Fitzpatrick, David A Evidence of positive Darwinian selection in Omp85, a highly conserved bacterial outer membrane protein essential for cell viability. [electronic resource] - Journal of molecular evolution Feb 2005 - 268-73 p. digital Publication Type: Journal Article ISSN: 0022-2844 Standard No.: 10.1007/s00239-004-0194-5 doi Subjects--Topical Terms: Bacterial Outer Membrane Proteins--chemistryConserved SequenceDeltaproteobacteria--classificationEvolution, MolecularLikelihood FunctionsModels, MolecularPhylogenyRecombination, GeneticSelection, Genetic