Burkholderia holtzii Lemaire et al. 2011 Lemaire B. Vandamme P. Merckx V. Smets E. Dessein S. Bacterial leaf symbiosis in angiosperms: host specificity without co-speciation. 2011 6 9 e24430 e24430 PLoS One 1932-6203 10.1371/journal.pone.0024430 21915326 Lemaire et al. 2011 supplied sequence data for only the recA and gyrB genes.