Fig. 4From: Metabolic regulation of ethanol-type fermentation of anaerobic acidogenesis at different pH based on transcriptome analysis of Ethanoligenens harbinenseDifferential gene expression (DEGs) volcano plot of E. harbinense under different initial pH conditions. The colors of DEGs represent the following: significantly up-regulated (red), significantly down-regulated (blue), and unregulated (gray)Back to article page