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Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi...
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| Zeitschriftentitel: | International Journal of Systematic and Evolutionary Microbiology |
|---|---|
| Personen und Körperschaften: | , , |
| In: | International Journal of Systematic and Evolutionary Microbiology, 63, 2013, Pt_7, S. 2506-2519 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Microbiology Society
|
| Schlagwörter: |
| author_facet |
Jensen, Anders Hoshino, Tomonori Kilian, Mogens Jensen, Anders Hoshino, Tomonori Kilian, Mogens |
|---|---|
| author |
Jensen, Anders Hoshino, Tomonori Kilian, Mogens |
| spellingShingle |
Jensen, Anders Hoshino, Tomonori Kilian, Mogens International Journal of Systematic and Evolutionary Microbiology Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. General Medicine Ecology, Evolution, Behavior and Systematics Microbiology |
| author_sort |
jensen, anders |
| spelling |
Jensen, Anders Hoshino, Tomonori Kilian, Mogens 1466-5026 1466-5034 Microbiology Society General Medicine Ecology, Evolution, Behavior and Systematics Microbiology http://dx.doi.org/10.1099/ijs.0.043232-0 <jats:p>The Anginosus group of the genus <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="genus" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5605" xlink:type="simple"> <jats:italic>Streptococcus</jats:italic> </jats:ext-link> </jats:named-content> has been the subject of much taxonomic confusion, which has hampered the full appreciation of its clinical significance. The purpose of this study was to critically re-examine the taxonomy of the Anginosus group, with special attention to β-haemolytic, Lancefield group C strains, using multilocus sequence analysis (MLSA) combined with 16S rRNA gene sequence and phenotypic analyses. Phylogenetic analysis of concatenated sequences of seven housekeeping genes previously used for examination of viridans streptococci distinguished seven distinct and coherent clusters in the Anginosus group. Analyses of 16S rRNA gene sequences and phenotypic characters supported the MLSA clustering and currently recognized taxa of the Anginosus group. Single gene analyses showed considerable allele sharing between species, thereby invalidating identification based on single-locus sequencing. Two novel clusters of β-haemolytic, Lancefield group C strains within the <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.11056" xlink:type="simple"> <jats:italic>Streptococcus constellatus</jats:italic> </jats:ext-link> </jats:named-content> and <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5611" xlink:type="simple"> <jats:italic>Streptococcus anginosus</jats:italic> </jats:ext-link> </jats:named-content> species and isolated from patients with sore throat showed sufficient phylogenetic distances from other clusters to warrant status as novel subspecies. The novel cluster within <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5611" xlink:type="simple"> <jats:italic>S. anginosus</jats:italic> </jats:ext-link> </jats:named-content> was identified as the previously recognized DNA homology cluster, DNA group 2. The names <jats:italic>S. anginosus</jats:italic> subsp. <jats:italic>whileyi</jats:italic> subsp. nov. (type strain CCUG 39159<jats:sup>T</jats:sup> = DSM 25818<jats:sup>T</jats:sup> = SK1267<jats:sup>T</jats:sup>) and <jats:italic>S. constellatus</jats:italic> subsp. <jats:italic>viborgensis</jats:italic> subsp. nov. (type strain SK1359<jats:sup>T</jats:sup> = CCUG 62387<jats:sup>T</jats:sup> = DSM 25819<jats:sup>T</jats:sup>) are proposed.</jats:p> Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. International Journal of Systematic and Evolutionary Microbiology |
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| title |
Taxonomy of the Anginosus group of the genus
Streptococcus
and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_unstemmed |
Taxonomy of the Anginosus group of the genus
Streptococcus
and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_full |
Taxonomy of the Anginosus group of the genus
Streptococcus
and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_fullStr |
Taxonomy of the Anginosus group of the genus
Streptococcus
and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_full_unstemmed |
Taxonomy of the Anginosus group of the genus
Streptococcus
and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_short |
Taxonomy of the Anginosus group of the genus
Streptococcus
and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_sort |
taxonomy of the anginosus group of the genus
streptococcus
and description of streptococcus anginosus subsp. whileyi subsp. nov. and streptococcus constellatus subsp. viborgensis subsp. nov. |
