- Volume 61, Issue 7, 2011
Volume 61, Issue 7, 2011
- Validation List
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List of new names and new combinations previously effectively, but not validly, published
The 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 three copies of the pertinent reprint or photocopies thereof, or an electronic copy of the published paper, to the IJSEM Editorial Office 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, and these authors’ names will be included in the author index of the present issue. Inclusion of a name on these lists validates the publication of the name and thereby makes it available in bacteriological nomenclature. 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 and new combinations have appeared in volume 61, part 4, of the IJSEM
This listing of names 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). Taxonomic opinions included in this List (i.e. the creation of synonyms or the emendation of circumscriptions) cannot be considered as validly published nor, in any other way, approved by the International Committee on Systematics of Prokaryotes and its Judicial Commission.
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- Request For Opinion
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The status of the species Beijerinckia fluminensis Döbereiner and Ruschel 1958. Request for an Opinion
More LessIn a previous article [Oggerin M., Arahal, D. R., Rubio, V. & Marin, I. (2009). Int J Syst Evol Microbiol 59, 2323–2328], it has been shown that strain Beijerinckia fluminensis UQM 1685T and its derived equivalent B. fluminensis CIP 106281T do not conform to the description of the type strain of Beijerinckia fluminensis Döbereiner and Ruschel 1958. Indeed, both strains were identified as members of the species Rhizobium radiobacter and exhibited marked phenotypic and genotypic differences with members of the genus Beijerinckia. It was concluded that both strains, and any other equivalents derived from them, do not descend from the nomenclatural type. Since then, our attempts to find older deposits of the type strain, hopefully derived from the original isolate, or other existing strains of Beijerinckia fluminensis that could be proposed as a neotype strain, have been in vain. It is therefore proposed that the Judicial Commission should place the name Beijerinckia fluminensis Döbereiner and Ruschel 1958 on the list of rejected names if a suitable replacement type strain or a neotype cannot be found within two years following the publication of this Request (Rule 18c).
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- List Of Changes In Taxonomic Opinion
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Notification of changes in taxonomic opinion previously published outside the IJSEM
The Bacteriological Code deals with the nomenclature of prokaryotes. This may include existing names (the Approved Lists of Bacterial Names) as well as new names and new combinations. In this sense the Code is also dealing indirectly with taxonomic opinions. However, as with most codes of nomenclature there are no mechanisms for formally recording taxonomic opinions that do not involve the creation of new names or new combinations. In particular, it would be desirable for taxonomic opinions resulting from the creation of synonyms or emended descriptions to be made widely available to the public. In 2004, the Editorial Board of the International Journal of Systematic and Evolutionary Microbiology (IJSEM) agreed unanimously that it was desirable to cover such changes in taxonomic opinions (i.e. the creation of synonyms or the emendation of circumscriptions) previously published outside the IJSEM, and to introduce a List of Changes in Taxonomic Opinion [Notification of changes in taxonomic opinion previously published outside the IJSEM; Euzéby et al. (2004). Int J Syst Evol Microbiol 54, 1429–1430]. Scientists wishing to have changes in taxonomic opinion included in future lists should send one copy of the pertinent reprint or a photocopy or a PDF file thereof to the IJSEM Editorial Office or to the Lists Editor. It must be stressed that the date of proposed taxonomic changes is the date of the original publication not the date of publication of the list. Taxonomic opinions included in the List of Changes in Taxonomic Opinion cannot be considered as validly published nor, in any other way, approved by the International Committee on Systematics of Prokaryotes and its Judicial Commission. The names that are to be used are those that are the ‘correct names’ (in the sense of Principle 6) in the opinion of the bacteriologist, with a given circumscription, position and rank. A particular name, circumscription, position and rank does not have to be adopted in all circumstances. Consequently, the List of Changes in Taxonomic Opinion must be considered as a service to bacteriology and it has no ‘official character’, other than providing a centralized point for registering/indexing such changes in a way that makes them easily accessible to the scientific community.
