Phylogenetic analysis of primary endosymbionts based on 16S rDNA indicates that the non-B biotype is native to China while the B biotype is an invasive biotype.
初生共生细菌的系统发育分析表明，B型是入侵生物型，而浙江非B型是本地生物型。
2
Compared with (routine) bacterial culture method, this novel PCR method was used to detect 23s rDNA of 23 kinds of pure (bacteria,) culture bottles and clinical specimens.
对23种临床常见致病菌、培养物及临床病例标本采用本方法进行检测，并与常规细菌培养法比较。
3
To study the changes in serum immunosuppressive acidic protein (IAP) and T lymphocytes rDNA transcription activity in peripheral blood of patients with pancreatic cancer before and after operation.