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Table 1 QTLs detected with single QTL mapping. List of QTLs with an influence on fermentation parameters, the production of extracellular metabolites and volatile secondary metabolites that were detected with single QTL mapping

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

  Trait QTL name Chromosome Start position [bp] End position [bp] LOD Score
Fermentation parameters
8 CO2 production rate at t80% chr4@385.5 IV 1,134,839 1,173,812 4.77
9 CO2 production rate at t80% chr4@410.0 IV 1,198,692 1,246,959 3.69
  CO2 production rate at t80% chr10@241.5 X 717,987 726,938 4.67
20 Fermentation time t80% chr13@7.9 XIII 20,503 25,723 4.86
20 CO2 production rate at t80% chr13@7.9 XIII 20,503 25,723 3.81
Extracellular metabolites after 80% of the fermentation
2 Pyruvate yield chr2@172.5 II 507,274 527,387 3.54
8 G/F ratio chr4@386.5 IV 1,153,678 1,173,812 10.49
9 G/F ratio chr4@412.2 IV 1,205,742 1,243,242 5.49
10 Pyruvate yield chr7@20.4 VII 56,448 74,414 6.15
11 Pyruvate yield chr7@156.9 VII 463,981 503,880 3.75
14 Pyruvate yield chr9@58.7 IX 173,782 179,168 4.00
20 Pyruvate yield chr13@7.9 XIII 20,503 25,723 4.80
  Glycerol yield chr13@19.3 XIII 52,743 75,040 4.82
Volatile secondary metabolites after 80% of the fermentation
2 Ethyl butanoate chr2@166.4 II 488,757 506,771 3.96
  2-methylpropanoic acid chr3@26.1 III 62,518 111,639 3.96
  Ethyl 2-methylbutanoate chr4@71.3 IV 211,091 234,153 4.32
3 Ethyl 2-methylpropanoate chr4@82.9 IV 216,058 273,735 3.96
4 Methionol chr4@124.6 IV 365,865 380,035 4.37
4 3-methylbutyl acetate chr4@133.6 IV 376,106 407,166 4.37
4 2-methylbutyl acetate chr4@133.6 IV 397,927 407,166 5.86
5 2-phenylethyl acetate chr4@161.9 IV 455,335 505,548 6.17
5 3-methylbutyl acetate chr4@161.9 IV 455,335 505,548 4.57
5 2-methylbutyl acetate chr4@161.9 IV 478,242 505,548 6.75
6 Ethyl lactate chr4@175.0 IV 521,776 527,398 3.41
6 Propanoic acid chr4@177.5 IV 524,924 545,742 4.00
6 Propanol chr4@177.5 IV 527,398 539,089 5.19
6 Propyl acetate chr4@179.4 IV 527,398 560,742 3.61
10 Diethyl succinate chr7@15.0 VII 40,689 56,448 5.44
10 Ethyl 3-methylthiopropanoate chr7@25.5 VII 50,239 87,729 4.47
11 Ethyl lactate chr7@161.6 VII 458,995 518,880 3.97
  Dodecanoic acid chr7@175.5 VII 494,396 548,880 4.76
12 Dodecanoic acid chr7@195.5 VII 578,880 601,380 3.68
  2-phenylethyl acetate chr7@294.6 VII 853,536 885,989 4.14
17 Octanoic acid chr11@29.5 XI 77,969 117,578 3.99
17 Hexanoic acid chr11@29.5 XI 82,548 115,238 6.94
17 Ethyl hexanoate chr11@35.5 XI 97,410 115,238 5.43
17 Ethyl dodecanoate chr11@41.8 XI 115,238 145,211 4.29
17 2-phenylethyl acetate chr11@42.5 XI 125,453 132,044 4.29
18 2-methylpropyl acetate chr11@123.8 XI 366,406 391,690 6.63
18 2-methylpropanol chr11@127.6 XI 371,345 400,712 8.44
18 3-methylbutanol chr11@132.7 XI 380,437 403,181 3.56
18 2-methylpropanoic acid chr11@134.4 XI 400,712 405,331 4.64
  2-methylpropanol chr11@158.4 XI 470,852 477,578 3.80
19 Propyl acetate chr12@222.6 XII 662,035 699,182 4.83
19 Propanol chr12@226.9 XII 662,035 691,268 4.08
  Valeric acid chr13@102.0 XIII 296,288 312,983 5.87
21 Propanoic acid chr14@41.9 XIV 119,900 146,614 4.67
21 Propanol chr14@43.9 XIV 119,900 146,614 7.03
21 Propyl acetate chr14@46.9 XIV 124,114 150,370 6.19
21 Valeric acid chr14@48.9 XIV 125,823 150,370 7.72
  Propanoic acid chr14@58.9 XIV 160,420 185,626 3.83
  Valeric acid chr14@81.8 XIV 233,520 259,114 3.88
  Ethyl 3-methylbutanoate chr15@77.3 XV 212,898 239,482 3.76
22 Ethyl decanoate chr15@139.0 XV 409,364 431,700 3.97
22 Ethyl octanoate chr15@142.3 XV 414,810 438,628 5.02
23 3-methylbutanoic acid chr15@162.7 XV 485,607 511,993 4.29
23 2-phenylethyl acetate chr15@176.5 XV 511,993 545,871 3.56
  Diethyl succinate chr15@297.3 XV 879,033 901,450 4.46
  3-methylbutanoic acid chr16@191.9 XVI 552,371 593,439 3.83
25 Diethyl succinate chr16@303.9 XVI 899,570 920,003 4.08
25 Ethyl 3-methylbutanoate chr16@303.9 XVI 904,961 917,224 3.81
25 Ethyl 2-methylbutanoate chr16@304.1 XVI 904,961 917,224 3.79
  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 2) are indicated with superscript numbers in the left column of the table