Fig. 5From: SIRT1-dependent modulation of methylation and acetylation of histone H3 on lysine 9 (H3K9) in the zygotic pronuclei improves porcine embryo developmentThe effect of sirtinol on H3K9 methylation and acetylation in zygotic pronuclei. a Fluorescent signal intensities relative to vehicle control (= 1) and b representative images of H3K9me3 and H3K9ac in both pronuclei. *#Significant differences between control and treated group (P ≤ 0.05). Asterisk indicates paternal pronucleus. Scalebar represents 25 μmBack to article page