Rabbit Anti-L. monocytogenes O I Polyclonal antibody for Agg. The genus Listeriacomprises six species: L. monocytogenes, L. innocua, L. welshimeri, L.seeligeri, L. ivanovii and L. grayi. Listeria monocytogenes, the mostcommonly isolated pathogenic member, is associated with a wide spectrum ofhuman and animal disease