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Fig. 6 | BMC Genomics

Fig. 6

From: Genome-wide investigation and expression analyses of the pentatricopeptide repeat protein gene family in foxtail millet

Fig. 6

Diagram showing approximate times of duplication and divergence of the plants in this study. (a) Evolutionary relationships and approximate times of divergence of the six species in land plants [1, 75]. (b) The time of duplication and divergence of PPR genes in foxtail millet and the orthologous gene-pairs of SiPPR genes with those of other species: moss, Selaginella, Arabidopsis, rice and maize. Tandem duplication time (TDT) and segmental duplication time (SDT) of SiPPR genes were estimated to have occurred around 2123.51 Mya and 447.23 Mya, respectively

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