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1 January 2018 HOUSE FINCH (HAEMORHOUS MEXICANUS)–ASSOCIATED MYCOPLASMA GALLISEPTICUM IDENTIFIED IN LESSER GOLDFINCH (SPINUS PSALTRIA) AND WESTERN SCRUB JAY (APHELOCOMA CALIFORNICA) USING STRAIN-SPECIFIC QUANTITATIVE PCR
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Abstract
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In 1994 Mycoplasma gallisepticum was found to be the etiologic agent of House Finch (Haemorhous mexicanus) conjunctivitis, a rapidly expanding epidemic caused by a genetically discrete, House Finch–associated strain of M. gallisepticum (HFMG). While most prominent in House Finches, HFMG has been reported in other members of the family Fringillidae, including American Goldfinches (Spinus tristis), Purple Finches (Haemorhous purpureus), Pine Grosbeaks (Pinicola enucleator), and Evening Grosbeaks (Coccothraustes vespertinus). Herein we report two new potential host species of HFMG strain, the Lesser Goldfinch (Spinus psaltria), belonging to the Fringillidae family, and the Western (California) Scrub Jay (Aphelocoma californica), belonging to the Corvidae family. The latter is one of only two reports of HFMG being found outside the Fringillidae family, and of these is the only one reported outside of captivity. Furthermore, non-HFMG M. gallisepticum was identified in an American Crow (Corvus brachyrhynchos), indicating presence of additional strains in wild birds. Strain typing of M. gallisepticum isolates was done via HFMG-specific quantitative PCR analysis and validated using random amplified polymorphic DNA analysis. Our results suggested an expanded host range of HFMG strain, and further suggested that the host range of HFMG was not limited to members of the family Fringillidae.

© Wildlife Disease Association 2018
Catherine R. Allen, Arlind Mara, Edan R. Tulman, David H. Ley, and Steven J. Geary "HOUSE FINCH (HAEMORHOUS MEXICANUS)–ASSOCIATED MYCOPLASMA GALLISEPTICUM IDENTIFIED IN LESSER GOLDFINCH (SPINUS PSALTRIA) AND WESTERN SCRUB JAY (APHELOCOMA CALIFORNICA) USING STRAIN-SPECIFIC QUANTITATIVE PCR," Journal of Wildlife Diseases 54(1), 180-185, (1 January 2018). https://doi.org/10.7589/2017-04-079
Received: 14 April 2017; Accepted: 23 August 2017; Published: 1 January 2018
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