- Volume 64, Issue Pt_3, 2014
Volume 64, Issue Pt_3, 2014
- Validation List
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List of new names and new combinations previously effectively, but not validly, published
More LessThe purpose of this announcement is to effect the valid publication of the following effectively published new names and new combinations under the procedure described in the Bacteriological Code (1990 Revision). Authors and other individuals wishing to have new names and/or combinations included in future lists should send a covering letter, a copy of, or a link to the published paper and electronic copies of certificates of deposit from at least two culture collections in different countries to the IJSEM Editorial Office ([email protected]) for confirmation that all of the other requirements for valid publication have been met. It is also a requirement of IJSEM and the ICSP that authors of new species, new subspecies and new combinations provide evidence that types are deposited in two recognized culture collections in two different countries. It should be noted that the date of valid publication of these new names and combinations is the date of publication of this list, not the date of the original publication of the names and combinations. The authors of the new names and combinations are as given below. Inclusion of a name on these lists validates the publication of the name and thereby makes it available in the nomenclature of prokaryotes. The inclusion of a name on this list is not to be construed as taxonomic acceptance of the taxon to which the name is applied. Indeed, some of these names may, in time, be shown to be synonyms, or the organisms may be transferred to another genus, thus necessitating the creation of a new combination.
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- Notification List
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Notification that new names of prokaryotes, new combinations and new taxonomic opinions have appeared in volume 63, part 12, of the IJSEM
More LessThis listing of names of prokaryotes published in a previous issue of the IJSEM is provided as a service to bacteriology to assist in the recognition of new names and new combinations. This procedure was proposed by the Judicial Commission [Minute 11(ii), Int J Syst Bacteriol 41 (1991), p. 185]. The names given herein are listed according to the Rules of priority (i.e. page number and order of valid publication of names in the original articles).
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- New Taxa
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- Archaea
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Halorientalis persicus sp. nov., an extremely halophilic archaeon isolated from a salt lake and emended description of the genus Halorientalis
An extremely halophilic archaeon, strain D108T, was isolated from a brine sample of Aran-Bidgol salt lake in Iran. The novel strain was cream-pigmented, motile, pleomorphic rod-shaped and required at least 2.5 M NaCl but not MgCl2 for growth. Optimal growth was achieved with 4.3 M NaCl and 0.1 M MgCl2. The optimum pH and temperature for growth were pH 7.5 and 40 °C, respectively, and the strain was able to grow over a pH range of 6.5 to 9.0, and a temperature range of 30 to 50 °C. Phylogenetic analysis based on 16S rRNA gene sequence comparisons revealed that strain D108T clustered with the type strain of the sole species of the genus Halorientalis , Halorientalis regularis TNN28T, with a sequence similarity of 98.8 %. The polar lipid pattern of strain D108T consisted of phosphatidylglycerol, phosphatidylglycerol phosphate methyl ester, one phosphoglycolipid and two glycolipids. The only quinone present was MK-8(II-H2). The DNA G+C content of strain D108T was 62.8 mol%. DNA–DNA hybridization studies (45 % with Halorientalis regularis IBRC-M 10760T), as well as biochemical and physiological characterization, allowed strain D108T to be differentiated from Halorientalis regularis . A novel species of the genus Halorientalis , Halorientalis persicus sp. nov., is therefore proposed to accommodate this strain. The type strain is D108T ( = IBRC-M 10043T = CECT 8375T). An emended description of the genus Halorientalis is also proposed.
