英语语法分析

The MI15 strain of Agrobacterium radiobacter can produce Agrocin MI15 which inhibits the growth of Agrobactium tumefaciens, a pathogen causing grape crown gall.

在平皿培养时，能够产生农杆菌素MI15，能抑制葡萄根癌土壤杆菌的生长。

These mutants with either an impaired ability or a loss in ability to produce agrocin made clear that there were several genes involved in agrocin-production by A. vitis strain E26.

产素突变株产素能力改变程度的不一致表明了E26菌株细菌素的合成涉及到多个基因。