This paper briefly introduced recent research and application advancements on microbial molecular ecological technologies such as 16srRNA-PCR,nucleic acid probe hybridization,TGGE/DGGE and ERIC-PCR of activated sludge.

• 该文介绍了 16srRNA PCR、核酸探针杂交、TGGE/DGGE以及 ERIC PCR等分子生物学方法在活性污泥微生物生态研究与应用的进展。