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      A multiplex polymerase chain reaction assay to simultaneously distinguish Cryptosporidium species of veterinary and public health concern in cattle

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      Veterinary Parasitology
      Elsevier BV

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          Abstract

          Four species of Cryptosporidium are routinely found in cattle: Cryptosporidium parvum, Cryptosporidium bovis, Cryptosporidium ryanae, and Cryptosporidium andersoni. It is important to determine the species of Cryptosporidium in infected cattle because C. parvum is the only serious pathogen for humans as well as cattle. Identification of Cryptosporidium species and genotypes currently relies on molecular methods such as polymerase chain reaction (PCR) followed by restriction fragment length polymorphism (RFLP) or gene sequencing. Incorporation of these techniques in a routine veterinary diagnostic laboratory is cost prohibitive. As such, their applications are limited primarily to research and a few public health laboratories. To overcome this problem, a multiplex PCR assay was developed for simultaneously detecting the 4 species of Cryptosporidium that commonly infect cattle. This assay specifically identifies Cryptosporidium oocysts present in cattle feces, improves the detection of mixed infections, reduces the time and cost relative to current sequencing methods, and further demonstrates the shortcomings of sequencing as the definitive method for identification when analyzing samples containing mixed infections.

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          Author and article information

          Journal
          Veterinary Parasitology
          Veterinary Parasitology
          Elsevier BV
          03044017
          December 2009
          December 2009
          : 166
          : 1-2
          : 32-37
          Article
          10.1016/j.vetpar.2009.07.039
          19713046
          b01a163a-3ad4-43a6-8904-fadfdace42ba
          © 2009

          https://www.elsevier.com/tdm/userlicense/1.0/

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