scholarly journals Pseudomonas zhaodongensis sp. nov., isolated from saline and alkaline soils

2015 ◽  
Vol 65 (Pt_3) ◽  
pp. 1022-1030 ◽  
Author(s):  
Lei Zhang ◽  
Yuanyuan Pan ◽  
Kaibiao Wang ◽  
Xiaoxia Zhang ◽  
Cheng Zhang ◽  
...  
Keyword(s):  
16S Rrna ◽  
Type Strain ◽  
Type Species ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Alkaline Soils ◽  
Gene Sequences ◽  
Content Type ◽  
Link Type ◽  
Saline And Alkaline Soils

Strain NEAU-ST5-21T was isolated from saline and alkaline soils in Zhaodong City, Heilongjiang Province, China. It was aerobic, Gram-stain-negative, rod-shaped and motile with a polar flagellum. It produced yellow–orange colonies with a smooth surface, and grew in the presence of 0–5 % (w/v) NaCl (optimum 0 %, w/v), at temperatures of 20–40 °C (optimum 28 °C) and at pH 7–11 (optimum pH 7). Phylogenetic analyses based on the separate 16S rRNA gene sequences and concatenated 16S rRNA, gyrB and rpoD gene sequences indicated that strain NEAU-ST5-21T belongs to the genus Pseudomonas in the class Gammaproteobacteria . The most closely related species is Pseudomonas xanthomarina , whose type strain (KMM 1447T) showed gene sequence similarities of 99.0 % for 16S rRNA, 81.8 % for gyrB and 85.0 % for rpoD with strain NEAU-ST5-21T. DNA–DNA hybridization values between strain NEAU-ST5-21T and P. xanthomarina DSM 18231T, Pseudomonas kunmingensis CGMCC 1.12273T, Pseudomonas stutzeri DSM 5190T, Pseudomonas oleovorans subsp. lubricantis DSM 21016T, Pseudomomas chengduensis CGMCC 2318T, Pseudomonas alcaliphila DSM 17744T and Pseudomonas toyotomiensis DSM 26169T were 52±0 % to 25±2 %. The DNA G+C content of strain NEAU-ST5-21T was 65 mol%. The major fatty acids (>10 %) were C18 : 1ω7c and/or C18 : 1ω6c, C16 : 1ω7c and/or C16 : 1ω6c and C16 : 0, the predominant respiratory quinone was ubiquinone 9, and polar lipids consisted of diphosphatidylglycerol, phosphatidylethanolamine, one unknown phospholipid, phosphatidylglycerol, one unknown aminolipid, one unknown lipid and a glycolipid. The proposed name is Pseudomonas zhaodongensis sp. nov., NEAU-ST5-21T ( = ACCC 06362T = DSM 27559T) being the type strain.

Sphingobium fontiphilum sp. nov., isolated from a freshwater spring

2013 ◽  
Vol 63 (Pt_5) ◽  
pp. 1906-1911 ◽  
Author(s):  
Shih-Yi Sheu ◽  
Yu-Wen Shiau ◽  
Yan-Ting Wei ◽  
Wen-Ming Chen
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Gene Sequences ◽  
16S Rrna Gene Sequences ◽  
Phenotypic Data ◽  
Content Type ◽  
Link Type

To investigate the biodiversity of bacteria in the spring water of the Chengcing Lake Park in Taiwan, a Gram-stain-negative, rod-shaped, non-motile, non-spore-forming and aerobic bacterial strain, designated strain Chen16-4T, was isolated and characterized in a taxonomic study using a polyphasic approach. Phylogenetic analyses based on 16S rRNA gene sequences showed that the closest relatives of strain Chen16-4T were Sphingobium amiense YTT, Sphingobium yanoikuyae GIFU 9882T and Sphingobium scionense WP01T, with sequence similarities of 97.6, 97.1 and 97.0 %, respectively. A phylogenetic tree obtained with 16S rRNA gene sequences indicated that strain Chen16-4T and these three closest relatives formed an independent phylogenetic clade within the genus Sphingobium . The polar lipid pattern, the presence of spermidine and ubiquinone Q-10, the predominance of C18 : 1ω7c in the cellular fatty acid profile and the DNA G+C content also supported affiliation of the isolate to the genus Sphingobium . The DNA–DNA relatedness of strain Chen16-4T with respect to recognized species of the genus Sphingobium was less than 70 %. On the basis of the genotypic, chemotaxonomic and phenotypic data, strain Chen16-4T represents a novel species in the genus Sphingobium , for which the name Sphingobium fontiphilum sp. nov. is proposed. The type strain is Chen16-4T ( = BCRC 80308T = LMG 26342T = KCTC 23559T).

