Recently,Listeriolysin O,a major virulence factor produced by all pathogenic strains of L.monocytogenes,has been identified as a candidate antigen for a serological assay.

• 在所有致病性的李斯特杆菌中,李斯特溶血素是主要致病因子,现已经有用其做诊断抗原的报道。