Fig. 2From: Enhanced biohydrogen production from cotton stalk hydrolysate of Enterobacter cloacae WL1318 by overexpression of the formate hydrogen lyase activator geneExpression of the fhlA gene in E. cloacae WL1318. a SDS‑PAGE gel was stained with Coomassie Brilliant Blue. b Western blot analysis of the expression of the fhlA‑encoded protein using anti-6 × His tag antibody. WT: the wild-type strain, RT: the recombinant strain; the numbers denote molecular masses in kDaBack to article page