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Natronoarchaeum rubrum sp. nov., isolated from a marine solar saltern, and emended description of the genus Natronoarchaeum
More LessA halophilic archaeal strain, GX48T, was isolated from the Gangxi marine solar saltern near Weihai city in Shandong Province, China. Cells of the strain were rod-shaped, stained Gram-negative and formed red-pigmented colonies. Strain GX48T was able to grow at 25–50 °C (optimum 37 °C), in the presence of 1.4–4.8 M NaCl (optimum 2.6 M NaCl), with 0–1.0 M MgCl2 (optimum 0.05 M MgCl2) and at pH 5.5–9.5 (optimum pH 7.0). Cells lysed in distilled water and the minimal NaCl concentration to prevent cell lysis was 8 % (w/v). The major polar lipids of the strain were phosphatidylglycerol, phosphatidylglycerol phosphate methyl ester and two major glycolipids chromatographically identical to those of Natronoarchaeum mannanilyticum YSM-123T and Natronoarchaeum philippinense 294-194-5T. 16S rRNA gene analysis revealed that strain GX48T had two dissimilar 16S rRNA genes and both of them were phylogenetically related to those of the two current members of the genus Natronoarchaeum (96.2–98.3 % similarities). The rpoB′ gene sequence similarities between strain GX48T and Natronoarchaeum mannanilyticum YSM-123T and Natronoarchaeum philippinense 294-194-5T were 96.0 % and 94.7 %, respectively. The DNA G+C content of strain GX48T was 66.2 mol%. Strain GX48T showed low DNA–DNA relatedness with the two members of the genus Natronoarchaeum . It was concluded that strain GX48T ( = CGMCC 1.10388T = JCM 17119T) represents a novel species of the genus Natronoarchaeum , for which the name Natronoarchaeum rubrum sp. nov. is proposed. An emended description of the genus Natronoarchaeum is also presented.
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- Actinobacteria
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Rubrobacter aplysinae sp. nov., isolated from the marine sponge Aplysina aerophoba
More LessA Gram-stain-positive, non-spore-forming bacterium (strain RV113T) was isolated from the marine sponge Aplysina aerophoba. 16S rRNA gene sequence analysis showed that strain RV113T belongs to the genus Rubrobacter , and is related most closely to Rubrobacter bracarensis VF70612_S1T (96.9 % similarity) and more distantly related (<93 %) to all other species of the genus Rubrobacter . The peptidoglycan diamino acid was lysine. Strain RV113T exhibited a quinone system with menaquinone MK-8 as the predominant compound. The polar lipid profile of strain RV113T consisted of the major compounds phosphatidylglycerol and two unidentified phosphoglycolipids. The major fatty acid was anteiso-C17 : 0ω9c. These chemotaxonomic traits are in agreement with those of other speciesof the genus Rubrobacter . The results of physiological and biochemical tests allowed the clear phenotypic differentiation of strain RV113T from all recognized Rubrobacter species. Strain RV113T is thus considered to represent a novel species, for which the name Rubrobacter aplysinae sp. nov. is proposed. The type strain is RV113T ( = DSM 27440T = CECT 8425T).
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Pseudonocardia sediminis sp. nov., isolated from marine sediment
A Gram-stain-positive, aerobic actinomycete, designated strain YIM M13141T, was isolated from a marine sediment sample from the South China Sea, and its taxonomic position was determined using a polyphasic approach. The strain produced branched substrate mycelium and aerial hyphae, but no diffusible pigments were produced on the media tested. At maturity, substrate mycelium was fragmented and spore chains were formed on aerial hyphae and substrate mycelium. Optimum growth occurred at 28 °C, 1–3 % (w/v) NaCl and pH 7.0. Comparative analysis of the 16S rRNA gene sequence showed that the isolate belongs to the genus Pseudonocardia , showing highest levels of similarity with respect to Pseudonocardia sichuanensis KLBMP 1115T (97.1 %), Pseudonocardia tetrahydrofuranoxydans K1T (97.1 %) and Pseudonocardia kunmingensis YIM 63158T (97.0 %). Whole-organism hydrolysates of the strain contained meso-diaminopimelic acid and the sugars galactose, glucose, mannose and arabinose. The predominant menaquinone was MK-8(H4). The polar lipids detected were diphosphatidylglycerol, phosphatidylcholine, phosphatidylinositol, phosphatidylmethylethanolamine, phosphatidylethanolamine, two unknown phosphoglycolipids and two glycolipids. The major fatty acid was iso-C16 : 0. The G+C content of the genomic DNA was 73.1 mol%. DNA–DNA relatedness with P. tetrahydrofuranoxydans DSM 44239T was 42.8±3.5 % (mean±sd). Based on phylogenetic analysis, phenotypic and genotypic data, it is concluded that the isolate represents a novel species of the genus Pseudonocardia , for which the name Pseudonocardia sediminis sp. nov. is proposed. The type strain is YIM M13141T ( = DSM 45779T = JCM 18540T).
