Additional file 6: Figure S6. Expression of nAChR genes in gills of C. gigas in response to infection by pathogens. Left, expression of 3 nAChRs at different times after Vibrio (V. anguillarum, V. tubiashii, V. aestuarianus, V. alginolyticus) challenge (data from Zhang et al. 2015); Right, expression of 3 nAChRs at different times after Ostreid herpesvirus 1-μVar challenge (data from He et al. 2015). Y-axes is expression relative to Time 0