A Detailed Phenotypic Characterisation of the Type Strains of Halomonas Species

Mata, Juan Antonio; Martínez-Cánovas, José; Quesada, Emilia; Béjar, Victoria

doi:10.1078/0723-2020-00122

Cited by 353 publications

(317 citation statements)

References 52 publications

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“…In addition, the majority of the type strains of Halomonas species can utilize ethanol, inositol, L-isoleucine and L-lysine and they are susceptible to ampicillin and chloramphenicol (Mata et al, 2002). Due to the large number of species included in the genus Halomonas, differences in fatty acid contents depend on the specific species that is compared with strain AW-7 T .…”

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“…In contrast to strain AW-7 T , species of the genus Halomonas produce pigments and many of them have extreme upper salt concentrations for growth (Mata et al, 2002). In addition, the majority of the type strains of Halomonas species can utilize ethanol, inositol, L-isoleucine and L-lysine and they are susceptible to ampicillin and chloramphenicol (Mata et al, 2002).…”

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confidence: 99%

“…Concerns about the taxonomy of the genus Halomonas should be expressed as there is a significant variability in phenotypic, chemotaxonomic and molecular characteristics among species of the genus Halomonas. A study by Mata et al (2002) showed that none of 205 phenotypic and physiological characteristics tested were common for all type strains of species of the genus Halomonas. When compared with members of the genus Halomonas, strain AW-7 T showed 16S rRNA gene sequence similarities lower than 92.2 %.…”

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Halotalea alkalilenta gen. nov., sp. nov., a novel osmotolerant and alkalitolerant bacterium from alkaline olive mill wastes, and emended description of the family Halomonadaceae Franzmann et al. 1989, emend. Dobson and Franzmann 1996

Ntougias

Zervakis

Fasseas

2007

International Journal of Systematic and Evolutionary Microbiology

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Halotalea alkalilenta gen. nov., sp. nov., a novel osmotolerant and alkalitolerant bacterium from alkaline olive mill wastes, and emended description of the family Halomonadaceae Franzmann et al. 1989, emend. Dobson andFranzmann 1996 A novel Gram-negative, motile, nonsporulating, rod-shaped bacterium isolated from alkaline sludge-like wastes ('alpeorujo' or 'alperujo') of two-phase olive oil extraction is described. The strain, designated AW-7 T , is an obligate aerobe that is halotolerant (tolerating up to 15 % w/v NaCl), sugar-tolerant (tolerating up to 45 % and 60 % w/v (+)-D-glucose and maltose respectively; these are the highest concentrations tolerated by any known members of the Bacteria domain) and alkalitolerant (growing at a broad pH range of 5-11). Strain AW-7 T is chemo-organotrophic. Ubiquinone-9 was detected in the respiratory chain of strain AW-7 T . The major fatty acids present are C 18 : 1 v7c, C 16 : 0 , C 19 : 0 cyclo v8c, C 12 : 0 3-OH and C 16 : 1 v7c/iso-C 15 : 0 2-OH. Based on 16S rRNA gene sequence analysis, strain AW-7 T showed almost equal phylogenetic distances from Zymobacter palmae (95.6 % similarity) and Carnimonas nigrificans (95.4 % similarity). In addition, low DNA-DNA relatedness values were found for strain AW-7 T against Carnimonas nigrificans CECT 4437 T (22.5-25.4 %) and Z. palmae DSM 10491 T (11.9-14.4 %). The DNA G+C content of strain AW-7 T is 64.4 mol%. Physiological and chemotaxonomic data further confirmed the differentiation of strain AW-7 T from the genera Zymobacter and Carnimonas. Thus, strain AW-7 T represents a novel bacterial genus within the family Halomonadaceae, for which the name Halotalea gen. nov. is proposed. Halotalea alkalilenta sp. nov. (type strain AW-7 T 5DSM 17697 T 5CECT 7134 T ) is proposed as the type species of the genus Halotalea gen. nov. A reassignment of the descriptive 16S rRNA signature characteristics of the family Halomonadaceae permitted the placement of the novel genus Halotalea into the family; in contrast, the genus Halovibrio possessed only 12 out of the 18 signature characteristics proposed, and hence it was excluded from the family Halomonadaceae.

