Recommended minimal standards for describing new taxa of the family Halomonadaceae

Arahal, D. R.; Quesada, E.; Mormile, M. R.; Oren, A.; Ventosa, A.; Vreeland, R. H.; Bejar, V.; Litchfield, Carol D.; Tindall, Brian J.

doi:10.1099/00207713-58-11-2673

International Journal of Systematic and Evolutionary Microbiology

2008

DOI: 10.1099/00207713-58-11-2673

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Recommended minimal standards for describing new taxa of the family Halomonadaceae

D. R. Arahal¹,

E. Quesada²,

M. R. Mormile³

et al.

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Cited by 48 publications

(69 citation statements)

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“…Its members are Gram-negative, rodshaped, non-sporulated, aerobic chemo-organotrophs, with predominantly respiratory metabolism, using oxygen, nitrate or nitrite as electron acceptors. Few Halomonas species produce acids from sugars (see Mata et al, 2002;Dobson & Franzmann, 1996;Franzmann et al, 1988;Vreeland, 2005;Arahal et al, 2007). They are widely distributed throughout hypersaline environments.…”

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Halomonas fontilapidosi sp. nov., a moderately halophilic, denitrifying bacterium

González-Domenech

Martínez‐Checa

Quesada

et al. 2009

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLO

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We have made a polyphasic taxonomic study of strain 5CR T , isolated from Fuente de Piedra, Má laga, southern Spain. The strain is a moderately halophilic, Gram-negative rod, oxidase-positive and motile by a single polar flagellum. It does not produce acids from sugars and shows respiratory metabolism, using oxygen, nitrate and nitrite as terminal electron acceptors. It requires NaCl and grows best with 5-7.5 % w/v at temperatures of between 32 and 45 6C within a pH range of 6-8. Its 16S rRNA gene sequence indicates that strain 5CR T belongs to the genus Halomonas in the class Gammaproteobacteria. Its closest relatives are Halomonas alimentaria, H. nitroreducens, H. shengliensis and H. ventosae, with the type strains of which our strain showed 16S rRNA gene sequence similarity values of 96.7-97.8 %. DNA-DNA hybridization studies between strain 5CR T and H. ventosae CECT 5797 T , the phylogenetically nearest type strain, showed 40 % relatedness. Its G+C content is 65.7 mol%. Its major fatty acids are C 18 : 1 v7c (31.36 %), C 16 : 0 (25.55 %), C 16 : 1 v7c/iso-C 15 : 0 2-OH (23.23 %), C 19 : 0 cyclo v8c (8.14 %), C 12 : 0 3-OH (5.76 %) and C 10 : 0 (2.22 %) and the predominant respiratory lipoquinone is ubiquinone with nine isoprene units (Q-9). The proposed name for the novel species is Halomonas fontilapidosi sp. nov., strain 5CR T (5CECT 7341 T 5LMG 24455 T ) being the type strain.The family Halomonadaceae of the class Gammaproteobacteria comprises seven genera, Carnimonas, Chromohalobacter, Cobetia, Halomonas, Halotalea, Modicisalibacter and Zymobacter (Euzéby, 2008). Chromohalobacter, Cobetia, Halomonas and Modicisalibacter are composed of halophilic bacteria whereas Carnimonas, Halotalea and Zymobacter contain non-halophilic bacteria (Ben Ali Gam et al., 2007;Garrity et al., 2005;Ntougias et al., 2007). The genus Halomonas currently contains more than 50 species (Euzéby, 2008). Its members are Gram-negative, rodshaped, non-sporulated, aerobic chemo-organotrophs, with predominantly respiratory metabolism, using oxygen, nitrate or nitrite as electron acceptors. Few Halomonas species produce acids from sugars (see Mata et al., 2002;Dobson & Franzmann, 1996;Franzmann et al., 1988;Vreeland, 2005;Arahal et al., 2007). They are widely distributed throughout hypersaline environments. Some of them are recognized for their potential use in biotechnology (Margesin & Schinner, 2001;Ventosa & Nieto, 1995), producing exopolysaccharides (Arias et al., 2003;Mata et al., 2006;Martínez-Checa et al., 2002), denitrifying (Peyton et al., 2001; Yoshie et al., 2006) or degrading aromatic compounds (García et al., 2004).We have already described some novel halophilic taxa isolated from Fuente de Piedra (Málaga, Spain): Idiomarina fontislapidosi (Martínez-Cánovas et al., 2004c), Halomonas anticariensis (Martínez-Cánovas et al., 2004b) and strain 15CR of Halomonas cerina (González-Domenech et al., 2008a). Furthering our research into bacteria in this area, we subjected strain 5CR T to a polyphasic taxonomic investigation and as ...

