- International Journal of Systematic and Evolutionary Microbiology
- Volume 49, Issue 2
f Analysis of the 16S rRNA gene of microorganism WSU 86-1044 from an aborted bovine foetus reveals that it is a member of the order Chlamydiales: proposal of Waddliaceae fam. nov., Waddlia chondrophila gen. nov., sp. nov.
- Authors: Fred R. Rurangirwa, Pamela M. Dilbeck, Timothy B. Crawford, Travis C. McGuire, Terry F. McElwain
- Author for correspondence: Fred R. Rurangirwa. Fax: + 1 509 335 8529. e-mail: email@example.com
- First Published Online: 01 April 1999, International Journal of Systematic and Evolutionary Microbiology 49: 577-581, doi: 10.1099/00207713-49-2-577
- Subject: New Taxa - Other Bacteria
- Issue Published:
Analysis of the 16S rRNA gene of microorganism WSU 86-1044 from an aborted bovine foetus reveals that it is a member of the order Chlamydiales: proposal of Waddliaceae fam. nov., Waddlia chondrophila gen. nov., sp. nov., Page 1 of 1< Previous page | Next page > /docserver/preview/fulltext/ijsem/49/2/ijs-49-2-577-1.gif
The structural gene encoding the 16S rRNA of the new obligate intracellular organism presently designated WSU 86-1044Twas sequenced and analysed to establish its phylogenetic relationships. The 16S rDNA sequence was most closely related to those of chlamydial species, having 84.7--85.3% sequence similarity, while it had 72.4-73.2% similarity with rickettsia-like organisms. When the sequences of the four species of chlamydiae and Chlamydophila psittaci, Chlamydia trachomatis, Chlamydophila pneumoniae and Chlamydophila pecorum) were compared, they had > 93% sequence similarity indicating tha WSU 86--1044Twas not close enough to be in the same family as current Chlamydiaceae members. However, based on the 84.7--85.3% 16S rDNA sequence similarity of WSU 86--1044Tand other previously described characteristics, WSU 86--1044Tbelongs to a novel family within the order Chlamydiales; hence, the proposal of Waddliaceae fam. nov., Waddlia chondrophila gen. nov., sp. nov.
The GenBank accession number for the 16S rRNA gene sequence of WSU 86-1044Tis AF042496.
© 1999, International Union of Microbiological Societies | Published by the Microbiology Society
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