DEVELOPMENTAL BIOLOGY Correction for “Transcriptional network controlled by the trithorax-group gene ash2 in Drosophila melanogaster,” by Sergi Beltran, Enrique Blanco, Florenci Serras, Beatriz Pérez-Villamil, Roderic Guigó, Spyros Artavanis-Tsakonas, and Montserrat Corominas, which appeared in issue 6, March 18, 2003, of Proc Natl Acad Sci USA (100:3293–3298; first published March 7, 2003; 10.1073/pnas.0538075100).
The authors note that there is a broken link in the legend of Fig. 4, at the end of Materials and Methods, in Results and Discussion, and in SI Materials and Methods. The link www.ub.es/epidd/arrays/index.htm should instead appear as http://compfly.bio.ub.es/Ash2Microarrays.