Marinococcus gen. nov., a new genus for motile cocci with meso-diaminopimelic acid in the cell wall; and Marinococcus albus sp. nov. and Marinococcus halophilus (Novitsky and Kushner) comb. nov.

Hao, Mai Van; Kocur, M.; Komagata, Kazuo

doi:10.2323/jgam.30.449

Cited by 94 publications

(51 citation statements)

References 5 publications

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“…Phenotypic properties of strains BH1 T and HN5 supported the view that the isolates were distinguishable from the most closely related species, M. halophilus DSM 20408 T (Hao et al, 1984), B. salarius DSM 16461 T (Lim et al, 2006) and S. qinghaiensis DSM 17008 T (Li et al, 2006) ( Table 1). Cells of strains BH1 T and HN5 were beanshaped and formed irregular clusters, whereas B. salarius was single rod-shaped and M. halophilus and S. qinghaiensis were in single spherical form.…”

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confidence: 57%

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Geomicrobium halophilum gen. nov., sp. nov., a moderately halophilic and alkaliphilic bacterium isolated from soil

Echigo

Minegishi

Mizuki

et al. 2010

International Journal of Systematic and Evolutionary Microbiology

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Two moderately halophilic and alkaliphilic bacteria, designated strains BH1T and HN5, were isolated from forest soil and garden soil, respectively, in Japan. Cells of strains BH1T and HN5 were non-motile, aerobic, bean-shaped, formed irregular clusters with 2–20 cells, Gram-positive and contained A1γ, meso-diaminopimelic acid-type murein. Spore formation was not detected. Growth occurred in 5–25 % (w/v) NaCl (optimum, 10–15 %, w/v), at pH 6.0–10.0 (optimum, pH 8.5–9.0) and at 20–40 °C (optimum, 30 °C). The predominant isoprenoid quinones were menaquinone-7 and menaquinone-6. The phospholipids were diphosphatidylglycerol and phosphatidylglycerol. The major cellular fatty acids were i-C15 : 0, i-C17 : 0 and i-C18 : 0. The DNA G+C content of strains BH1T and HN5 was 45 and 46 mol%, respectively. The 16S rRNA gene sequences of the two strains were 99.9 % similar. DNA–DNA hybridization results indicated high levels of relatedness (88 and 85 % reciprocally). Similarities with recognized species were less than 90.2 %. The phylogenetic and phenotypic characteristics indicated that strains BH1T and HN5 represent a novel species in a new genus, for which the name Geomicrobium halophilum gen. nov., sp. nov. is proposed. The type strain is BH1T (=JCM 15647T=DSM 21769T).

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confidence: 57%

“…n. Geomicrobium a microbe from soil). Hao et al (1984), Li et al (2006) and Lim et al (2006). +, Positive; 2, negative; ND, no data.…”

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confidence: 99%

Geomicrobium halophilum gen. nov., sp. nov., a moderately halophilic and alkaliphilic bacterium isolated from soil

Echigo

Minegishi

Mizuki

et al. 2010

International Journal of Systematic and Evolutionary Microbiology

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“…Levels of DNA-DNA relatedness between strain YIM 91094 T and M. halophilus DSM 20408 T and M. halotolerans YIM 70157 T were 56.0 and 57.5 %, respectively, below the 70 % cut-off point recommended for assignment of strains to the same genomic species (Wayne et al, 1987). Hao et al (1984), Li et al (2005) and the present study. All are Gram-positive cocci.…”

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confidence: 99%

“…The genus Marinococcus was established by Hao et al (1984Hao et al ( , 1985 with the description of two species, Marinococcus halophilus and Marinococcus albus. Two additional species have been described, Marinococcus hispanicus (Marquez et al, 1990) and Marinococcus halotolerans .…”

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Marinococcus luteus sp. nov., a halotolerant bacterium isolated from a salt lake, and emended description of the genus Marinococcus

Wang

Cao

Tang

et al. 2009

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLO

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“…The major cellular fatty acids are anteiso-C 15 : 0 and anteiso-C 17 : 0 . The G+C content of the genomic DNA is in the range 46.4248.7 mol% (Hao et al, 1984(Hao et al, , 1985Wang et al, 2009). In this paper, a novel bacterial strain, designed SR-1 T , is described.…”

