scholarly journals Novibacillus thermophilus gen. nov., sp. nov., a Gram-staining-negative and moderately thermophilic member of the family Thermoactinomycetaceae

2015 ◽  
Vol 65 (Pt_8) ◽  
pp. 2591-2597 ◽  
Author(s):  
Guiqin Yang ◽  
Junhua Chen ◽  
Shungui Zhou
Keyword(s):  
Type Strain ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Growth Conditions ◽  
Rrna Gene ◽  
Bacterial Strains ◽  
Moderately Thermophilic ◽  
Gram Staining ◽  
The Family ◽  
Family Based

Two Gram-staining-negative, facultatively anaerobic bacterial strains, SG-1T and SG-2, were isolated from a saline soil sample and a compost sample, respectively. The cells were non-motile rods that occurred singly or in chains, and endospores were not observed under tested growth conditions. Optimum growth occurred at 50 °C, pH 7.5–8.0 and with 5–7 % (w/v) NaCl. The DNA G+C content was 49.5–50.5 mol%. The strains contained MK-7 as the predominant menaquinone and iso-C15 : 0 and anteiso-C15 : 0 as the major fatty acids. The polar lipids consisted mainly of diphosphatidylglycerol and phosphatidylglycerol. The cell-wall peptidoglycan type was A1γ (meso-DAP direct). Phylogenetic analyses revealed that the new isolates belonged to the family Thermoactinomycetaceae, exhibiting low 16S rRNA gene sequence similarity (90.8–91.3 %) to the nearest type strain, Mechercharimyces asporophorigenens YM11-542T, and formed a well-supported lineage that was clearly distinguished from all currently described genera in this family. Based on our polyphasic taxonomic characterization, we propose that strains SG-1T and SG-2 represent a novel genus and species within the family Thermoactinomycetaceae, for which we propose the name Novibacillus thermophilus gen. nov., sp. nov. The type strain of Novibacillus thermophilus is SG-1T ( = KCTC 33118T = CGMCC 1.12771T).

Rhodocytophaga aerolata gen. nov., sp. nov., a new member of the family Cytophagaceae isolated from air

2010 ◽  
Vol 60 (7) ◽  
pp. 1554-1558 ◽  
Author(s):  
Rangasamy Anandham ◽  
Hang-Yeon Weon ◽  
Soo-Jin Kim ◽  
Yi-Seul Kim ◽  
Soon-Wo Kwon
Keyword(s):  
Type Strain ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Polar Lipids ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Respiratory Quinone ◽  
Gram Staining ◽  
The Family ◽  
Major Respiratory Quinone

A strictly aerobic, Gram-staining-negative, oxidase- and catalase-positive, non-motile, rod-shaped bacterium, designated strain 5416T-29T, was isolated from air and was characterized by using a polyphasic approach. Colonies were reddish pink and circular with entire margins. Flexirubin-type pigments were absent. The strain formed a distinct phylogenetic lineage within the family Cytophagaceae of the phylum Bacteroidetes. Strain 5416T-29T did not show more than 88 % 16S rRNA gene sequence similarity to the type strain of any recognized species. The major cellular fatty acids were C16 : 1 ω5c, iso-C17 : 0 3-OH and iso-C15 : 0. The polar lipids were phosphatidylethanolamine, one unknown amino lipid and several unknown polar lipids. Menaquinone-7 (MK-7) was the major respiratory quinone. The G+C content of the DNA of strain 5416T-29T was 45.5 mol%. Results of phenotypic and phylogenetic analyses clearly indicate that strain 5416T-29T represents a novel species of a new genus in the family Cytophagaceae, for which the name Rhodocytophaga aerolata gen. nov., sp. nov. is proposed. The type strain of Rhodocytophaga aerolata is 5416T-29T (=KACC 12507T =DSM 22190T).

scholarly journals Amylibacter marinus gen. nov., sp. nov., isolated from surface seawater

2014 ◽  
Vol 64 (Pt_12) ◽  
pp. 4016-4020 ◽  
Author(s):  
Maki Teramoto ◽  
Miyuki Nishijima
Keyword(s):  
Type Strain ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Surface Seawater ◽  
Unidentified Phospholipid ◽  
Content Type ◽  
Link Type ◽  
The Family ◽  
Novel Genus And Species

