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Li F, Gao H, Zhu P, Li Z, Zhao W, Song J, Yang S. Moraxella nasicaprae sp. nov., Isolated from a Goat with Respiratory Disease. Curr Microbiol 2023; 80:78. [PMID: 36651991 DOI: 10.1007/s00284-023-03185-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 01/05/2023] [Indexed: 01/19/2023]
Abstract
A novel Gram-stain-negative, aerobic, irregular coccus designated as ZY201224T, was isolated from the nasal cavity of a goat with respiratory disease in a goat farm, located at Jianshui, Yunnan Province, PR China and its taxonomic position was clarified using a polyphasic approach. The strain grew optimally at 37 °C, at pH 8.0 and in the presence of 1% NaCl. Phylogenetic analysis based on 16S rRNA gene sequence and phylogenomic analysis based on 808 single-copy genes revealed that the strain is affiliated to the genus Moraxella and is distinct from the recognized species of the genus. The 16S rRNA gene sequence similarity analysis indicated that the strain is most closely related to Moraxella caviae CCUG 355T with sequence similarity of 98.1%. The genomic OrthoANI and digital DNA-DNA hybridization (dDDH) values between the strain and the type strains of Moraxella species were no higher than 74.7% (Moraxella pluranimalium CCUG 54913T) and 26.0% (Moraxella oblonga NBRC 102422T), respectively. The G + C content of the complete genome sequence was 43.6 mol%. The strain contained CoQ-8 as the major respiratory quinone, and C18:1ω9c, C17:1ω8c, C16:0 and summed feature 3 (C16:1 ω7c and/ or C16:1ω6c) as the predominant fatty acids (> 5%). The major polar lipids comprised phosphatidylglycerol (PG), cardiolipin (CL), monolysocardiolipin (MLCL), phosphatidylethanolamine (PE) and lysophosphatidylglycerol (LPG). Based on these taxonomic characterizations, strain ZY201224T represents a novel species of the genus Moraxella, for which the name Moraxella nasicaprae sp. nov. is proposed. The type strain is ZY201224T (= CCTCC AB 2021474T = NBRC 115473T).
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Affiliation(s)
- Fuxiang Li
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, People's Republic of China
| | - Huafeng Gao
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, People's Republic of China
| | - Pei Zhu
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, People's Republic of China
| | - Zhanhong Li
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, People's Republic of China
| | - Wenhua Zhao
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, People's Republic of China
| | - Jianling Song
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, People's Republic of China
| | - Shibiao Yang
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, People's Republic of China.
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Li F, Zhu P, Li Z, Zhao W, Gao H, Hong Q, Song J, Yang S. Moraxella nasovis sp. nov., isolated from a sheep with respiratory disease. Int J Syst Evol Microbiol 2022; 72. [DOI: 10.1099/ijsem.0.005511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel Gram-stain-negative, aerobic, coccus-shaped bacteria, designated ZY201115T, was isolated from the nasal cavity of a sheep with respiratory disease in Yunnan Province, south-west China, and its taxonomic affiliation was studied by applying a polyphasic approach. The strain grew at 18–41 °C (optimum, 37 °C), at pH 6.0–9.0 (optimum, pH 8.0) and in 0.5–3.0% (w/v) NaCl (optimum, 1.0 % NaCl). Phylogenetic analysis based on 16S rRNA gene sequences showed that the strain is affiliated to the genus
Moraxella
with highest similarity to
Moraxella bovis
ATCC 10900T (96.6 %). Phylogenomic analysis based on 811 single-copy genes also indicated that the strain represents a novel species in the genus
Moraxella
and formed a deep and separated clade with
Moraxella caviae
NCTC 10293T. The highest genomic orthologous average nucleotide identity and digital DNA–DNA hybridization values between the strain and the type strains in the genus
Moraxella
were 73.7% (
M. caviae
NCTC 10293T) and 25.3% (
Moraxella osloensis
CCUG 350T), respectively. The G+C content of the complete genome sequence was 42.1 mol%. The predominant fatty acids (>5 %) were C18:1 ω9c, C17:1 ω8c, C12:03OH and summed feature 3 (C16:1 ω7c and/or C16:1 ω6c). The major polar lipids were phosphatidylglycerol, cardiolipin, monolysocardiolipin, phosphatidylethanolamine and hemibismonoacylglycerophosphate. The major respiratory quinone was CoQ-8. On the basis of the results of phylogenetic, phenotypic and chemotaxonomic characterizations, strain ZY201115T clearly represents a novel species of the genus
Moraxella
, for which the name Moraxella nasovis sp. nov. is proposed. The type strain is ZY201115T (=CCTCC AB 2021473T=CCUG 75922T).
