Threonine-producing mutants of Brevibacterium flavum with HDR or DPS defect were selected by resistance to less than 8g/l of AHV, a threonine analogue, in our previous studies. Growth of a mutant with HDR, BK 29, was still inhibited by 1... ...
PROBLEM TO BE SOLVED: To prevent conductive foreign matter from being generated in an insert molded part. SOLUTION: An insert molded part 1 provided in an electronic device is composed of a metal member 3 having a metal plating 4 on the surface thereof and a synthetic resin 2 covering the ...