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Nocardia kroppenstedtii sp. nov., an actinomycete isolated from a lung transplant patient with a pulmonary infection
A novel actinomycete, strain N1286T, isolated from a lung transplant patient with a pulmonary infection, was provisionally assigned to the genus Nocardia . The strain had chemotaxonomic and morphological properties typical of members of the genus Nocardia and formed a distinct phyletic line in the Nocardia 16S rRNA gene tree. Isolate N1286T was most closely related to Nocardia farcinica DSM 43665T (99.8 % gene sequence similarity) but could be distinguished from the latter by the low level of DNA–DNA relatedness. These strains were also distinguishable on the basis of a broad range of phenotypic properties. It is concluded that strain N1286T represents a novel species of the genus Nocardia for which the name Nocardia kroppenstedtii sp. nov. is proposed. The type strain is N1286T ( = DSM 45810T = NCTC 13617T).
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Rhodococcus defluvii sp. nov., isolated from wastewater of a bioreactor and formal proposal to reclassify [Corynebacterium hoagii] and Rhodococcus equi as Rhodococcus hoagii comb. nov.
More LessA Gram-stain-positive, non-endospore-forming rod-shaped bacterium, strain Ca11T, was isolated from a bioreactor with extensive phosphorus removal and was studied in detail for its taxonomic allocation. 16S rRNA gene sequence analysis revealed closest sequence similarity of the strain to type strains of [ Corynebacterium hoagii ] and Rhodococcus equi (98.9 %), Rhodococcus koreensis and Rhodococcus wratislaviensis (both 98.4 %), Rhodococcus opacus and Rhodococcus canchipurensis (both 98.0 %) followed by Rhodococcus kunmingensis and Rhodococcus imtechensis (97.7 %). Phylogenetic trees showed a distinct clustering of strain Ca11T with the type strains of [ C. hoagii ], R. equi , and R. kunmingensis separate to all other species of the genus Rhodococcus . The quinone system of strain Ca11T was composed of dihydrogenated menaquinones with 8 (major amount) as well as 7 and 6 isoprenoid units [MK-8(H2), MK-7(H2), MK-6(H2)]. The polar lipid profile consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol, phosphatidylinositol mannoside, one unknown phospholipid and an unidentified glycolipid. The fatty acid profile was similar to that reported for R. equi and contained major amounts of C16 : 0, C18 : 1ω9c and 10-methyl C18 : 0, supporting the allocation of the strain to the genus Rhodococcus . Physiological and biochemical characterization and DNA–DNA hybridization with type strains of the most closely related species allowed clear phenotypic and genotypic differentiation of the isolate. On the basis of these results, strain Ca11T ( = DSM 45893T = LMG 27563T) represents a novel species of the genus Rhodococcus , with the proposed name Rhodococcus defluvii sp. nov. In addition, a polyphasic taxonomic analysis of [ Corynebacterium hoagii ] DSM 20295T and Rhodococcus equi DSM 20307T indicated that the two strains belong to the same species, for which the name Rhodococcus hoagii comb. nov. takes priority, according to the Rules of the Bacteriological Code.
