Correction to: Microb Cell Fact (2018) 17:107 https://doi.org/10.1186/s12934-018-0952-5

Upon publication of this article [1], it was brought to our attention that revised Fig. 1 supplied by the author during proof correction was unfortunately not presented in the original version of the article. The revised Fig. 1 is given in this erratum.

The original article has been corrected.

Fig. 1
figure 1

a Structures of some important flavones. b Predicted biosynthesis for C-glycosylated flavones from the common naringenin precursor. FNSI/II, flavone synthase 1 or 2; F2H, flavanone-2-hydroxylase; F3′H, flavanone-3′-hydroxylase CGT, C-glycosyltransferase. Broken line arrows represent hypothetical steps not demonstrated in this study. Equilibrium arrows indicate 2-hydroxylflavanones equilibrium with its open-circular form. Light grey arrows indicate the indirect C-glycosylation pathway and dark grey arrows shows the direct C-glycosylation pathway