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Marinococcus tarijensis sp. nov., a moderately halophilic bacterium isolated from a salt mine

Balderrama-Subieta

Guzmán

Minegishi

et al. 2013

International Journal of Systematic and Evolutionary Microbiology

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A Gram-stain-positive, coccoid-shaped, halophilic bacterium, strain SR-1 T , was isolated from a salt crystal obtained from a mine located in Tarija, Bolivia. The strain was investigated using a polyphasic approach. The optimum conditions for growth of strain SR-1 T were reached at 5 % (w/ v) NaCl, pH 7.6 and 37-40 6C. The peptidoglycan contained meso-diaminopimelic acid as the diagnostic diamino acid. The isoprenoid quinone was MK-7. The major cellular fatty acids of strain SR-1 T were anteiso-C 15 : 0 , anteiso-C 17 : 0 and iso-C 16 : 0 . The DNA G+C content of strain SR-1 T was 48.6 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed a close relationship between strain SR-1 T and Marinococcus halophilus JCM 2479 T (99.7 % 16S rRNA gene sequence similarity), Marinococcus halotolerans KCTC 19045 T (99.4 %) and Marinococcus luteus KCTC 13214 T (99.8 %). However, strain SR-1 T also showed low levels of DNA-DNA relatedness with these reference strains (47, 61 and 58 %, respectively). On the basis of phenotypic differences and DNA-DNA hybridization results, strain SR-1 T is considered to represent a novel species of the genus Marinococcus, for which the name Marinococcus tarijensis sp. nov. is proposed. The type strain is SR-1 T (5LMG 26930 T 5CECT 8130 T ).Halophiles are organisms that require salt for growth, and some inhabit hypersaline environments (Ventosa et al., 1998). Marinococcus is a genus that includes Gram-positive halophilic aerobic bacteria (Hao et al., 1984(Hao et al., , 1985 and is included among many genera within the family Bacillaceae. The genus was created to include Marinococcus albus and Marinococcus halophilus (Hao et al., 1984(Hao et al., , 1985, the latter previously classified as a species of the genus Planococcus (Novitsky & Kushner, 1976). Three other species were subsequently described, Marinococcus hispanicus (Marquez et al., 1990), Marinococcus halotolerans (Li et al., 2005) and Marinococcus luteus (Wang et al., 2009). M. hispanicus and M. albus were reclassified as Salinicoccus hispanicus (Ventosa et al., 1992) and Salimicrobium album (Yoon et al., 2007), respectively. Therefore, at the time of writing, the genus Marinococcus comprises three recognized species. Members of the genus Marinococcus are Gram-positive, spherical, strictly aerobic and motile. They are distributed in a wide variety of habitats such as seawater, solar salterns and saline soils. They are catalase-positive and give negative results for methyl red and Voges-Proskauer tests. The major cellular fatty acids are anteiso-C 15 : 0 and anteiso-C 17 : 0 . The G+C content of the genomic DNA is in the range 46.4248.7 mol% (Hao et al., 1984(Hao et al., , 1985Wang et al., 2009). In this paper, a novel bacterial strain, designed SR-1 T , is described. Based on the results of 16S rRNA gene sequence comparisons, as well as phenotypic and chemotaxonomic features, strain SR-1 T is proposed as representing a novel species of the genus Marinococcus.Strain SR-1 T was isolated from a salt crystal that contains aroun...

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Marinococcus gen. nov., a new genus for motile cocci with meso-diaminopimelic acid in the cell wall; and Marinococcus albus sp. nov. and Marinococcus halophilus (Novitsky and Kushner) comb. nov.

Cited by 94 publications

References 5 publications

Geomicrobium halophilum gen. nov., sp. nov., a moderately halophilic and alkaliphilic bacterium isolated from soil

Geomicrobium halophilum gen. nov., sp. nov., a moderately halophilic and alkaliphilic bacterium isolated from soil

Marinococcus luteus sp. nov., a halotolerant bacterium isolated from a salt lake, and emended description of the genus Marinococcus

Marinococcus tarijensis sp. nov., a moderately halophilic bacterium isolated from a salt mine

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