Suppl-1, M2: Deep Sequencing Details the Cross-over Map of Chimeric Genes in Two Porcine Reproductive and Respiratory Syndrome Virus Infectious Clones

Recombination is an important contributor to the genetic diversity of most viruses. A reverse genetics system using green fluorescence protein (GFP)- and enhanced GFP (EGFP)-expressing infectious clones was developed to study the requirements for recombination. However, it is still unclear what types of cross-over events occurred to produce the viable offspring