Profile: GenHunter Corporation offers kits for identifying differentially expressed genes. We offer differential display kits & reagents and differential display gel apparatuses. We services include removal of DNA contamination; to automated, reproducible, fluorescent differential display, and finally subcloning & sequencing genes. Our GenHunter's EasyTransfer replica-plating device is used for efficient and uniform colony transfer for colony hybridization during reverse northern screening of positives in differential display, which features a locking ring that secures sterile velveteen squares onto the cylinder prior to replica plating.