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    Susceptibility and Antibody Response of the Laboratory Model Zebra Finch (Taeniopygia guttata) to West Nile Virus

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    Author
    Hofmeister, Erik K.; Lund, Melissa; Shearn-Bochsler, Valerie; Balakrishnan, Christopher N.
    Abstract
    Since the introduction of West Nile virus (WNV) into North America in 1999 a number of pas- serine bird species have been found to play a role in the amplification of the virus. Arbovirus surveillance, observational studies and experimental studies have implicated passerine birds (songbirds, e.g., crows, American robins, house sparrows, and house finches) as sig- nificant reservoirs of WNV in North America, yet we lack a tractable passerine animal model for controlled studies of the virus. The zebra finch (Taeniopygia guttata) serves as a model system across a diversity of fields, and here we develop the zebra finch a songbird model for WNV. Like many natural hosts of WNV, we found that zebra finches developed sufficient viremia to serve as a competent host, yet in general resisted mortality from infection. In the Australian zebra finch (AZF) T. g. castanotis, we detected WNV in the majority of sampled tissues by 4 days post injection (dpi). However, WNV was not detected in tissues of sacri- ficed birds at 14 dpi, shortly after the development of detectable anti-WNV antibodies in the majority of birds indicating successful viral clearance. We compared susceptibility between the two zebra finch subspecies AZF and Timor zebra finch (TZF) T. g. guttata. Compared to AZF, WNV RNA was detected in a larger proportion of challenged TZF and molecular detec- tion of virus in the serum of TZF was significantly higher than in AZF. Given the observed moderate host competence and disease susceptibility, we suggest that zebra finches are appropriate as models for the study of WNV and although underutilized in this respect, may be ideal models for the study of the many diseases carried and transmitted by songbirds.
    URI
    http://hdl.handle.net/10342/8372
    Date
    2017-01-03
    Citation:
    APA:
    Hofmeister, Erik K., & Lund, Melissa, & Shearn-Bochsler, Valerie, & Balakrishnan, Christopher N.. (January 2017). Susceptibility and Antibody Response of the Laboratory Model Zebra Finch (Taeniopygia guttata) to West Nile Virus. PLOS One, (12:1), p.. Retrieved from http://hdl.handle.net/10342/8372

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    MLA:
    Hofmeister, Erik K., and Lund, Melissa, and Shearn-Bochsler, Valerie, and Balakrishnan, Christopher N.. "Susceptibility and Antibody Response of the Laboratory Model Zebra Finch (Taeniopygia guttata) to West Nile Virus". PLOS One. 12:1. (.), January 2017. August 17, 2022. http://hdl.handle.net/10342/8372.
    Chicago:
    Hofmeister, Erik K. and Lund, Melissa and Shearn-Bochsler, Valerie and Balakrishnan, Christopher N., "Susceptibility and Antibody Response of the Laboratory Model Zebra Finch (Taeniopygia guttata) to West Nile Virus," PLOS One 12, no. 1 (January 2017), http://hdl.handle.net/10342/8372 (accessed August 17, 2022).
    AMA:
    Hofmeister, Erik K., Lund, Melissa, Shearn-Bochsler, Valerie, Balakrishnan, Christopher N.. Susceptibility and Antibody Response of the Laboratory Model Zebra Finch (Taeniopygia guttata) to West Nile Virus. PLOS One. January 2017; 12(1) . http://hdl.handle.net/10342/8372. Accessed August 17, 2022.
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