MICROBIOLOGY Correction for “Minimization of the Legionella pneumophila genome reveals chromosomal regions involved in host range expansion,” by Tamara J. O’Connor, Yewande Adepoju, Dana Boyd, and Ralph R. Isberg, which appeared in issue 36, September 6, 2011, of Proc Natl Acad Sci USA (108:14733–14740; first published August 22, 2011; 10.1073/pnas.1111678108).
The authors note that the GenBank accession number for Hextuple 2q is CP003023, and the GenBank accession number for Hextuple 3a is CP003024.