Capsular locus for the 91 pneumococcal serotypes is between 10 and 30 kb in length and is flanked by the conserved dexB and aliA genes. The marked heterogeneity within the capsular operon has been ...

For pneumococcus, which has marked interstrain variability, this could become a major roadblock. The author has no relevant affiliations or financial involvement with any organization or entity ...

researcher Oswald Avery and his colleagues at the Rockefeller University in New York were performing detailed analyses of the pneumococcal cell capsule and the role of this capsule in infections.