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Table 2 Summary of the quantitative trait loci (QTL) detected using the maize IBM population evaluated in a Fe-deficient nutrient solution, where Chr. is the chromosome, Pos. the position in centi Morgan on the genetic map, Add. the additive effect, %r 2 the percentage of the explained phenotypic variance, and genetic map interval in centi Morgan of the flanking markers with corresponding physical map interval including the number of genes in the corresponding QTL confidence interval according to the filtered gene set B73 RefGen_v2

From: The genetic basis of natural variation for iron homeostasis in the maize IBM population

Trait QTL Chr. Pos. (cM) Add. %r2 Interval (cM) Flanking markers Physical map interval Genes
SP3 1 1 556.0 1.5 1.7 553.6 - 557.6 umc1748 - bnlg1615 191,860,023 - 192,968,163 17
SP3 2 2 524.0 3.1 8.3 523.5 - 529.2 umc1604 - bnlg1316 211,345,382 - 212,352,714 29
SP3 3 4 226.0 0.2 < 0.1 225.7 - 228.4 umc1963 - umc1652 26,437,539 - 27,757,462 22
SP3 4 4 240.0 3.1 2.8 237.8 - 245.5 bnlg490 - agrr301 31,323,581 - 40,458,411 186
SP3 5 7 252.0 4.1 13.7 249.1 - 252.4 umc1929 - umc1787 105,804,341 - 110,057,749 42
SP3 6 8 464.0 4.1 15.0 460.8 - 464.0 bnlg1065 - rz538a 165,689,209 - 166,244,750 20
SP3 7 9 206.0 -1.5 0.9 204.4 - 208.5 ufg71 - mmp170b 25,825,748 - 26,709,137 19
SP3 8 9 222.0 4.2 7.2 220.7 - 223.9 psr160c - rz273c 26,822,048 - 49,039,937 292
     Total 59.4           
SP4 1 1 834.0 6.1 21.9 833.0 - 839.3 chrom7 - glb1 256,342,909 - 257,540,930 26
SP4 2 4 278.0 4.1 5.8 277.8 - 279.9 psr152b - nnr1 46,450,572 - 65,900,096 202
SP4 3 4 300.0 0.2 < 0.1 299.9 - 300.2 bnlg1755 - mmp45 118,324,214 - 135,333,950 173
SP4 4 8 194.0 -3.2 6.3 191.0 - 194.1 mmp120 - mmp72 23,404,908 - 60,338,399 367
     Total 40.1           
SP5 1 1 690.0 -4.6 10.3 685.2 - 690.5 lim442 - mmp189 214,921,545 - 219,064,269 68
SP5 2 1 838.0 8.4 34.0 833.0 - 839.3 chrom7 - glb1 256,342,909 - 257,540,930 26
SP5 3 4 238.0 5.1 14.0 237.8 - 245.5 bnlg490 - agrr301 31,323,581 - 40,458,411 186
     Total 49.4           
SP6 1 1 690.0 -3.8 4.9 685.2 - 690.5 lim442 - mmp189 214,921,545 - 219,064,269 68
SP6 2 1 714.0 -2.3 1.7 711.5 - 714.4 umc1128 - umc1147 224,265,940 - 224,970,667 18
SP6 3 1 830.0 7.7 27.7 825.8 - 833.0 rz403 - chrom7 255,041,502 - 257,540,930 53
SP6 4 4 238.0 5.2 14.1 237.8 - 245.5 bnlg490 - agrr301 31,323,581 - 40,458,411 186
     Total 44.2           
RL 1 3 452.0 -6.9 18.0 451.5 - 452.7 jpsb79 - umc60 180,725,934 - 180,867,611 4
