Identification and functional evaluation of the reductases and dehydrogenases from Saccharomyces cerevisiae involved in vanillin resistance

Table 2 Maximum specific growth rate and ethanol yield of recombinant strains^a

Strains^b	SD medium		SD with 1 g L⁻¹ vanillin
Strains^b	μ_max (h⁻¹)	Ethanol yield (g g⁻¹)	μ_max (h⁻¹)^c	Ethanol yield (g g⁻¹)	Vanillin specific reduction rate (g g⁻¹ h⁻¹)
BSJP3	0.435 ± 0.009	0.400 ± 0.009	0.061 ± 0.001	0.340 ± 0.020	0.065 ± 0.002
ADH6	0.388 ± 0.032	0.390 ± 0.002	0.169 ± 0.001**	0.425 ± 0.003	0.584 ± 0.003**
YNL134C	0.420 ± 0.004	0.382 ± 0.004	0.070 ± 0.001**	0.380 ± 0.014	0.066 ± 0.000
YJR096W	0.424 ± 0.007	0.388 ± 0.007	0.072 ± 0.001**	0.379 ± 0.009	0.064 ± 0.001
ALD6	0.406 ± 0.013	0.363 ± 0.013	0.076 ± 0.002**	0.330 ± 0.001	0.052 ± 0.001*
ZWF1	0.405 ± 0.007	0.398 ± 0.007	0.065 ± 0.003*	0.347 ± 0.013	0.082 ± 0.003*

^aThe data were show as mean ± standard deviation
^bThe gene names here represent the strains overexpressing the gene. BSJP3 contains the empty vector and was used as the reference strain
^c **: p < 0.01; *: p < 0.1

ISSN: 1472-6750