bacteriophage

At the same time, they are bacteriophage to prevent chondrification, blackness and grayness of culture.

同时，是防止文化软骨化、黑色化、灰色化的抗素。

<br/> Cre/lox system is a recombinase system which origins from bacteriophage P1.It can cause site-specific recombination at Loxp site.

Cre/lox系统是源于P1噬的一个DNA重组系，它能导致在特定的DNA序列(loxP位点)定点重组。