Halomicrobium katesii sp. nov., an extremely halophilic archaeon.
Identifieur interne : 000065 ( Main/Exploration ); précédent : 000064; suivant : 000066Halomicrobium katesii sp. nov., an extremely halophilic archaeon.
Auteurs : Karima Kharroub [Espagne] ; Catherine Lizama ; Margarita Aguilera ; Abderrahmane Boulahrouf ; Victoriano Campos ; Alberto Ramos-Cormenzana ; Mercedes Monteoliva-SánchezSource :
- International journal of systematic and evolutionary microbiology [ 1466-5026 ] ; 2008.
Descripteurs français
- KwdFr :
- ADN des archées (génétique), ARN ribosomique 16S (génétique), Algérie (MeSH), Analyse de séquence d'ADN (MeSH), Chili (MeSH), Chlorure de sodium (MeSH), Composition en bases nucléiques (MeSH), Données de séquences moléculaires (MeSH), Eau douce (microbiologie), Glycolipides (composition chimique), Gènes d'ARN ribosomique (MeSH), Gènes d'archée (MeSH), Halobacteriaceae (classification), Halobacteriaceae (composition chimique), Halobacteriaceae (génétique), Halobacteriaceae (isolement et purification), Microbiologie de l'eau (MeSH), Phylogenèse (MeSH), Phénotype (MeSH), Techniques de typage bactérien (MeSH).
- MESH :
- composition chimique : Glycolipides, Halobacteriaceae.
- génétique : ADN des archées, ARN ribosomique 16S, Halobacteriaceae.
- isolement et purification : Halobacteriaceae.
- microbiologie : Eau douce.
- Algérie, Analyse de séquence d'ADN, Chili, Chlorure de sodium, Composition en bases nucléiques, Données de séquences moléculaires, Gènes d'ARN ribosomique, Gènes d'archée, Microbiologie de l'eau, Phylogenèse, Phénotype, Techniques de typage bactérien.
- Wicri :
English descriptors
- KwdEn :
- Algeria (MeSH), Bacterial Typing Techniques (MeSH), Base Composition (MeSH), Chile (MeSH), DNA, Archaeal (genetics), Fresh Water (microbiology), Genes, Archaeal (MeSH), Genes, rRNA (MeSH), Glycolipids (chemistry), Halobacteriaceae (chemistry), Halobacteriaceae (classification), Halobacteriaceae (genetics), Halobacteriaceae (isolation & purification), Molecular Sequence Data (MeSH), Phenotype (MeSH), Phylogeny (MeSH), RNA, Ribosomal, 16S (genetics), Sequence Analysis, DNA (MeSH), Sodium Chloride (MeSH), Water Microbiology (MeSH).
- MESH :
- chemical , chemistry : Glycolipids.
- chemical , genetics : DNA, Archaeal, RNA, Ribosomal, 16S.
- geographic : Algeria, Chile, Sodium Chloride.
- chemistry : Halobacteriaceae.
- classification : Halobacteriaceae.
- genetics : Halobacteriaceae.
- isolation & purification : Halobacteriaceae.
- microbiology : Fresh Water.
- Bacterial Typing Techniques, Base Composition, Genes, Archaeal, Genes, rRNA, Molecular Sequence Data, Phenotype, Phylogeny, Sequence Analysis, DNA, Water Microbiology.
Abstract
Two extremely halophilic archaea, strains Al-5(T) and K-1, were isolated from Lake Tebenquiche (Atacama Saltern, Chile) and Ezzemoul sabkha (Algeria), respectively. Cells of the two strains were short-rod-shaped and Gram-negative; colonies were orange-pigmented. They grew optimally at 37-40 degrees C and pH 7.0-7.5 in the presence of 25 % (w/v) NaCl. Magnesium was not required. Polar lipid analysis revealed the presence of phosphatidylglycerol and phosphatidylglycerophosphate methyl ester, the absence of phosphatidylglycerosulfate, and the presence of sulfated diglycosyl diether and diether diglycosyl as the sole glycolipids. DNA G+C contents of strains Al-5(T) and K-1 were 52.4 and 52.9 mol% (T(m) method), respectively. 16S rRNA gene sequence comparison with database sequences showed that strains Al-5(T) and K-1 were most closely related to Halomicrobium mukohataei DSM 12286(T) (similarities of 97.5 and 96.9 %, respectively). DNA-DNA hybridization indicated that strains Al-5(T) and K-1 were members of a single species. However, DNA-DNA relatedness to Halomicrobium mukohataei was 55.7+/-2.5 %. A comparative analysis of phenotypic characteristics and DNA-DNA hybridization between the isolates and Halomicrobium mukohataei DSM 12286(T) supported the conclusion that Al-5(T) and K-1 represent a novel species within the genus Halomicrobium, for which the name Halomicrobium katesii sp. nov. is proposed. The type strain is Al-5(T) (=CECT 7257(T)=DSM 19301(T)).