| topic |
General Medicine Ecology, Evolution, Behavior and Systematics Microbiology |
| url |
http://dx.doi.org/10.1099/ijs.0.043232-0 |
| publishDate |
2013 |
| physical |
2506-2519 |
| description |
<jats:p>The Anginosus group of the genus <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="genus" xlink:type="simple">
<jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5605" xlink:type="simple">
<jats:italic>Streptococcus</jats:italic>
</jats:ext-link>
</jats:named-content> has been the subject of much taxonomic confusion, which has hampered the full appreciation of its clinical significance. The purpose of this study was to critically re-examine the taxonomy of the Anginosus group, with special attention to β-haemolytic, Lancefield group C strains, using multilocus sequence analysis (MLSA) combined with 16S rRNA gene sequence and phenotypic analyses. Phylogenetic analysis of concatenated sequences of seven housekeeping genes previously used for examination of viridans streptococci distinguished seven distinct and coherent clusters in the Anginosus group. Analyses of 16S rRNA gene sequences and phenotypic characters supported the MLSA clustering and currently recognized taxa of the Anginosus group. Single gene analyses showed considerable allele sharing between species, thereby invalidating identification based on single-locus sequencing. Two novel clusters of β-haemolytic, Lancefield group C strains within the <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple">
<jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.11056" xlink:type="simple">
<jats:italic>Streptococcus constellatus</jats:italic>
</jats:ext-link>
</jats:named-content> and <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple">
<jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5611" xlink:type="simple">
<jats:italic>Streptococcus anginosus</jats:italic>
</jats:ext-link>
</jats:named-content> species and isolated from patients with sore throat showed sufficient phylogenetic distances from other clusters to warrant status as novel subspecies. The novel cluster within <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple">
<jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5611" xlink:type="simple">
<jats:italic>S. anginosus</jats:italic>
</jats:ext-link>
</jats:named-content> was identified as the previously recognized DNA homology cluster, DNA group 2. The names <jats:italic>S. anginosus</jats:italic> subsp. <jats:italic>whileyi</jats:italic> subsp. nov. (type strain CCUG 39159<jats:sup>T</jats:sup> = DSM 25818<jats:sup>T</jats:sup> = SK1267<jats:sup>T</jats:sup>) and <jats:italic>S. constellatus</jats:italic> subsp. <jats:italic>viborgensis</jats:italic> subsp. nov. (type strain SK1359<jats:sup>T</jats:sup> = CCUG 62387<jats:sup>T</jats:sup> = DSM 25819<jats:sup>T</jats:sup>) are proposed.</jats:p> |
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| description | <jats:p>The Anginosus group of the genus <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="genus" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5605" xlink:type="simple"> <jats:italic>Streptococcus</jats:italic> </jats:ext-link> </jats:named-content> has been the subject of much taxonomic confusion, which has hampered the full appreciation of its clinical significance. The purpose of this study was to critically re-examine the taxonomy of the Anginosus group, with special attention to β-haemolytic, Lancefield group C strains, using multilocus sequence analysis (MLSA) combined with 16S rRNA gene sequence and phenotypic analyses. Phylogenetic analysis of concatenated sequences of seven housekeeping genes previously used for examination of viridans streptococci distinguished seven distinct and coherent clusters in the Anginosus group. Analyses of 16S rRNA gene sequences and phenotypic characters supported the MLSA clustering and currently recognized taxa of the Anginosus group. Single gene analyses showed considerable allele sharing between species, thereby invalidating identification based on single-locus sequencing. Two novel clusters of β-haemolytic, Lancefield group C strains within the <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.11056" xlink:type="simple"> <jats:italic>Streptococcus constellatus</jats:italic> </jats:ext-link> </jats:named-content> and <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5611" xlink:type="simple"> <jats:italic>Streptococcus anginosus</jats:italic> </jats:ext-link> </jats:named-content> species and isolated from patients with sore throat showed sufficient phylogenetic distances from other clusters to warrant status as novel subspecies. The novel cluster within <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5611" xlink:type="simple"> <jats:italic>S. anginosus</jats:italic> </jats:ext-link> </jats:named-content> was identified as the previously recognized DNA homology cluster, DNA group 2. The names <jats:italic>S. anginosus</jats:italic> subsp. <jats:italic>whileyi</jats:italic> subsp. nov. (type strain CCUG 39159<jats:sup>T</jats:sup> = DSM 25818<jats:sup>T</jats:sup> = SK1267<jats:sup>T</jats:sup>) and <jats:italic>S. constellatus</jats:italic> subsp. <jats:italic>viborgensis</jats:italic> subsp. nov. (type strain SK1359<jats:sup>T</jats:sup> = CCUG 62387<jats:sup>T</jats:sup> = DSM 25819<jats:sup>T</jats:sup>) are proposed.</jats:p> |
