- Bovine toll-like receptor 9: a comparative analysis of molecular structure, function and expression. Griebel, P.J., Brownlie, R., Manuja, A., Nichani, A., Mookherjee, N., Popowych, Y., Mutwiri, G., Hecker, R., Babiuk, L.A. Vet. Immunol. Immunopathol. (2005)