Intragenomic heterogeneity in the 16S rRNA genes of Flavobacterium columnare and standard protocol for genomovar assignment
Published 2013. This article is a U.S. Government work and is in the public domain in the USA.
| Veröffentlicht in: | Journal of fish diseases. - 1998. - 37(2014), 7 vom: 19. Juli, Seite 657-69 |
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| 1. Verfasser: | |
| Weitere Verfasser: | , , |
| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2014
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| Zugriff auf das übergeordnete Werk: | Journal of fish diseases |
| Schlagworte: | Journal Article Research Support, U.S. Gov't, Non-P.H.S. 16S rRNA Flavobacterium columnare columnaris disease genomovar intragenomic heterogeneity restriction fragment length polymorphism DNA, Bacterial RNA, Ribosomal, 16S |
| Zusammenfassung: | Published 2013. This article is a U.S. Government work and is in the public domain in the USA. Genetic variability in 16S rRNA gene sequences has been demonstrated among isolates of Flavobacterium columnare, and a restriction fragment length polymorphism (RFLP) assay is available for genetic typing of this important fish pathogen. Interpretation of restriction patterns can be difficult due to the lack of a formal description of the expected number and sizes of DNA fragments generated for each of the described genomovars. In this study, partial 16S rRNA gene sequences (ca. 1250-bp fragment) from isolates representing each described genomovar and isolates generating unique restriction patterns were cloned and sequenced. The results demonstrated that some isolates contained up to three different 16S rRNA genes whose sequences generate different RFLP patterns due to intragenomic heterogeneity within HaeIII restriction sites. The occurrence of HaeIII restriction sites within the portion of the 16S rRNA gene used for typing the F. columnare isolates and intragenomic heterogeneity within these sites explained the restriction patterns observed following RFLP analyses. This research provides a standard protocol for typing isolates of F. columnare by RFLP and a formal description of the expected restriction patterns for the previously described genomovars I, II, II-B and III. Additionally, we describe a new genomovar, I/II |
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| Beschreibung: | Date Completed 26.01.2015 Date Revised 30.09.2020 published: Print-Electronic GENBANK: KC912647, KC912648, KC912649, KC912650, KC912651, KC912652, KC912653, KC912654, KC912655, KC912656, KC912657, KC912658, KC912659, KC912660, KC912661, KC912662, KC912663, KC912664, KC912665, KC912666, KC912667, KC912668, KC912669, KC912670, KC912671, KC912672, KC912673, KC912674, KC912675, KC912676, KC912677, KC912678, KC912679, KC912680, KC912681, KC912682, KC912683, KC912684 Citation Status MEDLINE |
| ISSN: | 1365-2761 |
| DOI: | 10.1111/jfd.12166 |