He discovered that the activation of a gene called Toll is crucial for switching on the initial immuneresponse that allowed his flies to fight off infection.
他发现Toll基因的激活对启动能帮助果蝇抵御感染的固有免疫反应尤为关键。
2
The major histocompatibility complex (MHC) is a gene cluster directly related to immuneresponse.
主要组织相容性复合体（MHC）是和免疫反应直接相关的基因群。
3
You might think that a gene involved in fighting infections must somehow enhance an animal's immuneresponse.