ERIC profiles of selected acetic acid bacterial strains from rice vinegar. Lanes 1 and 20, PCR markers (Novagen); Lanes 2 to 19, strains TN-106, TN-6, TN-9, TN-12, TN-70, TN-71, TN-21, TN-23, TN-27, TN-117, TN-118, TN-119, TN-96, TN-98, TN-193, TN-195, TN-1, and TN-2, respectively.