Research Article

A Seamless Gene Deletion Method and Its Application for Regulation of Higher Alcohols and Ester in Baijiu Saccharomyces cerevisiae

Table 3

The alcohol and residual sugar content fermented by the parental strain and engineered strains .

StrainsAlcohol content (%, v/v)Residual sugar (g/L)Total acids (g/L)Total esters (g/L)

α516.03 ± 0.152.04 ± 0.120.093 ± 0.0120.705 ± 0.009
Hα516.12 ± 0.112.88 ± 0.100.100 ± 0.0150.629 ± 0.011
Hα5::ATF115.67  ± 0.103.01 ± 0.080.075  ± 0.0101.490  ± 0.015

Data are the average of three independent experiments ± the standard deviation. Significant difference of Hα5::ATF1 from the parental strain was confirmed by Student’s t-test (P < 0.05, n = 3).