evolution. For the article ”Synteny perturbations between wheat homoeologous chromosomes caused by locus duplications and deletions correlate with recombination rates,” by Eduard D. Akhunov, Alina R. Akhunova, Anna M. Linkiewicz, Jorge Dubcovsky, David Hummel, Gerry Lazo, Shiaoman Chao, Olin D. Anderson, Jacques David, Lili Qi, Benjamin Echalier, Bikram S. Gill, Miftahudin, J. Perry Gustafson, Mauricio La Rota, Mark E. Sorrells, Deshui Zhang, Henry T. Nguyen, Venugopal Kalavacharla, Khwaja Hossain, Shahryar F. Kianian, Junhua Peng, Nora L. V. Lapitan, Emily J. Wennerlind, Vivienne Nduati, James A. Anderson, Deepak Sidhu, Kulvinder S. Gill, Patrick E. McGuire, Calvin O. Qualset, and Jan Dvorak, which appeared in issue 19, September 16, 2003, of Proc. Natl. Acad. Sci. USA (100, 10836-10841; first published September 5, 2003; 10.1073/pnas.1934431100), the author name Gerry Lazo should have appeared as Gerard R. Lazo. The online version has been corrected. The corrected author line appears below.

Eduard D. Akhunov, Alina R. Akhunova, Anna M. Linkiewicz, Jorge Dubcovsky, David Hummel, Gerard R. Lazo, Shiaoman Chao, Olin D. Anderson, Jacques David, Lili Qi, Benjamin Echalier, Bikram S. Gill, Miftahudin, J. Perry Gustafson, Mauricio La Rota, Mark E. Sorrells, Deshui Zhang, Henry T. Nguyen, Venugopal Kalavacharla, Khwaja Hossain, Shahryar F. Kianian, Junhua Peng, Nora L. V. Lapitan, Emily J. Wennerlind, Vivienne Nduati, James A. Anderson, Deepak Sidhu, Kulvinder S. Gill, Patrick E. McGuire, Calvin O. Qualset, and Jan Dvorak