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Table 2 QTLs detected with double and multiple QTL mapping. QTLs with an influence on fermentation parameters and the production of extracellular metabolites and volatile secondary metabolites that were additionally detected with double and multiple QTL searches

From: QTL mapping of volatile compound production in Saccharomyces cerevisiae during alcoholic fermentation

  Trait QTL name Chromosome Peak [bp] LOD Score
  Diethyl succinate chr1@64.7 I 194,100 4.23
1 Ethyl 2-methylbutanoate chr2@116.2 II 348,600 4.13
1 Hexanoic acid chr2@122.1 II 366,300 2.54
2 Ethyl lactate chr2@181.0 II 543,000 4.78
  Ethyl 2-methylpropanoate chr3@78.8 III 236,400 2.84
3 Pyruvate yield chr4@91.9 IV 275,730 2.39
3 Ethyl butanoate chr4@92.0 IV 275,985 3.63
4 Ethyl hexanoate chr4@132.0 IV 396,000 2.59
5 2-methylpropyl acetate chr4@165.8 IV 497,400 2.42
6 Diethyl succinate chr4@175.0 IV 525,000 2.99
6 Ethyl octanoate chr4@175.0 IV 525,000 2.14
  Dodecanoic acid chr4@298.0 IV 894,000 4.60
  Valeric acid chr4@324.9 IV 974,700 2.50
7 2-methylpropanol chr4@348.9 IV 1,046,700 3.36
7 3-methylbutanol chr4@348.9 IV 1,046,730 3.66
9 Pyruvate yield chr4@411.9 IV 1,235,730 2.54
  G/F ratio chr6@62.0 VI 186,000 3.90
  Ethyl 3-methylbutanoate chr6@85.2 VI 255,600 4.14
12 Decanoic acid chr7@198.0 VII 594,000 3.65
13 2-methylpropyl acetate chr9@16.9 IX 50,700 2.09
13 Dodecanoic acid chr9@17.6 IX 52,800 3.20
  2-methylbutyl acetate chr9@32.6 IX 97,800 1.75
14 Dry weight chr9@60.0 IX 180,066 3.67
14 Ethyl propanoate chr9@67.5 IX 202,500 2.88
14 Propanol chr9@67.5 IX 202,500 1.85
  2-phenylethyl acetate chr9@101.1 IX 303,300 2.25
  Propyl acetate chr10@27.2 X 81,600 1.53
15 Ethyl hexanoate chr10@61.3 X 183,900 2.97
15 Hexanoic acid chr10@61.3 X 183,900 2.78
  Ethyl octanoate chr10@88.5 X 265,500 5.24
  Propanol chr10@104.7 X 314,100 2.08
16 2-methylpropanol chr10@213.1 X 639,300 2.29
16 2-methylpropyl acetate chr10@221.7 X 665,100 4.04
16 2-methylbutyl acetate chr10@228.1 X 684,300 2.34
16 3-methylbutyl acetate chr10@228.8 X 686,400 2.97
17 Decanoic acid chr11@29.2 XI 87,600 3.95
17 Ethyl decanoate chr11@34.2 XI 102,438 2.65
17 t80% chr11@43.2 XI 129,600 3.10
17 Ethyl octanoate chr11@51.7 XI 155,100 4.95
  Glycerol yield chr11@70.0 XI 210,000 2.72
  G/F ratio chr11@85.6 XI 256,800 2.65
  Ethyl propanoate chr11@107.7 XI 323,100 3.78
18 3-methylbutanoic acid chr11@134.4 XI 403,170 3.68
  2-methylpropyl acetate chr12@98.3 XII 294,900 3.15
  Ethyl 2-methylbutanoate chr12@123.8 XII 371,400 3.34
  Ethyl propanoate chr12@139.6 XII 418,800 3.67
  CO2 production rate at t80% chr12@257.3 XII 771,900 2.47
  2-methylpropanol chr12@317.1 XII 951,300 3.08
  G/F ratio chr13@164.5 XIII 493,500 4.99
  Propyl acetate chr13@248.3 XIII 744,900 2.11
  2-phenylethyl acetate chr13@304.0 XIII 912,000 2.55
21 Dodecanoic acid chr14@36.3 XIV 108,900 4.69
  Ethyl 3-methylthiopropanoate chr14@227.0 XIV 681,000 3.42
22 2-phenylethanol chr15@132.0 XV 396,000 1.62
23 2-methylbutyl acetate chr15@172.0 XV 516,000 2.55
  Ethyl hexanoate chr15@265.4 XV 796,200 4.47
  Ethyl 3-methylbutanoate chr15@304.4 XV 913,200 2.77
  2-methylpropanoic acid chr15@314.4 XV 943,200 2.95
  2-phenylethyl acetate chr15@352.0 XV 1,056,000 2.85
24 2-methylpropanol chr16@13.8 XVI 41,400 4.06
24 2-methylbutyl acetate chr16@16.4 XVI 49,200 2.78
24 G/F ratio chr16@18.3 XVI 54,900 2.75
  Valeric acid chr16@116.5 XVI 349,500 2.04
25 Ethyl lactate chr16@304.0 XVI 912,000 7.00
  1. Single traits that are influenced by the same QTL (under the condition that the distance between detected peaks is less than 10 cM; in combination with Table 1) are indicated with superscript numbers in the left column of the table