Gryllotalpicola gen. nov., with descriptions of Gryllotalpicola koreensis sp. nov., Gryllotalpicola daejeonensis sp. nov. and Gryllotalpicola kribbensis sp. nov. from the gut of the African mole cricket, Gryllotalpa africana, and reclassification of Curtobacterium ginsengisoli as Gryllotalpicola ginsengisoli comb. nov.

2012 ◽  
Vol 62 (Pt_10) ◽  
pp. 2363-2370 ◽  
Author(s):  
Hyangmi Kim ◽  
Doo-Sang Park ◽  
Hyun-Woo Oh ◽  
Kang Hyun Lee ◽  
Dong-Ho Chung ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Content Type ◽  
Mole Cricket ◽  
Link Type ◽  
The Family

Strains RU-16T, RU-28, RU-04T and PU-02T were isolated from the gut of the African mole cricket, Gryllotalpa africana. Phylogenetic analyses based on 16S rRNA gene sequences revealed that the strains belonged to the family Microbacteriaceae . All four strains were most closely related to Curtobacterium ginsengisoli DCY26T (below 97 % 16S rRNA gene sequence similarity). These isolates were Gram-stain-positive, motile (by gliding), rod-shaped and exhibited ivory-coloured colonies. Their chemotaxonomic properties included MK-11 as the major respiratory quinone, ornithine as the cell-wall diamino acid, acetyl as the acyl type of the peptidoglycan, cyclohexyl-C17 : 0 as the major fatty acid and phosphatidylglycerol and diphosphatidylglycerol as the major polar lipids. On the basis of phenotypic, chemotaxonomic and phylogenetic analyses, we propose a new genus in the family Microbacteriaceae , Gryllotalpicola gen. nov., with three novel species, Gryllotalpicola daejeonensis sp. nov. (type strain RU-04T  = KCTC 13809T  = JCM 17590T), Gryllotalpicola koreensis sp. nov. (type strain RU-16T  = KCTC 13810T  = JCM 17591T) and Gryllotalpicola kribbensis sp. nov. (type strain PU-02T  = KCTC 13808T  = JCM 17593T). Gryllotalpicola koreensis is the type species of the genus. Additionally, we propose that Curtobacterium ginsengisoli should be reclassified in the genus as Gryllotalpicola ginsengisoli comb. nov. (type strain DCY26T  = KCTC 13163T  = JCM 14773T).

Methylobacterium haplocladii sp. nov. and Methylobacterium brachythecii sp. nov., isolated from bryophytes

2013 ◽  
Vol 63 (Pt_9) ◽  
pp. 3287-3292 ◽  
Author(s):  
Akio Tani ◽  
Nurettin Sahin
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Methylotrophic Bacteria ◽  
Content Type ◽  
Link Type ◽  
Gene Similarity