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Streptomyces hoynatensis sp. nov., isolated from deep marine sediment
More LessA novel actinobacterium, strain S1412T, was isolated from a deep sediment sample, collected from the southern Black Sea coast of Turkey, and was examined using a polyphasic approach. The organism had chemical and morphological features typical of the genus Streptomyces . The cell wall of the novel strain contained ll-diaminopimelic acid. Whole-cell hydrolysates contained galactose, glucose and traces of xylose. The polar lipid profile of S1412T consisted of the predominant compound diphosphatidylglycerol, moderate amounts of phosphatidylethanolamine and phosphatidylinositol, and minor amounts of phosphatidylglycerol. Strain S1412T exhibited an unusual quinone system, with the predominant compounds MK-10(H8), MK-9(H8) and MK-10(H6) and small amounts of MK-9(H6) and MK-10(H4). Major fatty acids were iso-C16 : 0, iso-C16 : 1 H and anteiso-C17 : 0. The 16S rRNA gene sequence similarities for strain S1412T with respect to the most closely related type strains of species of the genus Streptomyces were less than 97.0 %. Phenotypic data clearly distinguished the isolate from its closest relatives, Streptomyces specialis GW 41-1564T, Streptomyces mayteni YIM 60475T, Streptomyces hainanensis YIM 47672T, Streptomyces avicenniae MCCC1A01535T and Streptomyces sedi YIM 65188T. Based on chemotaxonomic, phenotypic and genotypic characteristics, strain S1412T is considered to represent a novel species of the genus Streptomyces , for which the name Streptomyces hoynatensis sp. nov. is proposed. The type strain is S1412T ( = KCTC 29097T = DSM 42069T).
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Streptomyces karpasiensis sp. nov., isolated from soil
More LessA novel actinobacteria, designated strain K413T, was isolated from soil collected from Karpaz National Park, Magusa, Northern Cyprus, and characterized to determine its taxonomic position. The isolate was found to have chemical and morphological properties associated with members of the genus Streptomyces . Phylogenetic analyses based on almost-complete 16S rRNA gene sequences indicated that the isolate was closely related to members of the genus Streptomyces , and was shown to form a distinct phyletic line in the Streptomyces phylogenetic tree. Strain K413T was most closely related to Streptomyces marinus DSM 41968T (98.01 %). Sequence similarities with other strains of the genus Streptomyces were below 98.0 %. The cell wall of the novel strain contained ll-diaminopimelic acid. The predominant menaquinone was MK-9(H8) (45.0 %). The polar lipids detected were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylmonomethylethanolamine and phosphatidylinositol. The major fatty acids were anteiso-C15 : 0, iso-C16 : 0 and anteiso-C17 : 0. Based on 16S rRNA gene sequence analysis, DNA–DNA relatedness, phenotypic characteristics and chemotaxonomic data, strain K413T represents a novel species of the genus Streptomyces , for which the name Streptomyces karpasiensis sp. nov. is proposed. The type strain is K413T ( = KCTC 29096T = DSM 42068T).
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Agromyces iriomotensis sp. nov. and Agromyces subtropicus sp. nov., isolated from soil
Three novel Gram-stain-positive bacteria, designated IY07-20T, IY07-56T and IY07-113, were isolated from soil samples from Iriomote Island, Okinawa, Japan, and their taxonomic positions were investigated by a polyphasic approach. Phylogenetic analysis based on 16S rRNA gene sequence comparisons showed that the three isolates were closely related to the members of the genus Agromyces , with similarity range of 95.6–98.7 %. The isolates contained l-2,4-diaminobutylic acid, d-alanine, d-glutamic acid and glycine in their peptidoglycans. The predominant menaquinone was MK-12 and the major fatty acids were anteiso-C15 : 0 and anteiso-C17 : 0. The DNA G+C contents were 70.9–72.9 mol%. The chemotaxonomic characteristics of the isolates matched those described for members of the genus Agromyces . The results of phylogenetic analysis and DNA–DNA hybridization, along with differences in phenotypic characteristics between strains IY07-20T, IY07-56T and IY07-113 and the species of the genus Agromyces with validly published names, indicate that the three isolates merit classification as representatives of two novel species of the genus Agromyces , for which the names Agromyces iriomotensis sp. nov. and Agromyces subtropica sp. nov. are proposed; the type strains are IY07-20T ( = NBRC 106452T = DSM 26155T) and IY07-56T ( = NBRC 106454T = DSM 26153T), respectively.
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Solirubrobacter phytolaccae sp. nov., an endophytic bacterium isolated from roots of Phytolacca acinosa Roxb.
