Meeting registration is now open for the 3rd annual joint conference on systems biology, regulatory genomics, and reverse engineering challenges, held at Columbia University on November 16-20, 2010 at http://www.regonline.com/recombsat10. This year we again tried to keep the meeting registration fee manageable for all participants. Daily breakfast and lunch are included in the registration fee. Early registration ends on September 10th, 2010. Please submit an abstract if you would like to be considered for oral presentation or poster at the conference. The deadline for abstract submission is also September 10th, 2010.