Coronavirus Genome Structure and Replication / D. Brian, R. Baric -- Coronavirus Transcription: A Perspective / S. Sawicki, D. Sawicki -- The Coronavirus Replicase / J. Ziebuhr -- Viral and Cellular Proteins Involved in Coronavirus Replication / S. Shi, M. Lai -- Coronavirus Reverse Genetics by Targeted RNA Recombination / P. Masters, P. Rottier -- Coronavirus Reverse Genetics and Development of Vectors for Gene Expression / L. Enjuanes, I. Sola, S. Alonso, D. Escors, S. Zuniga -- Reverse Genetics of Coronaviruses Using Vaccinia Virus Vectors / V. Thiel, S. Siddell -- Development of Mouse Hepatitis Virus and SARS-CoV Infectious cDNA Constructs / R. Baric, A. Sims