TitleRhabdochlamydia spp. in an Oregon raptor.
Publication TypeJournal Article
Year of Publication2016
AuthorsJouffroy, SJ, Schlueter, AH, Bildfell, RJ, Rockey, DD
JournalJ Vet Diagn Invest
Date Published2016 Jul
KeywordsAnimals, Base Sequence, Bird Diseases, Chlamydiales, DNA, Bacterial, Gram-Negative Bacterial Infections, Hawks, Oregon, Phylogeny, Polymerase Chain Reaction, RNA, Ribosomal, 16S

PCR-based approach was used to examine the rate of Chlamydia positivity in raptors from wild bird rehabilitation centers in Oregon. Three of 82 birds were identified as positive for Chlamydia with this PCR. Sequence analysis of 16S ribosomal DNA from 2 of these birds confirmed the presence of DNA from phylum Chlamydiae. One bird was positive for Chlamydia psittaci in both choanal and cloacal swabs. The second bird, a louse-infested red-tailed hawk, had evidence of choanal colonization by "Candidatus Rhabdochlamydia" spp. Our study describes evidence of this Chlamydia-like organism in the United States. This survey also suggests that the carriage rate of C. psittaci is low in raptors in Oregon wild bird rehabilitation centers, and that care must be taken in the design of PCR primers for phylum Chlamydiae such that colonization by insect endosymbionts is not mistaken for an infection by known chlamydial pathogens.

Alternate JournalJ Vet Diagn Invest
PubMed ID27154318