Fig. 1From: Detailed observation on expression dynamics of Polycomb group genes during rice early endosperm development in subspecies hybridization reveals their characteristics of parent-of-origin genesThe expression of PcG genes in endosperm confirmed by RT-PCR. Distinction between OsEMF2a(l) and OsEMF2a(s) based on different amplification primers and sequencing primers (See Additional file 1: Table S1)Back to article page