Pink-pigmented, facultatively methylotrophic bacteria, strains 87eT and 99bT, were isolated from the bryophytes Haplocladium microphyllum and Brachythecium plumosum, respectively. The cells of both strains were Gram-reaction-negative, motile, non-spore-forming rods. On the basis of 16S rRNA gene sequence similarity, strains 87eT and 99bT were found to be related to Methylobacterium organophilum ATCC 27886T (97.1 % and 97.7 %, respectively). Strains 87eT and 99bT showed highest 16S rRNA gene similarity to Methylobacterium gnaphalii 23eT (98.3 and 99.0 %, respectively). The phylogenetic similarities to all other species of the genus Methylobacterium with validly published names were less than 97 %. Major cellular fatty acids of both strains were C18 : 1ω7c and C18 : 0. The results of DNA–DNA hybridization, phylogenetic analyses based on 16S rRNA and cpn60 gene sequences, fatty acid profiles, whole-cell matrix-assisted, laser-desorption/ionization time-of-flight mass spectrometry (MALDI-TOF/MS) analysis, and physiological and biochemical tests allowed genotypic and phenotypic differentiation of strains 87eT and 99bT from their phylogenetically closest relatives. We propose that strains 87eT and 99bT represent novel species within the genus Methylobacterium , for which the names Methylobacterium haplocladii sp. nov. (type strain 87eT = DSM 24195T = NBRC 107714T) and Methylobacterium brachythecii sp. nov. (type strain 99bT = DSM 24105T = NBRC 107710T) are proposed.

Oceanobacillus indicireducens sp. nov., a facultative alkaliphile that reduces an indigo dye

2013 ◽  
Vol 63 (Pt_4) ◽  
pp. 1437-1442 ◽  
Author(s):  
Kikue Hirota ◽  
Kenichi Aino ◽  
Yoshinobu Nodasaka ◽  
Isao Yumoto
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Phylogenetic Analyses ◽  
Tween 20 ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Content Similarity

An indigo-reducing facultatively alkaliphilic and halophilic strain, designated strain A21T, was isolated from a fermented Polygonum indigo (Polygonum tinctorium Lour.) liquor sample aged for 4 days prepared in a laboratory. 16S rRNA gene sequence phylogeny suggested that strain A21T was a member of the genus Oceanobacillus with the closest relative being the type strain of Oceanobacillus chironomi (similarity: 96.0 %). The cells of the isolate stained Gram-positive and were facultatively anaerobic straight rods that were motile by peritrichous flagella. The strain grew between 18 and 48 °C with optimum growth at 39 °C. It grew in the pH range of 7–12. It hydrolysed casein, gelatin and Tween 20 but not Tweens 40, 60 and 80, starch or DNA. No isoprenoid quinone was detected and the DNA G+C content was 39.7 mol%. The whole-cell fatty acid profile mainly consisted of iso-C15 : 0, anteiso-C15 : 0 and C16 : 0. DNA–DNA hybridization experiments with O. chironomi revealed 13 % relatedness. Owing to the differences in phenotypic and chemotaxonomic characteristics, and phylogenetic analyses based on 16S rRNA gene sequences and DNA–DNA relatedness data from reported Oceanobacillus species, the isolate merits classification as a representative of a novel species, for which the name Oceanobacillus indicireducens sp. nov. is proposed. The type strain is A21T ( = JCM 17251T  = NCIMB 14685T). The description of the genus Oceanobacillus is also emended.

Microbacterium chengjingii sp. nov. and Microbacterium fandaimingii sp. nov., isolated from bat faeces of Hipposideros and Rousettus species

2021 ◽  
Vol 71 (7) ◽  
Author(s):  
Juan Zhou ◽  
Yuyuan Huang ◽  
Jing Yang ◽  
Xin-He Lai ◽  
Dong Jin ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Pr China

