QTL mapping of the production of wine aroma compounds by yeast

Steyer, Damien; Ambroset, Chloe; Brion, Christian; Claudel, Patricia; Delobel, Pierre; Sanchez, Isabelle; Erny, Claude; Blondin, Bruno; Karst, Francis; Legras, Jean-Luc

doi:10.1186/1471-2164-13-573

BMC Genomics

Table 3 Effects of the different alleles of the ABZ1 gene on the concentrations of several fermentation compounds (relative units)

From: QTL mapping of the production of wine aroma compounds by yeast

Compounds	S288C ABZ1			59A ABZ1			p-value
Isoamylacetate	0.521	±	0.015	1.011	±	0.045	0.006
farnesyl acetate	0.439	±	0.013	0.780	±	0.046	0.006
Isoamyl octanoate	0.057	±	0.005	0.060	±	0.006	0.729
Isoamyl decanoate	0.076	±	0.001	0.092	±	0.004	0.048
Ethyl hexanoate	0.510	±	0.005	0.459	±	0.011	0.060
Ethyl octanoate	3.349	±	0.107	2.613	±	0.065	0.006
Ethyl decanoate	3.846	±	0.065	4.317	±	0.055	0.028
Ethyl dodecanoate	0.709	±	0.005	1.334	±	0.057	0.006
Ethyl myristate	0.035	±	0.001	0.060	±	0.002	0.002
Ethyl hexadecanoate	0.205	±	0.020	0.328	±	0.015	0.040
Ethyl octadecanoate	0.068	±	0.013	0.085	±	0.012	0.399
Ethyl 9-decenoate	0.011	±	0.000	0.010	±	0.001	0.738
Ethyl 4-hydroxybutanoate	0.017	±	0.001	0.038	±	0.007	0.090
Ethyl 3-hydroxyoctanoate	0.052	±	0.004	0.039	±	0.002	0.086
Ethyl 3-hydroxydecanoate	0.133	±	0.010	0.086	±	0.011	0.008
Ethyl 9-hexadecenoate	0.142	±	0.015	0.456	±	0.010	0.002
2-phenylethyl acetate	0.221	±	0.011	0.599	±	0.022	0.015
2-phenylethyl hexanoate	0.035	±	0.002	0.031	±	0.002	0.001
2-phenylethyl octanoate	0.011	±	0.001	0.022	±	0.005	0.004
Acetic acid	0.069	±	0.004	0.059	±	0.023	0.016
Octanoic acid	0.450	±	0.018	0.558	±	0.049	0.034
Decanoic acid	1.671	±	0.068	2.092	±	0.095	0.067
Dodecanoic acid	0.474	±	0.030	0.823	±	0.018	0.013
methyl Oleate	0.172	±	0.012	0.445	±	0.020	0.014
isobutanol	1.508	±	0.327	1.230	±	0.067	0.408
isoamyl alcohol	17.440	±	1.703	20.582	±	0.238	0.150
1-octanol	0.031	±	0.001	0.042	±	0.003	0.036
2-phenyl ethanol	4.435	±	0.369	7.201	±	0.238	0.003
Nerolidol	1.318	±	0.105	1.428	±	0.053	0.334
2,3-dihydrofarnesol	3.245	±	0.396	2.895	±	0.220	0.411
farnesol	3.948		0.220	2.361	±	0.087	0.006
Trans-β-farnesene	0.057	±	0.005	0.060	±	0.006	0.623
Trans-α-farnesene	0.034	±	0.003	0.037	±	0.006	0.609
Cis-β-farnesene	0.036	±	0.005	0.043	±	0.007	0.387
Cis-bisabolene	0.006	±	0.001	0.007	±	0.001	0.372

Compounds whose concentration varies significantly are given in bold. Mean of 3 triplicates +/- standard deviation.

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ISSN: 1471-2164

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