| Autor: |
Martín-Rodríguez AJ; Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden., Thorell K; Department of Clinical Microbiology, Sahlgrenska University Hospital, Region Västra Götaland, Gothenburg, Sweden., Joffré E; Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden., Jensie-Markopoulos S; Department of Clinical Microbiology, Sahlgrenska University Hospital, Region Västra Götaland, Gothenburg, Sweden.; Culture Collection University of Gothenburg (CCUG), Sahlgrenska University Hospital and Sahlgrenska Academy of the University of Gothenburg, Gothenburg, Sweden., Moore ERB; Department of Clinical Microbiology, Sahlgrenska University Hospital, Region Västra Götaland, Gothenburg, Sweden.; Culture Collection University of Gothenburg (CCUG), Sahlgrenska University Hospital and Sahlgrenska Academy of the University of Gothenburg, Gothenburg, Sweden.; Department of Infectious Diseases, Institute for Biomedicine, Sahlgrenska Academy of the University of Gothenburg, Gothenburg, Sweden., Sjöling Å; Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden.; Department of Chemistry and Molecular Biology (CMB) , University of Gothenburg, Gothenburg, Sweden. |
| Abstrakt: |
Two bacterial strains, SP1W3 T and SP1S2-7 T , were isolated from samples of water and sediments collected in Vaxholm, a town located on the Stockholm archipelago in the Baltic Sea, in November 2021. The strains were identified as novel genomic species within the genus Shewanella , based upon comparative analysis of whole genome sequence data. Strain SP1W3 T (genome size, 5.20 Mbp; G+C content, 46.0 mol%), isolated from water, was determined to be most closely related to S. hafniensis ATCC-BAA 1207 T and S. baltica NCTC 10735 T , with digital DNA-DNA hybridization (dDDH) values of 61.7% and 60.4 %, respectively. Strain SP1S2-7 T (genome size, 4.26 Mbp; G+C content, 41.5 mol%), isolated from sediments, was observed to be most closely related to S. aestuarii JCM17801 T , with a pairwise dDDH value of 33.8 %. Polyphasic analyses of physiological and phenotypic characteristics, in addition to genomic analyses, confirmed that each of these two strains represent distinct, novel species within the genus Shewanella , for which the names Shewanella septentrionalis sp. nov. (type strain SP1W3 T =CCUG 76164 T =CECT 30651 T ) and Shewanella holmiensis sp. nov. (type strain SP1S2-7 T =CCUG 76165 T =CECT 30652 T ) are proposed. |