A Gram-stain-negative, non-motile, mesophilic, aerobic, rod-shaped bacterium, designated strain 2-3T, was isolated from surface seawater at Muroto city, Kochi prefecture, Japan. This strain grew well with starch. Phylogenetic analyses based on 16S rRNA gene sequences showed that the strain fell within the family Rhodobacteraceae and that the strain was related most closely to the genus Pacificibacter (94.0 % sequence similarity to the type strain). The DNA G+C content was 52.4 mol%. The major fatty acids were C18 : 1ω7c, C14 : 0 and C16 : 0. The major polar lipids were phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, one unidentified lipid, one unidentified aminolipid and one unidentified phospholipid. The major isoprenoid quinone was Q-10. Strain 2-3T did not grow at 4 or 35 °C, while the type strain of the type species of the genus Pacificibacter grows at both temperatures. From the taxonomic data obtained in this study, it is proposed that strain 2-3T be placed into a novel genus and species named Amylibacter marinus gen. nov., sp. nov. in the family Rhodobacteraceae . The type strain of Amylibacter marinus is 2-3T ( = NBRC 110140T = LMG 28364T).

scholarly journals Tamilnaduibacter salinus gen. nov., sp. nov., a halotolerant gammaproteobacterium within the family Alteromonadaceae, isolated from a salt pan in Tamilnadu, India

2015 ◽  
Vol 65 (Pt_10) ◽  
pp. 3248-3255 ◽  
Author(s):  
Ashish Verma ◽  
Poonam Mual ◽  
Shanmugam Mayilraj ◽  
Srinivasan Krishnamurthi
Keyword(s):  
Type Strain ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Carbon Sources ◽  
Rrna Gene ◽  
The Novel ◽  
The Family ◽  
Molecular Phylogenetic ◽  
Salt Pan ◽  
Slow Growing

Two novel Gram-stain-negative, slow-growing, halotolerant strains with rod-shaped cells, designated as strains Mi-7T and Mi-8, which formed pin-point colonies on halophilic media were isolated during a study into the microbial diversity of a salt pan in the state of Tamilnadu, India. Both the strains had an obligate requirement for 1 % (w/v) NaCl for growth and were halotolerant, growing at NaCl concentrations of up to 20 % (w/v) in media. The strains, however, showed an inability to utilize the majority of substrates tested as sole carbon sources for growth and in fermentation reactions. Molecular phylogenetic analyses, based on 16S rRNA gene sequence revealed their closest phylogenetic neighbours to be members of the genus Marinobacter, with whom they showed the highest sequence similarity of 93.6 % and even less with the type strain of the type species, Marinobacter hydrocarbonoclasticus DSM 8798T (91.1 %). Similarities with other genera within the family Alteromonadaceae were below 91.0 %. However, the two strains were very closely related to each other with 99.9 % sequence similarity, and DNA–DNA hybridization analyses confirmed their placement in the same species. The DNA G+C content of both strains was 65 mol%. Using the polyphasic taxonomic data obtained from this study, strains Mi-7T and Mi-8 represent two strains of the same species of a novel genus for which the name Tamilnaduibacter salinus gen. nov., sp. nov., is proposed; the type strain of the novel species is Mi-7T ( = MTCC 12009T = DSM 28688T).

scholarly journals Salinibacillus aidingensis gen. nov., sp. nov. and Salinibacillus kushneri sp. nov., moderately halophilic bacteria isolated from a neutral saline lake in Xin-Jiang, China

2005 ◽  
Vol 55 (2) ◽  
pp. 949-953 ◽  
Author(s):  
Pei-Gen Ren ◽  
Pei-Jin Zhou
Keyword(s):  
Type Strain ◽  
Saline Lake ◽  
Sequence Similarity ◽  
Halophilic Bacteria ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Bacterial Strains ◽  
Moderately Halophilic ◽  
The Family ◽  
Taxonomic Studies

