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Infectious Diseases

Data from Albert Einstein College of Medicine Advance Knowledge in Infectious Diseases

Published in Vaccine Weekly, June 8th, 2011

2011 JUN 8 -- New research, "Designed reduction of Streptococcus pneumoniae pathogenicity via synthetic changes in virulence factor codon-pair bias," is the subject of a report. "In this study, we used a previously described method of controlling gene expression with computer-based gene design and de novo DNA synthesis to attenuate the virulence of Streptococcus pneumoniae. We produced 2 S. pneumoniae serotype 3 (SP3) strains in which the pneumolysin gene (ply) was recoded with underrepresented codon pairs while retaining its amino acid sequence and determined their ply expression and pneumolysin production in vitro and their virulence in a mouse pulmonary...

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