Fig. 4From: Fecal DNA isolation and degradation in clam Cyclina sinensis: noninvasive DNA isolation for conservation and genetic assessmentAgarose gel electrophoresis of DNA isolated from clam feces under different soaking times and environmental temperatures. Samples stored at 28°C(a), 15°C(b), and 4°C(c). Lane M, DNA marker; lane N, negative control; lane. F, foot DNA of clam; lanes 1–12, fecal DNA.Back to article page