Four aerobic, Gram-stain-positive, rod-shaped bacteria (HY60T, HY54, HY82T and HY89) were isolated from bat faeces of Hipposideros and Rousettus species collected in PR China. Phylogenetic analyses based on 16S rRNA gene sequences indicated that the four novel strains formed two separate but adjacent subclades close to Microbacterium agarici CGMCC 1.12260T (97.6–97.7 % similarity), Microbacterium humi JCM 18706T (97.3–97.5 %) and Microbacterium lindanitolerans JCM 30493T (97.3–97.4 %). The 16S rRNA gene sequence similarity was 98.3 % between strains HY60T and HY82T, and identical within strain pairs HY60T/HY54 and HY82T/HY89. The DNA G+C contents of strains HY60T and HY82T were 61.9 and 63.3 mol%, respectively. The digital DNA–DNA hybridization and average nucleotide identity values between each novel strain and their closest relatives were all below the 70 % and 95–96 % thresholds for species delimitation, respectively. All four novel strains contained anteiso-C15 : 0, anteiso-C17 : 0, iso-C16 : 0 and iso-C15 : 0 as the main fatty acids, MK-11 and MK-12 as the major respiratory quinones, and diphosphatidylglycerol, phosphatidylglycerol and one unidentified glycolipid as the predominant polar lipids. The cell-wall peptidoglycan was of B type and contained alanine, glutamate, glycine and ornithine. The acyl type of the muramic acid was glycolyl. The whole-cell sugars were rhamnose and ribose. Based on the foregoing polyphasic analyses, it was concluded that the four uncharacterized strains represented two novel species of the genus Microbacterium , for which the names Microbacterium chengjingii sp. nov. [type strain HY60T (=CGMCC 1.17468T=GDMCC 1.1951T=KACC 22102T)] and Microbacterium fandaimingii sp. nov. [type strain HY82T (=CGMCC 1.17469T=GDMCC 1.1949T=KACC 22101T)] are proposed, respectively.

scholarly journals Massilia norwichensis sp. nov., isolated from an air sample

2015 ◽  
Vol 65 (Pt_1) ◽  
pp. 56-64 ◽  
Author(s):  
Ivana Orthová ◽  
Peter Kämpfer ◽  
Stefanie P. Glaeser ◽  
René Kaden ◽  
Hans-Jürgen Busse
Keyword(s):  
16S Rrna ◽  
Type Species ◽  
Sequence Data ◽  
Phylogenetic Analyses ◽  
Phenotypic Characterization ◽  
Rrna Gene ◽  
Gene Sequences ◽  
Polar Lipid Profile ◽  
Content Type ◽  
Link Type

A Gram-negative, rod-shaped and motile bacterial isolate, designated strain NS9T, isolated from air of the Sainsbury Centre for Visual Arts in Norwich, UK, was subjected to a polyphasic taxonomic study including phylogenetic analyses based on partial 16S rRNA, gyrB and lepA gene sequences and phenotypic characterization. The 16S rRNA gene sequence of NS9T identified Massilia haematophila CCUG 38318T, M. niastensis 5516S-1T (both 97.7 % similarity), M. aerilata 5516S-11T (97.4 %) and M. tieshanensis TS3T (97.4 %) as the next closest relatives. In partial gyrB and lepA sequences, NS9T shared the highest similarities with M. haematophila CCUG 38318T (94.5 %) and M. aerilata 5516-11T (94.3 %), respectively. These sequence data demonstrate the affiliation of NS9T to the genus Massilia . The detection of the predominant ubiquinone Q-8, a polar lipid profile consisting of the major compounds diphosphatidylglycerol, phosphatidylethanolamine and phosphatidylglycerol and a polyamine pattern containing 2-hydroxyputrescine and putrescine were in agreement with the assignment of strain NS9T to the genus Massilia . Major fatty acids were summed feature 3 (C16 : 1ω7c and/or iso-C15 : 0 2-OH), C16 : 0, C18 : 1ω7c and C10 : 0 3-OH. Dissimilarities in partial lepA and gyrB gene sequences as well as results from DNA–DNA hybridizations demonstrate that strain NS9T is a representative of an as-yet undescribed species of the genus Massilia that is also distinguished from its close relatives based on physiological and biochemical traits. Hence, we describe a novel species, for which we propose the name Massilia norwichensis sp. nov., with the type strain NS9T ( = CCUG 65457T = LMG 28164T).

