Frankia meridionalis Nguyen et al. 2019 Nguyen T.V. Wibberg D. Vigil-Stenman T. Berckx F. Battenberg K. Demchenko K.N. Blom J. Fernandez M.P. Yamanaka T. Berry A.M. Kalinowski J. Brachmann A. Pawlowski K. Frankia-Enriched Metagenomes from the Earliest Diverging Symbiotic Frankia Cluster: They Come in Teams. 2019 11 8 2273 2291 Genome Biology and Evolution Genome Biol Evol 1759-6653 10.1093/gbe/evz153 31368478