Three Gram-positive, moderately halophilic, heterotrophic bacterial strains were isolated from a neutral saline lake in the Xin-Jiang area of China. The strains, designated 8-2T, W11-1 and 25-7T, were motile, spore-forming, aerobic rods and contained meso-diaminopimelic acid in their cell walls. Their DNA G+C contents were 37·4, 37·2 and 39·9 mol%, respectively. The main fatty acids in the cellular membranes of these novel strains were C15 and C17 methyl-branched. No species with validly published names showed 16S rRNA gene sequence similarity of more than 95 % with respect to these novel isolates; the most closely related species was a halophilic denitrifier, Bacillus halodenitrificans (94·6 %). Polyphasic taxonomic studies revealed that these strains belong to the Bacillaceae and are distantly related to other genera of the family. It is proposed that a new genus, Salinibacillus, should be created, with Salinibacillus aidingensis (type strain, 25-7T=AS 1.3565T=JCM 12389T) as the type species. Another species, Salinibacillus kushneri, is also proposed, with 8-2T (=AS 1.3566T=JCM 12390T) as the type strain.

Flavobacterium yonginense sp. nov. and Flavobacterium myungsuense sp. nov., isolated from a mesotrophic artificial lake

2012 ◽  
Vol 62 (Pt_4) ◽  
pp. 806-810 ◽  
Author(s):  
Yochan Joung ◽  
Haneul Kim ◽  
Tae-Seok Ahn ◽  
Kiseong Joh
Keyword(s):  
Type Strain ◽  
Type Species ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Bacterial Strains ◽  
16S Rrna Gene Sequences ◽  
Artificial Lake ◽  
Content Type ◽  
Link Type ◽  
Gram Staining

Two non-motile, Gram-staining-negative, yellow-pigmented bacterial strains designated HMD1001T and HMD1033T were isolated from the water of a mesotrophic artificial lake in Korea. A phylogenetic tree based on 16S rRNA gene sequences indicated that both strains could be assigned to the genus Flavobacterium ; strain HMD1001T appeared most closely related to Flavobacterium fluvii H7T (96.8 % sequence similarity), F. succinicans DSM 4002T (96.6 %) and F. hydatis DSM 2063T (96.6 %) whereas strain HMD1033T appeared most closely related to Flavobacterium psychrolimnae LMG 2201T (96.2 %), F. segetis AT1048T (96.2 %) and F. weaverense AT1042T (96.2 %). The major fatty acids of strain HMD1001T were iso-C15 : 0 (21.5 %), summed feature 3 (comprising C16 : 1ω6c and/or C16 : 1ω7c; 18.0 %) and iso-C15 : 1 G (7.6 %), whereas those of HMD1033T were summed feature 3 (23.8 %), iso-C15 : 0 3-OH (16.9 %), iso-C15 : 0 (15.3 %) and anteiso-C15 : 0 (12.1 %). The genomic DNA G+C contents of strains HMD1001T and HMD1033T were 35.9 and 32.2 mol%, respectively. Phylogenetic and phenotypic evidence indicates that strains HMD1001T and HMD1033T represent two novel species of the genus Flavobacterium , for which the names Flavobacterium yonginense sp. nov. (type strain HMD1001T  = KCTC 22796T  = CECT 7594T) and Flavobacterium myungsuense sp. nov. (type strain HMD1033T  = KCTC 22825T  = CECT 7649T) are proposed.

Rubritalea spongiae sp. nov. and Rubritalea tangerina sp. nov., two carotenoid- and squalene-producing marine bacteria of the family Verrucomicrobiaceae within the phylum ‘Verrucomicrobia’, isolated from marine animals

2007 ◽  
Vol 57 (10) ◽  
pp. 2337-2343 ◽  
Author(s):  
Jaewoo Yoon ◽  
Yoshihide Matsuo ◽  
Satoru Matsuda ◽  
Kyoko Adachi ◽  
Hiroaki Kasai ◽  
...  
Keyword(s):  
Type Strain ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Marine Animals ◽  
Separate Species ◽  
The Family ◽  
Definition Of ◽  
Taxonomic Studies

