defense reaction in a sentence

Examples

1. The immune response of the plant to the alterations in the exopolysaccharides ( EPSs ) and lipopolysaccharides ( LPSs ) of various rhizobia led to the formation of enlarged infection threads ( ITs ) with thickened cell walls, which is often associated with plant defense reactions, and to the production of ineffective nodules in their plant host.
2. "I think it's because the sense of guilt over having written about other people leads to a defense reaction, whereby when someone else does it to you, you become defensive and angry, probably as a way of compensating for your feeling _ or of trying to avoid admitting your feeling _ of guilt for having done the same thing ."