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Affiliation(s)
- Fuxiang Li
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, PR China
| | - Pei Zhu
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, PR China
| | - Zhanhong Li
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, PR China
| | - Wenhua Zhao
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, PR China
| | - Huafeng Gao
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, PR China
| | - Qionghua Hong
- Yunnan Provincial Meat Caprine Engineering Research Center, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, PR China
| | - Jianling Song
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, PR China
| | - Shibiao Yang
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, PR China
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Moraxella tetraodonis sp. nov., isolated from freshwater pufferfish (Tetraodon cutcutia) skin. Arch Microbiol 2022; 204:389. [PMID: 35699830 DOI: 10.1007/s00203-022-03013-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/22/2022] [Indexed: 11/02/2022]
Abstract
A novel aerobic bacterium, strain PS-22 of the genus Moraxella, was isolated from the skin of freshwater pufferfish (Tetraodon cutcutia). Cells were Gram stain negative, aerobic, non-motile, and coccoid. Optimum growth occurred at 28-30 °C and pH 6.5-7.5. The major cellular fatty acids were C18:1 ω9c, C10:0, C16:0, and C12:0 anteiso. The predominant polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phospholipid, amino lipid, and seven unknown lipids. The genome size is 2.68 Mbp, and the DNA G + C content was 43.3%. A gene ontology study revealed that the major fraction of genes were associated with biological processes (46.81%), followed by molecular function (34.27%) and cellular components (18.8%). Comparisons of 16S rRNA gene sequences revealed 99.11-90% sequence similarity with the closely related type strains of the genus Moraxella. The average nucleotide identity (ANI) and average amino acid identity (AAI) of strain PS-22 with reference type strains of the genus Moraxella were below 95-96%, and the corresponding in silico DNA-DNA hybridization (DDH) values were below 70%. A phylogenetic tree based on genome-wide core genes and 16S rRNA gene sequences revealed that strain PS-22 clustered with Moraxella osloensis CCUG350T in both the phylogenetic trees. Genotypic and phenotypic characteristics of strain PS-22 represent a novel species for which Moraxella tetraodonis sp. nov. is proposed. The type strain is PS-22T (= TBRC 15232T = NBRC 115236T).
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Abstract
Host-adapted microorganisms are generally assumed to have evolved from free-living, environmental microorganisms, as examples of the reverse process are rare. In the phylum Gammaproteobacteria, family Moraxellaceae, the genus Psychrobacter includes strains from a broad ecological distribution including animal bodies as well as sea ice and other nonhost environments. To elucidate the relationship between these ecological niches and Psychrobacter's evolutionary history, we performed tandem genomic analyses with phenotyping of 85 Psychrobacter accessions. Phylogenomic analysis of the family Moraxellaceae reveals that basal members of the Psychrobacter clade are Moraxella spp., a group of often-pathogenic organisms. Psychrobacter exhibited two broad growth patterns in our phenotypic screen: one group that we called the "flexible ecotype" (FE) had the ability to grow between 4 and 37°C, and the other, which we called the "restricted ecotype" (RE), could grow between 4 and 25°C. The FE group includes phylogenetically basal strains, and FE strains exhibit increased transposon copy numbers, smaller genomes, and a higher likelihood to be bile salt resistant. The RE group contains only phylogenetically derived strains and has increased proportions of lipid metabolism and biofilm formation genes, functions that are adaptive to cold stress. In a 16S rRNA gene survey of polar bear fecal samples, we detect both FE and RE strains, but in in vivo colonizations of gnotobiotic mice, only FE strains persist. Our results indicate the ability to grow at 37°C, seemingly necessary for mammalian gut colonization, is an ancestral trait for Psychrobacter, which likely evolved from a pathobiont.IMPORTANCE Host-associated microbes are generally assumed to have evolved from free-living ones. The evolutionary transition of microbes in the opposite direction, from host associated toward free living, has been predicted based on phylogenetic data but not studied in depth. Here, we provide evidence that the genus Psychrobacter, particularly well known for inhabiting low-temperature, high-salt environments such as sea ice, permafrost soils, and frozen foodstuffs, has evolved from a mammalian-associated ancestor. We show that some Psychrobacter strains retain seemingly ancestral genomic and phenotypic traits that correspond with host association while others have diverged to psychrotrophic or psychrophilic lifestyles.
