Several lines of evidence are presented to suggest that histocompatibility antigens can be physically associated on the cell surface with viral antigens and possibly other foreign antigens. The lysis of the murine tumor cells EL4 and P388 by syngeneic cytotoxic lymphocytes was inhibited by antisera directed against the H-2 antigens on the tumor cells, consistent with the hypothesis that H-2 ant...

Contagious agalactia represents one of the most relevant infectious diseases dairy sheep, with Mycoplasma agalactiae being primary etiological agent. The early, sensitive, and specific identification infected animals, as well development efficient prophylactic tools, remain challenging. Here, we present a comprehensive characterization M. antigens focusing on those shared among different isolat...