More LessA Gram-staining-positive, strictly aerobic, rod-shaped, non-motile, non-spore-forming bacterial strain, designated GTGR-8T, which formed white colonies, was isolated from roots of Phytolacca acinosa Roxb. collected from Taibai Mountain in Shaanxi Province, north-west China. Strain GTGR-8T grew optimally at 28–30 °C, at pH 7.0–8.0 and in the absence of NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain GTGR-8T was a member of the genus Solirubrobacter and was closely related to Solirubrobacter pauli B33D1T (98.9 % similarity), Solirubrobacter ginsenosidimutans BXN5-15T (97.0 %) and Solirubrobacter soli Gsoil 355T (96.9 %). No other recognized bacterial species showed more than 94.2 % 16S rRNA gene sequence similarity to the novel isolate. The only respiratory quinone of strain GTGR-8T was MK-7(H4) and the major fatty acids (>5 %) were iso-C16 : 0, C18 : 1ω9c, C17 : 1ω8c, C18 : 3ω6c (6,9,12) and C17 : 1ω6c. The DNA G+C content was 71.0 mol%. DNA–DNA relatedness for strain GTGR-8T with respect to its closest relatives, S. pauli KCTC 9974T and S. ginsenosidimutans KCTC 19420T, was 52.5 and 24.5 %, respectively. Based on phenotypic, phylogenetic and genotypic data, strain GTGR-8T is considered to represent a novel species in the genus Solirubrobacter , for which the name Solirubrobacter phytolaccae sp. nov. is proposed. The type strain is GTGR-8T ( = CCTCC AB 2013011T = KCTC 29190T).
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Kocuria indica sp. nov., isolated from a sediment sample
More LessAn actinobacterial strain was isolated from a sediment sample from Chorao Island, in Goa province, India, and subjected to a taxonomic investigation. The isolate, designated NIO-1021T, was a Gram-stain positive, aerobic, non-motile and coccoid. Strain NIO-1021T was identified as a member of the genus Kocuria by a polyphasic approach. Strain NIO-1021T could be differentiated from other members of the genus Kocuria on the basis of physiology and 16S rRNA gene sequence analysis. The 16S rRNA gene sequence similarity of strain NIO-1021T to the most closely related species, Kocuria marina KCTC 9943T, was 98.6 % with 19 nt differences). Furthermore, DNA–DNA hybridization analysis revealed that the novel strain had lower relatedness with the type strains of other members of the genus Kocuria . The strain formed a monophyletic clade with K. marina with 100 % bootstrap values. The major phospholipids were phosphatidylglycerol, diphosphatidylglycerol and two unidentified lipids. The predominant menaquinone was MK-7(H2). The major fatty acids were anteiso-C15 : 0, iso-C16 : 0 and anteiso-C17 : 0. The DNA G+C content of strain NIO-1021T was 60.5 mol%. Chemotaxonomic and phylogenetic properties of the strain were consistent with its classification as representing a member of the genus Kocuria . On the basis of phenotypic, chemotypic and molecular characteristics, strain NIO-1021T is considered to represent a novel species of the genus Kocuria , for which the name Kocuria indica sp. nov. is proposed, with strain NIO-1021T ( = NCIM 5455T = DSM 25126T = CCTCC AA 209050T) as the type strain.
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Taxonomic evaluation of Streptomyces albus and related species using multilocus sequence analysis and proposals to emend the description of Streptomyces albus and describe Streptomyces pathocidini sp. nov.