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- New Taxa
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- Actinobacteria
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Streptomyces sparsus sp. nov., isolated from a saline and alkaline soil
More LessA salt- and alkali-tolerant actinomycete strain, YIM 90018T, was isolated from a saline and alkaline soil sample collected from Qinghai, China. Aerial hyphae of strain YIM 90018T were only produced on YIM 82 agar. Vegetative hyphae were well developed and did not fragment. Straight or flexuous (rectiflexibiles) spore chains were produced. The isolate grew well with 25 % (w/v) MgCl2 . 6H2O and at pH 10. All of these characters indicated that strain YIM 90018T belonged to the genus Streptomyces. On the basis of phylogenetic analysis of the 16S rRNA gene sequence, DNA–DNA hybridization and phenotypic characteristics, strain YIM 90018T could be differentiated from all recognized species of the genus Streptomyces. A novel species, Streptomyces sparsus sp. nov., is proposed, with strain YIM 90018T ( = CCTCC AA204019T = DSM 41858T) as the type strain.
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Mycobacterium europaeum sp. nov., a scotochromogenic species related to the Mycobacterium simiae complex
Four strains isolated in the last 15 years were revealed to be identical in their 16S rRNA gene sequences to MCRO19, the sequence of which was deposited in GenBank in 1995. In a polyphasic analysis including phenotypic and genotypic features, the five strains (including MCRO19), which had been isolated in four European countries, turned out to represent a unique taxonomic entity. They are scotochromogenic slow growers and are genetically related to the group that included Mycobacterium simiae and 15 other species. The novel species Mycobacterium europaeum sp. nov. is proposed to accommodate these five strains. Strain FI-95228T ( = DSM 45397T = CCUG 58464T) was chosen as the type strain. In addition, a thorough revision of the phenotypic and genotypic characters of the species related to M. simiae was conducted which leads us to suggest the denomination of the ‘Mycobacterium simiae complex’ for this group.
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Marmoricola korecus sp. nov.
More LessA novel actinomycete, designated strain Sco-A36T, was isolated from volcanic ash. Cells were aerobic, Gram-stain-positive, oxidase-negative, catalase-positive, non-motile cocci; colonies were yellow-coloured, smooth, entire and convex. Phylogenetic analysis showed that the organism formed a distinct phyletic line within the radiation of the genus Marmoricola. Its closest phylogenetic neighbours were Marmoricola aurantiacus DSM 12652T (97.9 % 16S rRNA gene sequence similarity), Marmoricola scoriae Sco-D01T (97.9 %), Marmoricola aequoreus SST-45T (97.4 %) and Marmoricola bigeumensis MSL-05T (96.3 %). The diagnostic diamino acid in the cell walls was ll-diaminopimelic acid. The predominant menaquinone was MK-8(H4). The polar lipids contained phosphatidylinositol, diphosphatidylglycerol, phosphatidylglycerol, phosphatidylcholine and an unknown phospholipid. The predominant fatty acids were C16 : 0, C17 : 1ω8c, C18 : 1ω9c and C16 : 1ω7c and/or iso-C15 : 0 2-OH. The DNA G+C content of strain Sco-A36T was 71.0 mol%. Levels of DNA–DNA relatedness between the new isolate and the type strains of recognized species of the genus Marmoricola were 4.9–29.2 %. The phenotypic and DNA–DNA hybridization data presented here strongly suggest that strain Sco-A36T represents a novel species of the genus Marmoricola, for which the name Marmoricola korecus sp. nov. is proposed. The type strain is Sco-A36T ( = KCTC 19596T = DSM 22128T).
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Streptomyces sanyensis sp. nov., isolated from mangrove sediment
A novel strain, 219820T, whose metabolites were found to be active against tumour cells, was isolated and characterized. The isolate belonged to the genus Streptomyces and had white to grey aerial mycelium and long chains of smooth spores in the aerial mycelium. A phylogenetic tree based on 16S rRNA gene sequences showed that strain 219820T had highest similarity to members of the genus Streptomyces and was most closely, albeit loosely, associated with Streptomyces crystallinus NBRC 15401T (98.624 % similarity), Streptomyces melanogenes NBRC 12890T (98.565 %) and Streptomyces noboritoensis NBRC 13065T (98.564 %). However, DNA–DNA relatedness and phenotypic data readily distinguished strain 219820T from these phylogenetically related type strains. It is evident from the combination of genotypic and phenotypic data that strain 219820T represents a novel species of the genus Streptomyces, for which the name Streptomyces sanyensis sp. nov. is proposed; the type strain is 219820T ( = CGMCC 4.5626T = DSM 42014T).
