Polymorphism at the ITS and NTS Loci of Perkinsus marinus isolated from cultivated oyster Crassostrea corteziensis in Nayarit, Mexico and phylogentic relationship to P. marinus along the Atlantic Coast.

Abstract excerpt

Prevalence of the protozoan Perkinsus spp. in the gills of the pleasure oyster Crassostrea corteziensis from two estuaries in Nayarit, Mexico, was measured. The protozoan was identified by PCR amplification of the internal transcribed spacer (ITS) region of the rDNA of Perkinsus spp. The pathogen was found in 92% of oysters from Boca de Camichín and 77% of oysters from Pozo Chino. ITS sequences characterized from...

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