TLR4 and Immunodeficiency: GO:0009607 and GO:0051607 include genes related to ‘response to biotic stimulus’ and ‘defense response to viruses’, respectively, such as genes encoding antimicrobial peptides (the Turandot family of proteins, Defensin, Drosocin, Metchnikowin and some immune-induced peptides) and genes related to the Toll pathway and the immune deficiency (IMD) pathway.