Eimeria parasites of domestic fowl: genetic relationships of different isolates estimated from random amplified polymorphic DNA

Abstract

Genetic relationships between Eimeria parasites of domestic fowl, including three isolates of E. acervulina, one of E. maxima, four of E. mitis, six of E. praecox, one of E. tenella, and two of uncertain identity, were analyzed by random amplified polymorphic DNA (RAPD) and the unweighted pair-group method with arithmetic mean, using 12 primers. Each primer amplified 4–34 DNA fragments/isolate. The similarity coefficients and phenograms were calculated from RAPD products with 230–2,000 bp in silver-stained polyacrylamide gels. Some primers generated RAPD markers which were species-specific for E. acervulina, E. mitis, and E. praecox. The phenograms revealed six clusters, each corresponding to an individual Eimeria species. The pBP and pBP2 isolates, of uncertain identity, clustered with the E. acervulina isolates (100% bootstrap). The intraspecific relationships showed certain degree of genetic isolation of the Eimeria populations, and it was associated with broiler house and with geographic separation.

DOI: 10.1007/s004360000369

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@article{Costa2001EimeriaPO, title={Eimeria parasites of domestic fowl: genetic relationships of different isolates estimated from random amplified polymorphic DNA}, author={Cleide Costa and Rafael A. M. Gomes and Martim Melo and Mayara Ribeiro}, journal={Parasitology Research}, year={2001}, volume={87}, pages={459-466} }