Two Gram-negative, non-motile, coccoid or rod-shaped, chemoheterotrophic bacteria designated strains YM21-132T and YM27-005T were isolated from marine animals, and were subjected to a polyphasic taxonomic examination. Phylogenetic analyses based on 16S rRNA gene sequences indicated that the two isolates belong to the genus Rubritalea of the phylum ‘Verrucomicrobia’ (subdivision 1). The novel isolates shared approximately 97–98 % sequence similarity with each other and showed 93–97 % similarity with Rubritalea species of the family Verrucomicrobiaceae. The level of DNA–DNA relatedness between strains YM21-132T and YM27-005T was less than 70 %, which is accepted as the phylogenetic definition of a species. Both strains produced reddish carotenoid pigments and squalene. The cell wall peptidoglycan of both strains contained muramic acid and meso-diaminopimelic acid. The G+C contents of the genomic DNA were 48.0 mol% (strain YM21-132T) and 50.3 mol% (strain YM27-005T). The presence of MK-8 and MK-9 as the major isoprenoid quinones, and iso-C14 : 0, iso-C16 : 0 and C16 : 1 ω7c as the major cellular fatty acids supported the identification of the two novel strains as members of the genus Rubritalea. On the basis of polyphasic taxonomic studies, it was concluded that these strains should be classified as representing two novel, separate species in the genus Rubritalea within the phylum ‘Verrucomicrobia’, for which the names Rubritalea spongiae sp. nov. (type strain YM21-132T=MBIC08281T=KCTC 12906T) and Rubritalea tangerina sp. nov. (type strain YM27-005T=MBIC08282T=KCTC 12907T) are proposed.

scholarly journals Description of Fabibacter halotolerans gen. nov., sp. nov. and Roseivirga spongicola sp. nov., and reclassification of [Marinicola] seohaensis as Roseivirga seohaensis comb. nov.

2006 ◽  
Vol 56 (5) ◽  
pp. 1059-1065 ◽  
Author(s):  
Stanley C. K. Lau ◽  
Mandy M. Y. Tsoi ◽  
Xiancui Li ◽  
Ioulia Plakhotnikova ◽  
Sergey Dobretsov ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Gliding Motility ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Bacterial Strains ◽  
Respiratory Quinone

Bacterial strains UST030701-097T and UST030701-084T were isolated from a marine sponge in the Bahamas. Both strains were pink-pigmented, Gram-negative, strictly aerobic and chemo-organotrophic. Cells of strain UST030701-097T were short, curved rods with fast-gliding motility, whereas those of strain UST030701-084T were straight rods with a less rapid gliding motion. The two strains had MK-7 as the major respiratory quinone and did not produce flexirubin-type pigments. The DNA G+C contents of strains UST030701-097T and UST030701-084T were 42.5 and 43.7 mol%, respectively. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the two strains belonged to the family ‘Flexibacteraceae’ of the phylum Bacteroidetes. 16S rRNA gene sequence similarity between strains UST030701-097T and UST030701-084T was 95.0 %; their closest relative was [Marinicola] seohaensis, with 93.3 % and 96.0 % sequence similarity, respectively. Phylogenetic tree topology indicated that the two strains belonged to the same lineage, but were on separate branches. Whilst strain UST030701-084T and [Marinicola] seohaensis were found on one branch, strain UST030701-097T was in another branch that had no species with validly published names. Based on the polyphasic taxonomic data obtained in the present study, we propose that strain UST030701-097T represents a novel genus and that strain UST030701-084T represents a novel species in the phylum Bacteroidetes. The genus Fabibacter gen. nov. is proposed, with strain UST030701-097T (=NRRL B-41220T=JCM 13334T) as the type strain of the type species, Fabibacter halotolerans sp. nov. Strain UST030701-084T (=NRRL B-41219T=JCM 13337T) is proposed as the type strain of Roseivirga spongicola sp. nov. In an earlier study, it was suggested that the genus Marinicola is a later heterotypic synonym of the genus Roseivirga. However, a formal proposal to reclassify [Marinicola] seohaensis, the only member of the genus Marinicola, has not yet been made. The results of phylogenetic analyses in this study support the reclassification of [Marinicola] seohaensis as Roseivirga seohaensis comb. nov.

