| description of perkinsus beihaiensis n. sp., a new perkinsus sp. parasite in oysters of southern china. | oysters were collected from coastal locations in china from 1999-2006 for parasite analyses by molecular, culture, and histological techniques. polymerase chain reaction-based assays targeting the internal transcribed spacer (its) region of the ribosomal rna gene complex were performed to detect the presence of perkinsus species. sequencing and phylogenetic analysis of amplified perkinsus sp. dnas indicated that a novel perkinsus sp. infects crassostrea hongkongensis, crassostrea ariakensis, and ... | 2008 | 18318865 |