Porphyromonas gingivalis is implicated as etiologic agent in the pathogenesis of adult human periodontal diseases.Gingipains might act as the main virulence factors of Porphyromonas gingivalis .

• 牙龈蛋白酶是牙龈卟啉菌的主要致病因子,因其对宿主蛋白的广泛活性受到了普遍关注。