- Xanthomonas campestris pv. campestris lpsI and lpsJ genes encoding putative proteins with sequence similarity to the alpha- and beta-subunits of 3-oxoacid CoA-transferases are involved in LPS biosynthesis. Steinmann, D., Köplin, R., Pühler, A., Niehaus, K. Arch. Microbiol. (1997)