DOI: 10.1099/ijs.0.65662-0
PubMed: 18842855
Affiliations:
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Le document en format XML
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Aguilera</name></author><author><name sortKey="Boulahrouf, Abderrahmane" sort="Boulahrouf, Abderrahmane" uniqKey="Boulahrouf A" first="Abderrahmane" last="Boulahrouf">Abderrahmane Boulahrouf</name></author><author><name sortKey="Campos, Victoriano" sort="Campos, Victoriano" uniqKey="Campos V" first="Victoriano" last="Campos">Victoriano Campos</name></author><author><name sortKey="Ramos Cormenzana, Alberto" sort="Ramos Cormenzana, Alberto" uniqKey="Ramos Cormenzana A" first="Alberto" last="Ramos-Cormenzana">Alberto Ramos-Cormenzana</name></author><author><name sortKey="Monteoliva Sanchez, Mercedes" sort="Monteoliva Sanchez, Mercedes" uniqKey="Monteoliva Sanchez M" first="Mercedes" last="Monteoliva-Sánchez">Mercedes Monteoliva-Sánchez</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2008">2008</date><idno type="RBID">pubmed:18842855</idno><idno type="pmid">18842855</idno><idno type="doi">10.1099/ijs.0.65662-0</idno><idno 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Granada, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Departamento de Microbiología, Facultad de Farmacia Campus de Cartuja s/n, 18071 Granada</wicri:regionArea><placeName><region nuts="2" type="communauté">Andalousie</region></placeName></affiliation></author><author><name sortKey="Lizama, Catherine" sort="Lizama, Catherine" uniqKey="Lizama C" first="Catherine" last="Lizama">Catherine Lizama</name></author><author><name sortKey="Aguilera, Margarita" sort="Aguilera, Margarita" uniqKey="Aguilera M" first="Margarita" last="Aguilera">Margarita Aguilera</name></author><author><name sortKey="Boulahrouf, Abderrahmane" sort="Boulahrouf, Abderrahmane" uniqKey="Boulahrouf A" first="Abderrahmane" last="Boulahrouf">Abderrahmane Boulahrouf</name></author><author><name sortKey="Campos, Victoriano" sort="Campos, Victoriano" uniqKey="Campos V" first="Victoriano" last="Campos">Victoriano Campos</name></author><author><name sortKey="Ramos Cormenzana, Alberto" sort="Ramos Cormenzana, Alberto" uniqKey="Ramos Cormenzana A" first="Alberto" last="Ramos-Cormenzana">Alberto Ramos-Cormenzana</name></author><author><name sortKey="Monteoliva Sanchez, Mercedes" sort="Monteoliva Sanchez, Mercedes" uniqKey="Monteoliva Sanchez M" first="Mercedes" last="Monteoliva-Sánchez">Mercedes Monteoliva-Sánchez</name></author></analytic><series><title level="j">International journal of systematic and evolutionary microbiology</title><idno type="ISSN">1466-5026</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Algeria (MeSH)</term><term>Bacterial Typing Techniques (MeSH)</term><term>Base Composition (MeSH)</term><term>Chile (MeSH)</term><term>DNA, Archaeal (genetics)</term><term>Fresh Water (microbiology)</term><term>Genes, Archaeal (MeSH)</term><term>Genes, rRNA (MeSH)</term><term>Glycolipids (chemistry)</term><term>Halobacteriaceae (chemistry)</term><term>Halobacteriaceae (classification)</term><term>Halobacteriaceae (genetics)</term><term>Halobacteriaceae (isolation & purification)</term><term>Molecular Sequence Data (MeSH)</term><term>Phenotype (MeSH)</term><term>Phylogeny (MeSH)</term><term>RNA, Ribosomal, 16S (genetics)</term><term>Sequence Analysis, DNA (MeSH)</term><term>Sodium Chloride (MeSH)</term><term>Water Microbiology (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>ADN des archées (génétique)</term><term>ARN ribosomique 16S (génétique)</term><term>Algérie (MeSH)</term><term>Analyse de séquence d'ADN (MeSH)</term><term>Chili (MeSH)</term><term>Chlorure de sodium (MeSH)</term><term>Composition en bases nucléiques (MeSH)</term><term>Données de séquences moléculaires (MeSH)</term><term>Eau douce (microbiologie)</term><term>Glycolipides (composition chimique)</term><term>Gènes d'ARN ribosomique (MeSH)</term><term>Gènes d'archée (MeSH)</term><term>Halobacteriaceae 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Data</term><term>Phenotype</term><term>Phylogeny</term><term>Sequence Analysis, DNA</term><term>Water Microbiology</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Algérie</term><term>Analyse de séquence d'ADN</term><term>Chili</term><term>Chlorure de sodium</term><term>Composition en bases nucléiques</term><term>Données de séquences moléculaires</term><term>Gènes d'ARN ribosomique</term><term>Gènes d'archée</term><term>Microbiologie de l'eau</term><term>Phylogenèse</term><term>Phénotype</term><term>Techniques de typage bactérien</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Algérie</term><term>Chili</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Two extremely halophilic archaea, strains Al-5(T) and K-1, were isolated from Lake Tebenquiche (Atacama Saltern, Chile) and Ezzemoul sabkha (Algeria), respectively. Cells of the two strains were short-rod-shaped and Gram-negative; colonies were orange-pigmented. They grew optimally at 37-40 degrees C and pH 7.0-7.5 in the presence of 25 % (w/v) NaCl. Magnesium was not required. Polar lipid analysis revealed the presence of phosphatidylglycerol and phosphatidylglycerophosphate methyl ester, the absence of phosphatidylglycerosulfate, and the presence of sulfated diglycosyl diether and diether diglycosyl as the sole glycolipids. DNA G+C contents of strains Al-5(T) and K-1 were 52.4 and 52.9 mol% (T(m) method), respectively. 16S rRNA gene sequence comparison with database sequences showed that strains Al-5(T) and K-1 were most closely related to Halomicrobium mukohataei DSM 12286(T) (similarities of 97.5 and 96.9 %, respectively). DNA-DNA hybridization indicated that strains Al-5(T) and K-1 were members of a single species. However, DNA-DNA relatedness to Halomicrobium mukohataei was 55.7+/-2.5 %. A comparative analysis of phenotypic characteristics and DNA-DNA hybridization between the isolates and Halomicrobium mukohataei DSM 12286(T) supported the conclusion that Al-5(T) and K-1 represent a novel species within the genus Halomicrobium, for which the name Halomicrobium katesii sp. nov. is proposed. The type strain is Al-5(T) (=CECT 7257(T)=DSM 19301(T)).</div></front></TEI><affiliations><list><country><li>Espagne</li></country><region><li>Andalousie</li></region></list><tree><noCountry><name sortKey="Aguilera, Margarita" sort="Aguilera, Margarita" uniqKey="Aguilera M" first="Margarita" last="Aguilera">Margarita Aguilera</name><name sortKey="Boulahrouf, Abderrahmane" sort="Boulahrouf, Abderrahmane" uniqKey="Boulahrouf A" first="Abderrahmane" last="Boulahrouf">Abderrahmane Boulahrouf</name><name sortKey="Campos, Victoriano" sort="Campos, Victoriano" uniqKey="Campos V" first="Victoriano" last="Campos">Victoriano Campos</name><name sortKey="Lizama, Catherine" sort="Lizama, Catherine" uniqKey="Lizama C" first="Catherine" last="Lizama">Catherine Lizama</name><name sortKey="Monteoliva Sanchez, Mercedes" sort="Monteoliva Sanchez, Mercedes" uniqKey="Monteoliva Sanchez M" first="Mercedes" last="Monteoliva-Sánchez">Mercedes Monteoliva-Sánchez</name><name sortKey="Ramos Cormenzana, Alberto" sort="Ramos Cormenzana, Alberto" uniqKey="Ramos Cormenzana A" first="Alberto" last="Ramos-Cormenzana">Alberto Ramos-Cormenzana</name></noCountry><country name="Espagne"><region name="Andalousie"><name sortKey="Kharroub, Karima" sort="Kharroub, Karima" uniqKey="Kharroub K" first="Karima" last="Kharroub">Karima Kharroub</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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