Objective To establish DNA typing for HLA-DR antigens by polymerase chain reaction with sequence-specific primers (PCR-SSP).
目的采用顺序特异引物聚合酶链反应（PCR -SSP）建立人类白细胞抗原DR位点的DNA分型方法。
Posttranscriptional gene silencing (PTGS) in plants is a form of RNA silencing by which target RNA is degraded in a sequence-specific manner.
植物中的转录后基因沉默(PTGS)是RNA沉默的一种形式，通过PTGS能对目标RNA进行特异性降解。
Methods Sequence specific primers were designed and synthesized according to the HCV H strain of virus sequence.
方法根据HCV H病毒株序列设计、合成序列特异性的引物。
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