chromosome of bacteria

To establish a real time quantitative PCR method for detecting gene copy numbers in chromosome DNA of bacteria .

目的建立一种以细菌染色体上1个已知拷贝管家基因作为基准、通过荧光定量PCR检测其他被检基因拷贝数的方法。

Conclusion The quantitative PCR can be applied to accurately detect copy numbers of genes in chromosome DNA of bacteria strains .

结论本方法可以准确检测菌株染色体上的基因拷贝数。

Integron was located on the chromosome of Gram-negative bacteria , transposon , or a broad host plasmid , which was found in recent years a new mobile DNA element that can horizontal transfer the resistance gene .

整合子定位于革兰阴性杆菌的染色体、转座子或具有广泛宿主的质粒上，整合子是近年来新发现的一种可水平传递耐药基因的DNA元件。

Toxin-antitoxin gene systems ( TA systems ), widely distributed on the chromosome of free-living bacteria , are assumed to be involved in or mediate cell growth inhibition or cell death as a prokaryotic cell stress factor .

毒素-抗毒素系统基因广泛存在于细菌染色体上，可能作为原核细胞的胁迫反应因子，参与或介导中度胁迫条件下细胞的生长抑制或死亡。

Live bacteria vector vaccine is a novel type of vaccine by inserting heterogenous antigen genes into chromosome or plasmid of bacteria , which elicits efficient and protective immune responses to heterogenous antigens , so as to prevent one or several diseases .

活菌载体疫苗是将异源抗原基因插入活细菌的染色体或质粒载体中，激发免疫系统提呈异源抗原并产生免疫保护，从而达到预防一种或多种疾病的新型疫苗。