More LessIn phylogenetic analyses of the genus Streptomyces using 16S rRNA gene sequences, Streptomyces albus subsp . albus NRRL B-1811T forms a cluster with five other species having identical or nearly identical 16S rRNA gene sequences. Moreover, the morphological and physiological characteristics of these other species, including Streptomyces almquistii NRRL B-1685T, Streptomyces flocculus NRRL B-2465T, Streptomyces gibsonii NRRL B-1335T and Streptomyces rangoonensis NRRL B-12378T are quite similar. This cluster is of particular taxonomic interest because Streptomyces albus is the type species of the genus Streptomyces . The related strains were subjected to multilocus sequence analysis (MLSA) utilizing partial sequences of the housekeeping genes atpD, gyrB, recA, rpoB and trpB and confirmation of previously reported phenotypic characteristics. The five strains formed a coherent cluster supported by a 100 % bootstrap value in phylogenetic trees generated from sequence alignments prepared by concatenating the sequences of the housekeeping genes, and identical tree topology was observed using various different tree-making algorithms. Moreover, all but one strain, S. flocculus NRRL B-2465T, exhibited identical sequences for all of the five housekeeping gene loci sequenced, but NRRL B-2465T still exhibited an MLSA evolutionary distance of 0.005 from the other strains, a value that is lower than the 0.007 MLSA evolutionary distance threshold proposed for species-level relatedness. These data support a proposal to reclassify S. almquistii , S. flocculus , S. gibsonii and S. rangoonensis as later heterotypic synonyms of S. albus with NRRL B-1811T as the type strain. The MLSA sequence database also demonstrated utility for quickly and conclusively confirming that numerous strains within the ARS Culture Collection had been previously misidentified as subspecies of S. albus and that Streptomyces albus subsp. patho cidicus should be redescribed as a novel species, Streptomyces pathocidini sp. nov., with the type strain NRRL B-24287T.
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Mariniluteicoccus flavus gen. nov., sp. nov., a new member of the family Propionibacteriaceae, isolated from a deep-sea sediment
A Gram-staining-positive, aerobic, non-motile, irregular coccus, designated strain YIM M13146T, was isolated from a sediment sample collected from the South China Sea at a depth of 2439 m, and its taxonomic position was determined by a polyphasic approach. Optimal growth of the strain was observed at 30 °C (range 5–40 °C), pH 7.0 (pH 6.0–9.0) and 0–1 % NaCl (0–6 %, w/v) on/in tryptic soy agar/broth. Strain YIM M13146T had the major cellular fatty acid anteiso-C15 : 0, the predominant respiratory menaquinone MK-9(H4), peptidoglycan type A3γ (ll-DAP–Gly) containing alanine, glycine, glutamic acid and ll-diaminopimelic acid (ll-DAP) and the polar lipids phosphatidylcholine, diphosphatidylglycerol, one unknown phospholipid and several glycolipids. The G+C content of the DNA was 67.2 mol%. Phenotypic and chemotaxonomic characteristics together with 16S rRNA gene sequence analyses showed that strain YIM M13146T was distinct from its close phylogenetic relatives in the genera Propioniferax and Granulicoccus of the family Propionibacteriaceae . Hence, a new genus and species, Mariniluteicoccus flavus gen. nov., sp. nov., is proposed. The type strain of Mariniluteicoccus flavus is YIM M13146T ( = DSM 25892T = CCTCC AB 2012055T).
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- Firmicutes and Related Organisms
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Hungatella effluvii gen. nov., sp. nov., an obligately anaerobic bacterium isolated from an effluent treatment plant, and reclassification of Clostridium hathewayi as Hungatella hathewayi gen. nov., comb. nov.
More LessA Gram-stain-positive, rod-shaped, spore-forming and strictly anaerobic bacterium, designated UB-B.2T, was isolated from an industrial effluent anaerobic digester sample. It grew optimally at 30 °C and pH 7.0. Comparative analysis of the 16S rRNA gene sequence confirmed that strain UB-B.2T was closely related to Clostridium hathewayi DSM 13479T (97.84 % similarity), a member of rRNA gene cluster XIVa of the genus Clostridium , and formed a coherent cluster with other related members of the Blautia ( Clostridium ) coccoides rRNA group in phylogenetic analyses. The end products of glucose fermentation by strain UB-B.2T were acetate and propionate. The G+C content of the DNA was 51.4 mol%. Although strain UB-B.2T showed 97.8 % 16S rRNA gene sequence identity to the type strain of C. hathewayi , it exhibited only 38.4 % relatedness at the whole-genome level. It also showed differences from its closest phylogenetic relative, C. hathewayi DSM 13479T, in phenotypic characteristics such as hydrolysis of aesculin, starch and urea and fermentation end products. Both strains showed phenotypic differences from the members of rRNA gene cluster XIVa of the genus Clostridium . Based on these differences, C. hathewayi DSM 13479T and strain UB-B.2T were identified as representatives of a new genus of the family Clostridiaceae . Thus, we propose the reclassification of Clostridium hathewayi as Hungatella hathewayi gen. nov., comb. nov., the type species of the new genus (type strain DSM 13479T = CCUG 43506T = MTCC 10951T). Strain UB-B.2T ( = MTCC 11101T = DSM 24995T) is assigned to the novel species Hungatella effluvii gen. nov., sp. nov as the type strain.
