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Table 2 Calculation of substitution rates of homologues SWEET genes between Saccharum spontaneum and Sorghum bicolor

From: New insights into the evolution and functional divergence of the SWEET family in Saccharum based on comparative genomics

  Gene pair S-Sites N-Sites Ka Ks Ka/Ks
Clade I SsSWEET1 Sb09g020860 105.1 644.9 0.0451 0.1673 0.2696
SsSWEET2 Sb03g032190 106.2 646.8 0.0613 0.3314 0.1851
SsSWEET3a Sb09g006950 73.1 643.9 0.096 0.2051 0.4679
SsSWEET3b Sb03g001520 83.1 648.9 0.0413 0.1782 0.232
Clade II SsSWEET4d Sb03g003470 159.7 420.2 0.5298 0.5749 0.9215
N/A Sb03g003480 N/A N/A N/A N/A N/A
SsSWEET4a Sb04g015420 203.5 573.5 0.0086 0.3632 0.0238
SsSWEET4b Sb04g012910 135.9 614.1 0.0095 0.267 0.0355
SsSWEET4c Sb04g012920 140.9 372.1 0.0233 0.3578 0.0652
SsSWEET5 Sb09g030270 113.5 654.5 0.0256 0.3868 0.0661
SsSWEET6 Sb03g027260 92.8 528.2 0.02 0.4329 0.0461
Clade III SsSWEET11a Sb07g026040 164.6 744.4 0.008 0.1685 0.0475
SsSWEET11b Sb02g029430 109.1 676.9 0.0291 0.1804 0.161
SsSWEET12 Sb01g035490 159.9 821.1 0.0186 0.1214 0.1535
SsSWEET13a Sb08g014040 148.2 775.8 0.0177 0.4333 0.0408
SsSWEET13b Sb08g013840 113.9 810.1 0.0484 0.4496 0.1077
SsSWEET13c Sb08g013620 108.8 707.2 0.0091 0.3827 0.0237
SsSWEET14 Sb05g018110 142.2 763.8 0.0443 0.4067 0.1089
SsSWEET15 Sb04g021000 161.9 741.1 0.0499 0.2817 0.1771
Clade IV SsSWEET16a Sb01g035840 109.8 844.2 0.037 0.2446 0.1512
SsSWEET16b Sb03g012930 102.9 386.1 0.0377 0.0916 0.4117