     Total 18.0           
RW 1 1 824.0 0.5 0.8 821.5 - 825.8 csu696 - rz403 253,570,111 - 256,342,908 57
RW 2 1 846.0 0.8 1.9 839.3 - 847.3 glb1 - csu222a 256,342,909 - 261,572,322 145
RW 3 5 74.0 1.3 12.6 73.3 - 74.4 mmp43 - bnl7.21c 3,727,289 - 3,810,656 6
RW 4 5 412.0 1.2 11.0 410.8 - 413.6 umc1155 - csu173 180,186,573 - 181,568,742 33
RW 5 7 148.0 0.7 3.7 132.0 - 148.5 asg34a - gta101a 14,027,268 - 14,698,304 10
RW 6 7 290.0 0.9 5.9 288.9 - 298.4 umc116a - umc1713 127,039,567 - 129,866,479 59
RW 7 8 194.0 -0.9 6.7 191.0 - 194.1 mmp120 - mmp72 23,404,908 - 60,338,399 367
     Total 58.9           
SL 1 1 840.0 2.4 9.6 839.3 - 847.3 glb1 - csu222a 256,342,909 - 261,572,322 145
     Total 9.6           
SDW 1 1 888.0 0.3 11.1 887.5 - 890.9 cdo122a - AY110019 263,205,925 - 270,965,223 186
SDW 2 4 238.0 0.3 11.9 237.8 - 245.5 bnlg490 - agrr301 31,323,581 - 40,458,411 186
SDW 3 7 164.0 0.1 0.4 162.4 - 167.4 AY105589 - npi600 17,029,068 - 21,464,802 82
SDW 4 7 174.0 -0.1 < 0.1 170.8 - 178.0 crt2 - AY110473 24,318,258 - 50,154,299 312
SDW 5 7 184.0 0.3 1.4 183.7 - 184.4 uaz187 - mmp26 50,078,806 - 50,149,169 3
     Total 34.6           
H2O 1 2 370.0 -0.3 8.0 369.3 - 373.5 umc1079 - bnlg1036 152,207,394 - 163,566,033 150
H2O 2 4 272.0 -0.4 8.8 271.4 - 274.7 umc1964 - AY110290 42,102,039 - 46,621,469 69
H2O 3 4 300.0 -0.1 0.9 299.9 - 300.2 bnlg1755 - mmp45 118,324,214 - 135,333,950 173
H2O 4 9 138.0 0.3 0.8 131.1 - 139.0 omt2 - mmp162 15,578,721 - 18,071,240 91
H2O 5 9 146.0 -0.7 1.7 142.6 - 147.5 bnlg244 - bnlg1401 18,040,440 - 18,071,240 0
H2O 6 9 150.0 0.6 2.0 147.5 - 153.0 bnlg1401 - mmp77 18,561,278 - 18,607,113 0
H2O 7 9 164.0 0.1 0.6 162.5 - 170.4 mmp30 - umc1698 16,660,671 - 20,791,656 146
     Total 35.9           
SDW/SL 1 8 466.0 < 0.1 14.4 464.0 - 466.5 rz538a - umc1607 165,636,122 - 166,188,782 20
     Total 14.4           
BTR 1 1 672.0 -1.1 7.3 670.2 - 685.2 umc23a - lim442 212,899,665 - 219,195,665 110
BTR 2 1 836.0 1.9 20.9 833.0 - 839.3 chrom7 - glb1 256,342,909 - 257,540,930 26
BTR 3 8 156.0 1.0 6.4 153.3 - 156.6 umc1974 - psr598 16,722,932 - 18,272,098 35
     Total 36.7           
LAT 1 8 188.0 -0.8 11.8 179.5 - 191.0 umc1530 - mmp120 22,245,756 - 25,351,500 59
     Total 11.8           
NEC 1 1 208.0 -0.8 19.0 205.0 - 208.5 lim122 - umc1073 27,398,858 - 32,868,895 125
NEC 2 2 90.0 0.6 12.6 87.8 - 90.3 BE640649 - npi421a 6,474,435 - 6,534,813 1
     Total 24.0           
  1. Total is the percentage of the phenotypic variation explained by all QTL for a trait in a simultaneos fit.