In article <2AC3B02E01B938D9 at office.mmc.org>, varyc.mmcri at OFFICE.MMC.ORG (Varyc) writes: Yes, I think that using the Promega miniprep kit is the best DNA, it works very well and is relatively cheap. Qiagen is nice too but I like Promega, both are alkaine lysis, so it is your preference, good luck andy kravetz at sluvca.slu.edu