Correction

PLANT BIOLOGY. For the article “BRS1, a serine carboxypeptidase, regulates BRI1 signaling in Arabidopsis thaliana” by Jia Li, Kevin A. Lease, Frans E. Tax, and John C. Walker, which appeared in number 10, May 8, 2001, of Proc. Natl. Acad. Sci. USA (98, 5916–5921; First Published April 24, 2001; 10.1073/pnas.091065998), the authors note the following. In Fig. 1B, all eight places marked “br1–5” for genotype should read “bri1–5.”