MICROBIOLOGY. For the article “Efficient use of a small genome to generate antigenic diversity in tick-borne ehrlichial pathogens” by Kelly A. Brayton, Donald P. Knowles, Travis C. McGuire, and Guy H. Palmer, which appeared in number 7, March 27, 2001, of Proc. Natl. Acad. Sci. USA (98, 4130–4135), the authors note the following correction. The correct address for Donald P. Knowles is Animal Disease Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Pullman, WA 99164-6630.
. 2001 Apr 24;98(9):5369. doi: 10.1073/pnas.111153498