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Rate and effects of spontaneous mutations that affect fitness in mutator Escher...
Gordo, I.; Perfeito, L.; Trindade, S.Knowledge of the mutational parameters that affect the evolution of organisms is of key importance in understanding the evolution of several characteristics of many natural populations, including recombination and mutation rates. In this study, we estimated the rate and mean effect of spontaneous mutations that affect fitness in a mutator strain of Escherichia coli and review some of the estimation methods asso...
Positive epistasis drives the acquisition of multidrug resistance
Trindade, S.; Sousa, A.; Xavier, K.B.; Dionísio, F.; Ferreira, M.G.; Gordo, I.The evolution of multiple antibiotic resistance is an increasing global problem. Resistance mutations are known to impair fitness, and the evolution of resistance to multiple drugs depends both on their costs individually and on how they interact--epistasis. Information on the level of epistasis between antibiotic resistance mutations is of key importance to understanding epistasis amongst deleterious alleles, ...
Positive Epistasis Drives the Acquisition of Multidrug Resistance
Trindade, S.; Sousa, A.; Xavier, KB.; Dionisio, F.; Ferreira, MG.; Gordo, I.The evolution of multiple antibiotic resistance is an increasing global problem. Resistance mutations are known to impair fitness, and the evolution of resistance to multiple drugs depends both on their costs individually and on how they interact-epistasis. Information on the level of epistasis between antibiotic resistance mutations is of key importance to understanding epistasis amongst deleterious alleles, a...
Positive Epistasis Drives the Acquisition of Multidrug Resistance
Trindade, S.; Sousa, A.; Xavier, KB.; Dionisio, F.; Ferreira, MG.; Gordo, I.The evolution of multiple antibiotic resistance is an increasing global problem. Resistance mutations are known to impair fitness, and the evolution of resistance to multiple drugs depends both on their costs individually and on how they interact-epistasis. Information on the level of epistasis between antibiotic resistance mutations is of key importance to understanding epistasis amongst deleterious alleles, a...
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