... broad range of bacterial species. Thepolysaccharides often constitute the outermost layer of thecell, and have been implicated as an important factor in thevirulence of many animal and plant ... of oralActinobacillus actinomycetemcomitans and serotype distribution in human periodontal disease. Infect. Immun. 41, 19–27.8. Saarela, M., Asikainen, S., Alaluusua, S., Pyha¨la¨, L., Lai, ... DNAfragments carrying the gmd and tld genes of A. actinomyce-temcomitans SUNYaB 75 were amplified by PCR usingpSAA212 [23] as a template. pSAA212 contains a 10.6-kbAcc65I fragment responsible for...