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Cellulomonas phragmiteti sp. nov., a cellulolytic bacterium isolated from reed (Phragmites australis) periphyton in a shallow soda pond
An alkalitolerant and moderately halophilic strain, designated KB23T, characterized by optimal growth at pH 8.0–9.0 and in the presence of 5–7 % (w/v) NaCl, was isolated from a reed (Phragmites australis) periphyton sample originating from an extremely shallow, alkaline soda pond located in Hungary. Cells of strain KB23T were Gram-stain-positive, motile straight rods. Strain KB23T was facultatively anaerobic, catalase-positive, oxidase-negative and contained peptidoglycan type A4β (l-Orn–d-Asp). MK-9(H4) was the predominant isoprenoid quinone and anteiso-C15 : 0, C16 : 0 and anteiso-C15 : 1 were the major cellular fatty acids. The DNA G+C content of strain KB23T was 74.8 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that this strain belongs to the genus Cellulomonas and that it is related most closely to Cellulomonas flavigena DSM 20109T (97.35 % similarity), Cellulomonas terrae DB5T (96.81 %), Cellulomonas iranensis OT (96.75), Cellulomonas chitinilytica X.bu-bT (96.60 %), Cellulomonas persica IT (96.53 %), Cellulomonas composti TR7-06T (96.45 %), Cellulomonas biazotea DSM 20112T (96.34 %) and Cellulomonas fimi DSM 20113T (96.20 %). According to these results, together with DNA–DNA hybridization and physiological data, strain KB23T is considered to represent a novel species of the genus Cellulomonas, for which the name Cellulomonas phragmiteti sp. nov. is proposed. The type strain is KB23T ( = DSM 22512T = NCAIM B002303T).
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Isoptericola chiayiensis sp. nov., isolated from mangrove soil
More LessA novel actinomycete, designated strain 06182M-1T, was isolated from a mangrove soil sample collected from Chiayi County in Taiwan. Phylogenetic analysis based on 16S rRNA gene sequences revealed levels of similarity of 97.0–98.8 % to the type strains of recognized species of the genus Isoptericola. Chemotaxonomic data also supported the placement of strain 06182M-1T within the genus Isoptericola. However, the low levels of DNA–DNA relatedness between the novel strain and the type strains of recognized species of the genus Isoptericola, in combination with differential phenotypic data, demonstrate that strain 06182M-1T represents a novel species of the genus Isoptericola, for which the name Isoptericola chiayiensis sp. nov. is proposed. The type strain is 06182M-1T ( = BCRC 16888T = KCTC 19740T).
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Zhihengliuella aestuarii sp. nov., isolated from tidal flat sediment
A Gram-stain-positive, ovoid to short rod-shaped, yellow-pigmented bacterium, designated strain DY66T, was isolated from tidal-flat sediment collected from Deukryang Bay (Republic of Korea), and its taxonomic position was investigated by using a polyphasic approach. Strain DY66T grew optimally at 30 °C and pH 8–9 and in 2 % (w/v) NaCl. The peptidoglycan type was A4α, l-Lys–l-Ala–d-Glu, and tyvelose and glucose were the major cell-wall sugars. The predominant menaquinones were MK-10 and MK-9. Major cellular fatty acids (>10 % of total) were anteiso-C15 : 0 and iso-C15 : 0. The polar lipids were diphosphatidylglycerol, phosphatidylcholine, phosphatidylglycerol, an unknown aminophospholipid and three unknown aminolipids. The DNA G+C content was 59.1 mol%. This chemotaxonomic profile supported the assignment of strain DY66T to the genus Zhihengliuella. Phylogenetic analysis based on 16S rRNA gene sequences also indicated that strain DY66T belonged to the family Micrococcaceae and was related to the genus Zhihengliuella. On the basis of the evidence presented in this study, strain DY66T represents a novel species of the genus Zhihengliuella, for which the name Zhihengliuella aestuarii sp. nov. is proposed. The type strain is strain DY66T ( = KCTC 19557T = JCM 16364T).