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Halotalea alkalilenta gen. nov., sp. nov., a novel osmotolerant and alkalitolerant bacterium from alkaline olive mill wastes, and emended description of the family Halomonadaceae Franzmann et al. 1989, emend. Dobson and Franzmann 1996

Ntougias

Zervakis

Fasseas

2007

International Journal of Systematic and Evolutionary Microbiology

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“…The MH broth media with pH ,8.0 and pH 8.0-10.0 were prepared using Na 2 HPO 4 /NaH 2 PO 4 and Tris/HCl buffers, respectively, and their pH was adjusted if necessary after sterilization (121 8C, 15 min). Growth at various salt concentrations was determined in MH broth with different MH sea-salt [in % (w/v); NaCl 80.72, MgCl 2 6.55, MgSO 4 10.00, CaCl 2 0.35, KCl 2.07, NaHCO 3 0.07, NaBr 0.24] concentrations of 0, 0.5, 1, 3, 5, 7.5, 10, 15, 20, 22.5, 25 and 30 % (w/v) (Mata et al, 2002). Gram staining was performed using the bioMérieux Gram Stain kit according to the instructions of the manufacturer.…”

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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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“…표층에서 특히 우점하고(65.1%), SMTZ, high methane 층에서도 많은 비율을 차지하고 있는 것으로 볼 때 동해울릉분지 UBGH2-3 퇴적토의 표층은 Sulfitobacter의 아황산염 산화로 인해 황산염 의 농도가 다른 층에 비해 높은 것으로 생각된다( Table 1) UBGH2-3에서 가장 우점한 Halomonas는 표층에서는 관찰되지 않다가 SMTZ에서 개체수가 급격하게 증가하였고 high methane 층에서도 14.6%의 비율로 존재하였다. Halomonas 속은 8%의 NaCl 농도에서도 생존할 수 있는 호염성 세균으로 보통 호기적 으로 생활하지만, 질산염, 아질산염 등을 전자 수용체로 사용하 여 혐기적으로도 생존이 가능한 종도 포함하고 있다 (Mata et al, 2002).…”

Section: 시료 채취unclassified

Characteristics of Microbial Community Structures of the Methane Hydrate Sediments in the Ulleung Basin, East Sea of Korea

Shin¹,

Nam²,

Lee³

et al. 2014

The Korean Journal of Microbiology

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Gas hydrates play a significant role in the global carbon cycle and climate change because methane, a greenhouse gas, can be released from the dissociation of gas hydrate. Anaerobic oxidation of methane (AOM) is an important process that consumes more than 90% of the methane released into the hydrosphere and atmosphere. In this study, the microbial community associated with the methane gas hydrate sediment in the Ulleung basin, East Sea of Korea (UBGH) was analyzed by phylogenetic analysis of the mcrA and 16S rRNA gene libraries. A vertical stratification of the dominating anaerobic methane oxidizer (ANME)-1 group was observed at the surface and the sulfate methane transition zone (SMTZ). The ANME-2c group was found to be dominant in the high methane layer. The archaea of marine benthic group B, which is commonly observed in the AOM region, accounted for more than 50% of the identifications in all sediments. Nitrate reducing bacteria were predominant at SMTZ (Halomonas: 56.5%) and high methane layer (Achromobacter: 52.6%), while sulfate reducing bacteria were not found in UBGH sediments. These results suggest that the AOM process may be carried out by a syntrophic consortium of ANME and nitrate reducing bacteria in the gas hydrates of the Ulleung Basin of the East Sea.

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A Detailed Phenotypic Characterisation of the Type Strains of Halomonas Species

Cited by 353 publications

References 52 publications

Halotalea alkalilenta gen. nov., sp. nov., a novel osmotolerant and alkalitolerant bacterium from alkaline olive mill wastes, and emended description of the family Halomonadaceae Franzmann et al. 1989, emend. Dobson and Franzmann 1996

Halotalea alkalilenta gen. nov., sp. nov., a novel osmotolerant and alkalitolerant bacterium from alkaline olive mill wastes, and emended description of the family Halomonadaceae Franzmann et al. 1989, emend. Dobson and Franzmann 1996

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

Characteristics of Microbial Community Structures of the Methane Hydrate Sediments in the Ulleung Basin, East Sea of Korea

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