scholarly journals Thermohalobaculum Xanthum Gen. Nov., Sp. Nov., A Novel Moderately Thermophilic Bacterium Isolated From Mangrove Sediment

2021 ◽  
Author(s):  
Xinli Pan ◽  
Fei Li ◽  
Zhe Li ◽  
Yuanlin Huang ◽  
Qiaozhen Wang ◽  
...  
Keyword(s):  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Nutrient Utilization ◽  
Thermophilic Bacterium ◽  
Mangrove Sediment ◽  
Species Discrimination ◽  
Rrna Gene ◽  
Beibu Gulf ◽  
Moderately Thermophilic ◽  
The Family

Abstract A novel moderately thermophilic and halophilic bacterium, designated strain M0105T, was isolated from mangrove sediment collected in the Beibu Gulf, south China. The isolate is Gram-negative, non-motile and rod-shaped bacterium with smooth colonies of pale-yellow appearance. Growth occurs at 15-46℃ (optimum 37-40℃) and pH range of 6.0-10.0 (optimum pH 8.0-9.0). It required 1-7% NaCl (optimum 3-5%) for growth. Strain M0105T was affiliated to the family ‘Rhodobacteraceae’, sharing the highest 16S rRNA gene sequence similarity with Limibaculum halophilum CAU 1123T (96.8%). The major menaquinone Q-10 and the dominant unsaturated fatty acid (C18:1ω7) in this family were also detected in the strain M0105T. The genome sequence possesses a circular 4.1 Mb chromosome with a G+C content of 67.9%. Strain M0105T encoded many genes for cellular stress resistance and nutrient utilization, which could improve its adaptive capacity to the mangrove environment. Values of conserved proteins (POCP), average nucleotide identity (ANI), average amino acid identity (AAI) and DNA-DNA hybridization (dDDH) between the isolate and closely related species were below the proposed threshold for species discrimination. Information from phenotypic, chemotaxonomic and phylogenetic analyses proposed that strain M0105T should be assigned to a novel genus within the family ‘Rhodobacteraceae’. Thus, we suggested that the strain M0105T represents a novel species in a new genus, for which the name Thermohalobaculum xanthum gen. nov., sp. nov. is proposed. The type strain of the type species is M0105T (=BGMRC 2019T=KCTC 52118T =MCCC 1K03767T=NBRC 112057T).Six supplementary figures and two supplementary tables are available with the online version of this article.

scholarly journals Thiopseudomonas denitrificans gen. nov., sp. nov., isolated from anaerobic activated sludge

2015 ◽  
Vol 65 (Pt_1) ◽  
pp. 225-229 ◽  
Author(s):  
Wen-Bo Tan ◽  
Zhao Jiang ◽  
Chuan Chen ◽  
Ye Yuan ◽  
Ling-Fang Gao ◽  
...  
Keyword(s):  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Unidentified Phospholipid ◽  
Content Type ◽  
Link Type ◽  
Gram Staining ◽  
The Family ◽  
Optimum Ph ◽  
Novel Genus And Species

A Gram-staining-negative, rod-shaped, motile and facultatively anaerobic bacterial strain, designated X2T, was isolated from the sludge of an anaerobic, denitrifying, sulfide-removal bioreactor, and found to oxidize sulfide anaerobically with nitrate as electron acceptor. The strain grew at salinities of 0–3 % (w/v) NaCl (optimum, 0–1 %). Growth occurred at pH 6.0–10.0 (optimum, pH 8.0) and 10–37 °C (optimum, 30 °C). The genomic DNA G+C content was 59 mol%. Q-8 and Q-9 were detected as the respiratory quinones. The major fatty acids (>10 %) were C16 : 1ω7c and/or C16 : 1ω6c, C18 : 1ω7c and C16 : 0. The polar lipids consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol and one unidentified phospholipid. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain X2T formed a novel clade within the family Pseudomonadaceae , with the highest sequence similarity to Pseudomonas caeni KCTC 22292T (93.5 %). On the basis of phenotypic, chemotaxonomic and phylogenetic characteristics, it is proposed that this strain represents novel genus and species within the family Pseudomonadaceae , for which the name Thiopseudomonas denitrificans gen. nov., sp. nov. is proposed. The type strain is X2T ( = CCTCC M 2013362T = DSM 28679T = KCTC 42076T).

