Fig. 2From: Genome-wide investigation and expression analyses of the pentatricopeptide repeat protein gene family in foxtail milletRelative proportions of intron-containing PPR genes in Selaginella and foxtail millet. Proportions were colored as: no introns (nattier blue), 1 intron (carnation), 2–5 introns (fluorescence green), and 6 or more introns (lavender)Back to article page