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mentioning

confidence: 99%

Halomonas fontilapidosi sp. nov., a moderately halophilic, denitrifying bacterium

González-Domenech

Martínez‐Checa

Quesada

et al. 2009

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLO

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“…The phenotypic and biochemical properties of strain JJ-M1 T were characterized on the basis of the recommendations of the proposed minimal standards for describing new taxa of the family Halomonadaceae (Arahal et al, 2007). Cell morphology and the presence of flagella were studied using transmission electron microscopy (JEM-161 1010, JEOL) with cells from an exponentially growing culture on 10 % MH agar.…”

mentioning

confidence: 99%

Halomonas garicola sp. nov., isolated from saeu-jeot, a Korean salted and fermented shrimp sauce

Jung

Lee

Jeon

2016

International Journal of Systematic and Evolutionary Microbiology

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“…H. salaria DSM 18044 T and S. socius DSM 19940 T also contained Q9 as the major respiratory quinone (Anan'ina et al, 2007;Kim et al, 2007). This ubiquinone is typically found in members of the family Halomonadaceae (Arahal & Ventosa, 2005;Vreeland, 2005;Arahal et al, 2007), although the presence of minor amounts of Q8 and Q10 has been reported for species of the genus Kushneria Fatty acids were analysed by GC (Kämpfer & Kroppenstedt, 1996;Miller, 1982) at the Belgian Co-ordinated Collections of Micro-organisms, Laboratory of Microbiology of Gent (BCCM/LMG), Gent, Belgium. Cells were cultured on TSA medium (BBL) supplemented with 10 % NaCl at pH 7.0, 28 u C for 48 h. The predominant fatty acids of strains S. socius DSM 19940 T , H. salaria DSM 18044 T and C. salarius Unless otherwise indicated, data are from this study.…”

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confidence: 99%

“…In order to compare S. socius DSM 19940 T , H. salaria DSM 18044 T and C. salarius CECT 5903 T under the same laboratory conditions, a complete phenotypic characterization of these three species was carried out following the recommendations of the proposed minimal standards for describing new taxa of the family Halomonadaceae (Arahal et al, 2007). Macroscopic properties were determined using the classical characterization of colony appearance.…”

mentioning

confidence: 99%

Taxonomic study of the genus Salinicola: transfer of Halomonas salaria and Chromohalobacter salarius to the genus Salinicola as Salinicola salarius comb. nov. and Salinicola halophilus nom. nov., respectively

Haba

Sánchez‐Porro

Márquez

et al. 2010

International Journal of Systematic and Evolutionary Microbiology

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We have carried out a polyphasic taxonomic characterization of the type strains of the species with the recently validated name Salinicola socius, together with two species that were phylogenetically closely related, Halomonas salaria and Chromohalobacter salarius. 16S rRNA gene sequence analyses showed that they constituted a coherent cluster, with sequence similarities between 98.7 and 97.7 %. We have determined the almost complete 23S rRNA gene sequences of these three type strains, and the percentage of similarity between them was 99.2–97.6 %. Phylogenetic trees based on the 16S rRNA and 23S rRNA gene sequences, obtained by using three different algorithms, were consistent and showed that these three species constituted a cluster separated from the other species of the genera of the family Halomonadaceae, supporting their placement in a single genus. All three species have ubiquinone 9 as the major respiratory quinone, and showed similar fatty acid and polar lipid profiles. The level of DNA–DNA hybridization between Salinicola socius DSM 19940T, Halomonas salaria DSM 18044T and Chromohalobacter salarius CECT 5903T was 41–21 %, indicating that they are different species of the genus Salinicola. A comparative phenotypic study of these strains following the proposed minimal standards for describing new taxa of the family Halomonadaceae has been carried out. The phenotypic data are consistent with the placement of these three species in a single genus and support their differentiation at the species level. On the basis of these data we have emended the description of the species Salinicola socius and we propose to transfer the species Halomonas salaria and Chromohalobacter salarius to the genus Salinicola, as Salinicola salarius comb. nov. (type strain M27T =KCTC 12664T =DSM 18044T) and Salinicola halophilus nom. nov. (type strain CG4.1T =CECT 5903T =LMG 23626T), respectively.

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Recommended minimal standards for describing new taxa of the family Halomonadaceae

Cited by 48 publications

References 0 publications

Halomonas fontilapidosi sp. nov., a moderately halophilic, denitrifying bacterium

Halomonas fontilapidosi sp. nov., a moderately halophilic, denitrifying bacterium

Halomonas garicola sp. nov., isolated from saeu-jeot, a Korean salted and fermented shrimp sauce

Taxonomic study of the genus Salinicola: transfer of Halomonas salaria and Chromohalobacter salarius to the genus Salinicola as Salinicola salarius comb. nov. and Salinicola halophilus nom. nov., respectively

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