Figure 3From: Protocol: fine-tuning of a Chromatin Immunoprecipitation (ChIP) protocol in tomatoAssessment of chromatin quality. Non-crosslinked chromatin samples were digested for 20 min with 0, 2.5, 5, 10 and 20 units of micrococcal nuclease. M: 1-kb DNA ladder (MBI Fermentas, Inc.).Back to article page