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Humphreys GJ, Oates A, Ledder RG, McBain AJ. Faucicola mancuniensis gen. nov., sp. nov., isolated from the human oropharynx. Int J Syst Evol Microbiol 2015; 65:11-14. [DOI: 10.1099/ijs.0.066837-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
An aerobic, Gram-stain-negative, non-motile coccus, designated strain GVCNT2T, was isolated from the tonsils of a healthy adult female. Cells were oxidase- and catalase-positive, positive for the production of esterase (C4), esterase lipase (C8) and leucine arylamidase, and weakly positive for naphthol-AS-BI-phosphohydrolase and alkaline phosphatase. Cells were also capable of hydrolysing DNA. Growth was observed at 20–37 °C and in the presence of up to 1.5 % NaCl. Phylogenetic analysis of near full-length 16S rRNA gene sequences indicated that the strain exhibited closest sequence similarity to
Moraxella boevrei
ATCC 700022T (94.68 %) and an uncultured, unspeciated bacterial clone (strain S12-08; 99 %). The major fatty acids were C18 : 1ω9c, C18 : 0, C16 : 0 and C16 : 1ω6c/C16 : 1ω7c. The DNA G+C content of strain GVCNT2T was 40.7 mol%. The major respiratory quinone identified was Q-8. Strain GVCNT2T exhibited a comparable phenotypic profile to other members of the genus
Moraxella
but could be distinguished based on its ability to produce acid (weakly) from d-glucose, melibiose, l-arabinose and rhamnose and on its ability to hydrolyse DNA. On the basis of phenotypic and phylogenetic differences from other members of the family
Moraxellaceae
, strain GVCNT2T is considered to represent a novel species of a new genus, for which the name Faucicola mancuniensis gen. nov., sp. nov. is proposed. The type strain of Faucicola mancuniensis is GVCNT2T ( = DSM 28411T = NCIMB 14946T).
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Affiliation(s)
- Gavin J. Humphreys
- Manchester Pharmacy School, Oxford Road, University of Manchester, Manchester M13 9PT, UK
| | - Angela Oates
- Manchester Pharmacy School, Oxford Road, University of Manchester, Manchester M13 9PT, UK
| | - Ruth G. Ledder
- Manchester Pharmacy School, Oxford Road, University of Manchester, Manchester M13 9PT, UK
| | - Andrew J. McBain
- Manchester Pharmacy School, Oxford Road, University of Manchester, Manchester M13 9PT, UK
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CHRISTENSEN JENSJØRGEN. Moraxella (Branhamella) catarrhalis: Clinical, microbiological and immunological features in lower respiratory tract infections. APMIS 2011. [DOI: 10.1111/j.1600-0463.1999.tb05670.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Vela AI, Sánchez-Porro C, Aragón V, Olvera A, Domínguez L, Ventosa A, Fernández-Garayzábal JF. Moraxella porci sp. nov., isolated from pigs. Int J Syst Evol Microbiol 2009; 60:2446-2450. [PMID: 19946050 DOI: 10.1099/ijs.0.016626-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Nine Gram-negative, catalase- and oxidase-positive, coccus-shaped bacteria were isolated from pigs affected by different pathological processes. Phenotypic and genotypic methods were adopted to determine the relationships of these new isolates to recognized species of the genus Moraxella. Analysis of the 16S rRNA gene sequences demonstrated that the clinical isolates represented a new lineage within the genus Moraxella. The isolates were closely related to Moraxella cuniculi and Moraxella pluranimalium with 16S rRNA gene sequence similarities of 98.1 % and 99.1 %, respectively. The isolates displayed DNA-DNA relative binding ratios of 74 % to each other, but distinctly lower levels of DNA-DNA hybridization were observed with phylogenetically closely related moraxellae (<32 %). The new isolates could be distinguished from all other recognized species of the genus Moraxella by physiological and biochemical tests. On the basis of the phenotypic and molecular data, the nine new isolates from pigs represent a novel species within the genus Moraxella, for which the name Moraxella porci sp. nov. is proposed. The type strain is SN9-4M(T) (=CECT 7294(T)=CCUG 54912(T)).
