| pcr-sscp of rdna for the identification of trichinella isolates from mainland china. | a polymerase chain reaction (pcr)-based single strand conformation polymorphism (sscp) analysis of the expansion segment 5 (domain iv) of the large subunit of ribosomal dna was employed to characterize seven isolates of trichinella from china (a-g), including six of pig origin from regions in dengxian (a), tianjin (b), harbin (d), baoshan (e), xinye (f) and xian (g), and one of canine origin from changchun (c). isolates a, d, e, f and g were classified as trichinella spiralis based on sscp patte ... | 1998 | 9584075 |