Ilumatobacter nonamiense sp. nov. and Ilumatobacter coccineum sp. nov., isolated from seashore sand

2013 ◽  
Vol 63 (Pt_9) ◽  
pp. 3404-3408 ◽  
Author(s):  
Atsuko Matsumoto ◽  
Hiroaki Kasai ◽  
Yoshihide Matsuo ◽  
Yoshikazu Shizuri ◽  
Natsuko Ichikawa ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Seashore Sand ◽  
The 16S Rrna Gene

Bacterial strains YM16-303T and YM16-304T were isolated from a sample of seashore sand using a medium with an artificial seawater base. Both isolates grew slowly on marine agar, and were found to be Gram-reaction-positive, aerobic, non-motile and rod-shaped. The cell-wall peptidoglycan contained ll-diaminopimelic acid, glycine, alanine and hydroxyglutamic acid, and the acyl type of the muramic acid was glycolyl. The predominant menaquinone was MK-9(H8). The 16S rRNA gene sequences of strains YM16-303T and YM16-304T were most similar to that of Ilumatobacter fluminis YM22-133T, and phylogenetic analyses also indicated that they belong to the genus Ilumatobacter . Ilumatobacter fluminis YM22-133T and strains YM16-303T and YM16-304T should be classified as distinct species in the genus Ilumatobacter , however, since the 16S rRNA gene sequence similarity between them was low and the major cellular fatty acids and some physiological properties were different. Moreover, average nucleotide identity and maximal unique exact matches index values also supported the conclusion that they represent different species. On the basis of the above analyses, two novel species, Ilumatobacter nonamiense sp. nov. (type strain YM16-303T = NBRC 109120T = KCTC 29139T) and Ilumatobacter coccineum sp. nov. (type strain YM16-304T = NBRC 103263T = KCTC 29153T), are proposed. The order Acidimicrobiales , which contains the genus Ilumatobacter , currently includes six genera and only six species, and they are phylogenetically very far from each other. Phylogenetic analyses revealed that strains YM16-303T and YM16-304T clustered with closely related uncultured actinobacteria but not Ilumatobacter fluminis YM22-133T, suggesting that many uncultured bacteria related to these isolates exist in the environment. This is the first report on interspecies relationships in the order Acidimicrobiales .

scholarly journals Description of Azotobacter chroococcum subsp. isscasi subsp. nov. isolated from paddy soil and establishment of Azotobacter chroococcum subsp. chroococcum subsp. nov.

2020 ◽  
Vol 70 (3) ◽  
pp. 2124-2131 ◽  
Author(s):  
Haiyang Jin ◽  
Hui Wang ◽  
Yanhui Zhang ◽  
Tianlong Hu ◽  
Zhibin Lin ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Paddy Soil ◽  
Type Strain ◽  
Type Species ◽  
Phylogenetic Analyses ◽  
Azotobacter Chroococcum ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type

Three aerobic, asymbiotic, N2-fixing bacterial strains, designated P205T, P204 and P207, were isolated from a paddy soil in Yanting County, China. Based on 16S rRNA gene sequences, the three strains were closely related to Azotobacter chroococcum IAM 12666T (=ATCC 9043T) (99.00–99.79 % similarities). Strain P205T formed an individual branch distinct from the other two newly isolated strains and other related type strains in phylogenetic analyses based on 16S rRNA gene and 92 core genes. The average nucleotide identity (ANI), average amino acid identity (AAI) and digital DNA–DNA hybridization (dDDH) values based on genome sequences of strain P205T and A. chroococcum ATCC 9043T, P204, P207 were near or slightly higher than the thresholds for species circumscription (95–96, 95–96 and 70 %, respectively), and the dDDH values were significantly lower than the threshold for delineating subspecies (79–80 %), which strongly supported that strain P205T belonged to A. chroococcum but was a novel subspecies distinct from the type strain of A. chroococcum . This finding was further corroborated by distinct phenotypic characteristics such as growth in Luria–Bertani (LB) medium, carbon source utilization and chemical sensitivity to vancomycin. Therefore, strain P205T represents a novel subspecies of Azotobacter chroococcum , for which the name Azotobacter chroococcum subsp. isscasi subsp. nov. is proposed with the type strain P205T (=KCTC 72233T=CGMCC 1.16846T=CCTCC AB 2019080T). The subspecies Azotobacter chroococcum subsp. chroococcum subsp. nov. is created automatically with the type strain ATCC 9043T (=DSM 2286T=JCM 20725T=JCM 21503T=LMG 8756T=NBRC 102613T=NCAIM B.01391T=NRRL B-14346T=VKM B-1616T).

