Instituto Tecnologia Química e Biológica / UNL View Institution's Website 1 article published in JoVE Biology Processing the Loblolly Pine PtGen2 cDNA Microarray W. Walter Lorenz1, Yuan-Sheng Yu1, Marta Simões2, Jeffrey F. D. Dean1 1Warnell School of Forestry and Natural Resources, University of Georgia (UGA), 2Instituto de Biologia Experimental e Tecnológica, Instituto Tecnologia Química e Biológica UNL, Av. da República The cDNA microarray PtGen2 was developed for gene expression studies in loblolly pine, P. taeda, and other conifer species. Here, we show pre- and post-hybridization handling and washing techniques that can be used with this array to yield better consistency, reduced artifacts, and lower backgrounds.