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Fig. 2 | BMC Plant Biology

Fig. 2

From: Genome-wide identification of the peptide transporter family in rice and analysis of the PTR expression modulation in two near-isogenic lines with different nitrogen use efficiency

Fig. 2

Distribution of PTR genes in 8 plant species. a Neighbor-joining tree of 259 PTR genes in Nipponbare, R498 and Oryza glaberrima, theese genes classified into 8 groups. The different-colored arcs indicate different groups. Group I, II, III, IV, V, VI, VI, VII andVII contain 29, 73, 17, 46, 15, 23, 11 and 45 genes. b Neighbor-joining tree of 543 PTR genes in rice, maize, sorghum, peanut, soybean and Arabidopsis, theese genes classified into 4 groups. Group I, II, III and IV contain 140, 87, 135 and 181 genes. Group III contains the most PTR genes of monocots, and group IV had the most PTR genes in dicots. The scale bar indicates the simple matching distance

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