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Actinopolyspora alba sp. nov. and Actinopolyspora erythraea sp. nov., isolated from a salt field, and reclassification of Actinopolyspora iraqiensis Ruan et al. 1994 as a heterotypic synonym of Saccharomonospora halophila
Three actinomycetal strains, designated YIM 90479, YIM 90480T and YIM 90600T, were isolated from a salt field in Xinjiang province, North-west China and subjected to polyphasic taxonomic study. All three strains were moderately halophilic and were able to grow on agar at NaCl concentrations of up to 20–25 % (w/v). No growth was observed in the absence of NaCl. Good growth occurred at 37 °C and 15 % (w/v) NaCl. The cell walls of the three strains were of the type IV variety and their phospholipid patterns were type PIII. MK-9 (H4) and MK-10 (H4) or MK-9 (H4) and MK-9 (H2) were the predominant menaquinones. iso-C16 : 0 and anteiso-C17 : 0 or anteiso-C15 : 0 and anteiso-C17 : 0 were the major fatty acids. The G+C contents of the genomic DNA were 66.4–68.3 mol%. Based on differential phenotypic, chemotaxonomic and phylogenetic characteristics and the results of DNA–DNA hybridization tests, the three novel stains represent two novel species, for which the names Actinopolyspora alba sp. nov. and Actinopolyspora erythraea sp. nov. are proposed. The type strains of the species are YIM 90480T ( = DSM 45004T = KCTC 19119T) and YIM 90600T ( = CCTCC M 208247T = KCTC 19372T). In addition, we propose that Actinopolyspora iraqiensis (Ruan et al., 1994) be transferred to the genus Saccharomonospora as a heterotypic synonym of Saccharomonospora halophila based on present research results.
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Agromyces flavus sp. nov., an actinomycete isolated from soil
A Gram-positive, non-motile strain, designated CPCC 202695T, was isolated from a soil sample collected from the Qinghai–Tibet plateau, north-west China. Strain CPCC 202695T contained rhamnose, glucose and galactose in the cell wall as diagnostic sugars and 2,4-diaminobutyric acid, alanine, glutamic acid and glycine in the peptidoglycan. The polar lipids consisted of diphosphatidylglycerol, phosphatidylglycerol and two unknown glycolipids. MK-12 was the predominant menaquinone and anteiso-C15 : 0 (34.2 %), iso-C15 : 0 (19.8 %), iso-C16 : 0 (12.7 %) and anteiso-C17 : 0 (11.1 %) were the major fatty acids. 16S rRNA gene sequence similarities (94.2–97.1 %) between the isolate and the type strains of recognized species of the genus Agromyces indicated that strain CPCC 202695T was a member of the genus Agromyces. DNA–DNA relatedness clearly separated strain CPCC 202695T from its closest relatives. The phenotypic and genotypic data demonstrated that strain CPCC 202695T represents a novel species of the genus Agromyces, for which the name Agromyces flavus sp. nov. is proposed. The type strain is CPCC 202695T ( = KCTC 19578T = CCM 7623T).
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Modestobacter marinus sp. nov., a psychrotolerant actinobacterium from deep-sea sediment, and emended description of the genus Modestobacter
Jing Xiao, Yingxue Luo, Jing Xu, Shujie Xie and Jun XuThe taxonomic status of an actinobacterium that changed colour during growth, strain 42H12-1T, isolated from deep-sea sediment collected from the Atlantic Ocean, was established using a combination of genotypic and phenotypic data. Strain 42H12-1T formed a distinct branch in the 16S rRNA gene phylogenetic tree together with the type strains in the genus Modestobacter. The highest sequence similarity by blast analysis was to Modestobacter versicolor CP153-2T (98.5 %) and the second-highest sequence similarity was to Modestobacter multiseptatus AA-826T (97.5 %). DNA–DNA relatedness of only 12 % (sd 1.82 %) between strain 42H12-1T and M. versicolor DSM 16678T differentiated them as members of separate genomic species. Colonies of strain 42H12-1T were black on oligotrophic medium, but orange to red, turning black, on copiotrophic medium. The peptidoglycan contained meso-diaminopimelic acid. The polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylinositol and an unknown aminophospholipid. The predominant menaquinone was MK-9(H4). The major fatty acids were iso-C16 : 0 and C17 : 1ω8c. The DNA G+C content was 72.3±1 mol%. Strain 42H12-1T ( = DSM 45201T = CGMCC 4.5581T) is assigned as the type strain of a novel species of the genus Modestobacter, for which the name Modestobacter marinus sp. nov. is proposed.
