TY - GEN AU - Ochman,H AU - Moran,N A TI - Genes lost and genes found: evolution of bacterial pathogenesis and symbiosis SN - 0036-8075 PY - 2001///0531 KW - Animals KW - Bacteria KW - genetics KW - Bacterial Infections KW - microbiology KW - Biological Evolution KW - Gene Transfer, Horizontal KW - Genes, Bacterial KW - Genome, Bacterial KW - Mutation KW - Symbiosis KW - Virulence N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1126/science.1058543 ER -