scholarly journals Halobellus clavatus gen. nov., sp. nov. and Halorientalis regularis gen. nov., sp. nov., two new members of the family Halobacteriaceae

2011 ◽  
Vol 61 (11) ◽  
pp. 2682-2689 ◽  
Author(s):  
Heng-Lin Cui ◽  
Xin Yang ◽  
Xia Gao ◽  
Xue-Wei Xu
Keyword(s):  
Type Strain ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Eastern China ◽  
Rrna Gene ◽  
Solar Saltern ◽  
Marine Solar Saltern ◽  
The Family ◽  
Optimum Ph ◽  
Haloquadratum Walsbyi

Four halophilic archaeal strains, designated TNN18T, TBN12, TNN28T and TBN19, were isolated from brines sampled from two artificial marine solar salterns in eastern China. Strains TNN18T and TNN28T were isolated from the Tainan marine solar saltern, whereas strains TBN12 and TBN19 were from the Taibei marine solar saltern. Colonies of the four strains were red-pigmented and their cells were pleomorphic, motile, Gram-reaction-negative rods. Strains TNN18T and TBN12 were able to grow at 25–50 °C (optimum 37 °C), in 10–30 % (w/v) NaCl (optimum 15 %), with 0–1.0 M MgCl2 (optimum 0.05 M) and at pH 5.5–9.0 (optimum pH 7.0–7.5), while strains TNN28T and TBN19 were able to grow at 20–50 °C (optimum 37 °C), in 15-30 % (w/v) NaCl (optimum 18–20 %), in 0.005–1.0 M MgCl2 (optimum 0.01–0.3 M) and at pH 6.0–9.0 (optimum pH 7.0–7.5). Cells of these strains lyse in distilled water; minimal NaCl concentrations to prevent cell-lysis are 10 % (w/v) for strains TNN18T and TBN12 and 12 % (w/v) for strains TNN28T and TBN19. The major polar lipids of strains TNN18T and TBN12 were phosphatidylglycerol (PG), phosphatidylglycerol phosphate methyl ester (PGP-Me), phosphatidylglycerol sulfate (PGS) and one major glycolipid (GL1), which was chromatographically identical to sulfated mannosyl glucosyl diether (S-DGD-1). Minor amounts of other lipids (GL0, GL2, GL3 and GL4) were also detectable. The polar lipid profiles of strains TNN28T and TBN19 contained PG, PGP-Me, GL1, which was chromatographically identical to S-DGD-1, and three to four minor unidentified glycolipids (GL2–GL5). Phylogenetic analyses revealed that strains TNN18T and TBN12 formed a distinct clade with strains of the closest related species, Haloquadratum walsbyi (91.5–91.8 % 16S rRNA gene sequence similarity) and strains TNN28T and TBN19 formed a distinct clade with strains of the species Halosimplex carlsbadense (89.9–93.3 % similarity) and two members of the genus Halorhabdus (92.5–93.3 % similarity). The DNA G+C contents of strains TNN18T, TBN12, TNN28T and TBN19 were 61.5, 62.4, 61.9 and 61.5 mol%, respectively. DNA–DNA hybridization values between strains TNN18T and TBN12, and strains TNN28T and TBN19 were 82.9 % and 88.2 %, respectively. The phenotypic, chemotaxonomic and phylogenetic properties suggest that the four strains represent two novel species of two new genera within the family Halobacteriaceae, for which the names Halobellus clavatus gen. nov., sp. nov. (type strain TNN18T  = CGMCC 1.10118T  = JCM 16424T) and Halorientalis regularis gen. nov., sp. nov. (type strain TNN28T  = CGMCC 1.10123T  = JCM 16425T) are proposed.

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