TY - GEN AU - Zhang,Jianzhi TI - Positive selection, not negative selection, in the pseudogenization of rcsA in Yersinia pestis SN - 1091-6490 PY - 2008///1118 KW - Bacterial Proteins KW - genetics KW - Evolution, Molecular KW - Genes, Bacterial KW - Pseudogenes KW - Selection, Genetic KW - Yersinia pestis N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1073/pnas.0806419105 ER -