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- Archaea
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Halolamina pelagica gen. nov., sp. nov., a new member of the family Halobacteriaceae
More LessTwo extremely halophilic archaeal strains, TBN21T and TBN49, were isolated from the Taibei marine solar saltern near Lianyungang city, Jiangsu province, China. Cells of the two strains were pleomorphic and Gram-negative and colonies were red. Strains TBN21T and TBN49 were able to grow at 25–50 °C (optimum 37 °C), at 1.4–5.1 M NaCl (optimum 3.4–3.9 M) and at pH 5.5–9.5 (optimum pH 7.0–7.5) and neither strain required Mg2+ for growth. Cells lysed in distilled water and the minimal NaCl concentration to prevent cell lysis was 8 % (w/v). The major polar lipids of the two strains were phosphatidic acid, phosphatidylglycerol, phosphatidylglycerol phosphate methyl ester, phosphatidylglycerol sulfate and eight glycolipids; three of these glycolipids (GL3, GL4 and GL5) were chromatographically identical to sulfated mannosyl glucosyl diether (S-DGD-1), galactosyl mannosyl glucosyl diether (TGD-1) and mannosyl glucosyl diether (DGD-1), respectively. Phylogenetic analysis revealed that strains TBN21T and TBN49 formed a distinct clade with their closest relative, Halobaculum gomorrense JCM 9908T (89.0–89.5 % 16S rRNA gene sequence similarity). The DNA G+C contents of strains TBN21T and TBN49 were 64.8 and 62.7 mol%, respectively. DNA–DNA hybridization between strains TBN21T and TBN49 was 90.1 %. The phenotypic, chemotaxonomic and phylogenetic properties suggest that strains TBN21T and TBN49 represent a novel species in a new genus within the family Halobacteriaceae, for which the name Halolamina pelagica gen. nov., sp. nov. is proposed. The type strain of Halolamina pelagica is TBN21T ( = CGMCC 1.10329T = JCM 16809T).
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- Bacteroidetes
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Mucilaginibacter myungsuensis sp. nov., isolated from a mesotrophic artificial lake
More LessA non-motile, pale-yellow bacterium, designated strain HMD1056T, was isolated from an artificial lake located within the campus of Hankuk University of Foreign Studies, Yongin, Korea. The major fatty acids were summed feature 3 (iso-C15 : 0 2-OH and/or C16 : 1ω7c; 49.1 %) and iso-C15 : 0 (22.4 %). The major respiratory quinone was MK-7. The DNA G+C content was 46.9 mol%. A phylogenetic tree based on 16S rRNA gene sequences showed that strain HMD1056T formed a lineage within the genus Mucilaginibacter and was closely related to the type strains of Mucilaginibacter ximonensis (95.4 % sequence similarity), Mucilaginibacter kameinonensis (94.5 %) and Mucilaginibacter paludis (93.4 %). On the basis of the evidence presented in this study, strain HMD1056T represents a novel species of the genus Mucilaginibacter, for which the name Mucilaginibacter myungsuensis sp. nov. is proposed. The type strain is HMD1056T ( = KCTC 22746T = CECT 7550T).
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Hymenobacter yonginensis sp. nov., isolated from a mesotrophic artificial lake
More LessA non-motile, red-pigmented bacterium, designated strain HMD1010T, was isolated from an artificial lake located within the campus of Hankuk University of Foreign Studies, Yongin, Korea. A phylogenetic tree based on 16S rRNA gene sequences showed that strain HMD1010T formed a lineage within the genus Hymenobacter and was closely related to the type strains of Hymenobacter rigui (96.7 % sequence similarity) and H. gelipurpurascens (95.6 %). The major fatty acids were C16 : 1ω5c (21.9 %), summed feature 3 (iso-C15 : 0 2-OH and/or C16 : 1ω7c; 17.2 %), iso-C15 : 0 (14.5 %) and summed feature 4 (anteiso-C17 : 1 B and/or iso-C17 : 1 I; 11.9 %). The DNA G+C content was 60.4 mol%. On the basis of the evidence presented in this study, strain HMD1010T represents a novel species of the genus Hymenobacter, for which the name Hymenobacter yonginensis sp. nov. was proposed. The type strain is HMD1010T ( = KCTC 22745T = CECT 7546T).
