Fig. 3From: Engineered Thermoanaerobacterium aotearoense with nfnAB knockout for improved hydrogen production from lignocellulose hydrolysatesNADH/NAD+ ratio in SCUT27 and SCUT27/∆nfnAB. Error bars indicate standard error of the mean (n = 3). NADH/NAD+ ratio: 6 h**, 9 h**, 12 h*Back to article page