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Vagococcus entomophilus sp. nov., from the digestive tract of a wasp (Vespula vulgaris)
Three unknown Gram-stain-positive, catalase-negative, facultatively anaerobic and coccus-shaped strains of bacteria were isolated from the digestive tracts of wasps (Vespula vulgaris). Analysis of 16S rRNA gene sequences revealed that these strains had identical sequences and showed that Vagococcus salmoninarum , with 96.2 % sequence similarity, was the closest phylogenetic neighbour. Further analyses based on hsp60 and pheS gene sequences of representatives of the family Enteroccocaceae and genotypic and phenotypic characterization using (GTG)5-PCR fingerprintings, EcoRI ribotyping, DNA G+C content, whole-cell protein profiling, cellular fatty acid profiles analysis and extensive biotyping confirmed that the investigated strains were representatives of a novel bacterial species within the genus Vagoccocus for which the name Vagoccocus entomophilus sp. nov. is proposed. The type strain is VOSTP2T ( = DSM 24756T = CCM 7946T).
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Anaerostipes rhamnosivorans sp. nov., a human intestinal, butyrate-forming bacterium
More LessA novel butyrate-producing bacterium, strain 1y-2T, was isolated from a stool sample of a 1-year-old, healthy Dutch infant. The isolate was obtained by using lactate and acetate as sources of carbon and energy. The strain was Gram-variable, strictly anaerobic and spore-forming and formed curly rod-shaped cells that fermented glucose into butyrate, lactate, formate and acetate as main products. The DNA G+C content of the strain was 44.5 mol% and its major cellular fatty acids were C12 : 0, iso-C19 : 1 I and C16 : 0. Strain 1y-2T was related to Anaerostipes caccae DSM 14662T based on 16S rRNA gene sequence analysis, with 3 % divergence, but hybridization studies of their genomic DNA revealed only 33 % relatedness. Moreover, strain 1y-2T showed marked physiological and biochemical differences from known species of the genus Anaerostipes . Based on phylogenetic, chemotypic and phenotypic criteria, we propose that strain 1y-2T should be classified in the genus Anaerostipes within a novel species, Anaerostipes rhamnosivorans sp. nov. The type strain is 1y-2T ( = DSM 26241T = KCTC 15316T).
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Paenibacillus selenitireducens sp. nov., a selenite-reducing bacterium isolated from a selenium mineral soil
More LessA Gram-stain-positive, rod-shaped, facultatively anaerobic bacterium, designated strain ES3-24T, was isolated from a selenium mineral soil. The isolate was endospore-forming, nitrate-reducing and motile by means of peritrichous flagella. The major menaquinone was menaquinone 7 (MK-7) and the predominant fatty acids (>5 %) were anteiso-C15 : 0, iso-C16 : 0, C16 : 0 and anteiso-C17 : 0. The major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine and two unknown aminophospholipids. Strain ES3-24T contained meso-diaminopimelic acid in the cell-wall peptidoglycan and the DNA G+C content was 49.6 mol%. According to phylogenetic analysis based on the 16S rRNA gene sequence, strain ES3-24T was most closely related to Paenibacillus terrigena A35T, with 16S rRNA gene sequence identity of 98.3 %, while the other members of the genus Paenibacillus had 16S rRNA gene sequence identities of less than 95.0 %. DNA–DNA relatedness between strain ES3-24T and P. terrigena CCTCC AB206026T was 39.3 %. In addition, strain ES3-24T showed obvious differences from closely related species in major polar lipids, nitrate reduction and other physiological and biochemical characteristics. The data from our polyphasic taxonomic study reveal that strain ES3-24T represents a novel species of the genus Paenibacillus , for which the name Paenibacillus selenitireducens sp. nov. is proposed. The type strain is ES3-24T ( = KCTC 33157T = CCTCC AB2013097T).