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Cesiribacter andamanensis gen. nov., sp. nov., isolated from a soil sample from a mud volcano
More LessA novel Gram-staining-negative, rod-shaped, non-motile bacterium, strain AMV16T, was isolated from a soil sample collected from a mud volcano located in the Andaman Islands, India. The cell suspension was pale orange. Cells of strain AMV16T were positive for catalase, oxidase, lipase, ornithine decarboxylase and lysine decarboxylase and negative for gelatinase and urease. The fatty acids present were anteiso-C11 : 0 (5.4 %), anteiso-C12 : 0 (4.1 %), C12 : 0 (7.0 %), iso-C15 : 0 (14.4 %), anteiso-C15 : 0 (3.4 %), anteiso-C16 : 0 (3.0 %), C16 : 0 (2.6 %), anteiso-C17 : 0 (3.7 %), iso-C19 : 0 (9.7 %), C13 : 1 (13.8 %), iso-C15 : 1 G (15.9 %), iso-C16 : 1 G (11.1 %) and summed feature 5 (anteiso-C18 : 0 and/or C18 : 2ω6,9c; 5.9 %). Strain AMV16T contained MK-4 as the major respiratory quinone and diphosphatidylglycerol and phosphatidylethanolamine made up the phospholipids. The G+C content of DNA of strain AMV16T was 50.9 mol%. blast sequence similarity searches based on the 16S rRNA gene sequence indicated that species of the genus Marivirga were the nearest phylogenetic neighbours, with pairwise sequence similarity ranging from 89.9 to 90.0 %. Phylogenetic analyses indicated that strain AMV16T clustered with the type strains of Marivirga tractuosa and Marivirga sericea at a phylogenetic distance of 14.6 % (85.4 % similarity), distinct from clades representing other genera of the family ‘Flammeovirgaceae’. Based on the above-mentioned phenotypic and phylogenetic characteristics, strain AMV16T is proposed as a representative of a new genus and novel species, Cesiribacter andamanensis gen. nov., sp. nov. The type strain of Cesiribacter andamanensis is AMV16T ( = DSM 22818T = CCUG 58431T).
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Winogradskyella lutea sp. nov., isolated from seawater, and emended description of the genus Winogradskyella
More LessA novel Gram-negative, orange-pigmented, rod-shaped, strictly aerobic, gliding, oxidase- and catalase-positive bacterial strain, A73T, was isolated from seawater collected off Jeju, South Korea. 16S rRNA gene sequence similarity between A73T and type strains of Winogradskyella species with validly published names ranged from 94.1 to 96.2 %. The dominant fatty acids of strain A73T were iso-C15 : 1 G (19.1 %), iso-C15 : 0 (13.3 %), iso-C17 : 0 3-OH (10.0 %) and iso-C15 : 0 3-OH (7.2 %). The DNA G+C content of strain A73T was 36.0 mol% and its major respiratory quinone was MK-6. On the basis of combined data from phenotypic and phylogenetic analyses, strain A73T represents a novel species of the genus Winogradskyella, for which the name Winogradskyella lutea sp. nov. is proposed. The type strain is A73T ( = KCTC 23237T = DSM 22624T). An emended description of the genus Winogradskyella is also provided.
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Mucilaginibacter boryungensis sp. nov., isolated from soil
More LessA Gram-stain-negative, non-motile, non-spore-forming bacterial strain, BDR-9T, was isolated from soil collected from Boryung on the west coast of the Korean peninsula, and its taxonomic position was investigated by using a polyphasic study. Strain BDR-9T grew optimally at 25 °C, at pH 6.0–7.5 and in the absence of NaCl. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain BDR-9T fell within the clade comprising species of the genus Mucilaginibacter within the phylum Bacteroidetes. 16S rRNA gene sequence similarity values between strain BDR-9T and the type strains of species of the genus Mucilaginibacter were in the range 94.0–95.6 %. Strain BDR-9T contained MK-7 as the predominant menaquinone and iso-C15 : 0 and C16 : 1ω7c and/or iso-C15 : 0 2-OH as the major fatty acids. The DNA G+C content was 44.3 mol%. Differential phenotypic properties and phylogenetic distinctiveness of strain BDR-9T demonstrated that this strain is distinguishable from species of the genus Mucilaginibacter. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain BDR-9T is considered to represent a novel species of the genus Mucilaginibacter, for which the name Mucilaginibacter boryungensis sp. nov. is proposed. The type strain is BDR-9T ( = KCTC 23157T = CCUG 59599T).
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Volumes and issues
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Volume 74 (2024)
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