BmTCTP RNAi silkworms were constructed successfully by transgenic technique.
The gut AMP from BmTCTP RNAi silkworm wasn't induced after oral microbial challenge.
Survival rates of BmTCTP RNAi silkworm larvae decreased upon bacterial infection.
BmTCTP RNAi affected dynamics of ERK phosphorylation in silkworm midgut.