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Bacillus panacisoli sp. nov., isolated from ginseng soil
More LessA Gram-staining-positive, motile, facultatively anaerobic, endospore-forming and rod-shaped bacterium, designated strain CJ32T, was isolated from ginseng soil at Geumsan in Korea. The isolate grew optimally at 30 °C, 2 % (w/v) NaCl and pH 7.0. Colonies of strain CJ32T were beige and circular with an entire margin on LB agar plates. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain CJ32T was associated with the genus Bacillus and was most closely related to Bacillus graminis YC6957T (97.3 % similarity) and Bacillus lentus IAM 12466T (97.1 %). DNA–DNA hybridization with closely related strains was below 31.3 %. The major respiratory isoprenoid quinone was MK-7. The diagnostic diamino acid in the cell-wall peptidoglycan was meso-diaminopimelic acid. The polar lipid profile of strain CJ32T consisted of phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol and several unidentified lipids, including phospholipids, aminolipids and aminophospholipids. The predominant fatty acids of strain CJ32T were iso-C15 : 0 and anteiso-C15 : 0. The G+C content of the genomic DNA was 35.1 mol%. Based on phenotypic, genotypic and phylogenetic data, strain CJ32T should be classified within a novel species of the genus Bacillus , for which the name Bacillus panacisoli sp. nov. is proposed. The type strain is strain CJ32T ( = KACC 17503T = JCM 19226T).
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Volumes and issues
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Volume 74 (2024)
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Volume 73 (2023)
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Volume 72 (2022 - 2023)
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Volume 71 (2020 - 2021)
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Volume 70 (2020)
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Volume 69 (2019)
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Volume 68 (2018)
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Volume 67 (2017)
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Volume 66 (2016)
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Volume 65 (2015)
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Volume 64 (2014)
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Volume 63 (2013)
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Volume 62 (2012)
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Volume 61 (2011)
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Volume 60 (2010)
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Volume 59 (2009)
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Volume 58 (2008)
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Volume 57 (2007)
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Volume 56 (2006)
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Volume 55 (2005)
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Volume 54 (2004)
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Volume 53 (2003)
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Volume 52 (2002)
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Volume 51 (2001)
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Volume 50 (2000)
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Volume 49 (1999)
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Volume 48 (1998)
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Volume 47 (1997)
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Volume 46 (1996)
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Volume 45 (1995)
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Volume 44 (1994)
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Volume 43 (1993)
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Volume 42 (1992)
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Volume 41 (1991)
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Volume 40 (1990)
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Volume 39 (1989)
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Volume 38 (1988)
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Volume 37 (1987)
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Volume 36 (1986)
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Volume 35 (1985)
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Volume 34 (1984)
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Volume 33 (1983)
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Volume 32 (1982)
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Volume 31 (1981)
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Volume 30 (1980)
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Volume 29 (1979)
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Volume 28 (1978)
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Volume 27 (1977)
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Volume 26 (1976)
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Volume 25 (1975)
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Volume 24 (1974)
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Volume 23 (1973)
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Volume 22 (1972)
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Volume 21 (1971)
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Volume 20 (1970)
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Volume 19 (1969)
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Volume 18 (1968)
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Volume 17 (1967)
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Volume 16 (1966)
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Volume 15 (1965)
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Volume 14 (1964)
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Volume 13 (1963)
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Volume 12 (1962)
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Volume 11 (1961)
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Volume 10 (1960)
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Volume 9 (1959)
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Volume 8 (1958)
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Volume 7 (1957)
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Volume 6 (1956)
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Volume 5 (1955)
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Volume 4 (1954)
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Volume 3 (1953)
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Volume 2 (1952)
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Volume 1 (1951)