The rice bacterial pathogen Xanthomonas oryzae pv. oryzae produces 3-hydroxybenzoic acid and 4-hydroxybenzoic acid via XanB2 for use in xanthomonadin, ubiquinone, and exopolysaccharide biosynthesis
Molecular plant-microbe interactions : MPMI (2013) - Comments
pubmed: 23718125  doi: 10.1094/mpmi-04-13-0112-r  issn: 0894-0282 

Lian Zhou, Tin-Wei Huang, Jia-Yuan Wang, Shuang Sun, Gongyou Chen, Alan Poplawsky, Ya-Wen He