Flavobacterium lotistagni sp. nov. and Flavobacterium celericrescens sp. nov., isolated from freshwater habitats

2021 ◽  
Author(s):  
Jia-Hong Wu ◽  
Ya-Xiu You ◽  
Chiu-Chung Young ◽  
Soon-Wo Kwon ◽  
Wen-Ming Chen
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Rrna Gene ◽  
Gene Sequences ◽  
16S Rrna Gene Sequences ◽  
Content Type ◽  
Link Type ◽  
Freshwater Habitats

This study presents taxonomic descriptions of strains CYK-4T and TWA-26T isolated from freshwater habitats in Taiwan. Both strains were Gram-stain-negative, strictly aerobic, motile by gliding and rod-shaped. Phylogenetic analyses based on 16S rRNA gene sequences and coding sequences of 92 protein clusters indicated that both strains belonged to the genus Flavobacterium . Analysis of 16S rRNA gene sequences showed that strains CYK-4T and TWA-26T shared 92.7 % sequence similarity and were most closely related to Flavobacterium ovatum W201ET (95.6 %) and Flavobacterium aquaticum JC164T (96.7 %), respectively. Both strains shared common chemotaxonomic characteristics comprising MK-6 as the main isoprenoid quinone, iso-C15 : 0 and iso-C15 : 1 G as the predominant fatty acids, phosphatidylethanolamine as the principal polar lipid, and homospermidine as the major polyamine. The DNA G+C contents of strains CYK-4T and TWA-26T were 41.5 and 31.8 mol%, respectively. The average nucleotide identity, average amino acid identity and digital DNA–DNA hybridization values between these two novel isolates and their closest relatives were below the cut-off values of 95–96, 90 and 70 %, respectively, used for species demarcation. On the basis of phenotypic and genotypic properties and phylogenetic inference, both strains should be classified as novel species within the genus Flavobacterium , for which the names Flavobacterium lotistagni sp. nov. (type strain CYK-4T=BCRC 81192T=LMG 31330T) and Flavobacterium celericrescens sp. nov. (type strain TWA-26T=BCRC 81200T=LMG 31333T) are proposed.

scholarly journals Taxonomic study of the genera Halogeometricum and Halosarcina : transfer of Halosarcina limi and Halosarcina pallida to the genus Halogeometricum as Halogeometricum limi comb. nov. and Halogeometricum pallidum comb. nov., respectively

2013 ◽  
Vol 63 (Pt_10) ◽  
pp. 3915-3919 ◽  
Author(s):  
Xing-Xing Qiu ◽  
Mei-Lin Zhao ◽  
Dong Han ◽  
Wen-Jiao Zhang ◽  
Mike L. Dyall-Smith ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Taxonomic Study ◽  
Content Type ◽  
Link Type

Members of the haloarchaeal genera Halosarcina and Halogeometricum (family Halobacteriaceae ) are closely related to each other and show 96.6–98 % 16S rRNA gene sequence similarity. This is higher than the accepted threshold value (95 %) to separate two genera, and a taxonomic study using a polyphasic approach of all four members of the two genera was conducted to clarify their relationships. Polar lipid profiles indicated that Halogeometricum rufum RO1-4T, Halosarcina pallida BZ256T and Halosarcina limi RO1-6T are related more to each other than to Halogeometricum borinquense CGMCC 1.6168T. Phylogenetic analyses using the sequences of three different genes (16S rRNA gene, rpoB′ and EF-2) strongly supported the monophyly of these four species, showing that they formed a distinct clade, separate from the related genera Halopelagius , Halobellus , Haloquadratum , Haloferax and Halogranum . The results indicate that the four species should be assigned to the same genus, and it is proposed that Halosarcina pallida and Halosarcina limi be transferred to the genus Halogeometricum as Halogeometricum pallidum comb. nov. (type strain, BZ256T = KCTC 4017T = JCM 14848T) and Halogeometricum limi comb. nov. (type strain, RO1-6T = CGMCC 1.8711T = JCM 16054T).

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