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Affiliation(s)
- A I Vela
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, Madrid, Spain.,Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, Madrid, Spain
| | - C Sánchez-Porro
- Departamento de Microbiología y Parasitología. Facultad de Farmacia. Universidad de Sevilla. 41012 Sevilla, Spain
| | - V Aragón
- Centre de Recerca en Sanitat Animal (CReSA), Campus de Bellaterra-Universitat Autónoma de Barcelona, 08193-Bellaterra, Barcelona, Spain
| | - A Olvera
- Centre de Recerca en Sanitat Animal (CReSA), Campus de Bellaterra-Universitat Autónoma de Barcelona, 08193-Bellaterra, Barcelona, Spain
| | - L Domínguez
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, Madrid, Spain.,Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, Madrid, Spain
| | - A Ventosa
- Departamento de Microbiología y Parasitología. Facultad de Farmacia. Universidad de Sevilla. 41012 Sevilla, Spain
| | - J F Fernández-Garayzábal
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, Madrid, Spain.,Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, Madrid, Spain
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Vela AI, Arroyo E, Aragón V, Sánchez-Porro C, Latre MV, Cerdà-Cuéllar M, Ventosa A, Domínguez L, Fernández-Garayzábal JF. Moraxella pluranimalium sp. nov., isolated from animal specimens. Int J Syst Evol Microbiol 2009; 59:671-4. [PMID: 19329585 DOI: 10.1099/ijs.0.006205-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Four unusual Gram-negative, catalase-positive, oxidase-positive, coccus-shaped bacteria isolated from one sheep and three pigs were characterized using phenotypic and molecular genetic methods. On the basis of cellular morphology and biochemical criteria, the isolates were tentatively assigned to the genus Moraxella, although the organisms did not appear to correspond to any recognized species. Comparative 16S rRNA gene sequencing studies demonstrated that the isolates represent a novel subline within the genus Moraxella. The most closely related species in phylogenetic terms was Moraxella cuniculi, with 16S rRNA gene sequence similarity of 97.9 % to the type strain CCUG 2154(T), although the DNA-DNA relatedness value was only 29 %. The novel isolates were readily distinguished from all recognized Moraxella species by means of physiological and biochemical tests. On the basis of molecular genetic and phenotypic evidence, therefore, the four isolates represent a novel species of the genus Moraxella, for which the name Moraxella pluranimalium sp. nov. is proposed. The type strain is 248-01(T) (=CECT 7295(T) =CCUG 54913(T)).
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Affiliation(s)
- A I Vela
- Laboratorio de Vigilancia Sanitaria Veterinaria (VISAVET), Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, Madrid, Spain
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Yoon JH, Lee CH, Yeo SH, Oh TK. Psychrobacter aquimaris sp. nov. and Psychrobacter namhaensis sp. nov., isolated from sea water of the South Sea in Korea. Int J Syst Evol Microbiol 2005; 55:1007-1013. [PMID: 15879226 DOI: 10.1099/ijs.0.63464-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Two Gram-negative, non-motile, non-spore-forming, slightly halophilic bacterial strains, SW-210T and SW-242T, were isolated from sea water of the South Sea in Korea, and were characterized taxonomically by means of a polyphasic approach. The two isolates grew optimally at 25–30 °C and in the presence of 2–3 % (w/v) NaCl. Strains SW-210T and SW-242T contained Q-8 as the predominant respiratory lipoquinone and C18 : 1
ω9c as the major fatty acid. The DNA G+C contents of strains SW-210T and SW-242T were 43·2 and 45·3 mol%, respectively. The 16S rRNA gene sequences of strains SW-210T and SW-242T were 98·9 % similar, and the mean DNA–DNA relatedness value between them was 24 %. Phylogenetic analysis based on 16S rRNA gene sequences showed that strains SW-210T and SW-242T form distinct phylogenetic lineages within the radiation of the cluster comprising Psychrobacter species, having 16S rRNA gene sequence similarity levels of 95·9–99·2 % with respect to the type strains of Psychrobacter species. The levels of DNA–DNA relatedness between the two isolates and the type strains of 15 phylogenetically related Psychrobacter species were well below 70 %. On the basis of phenotypic and phylogenetic data and genomic distinctiveness, strains SW-210T and SW-242T were classified in the genus Psychrobacter as representing two distinct novel species, for which the names Psychrobacter aquimaris sp. nov. (type strain, SW-210T=KCTC 12254T=DSM 16329T) and Psychrobacter namhaensis sp. nov. (type strain, SW-242T=KCTC 12255T=DSM 16330T) are proposed, respectively.
