AustralieFrV1, Istex, Curation, bibRecord, 002B03

Spirochaeta smaragdinae sp. nov., a new mesophilic strictly anaerobic spirochete from an oil field

Identifieur interne : 002B03 ( Istex/Curation ); précédent : 002B02; suivant : 002B04

Spirochaeta smaragdinae sp. nov., a new mesophilic strictly anaerobic spirochete from an oil field

Auteurs : Michel Magot [France] ; Marie-Laure Fardeau [France] ; Odile Arnauld [France] ; Colette Lanau [France] ; Bernard Ollivier [France] ; P. Thomas [France] ; B. K. C. Patel [Australie]

Source :

FEMS Microbiology Letters [ 0378-1097 ] ; 1997.

RBID : ISTEX:E4B4B3FED933E59328E72056B7CA47E14ABD0296

Descripteurs français

Wicri :
- topic : éthanol, Glucose.

English descriptors

Abstract

Abstract: An obligately anaerobic spirochete designated strain SEBR 4228T (T = type strain) was isolated from an oil field of Congo, Central Africa. The strain grew optimally with a sodium chloride concentration of 5% (sodium chloride concentration growth range 1.0–10%) at 37°C (growth temperature range 20–40°C) and pH of 7.0–7.2 (pH growth range pH 5.5–8.0). Strain SEBR 4228T grew on carbohydrates (glucose, fructose, ribose, d-xylose, galactose, mannitol and mannose), glycerol, fumarate, peptides and yeast extract. Yeast extract was required for growth and could not be replaced by vitamins. It reduced thiosulfate and sulfur, to H2S. Glucose was oxidised to lactate, acetate, CO2 and H2S in the presence of thiosulfate but in its absence lactate, ethanol, CO2 and H2 were produced. Fumarate was fermented to acetate and succinate. The G+C content of strain SEBR 4228T was 50%. Strain SEBR 4228T was spiral shaped measuring 5–30 by 0.3–0.5 μm and was motile with a corkscrew-like motion. Electron microscopy revealed the presence of periplasmic flagella in a 1-2-1 arrangement. Strain SEBR 4228T possessed features typical of the members of the genus Spirochaeta. 16S rRNA sequence analysis revealed that it was closely related to Spirochaeta bajacaliforniensis (similarity 98.6%). The lack of DNA homology with S. bajacaliforniensis (38%), together with other phenotypic differences, indicated that strain SEBR 4228T is a new species, which we have designated Spirochaeta smaragdinae. The type strain is SEBR 4228T (= DSM 11293).

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https://api.istex.fr/document/E4B4B3FED933E59328E72056B7CA47E14ABD0296/fulltext/pdf

DOI: 10.1016/S0378-1097(97)80008-0

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<author><name sortKey="Magot, Michel" sort="Magot, Michel" uniqKey="Magot M" first="Michel" last="Magot">Michel Magot</name>
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<country xml:lang="fr">France</country>
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<author><name sortKey="Fardeau, Marie Laure" sort="Fardeau, Marie Laure" uniqKey="Fardeau M" first="Marie-Laure" last="Fardeau">Marie-Laure Fardeau</name>
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<series><title level="j">FEMS Microbiology Letters</title>
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<term>Agar plates</term>
<term>Anaerobic</term>
<term>Biotrypcase</term>
<term>Casamino acids</term>
<term>Cytoplasmic membrane</term>
<term>Electron microscopy</term>
<term>Elemental sulfur</term>
<term>Ethanol</term>
<term>Flagella arrangement</term>
<term>Flagellum</term>
<term>Fumarate</term>
<term>Genus</term>
<term>Genus spirochaeta</term>
<term>Glucose</term>
<term>Glucose oxidation</term>
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<term>Maltose</term>
<term>Microbiology</term>
<term>Microbiology letters</term>
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<term>Rrna gene</term>
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<term>Smaragdinae</term>
<term>Spirochaeta</term>
<term>Spirochaeta smaragdinae</term>
<term>Spirochete</term>
<term>Strain sebr</term>
<term>Sulfide</term>
<term>Sulfur</term>
<term>Thiosulfate</term>
<term>Translucent colonies</term>
<term>Type strain</term>
<term>Vitamin mixture</term>
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<term>Anaerobic</term>
<term>Biotrypcase</term>
<term>Casamino acids</term>
<term>Cytoplasmic membrane</term>
<term>Electron microscopy</term>
<term>Elemental sulfur</term>
<term>Ethanol</term>
<term>Flagella arrangement</term>
<term>Flagellum</term>
<term>Fumarate</term>
<term>Genus</term>
<term>Genus spirochaeta</term>
<term>Glucose</term>
<term>Glucose oxidation</term>
<term>Hungate tubes</term>
<term>Inner membrane</term>
<term>Lactate</term>
<term>Maltose</term>
<term>Microbiology</term>
<term>Microbiology letters</term>
<term>Nacl</term>
<term>Optimal conditions</term>
<term>Order spirochaetales</term>
<term>Other members</term>
<term>Outer membrane</term>
<term>Phenotypic</term>
<term>Phenotypic differences</term>
<term>Phylogenetic</term>
<term>Phylogenetic analysis</term>
<term>Production waters</term>
<term>Protoplasmic cylinder</term>
<term>Reference sequences</term>
<term>Regular edges</term>
<term>Rrna</term>
<term>Rrna gene</term>
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<term>Spirochaeta</term>
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<term>Spirochete</term>
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<term>Translucent colonies</term>
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<front><div type="abstract" xml:lang="en">Abstract: An obligately anaerobic spirochete designated strain SEBR 4228T (T = type strain) was isolated from an oil field of Congo, Central Africa. The strain grew optimally with a sodium chloride concentration of 5% (sodium chloride concentration growth range 1.0–10%) at 37°C (growth temperature range 20–40°C) and pH of 7.0–7.2 (pH growth range pH 5.5–8.0). Strain SEBR 4228T grew on carbohydrates (glucose, fructose, ribose, d-xylose, galactose, mannitol and mannose), glycerol, fumarate, peptides and yeast extract. Yeast extract was required for growth and could not be replaced by vitamins. It reduced thiosulfate and sulfur, to H2S. Glucose was oxidised to lactate, acetate, CO2 and H2S in the presence of thiosulfate but in its absence lactate, ethanol, CO2 and H2 were produced. Fumarate was fermented to acetate and succinate. The G+C content of strain SEBR 4228T was 50%. Strain SEBR 4228T was spiral shaped measuring 5–30 by 0.3–0.5 μm and was motile with a corkscrew-like motion. Electron microscopy revealed the presence of periplasmic flagella in a 1-2-1 arrangement. Strain SEBR 4228T possessed features typical of the members of the genus Spirochaeta. 16S rRNA sequence analysis revealed that it was closely related to Spirochaeta bajacaliforniensis (similarity 98.6%). The lack of DNA homology with S. bajacaliforniensis (38%), together with other phenotypic differences, indicated that strain SEBR 4228T is a new species, which we have designated Spirochaeta smaragdinae. The type strain is SEBR 4228T (= DSM 11293).</div>
</front>
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Spirochaeta smaragdinae sp. nov., a new mesophilic strictly anaerobic spirochete from an oil field

Spirochaeta smaragdinae sp. nov., a new mesophilic strictly anaerobic spirochete from an oil field

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

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