After Taq DNA polymerase had been isolated and purified from the thermophilic bacteria ( Thermus aquatics ) in aquatic habitat by Randall K. Saiki and his colleagues in 1988 , it was widely used in PCR techniques .
1988年,RandallK.Saiki等[1.2]从水生栖热菌(Thermusaquatics)中分离纯化到了taqDNA聚合酶,之后它广泛应用于PCR技术。