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Affiliation(s)
- Jung-Hoon Yoon
- Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Korea
| | - Choong-Hwan Lee
- Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Korea
| | - Soo-Hwan Yeo
- The Center for Traditional Microorganism Resources, Keimyung University, Shindang-Dong, Dalseo-gu, Daegu, Korea
| | - Tae-Kwang Oh
- Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Korea
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Yoon JH, Kang KH, Park YH. Psychrobacter jeotgali sp. nov., isolated from jeotgal, a traditional Korean fermented seafood. Int J Syst Evol Microbiol 2003; 53:449-454. [PMID: 12710611 DOI: 10.1099/ijs.0.02242-0] [Citation(s) in RCA: 242] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Two Gram-negative, non-motile, non-spore-forming and moderately halophilic cocci (strains YKJ-103T and YKJ-105) were isolated from the traditional Korean fermented seafood, jeotgal. The two strains grew optimally at 25-30 degrees C and grew at 4 and 36 degrees C, but not above 37 degrees C. They grew in the presence of 0-10% (w/v) NaCl with an optimum of 2-3% (w/v) NaCl. Strains YKJ-103T and YKJ-105 were chemotaxonomically characterized by having ubiquinone-8 (0-8) as the predominant isoprenoid quinone and C18:1omega9c as the major fatty acid. The polar lipid analysis indicated the presence of diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The DNA G + C contents of strains YKJ-103T and YKJ-105 were 44 and 43 mol%, respectively. Strains YKJ-103T and YKJ-105 showed no difference in their 16S rDNA sequences, and their mean level of DNA-DNA relatedness was 92.3%. Phylogenetic analysis based on 16S rDNA sequences showed that the two strains form a distinct phylogenetic lineage within the cluster comprising Psychrobacter species. Strains YKJ-103T and YKJ-105 exhibited 16S rDNA similarities of 96.6% with the type strain of Psychrobacter proteolyticus, the closest Psychrobacter species, and of 94.5-95.9% with type strains of other Psychrobacter species. On the basis of phenotypic properties, phylogenetic and genomic data, strains YKJ-103T and YKJ-105 should be placed in the genus Psychrobacter as members of a new species, for which the name Psychrobacter jeotgali sp. nov. is proposed. The type strain of the new species is strain YKJ-103T (=KCCM 41559T = JCM 11463T).
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Affiliation(s)
- Jung-Hoon Yoon
- Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Korea
| | - Kook Hee Kang
- Department of Food and Life Science, Sungkyunkwan University, Chunchun-dong 300, Jangan-gu, Suwon, Korea
| | - Yong-Ha Park
- National Research Laboratory of Molecular Ecosystematics, Institute of Probionic, Probionic Corporation, Bio-venture Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Korea
- Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Korea
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Christensen JJ, Fabrin J, Fussing V, Hansen DS, Jensen AG, Krogfelt K, Nørskov-Lauritsen N, Skov R. A case of Moraxella canis-associated wound infection. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES 2001; 33:155-6. [PMID: 11233854 DOI: 10.1080/003655401750065580] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Moraxella canis was isolated from an infected foot ulcer in a patient suffering from diabetes mellitus with neuropathy. Bacteriological findings and 16S rDNA data are presented.
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Affiliation(s)
- J J Christensen
- Department of Clinical Microbiology, Statens Serum Institut, Copenhagen, Denmark
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12
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Identification bactériologique des espèces des genres Neisseria et Branhamella, sérogroupage du méningocoque. Evolution de la nomenclature. Med Mal Infect 1997. [DOI: 10.1016/s0399-077x(97)80152-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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13
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Tønjum T, Bøvre K, Juni E. Fastidious gram-negative bacteria: meeting the diagnostic challenge with nucleic acid analysis. APMIS 1995; 103:609-27. [PMID: 7488382 DOI: 10.1111/j.1699-0463.1995.tb01414.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The extended panorama of fastidious Gram-negative bacteria (FGNB) as opportunistic etiological agents of infectious diseases in immunocompromised patients is largely due to improved medical expertise and technology. The heightened awareness of infectious diseases due to FGNB species mandates comprehensive classification and identification systems as a basis for rapid and reliable diagnostics. The most useful approaches are combinations of nucleic acid techniques such as hybridization, genetic transformation, amplification and base sequence analysis with selected conventional criteria. Among these approaches, the widely distributed feature of natural competence in these organisms facilitates the use of the biological method of genetic transformation as a valuable addition to the more common nucleic acid techniques. We describe the development of the taxonomy of FGNB through the last four decades, with particular emphasis on the families Neisseriaceae, Moraxellaceae, and Pasteurellaceae.
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Affiliation(s)
- T Tønjum
- Department of Microbiology, Ullevål University Hospital, Oslo, Norway
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