Publications by authors named "J Fehrsen"

Recombinant antibody libraries based on chicken immunoglobulin genes are potentially valuable sources of phage-displayed scFvs for use in veterinary diagnostics and research. To add diversity to the scFv repertoire, we expanded the library to include genes from the ostrich, indigenous to southern Africa. The libraries described in this chapter are based on the chicken and ostrich variable heavy and light chain immunoglobulin genes joined by a short flexible linker cloned in the phagemid vector pHEN1.

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Cases of -associated mortality are rarely reported in African wild artiodactyls. Descriptions of lesions are limited, particularly in endangered hippotraginids. Here, we analyzed retrospectively the gross and histologic findings in 55 roan antelope () with fatal natural theileriosis.

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parasites commonly infect African wild artiodactyls. In rare roan () and sable () antelopes, sp. (sable)-associated calf mortalities constrain breeding programs.

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Foot-and-mouth disease (FMD) affects cloven-hoofed domestic and wildlife animals and an outbreak can cause severe losses in milk production, reduction in meat production and death amongst young animals. Several parts of Asia, most of Africa, and the Middle East remain endemic, thus emphasis on improved FMD vaccines, diagnostic assays, and control measures are key research areas. FMD virus (FMDV) populations are quasispecies, which pose serious implications in vaccine design and efficacy where an effective vaccine should include multiple independent neutralizing epitopes to elicit an adequate immune response.

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Article Synopsis
  • * Researchers created chicken-derived antibodies (scFv) that could react to these different types of MA and tested their ability to cross-react with cholesterol.
  • * The study found that certain antibody configurations showed weak cross-reactivity with cholesterol, particularly those recognizing trans-keto MA, suggesting these antibodies could be useful for diagnosing tuberculosis.
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