozone; Aquaculture. |
Ano: 2000 |
URL: http://archimer.ifremer.fr/doc/2000/these-1728.pdf |
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