Supported by the National Natural Science Foundation of China(No.31270093);the Innovation Team of Scientific Research Platform of Anhui Province(No.KJ2015TD001);the Open Project Program of the Collaborative Innovation Center for Modern Bio-manufacture,Anhui University(No.BM2015010)。
Based on analysis of gene structure of mamXY operon in Magnetospirillum gryphiswaldense strain MSR-1,we constructed a mamZ deletion mutant strain(ΔmamZ)and four complemented strains with different mamZ fragment lengt...