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| spelling | Jensen, Anders Hoshino, Tomonori Kilian, Mogens 1466-5026 1466-5034 Microbiology Society General Medicine Ecology, Evolution, Behavior and Systematics Microbiology http://dx.doi.org/10.1099/ijs.0.043232-0 <jats:p>The Anginosus group of the genus <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="genus" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5605" xlink:type="simple"> <jats:italic>Streptococcus</jats:italic> </jats:ext-link> </jats:named-content> has been the subject of much taxonomic confusion, which has hampered the full appreciation of its clinical significance. The purpose of this study was to critically re-examine the taxonomy of the Anginosus group, with special attention to β-haemolytic, Lancefield group C strains, using multilocus sequence analysis (MLSA) combined with 16S rRNA gene sequence and phenotypic analyses. Phylogenetic analysis of concatenated sequences of seven housekeeping genes previously used for examination of viridans streptococci distinguished seven distinct and coherent clusters in the Anginosus group. Analyses of 16S rRNA gene sequences and phenotypic characters supported the MLSA clustering and currently recognized taxa of the Anginosus group. Single gene analyses showed considerable allele sharing between species, thereby invalidating identification based on single-locus sequencing. Two novel clusters of β-haemolytic, Lancefield group C strains within the <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.11056" xlink:type="simple"> <jats:italic>Streptococcus constellatus</jats:italic> </jats:ext-link> </jats:named-content> and <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5611" xlink:type="simple"> <jats:italic>Streptococcus anginosus</jats:italic> </jats:ext-link> </jats:named-content> species and isolated from patients with sore throat showed sufficient phylogenetic distances from other clusters to warrant status as novel subspecies. The novel cluster within <jats:named-content xmlns:xlink="http://www.w3.org/1999/xlink" content-type="species" xlink:type="simple"> <jats:ext-link ext-link-type="uri" xlink:href="http://dx.doi.org/10.1601/nm.5611" xlink:type="simple"> <jats:italic>S. anginosus</jats:italic> </jats:ext-link> </jats:named-content> was identified as the previously recognized DNA homology cluster, DNA group 2. The names <jats:italic>S. anginosus</jats:italic> subsp. <jats:italic>whileyi</jats:italic> subsp. nov. (type strain CCUG 39159<jats:sup>T</jats:sup> = DSM 25818<jats:sup>T</jats:sup> = SK1267<jats:sup>T</jats:sup>) and <jats:italic>S. constellatus</jats:italic> subsp. <jats:italic>viborgensis</jats:italic> subsp. nov. (type strain SK1359<jats:sup>T</jats:sup> = CCUG 62387<jats:sup>T</jats:sup> = DSM 25819<jats:sup>T</jats:sup>) are proposed.</jats:p> Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. International Journal of Systematic and Evolutionary Microbiology |
| spellingShingle | Jensen, Anders, Hoshino, Tomonori, Kilian, Mogens, International Journal of Systematic and Evolutionary Microbiology, Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov., General Medicine, Ecology, Evolution, Behavior and Systematics, Microbiology |
| title | Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_full | Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_fullStr | Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_full_unstemmed | Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_short | Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_sort | taxonomy of the anginosus group of the genus streptococcus and description of streptococcus anginosus subsp. whileyi subsp. nov. and streptococcus constellatus subsp. viborgensis subsp. nov. |
| title_unstemmed | Taxonomy of the Anginosus group of the genus Streptococcus and description of Streptococcus anginosus subsp. whileyi subsp. nov. and Streptococcus constellatus subsp. viborgensis subsp. nov. |
| topic | General Medicine, Ecology, Evolution, Behavior and Systematics, Microbiology |
| url | http://dx.doi.org/10.1099/ijs.0.043232-0 |