This study demonstrated that strain PD630 can tolerate low concentration of five model inhibitory compounds. Furthermore, strain PD630 can use vanillic acid and TPCA for cell growth and TAG accumulation. Though vanillin can be used as carbon source, TAGs are unable to be accumulated. While strain PD630 cannot use furfural and 5-HMF as carbon sources, the strain can degrade them cometabolically. Importantly, strain PD630 is able to grow rapidly on the hydrolysates of grass, corn stover and sorghum while accumulating TAGs. These results indicate that it is possible to culture the oleaginous strain PD630 on lignocellulosic biomass for biodiesel production.
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