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Registros recuperados: 6
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Anaerobic bacteria from hypersaline environments IRD
Ollivier, Bernard; Caumette, P.; Garcia, Jean-Louis; Mah, R.A..
Tipo: Text Palavras-chave: BACTERIE; ANAEROBIOSE; FERMENTATION; METHANOGENESE; SULFATOREDUCTION; TAXONOMIE; ECOLOGIE; EAU CONTINENTALE; HYPERSALINITE; BACTERIE PHOTOTROPHE; BACTERIE SULFATO REDUCTRICE; BACTERIE FERMENTAIRE; BACTERIE ANAEROBIE; BACTERIE METHANOGENE; SYNTHESE BIBLIOGRAPHIQUE.
Ano: 1994 URL: http://www.documentation.ird.fr/hor/fdi:41111
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Characterization of Desulfovibrio giganteus sp. nov., a sulfate-reducing bacterium isolated from a brackish coastal lagoon IRD
Esnault, Gilles; Caumette, P.; Garcia, Jean-Louis.
In the course of ecological studies in Berre Lagoon, a mediterranean brackish coastal lagoon (Marseille, France), a new slightly halophilic sulfate-reducing bacterium was isolated from anoxic sediments enriched with lactate plus sulfate, and cysteine-HCL as reductant. Because of its morphology and the incomplete oxidation of organic substrates, the isolated strain 8601 was assigned to the genus #Desulfovibrio$, resembling #Desulfovibrio gigas$. However, it differed from this species in some morphological and physiological characteristics : only one polar flagellum the utilization of methanol, isopropanol, glycerol and cysteine as energy source. Therefore a new species #Desulfovibrio giganteus$ is described. (Résumé d'auteur)
Tipo: Text Palavras-chave: BACTERIE; SULFATOREDUCTION; ESPECE NOUVELLE; TAXONOMIE; MORPHOLOGIE; DIAGNOSE; HALOPHILE.
Ano: 1988 URL: http://www.documentation.ird.fr/hor/fdi:27198
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Les communautés bactériennes IRD
Caumette, P.; Guiral, Daniel; Torréton, Jean-Pascal.
Tipo: Text Palavras-chave: BACTERIE; ANALYSE QUANTITATIVE; ANALYSE QUALITATIVE; ABONDANCE; PRODUCTIVITE BIOLOGIQUE; BIOMASSE; REPARTITION VERTICALE; RELATION TROPHIQUE; RELATION ESPECE ENVIRONNEMENT.
Ano: 1994 URL: http://www.documentation.ird.fr/hor/fdi:40694
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Molecular diversity studies of bacterial communities of oil polluted microbial mats from the Etang de Berre (France) Inra
Hernandez-Raquet, G.; Budzinski, H.; Caumette, P.; Dabert, P.; Le Menach, K.; Muyzer, G.; Duran, R..
The biodiversity of microbial mats inhabiting the oil-contaminated lagoon Etang de Berre was determined by molecular approaches. The fingerprint of denaturing gradient gel electrophoresis (DGGE) and automatic ribosomal intergenic spacer analysis (ARISA) of mats exposed to different pollution levels showed specific microbial communities for each site but similar diversity richness. Species composition of the mats were compared by constructing 16S rRNA libraries. Amplified rDNA restriction analysis (ARDRA) of clone libraries confirmed their similar level of diversity richness. Phylogenetic analysis of the 16S rRNA sequences showed that the classes γ and α of Proteobacteria were abundantly present in both sites whereas phylotypes related to the...
Tipo: Journal Article Palavras-chave: COMMUNAUTE BACTERIENNE; TAPIS MICROBIEN; BIOREMEDIATION; ETANG DE BERRE BIODIVERSITY; MICROBIAL MATS; POLYCYCLIC AROMATIC HYDROCARBONS; DENATURING GRADIENT GEL ELECTROPHORESIS; AUTOMATIC RIBOSOMAL INTERGENIC SPACER ANALYSIS; AMPLIFIED RIBOSOMAL DNA RESTRICTION ANALYSIS.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20078181ada6&uri=/notices/prodinra1/2008/07/
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Numération et approche qualitative des populations bactériennes des lagunes aménagées de Certes (Arcachon). I. Bactéries hétérotrophés aérobies ArchiMer
Baleux, B.; Caumette, P.; Trousselier, M..
Numeration, biomass, distribution within time, some physiological characters and a taxonomical outline, with a standardized micro method, of aerobic hétérotrophie bacteria isolated from sediments an waters, from fishponds of "Domaine de Certes" (Arcachon) from june 1977 to may 1978 are described. Number of hétérotrophie bacteria evolved in a significant way, according to seasons, and bacterial biomass is higher in the sediments than in the waters. Metabolic or physiological differences (proteolysis, denitrification) appeared among populations due to the origin of sediments. Moreover the qualitative study pointed out taxonomical units as Bacillus associated to seasons, or Agrobacterium associated to vegetable detritical sediments.
Tipo: Text Palavras-chave: Lagunes; Bactéries hétérotrophes aerobies; Biomasse; Taxonomie; Micro méthode; Enzymatiques; Lagoons; Aerobic heterotrophic bacteria; Biomass; Taxonomy; Enzymatic micro methods.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00306/41677/40886.pdf
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Numération et approche qualitative des populations bactériennes des lagunes aménagées de Certes (Arcachon). II. Bactéries sulfo-oxydantes photosynthétiques ArchiMer
Baleux, B.; Caumette, P.; Trousselier, M..
Chromatiaceae are unceasing present in the sediment of Certes's lagoons. The genera isolated ares Thiocapsa (80%),Chromatium and Ectothio- rhodospira. From august to October 1977, physical-chemical and bacteriological analysis, in red water present in lagoons, show the Chromatiaceae proliferation and presence of hydrogen sulfide. In October 1977, a study of white water development display the absence of sulphurbacteria and the presence of hydrogen sulfide,carbon dioxide and carbonate. The important role of photo­trophic bacteria in the sulphur cycle are demonstrated by comparison between these waters.
Tipo: Text Palavras-chave: Bactéries phototrophes; Eaux rouges; Eaux blanches; Lagunes; Phototrophic bacteria; Red water; White water; Lagoons.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00306/41678/40887.pdf
Registros recuperados: 6
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