Speaker: Jorge Duitama Day: Wednesday, 10/31/2007 Room: ITEB 336 Time: 2:00-3:00pm Title: Multiplex PCR Primer Set Selection with Amplification Length Constraints Abstract: Primers selection for multiplex PCR induces a NP-Hard minimization problem on the number of primers needed to amplify all desired loci, subject to a constraint on the product length. Approximation algorithms have been developed to find nearly optimal solutions with a feasible runtime by translating the original problem into a well known one like Set Cover or ILP. In this talk there are going to be discussed two ILP approaches and the original set cover problem greedy algorithm to go toward a generic greedy algorithm based on a potential function that describes what is the gain reached with each selected primer. A good approximation guarantee for this algorithm is going to be proven. Reference: K. Konwar, I.I. Mandoiu, A. Russell, and A. Shvartsman. Exact and approximation algorithms for multiplex PCR primer set selection with amplification length constraints. In I.I. Mandoiu and A.Z. Zelikovsky (Eds.), Bioinformatics Algorithms: Techniques and Applications. Wiley (to appear).