supported by grants from the National Natural Science Foundation of China(32225050,32073001)to Z.X.;the National Natural Science Foundation of China(3210210315)to Y.Y.Y.
Polymeric immunoglobulin(Ig)receptor-like(pIgRL)molecules have been identified in teleost fish.However,compared to functional studies of their related genes(e.g.,mammalian CD300 family)in eliminating pathogen invasion...