Peptostreptococcus canis sp. nov., isolated from subgingival plaque from canine oral cavity |
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| Authors: | Paul A. Lawson Crystal N. Johnson Lisbeth Bengtsson Georgios Charalampakis Gunnar Dahlén Edward Moore Enevold Falsen |
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| Affiliation: | 1. Department of Microbiology and Plant Biology, University of Oklahoma, OK 73019, USA;2. Department of Oral Microbiology, Faculty of Odontology, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden;3. Culture Collection, Department of Clinical Bacteriology, University of Göteborg, S-41346 Göteborg, Sweden;1. Department of Infectious Diseases;2. Department of Infectious Diseases, Culture Collection University of Gothenburg (CCUG);3. Infection Control, Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy of the University of Gothenburg, Gothenburg, Sweden;1. Dental Research Institute and Department of Orthodontics, School of Dentistry, Seoul National University, 28-22 Yungeon-Dong, Jongro-Gu, Seoul 110-768, Republic of Korea;2. Doctor and Food Co. Ltd., 105-213 Genetic Engineering Institute, 56-1 Shinrim-Dong, Kwanak-Gu, Seoul National University, Seoul 151-742, Republic of Korea;3. Korean Collection for Oral Microbiology and Department of Oral Biochemistry, School of Dentistry, Chosun University, 375 Seosuk-Dong, Dong-Gu, Gwangju 501-759, Republic of Korea;1. Department of Food Science and Technology, Chung-Ang University, Ansung, Kyungki-do 456-756, South Korea;2. Bacteriology Unit, National Institute for Health and Welfare, Helsinki, Finland;3. Institute of Dentistry, University of Turku, Turku, Finland;4. Oy Lounatmaa Ltd, Helsinki, Finland;5. Research Service, Veterans Affairs Medical Center West Los Angeles, Los Angeles, CA, USA;6. Infectious Diseases Section, Veterans Affairs Medical Center West Los Angeles, Los Angeles, CA, USA;7. Department of Medicine, University of California at Los Angeles School of Medicine, Los Angeles, CA, USA;8. Department of Microbiology, Immunology and Molecular Genetics, University of California at Los Angeles School of Medicine, Los Angeles, CA, USA;1. Centro de Referencia para Lactobacilos (CERELA)-CONICET, Chacabuco 145, T4000ILC San Miguel de Tucumán, Argentina;2. Universidad Nacional de Tucumán, Ayacucho 471, T4000ILC San Miguel de Tucumán, Argentina;1. Infectious Diseases Department, Centro Hospitalar do Porto, Largo do Prof. Abel Salazar, 4099-001, Porto, Portugal;2. Department of Hepato-Gastroenterology, CHRU Nancy, Nancy, France, Rue du Morvan, 54500, Vand?uvre-lès-Nancy, France;3. Infectious Diseases Department, CHRU Nancy, Nancy, France, Rue du Morvan, 54500, Vand?uvre-lès-Nancy, France;4. Université de Lorraine, EA 7300 Stress Immunité Pathogènes SIMPA, F-54000, Nancy, France, Université de Lorraine, CHRU-Nancy, Laboratoire de Bactériologie, F-54000, France |
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| Abstract: | A polyphasic taxonomic study was performed on two strains of an unknown Gram-positive, asaccharolytic, nonspore-forming, obligately anaerobic coccus-shaped bacterium isolated from oral subgingival plaque of Labrador retriever dogs. Comparative 16S rRNA gene sequencing confirmed that these isolates were highly related to each other and formed a hitherto unknown linage within the clostridial rRNA XI cluster of organisms. Pairwise analysis demonstrated that the novel organism to be most closely related to members of the genus Peptostreptococcus with 16S rDNA gene sequence similarity values between 92.8% and 96.7%, respectively. The G + C DNA base composition was 30.8 mol% and the major cellular fatty acids included iso-C14:0, iso-C16:0, and iso-C16:0 DMA. Based on biochemical, chemotaxonomic, and phylogenetic evidence it is proposed that the unknown bacterium be classified as a new species, Peptostreptococcus canis sp. nov. The type strain is CCUG 57081T. |
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