Microarray Evaluation of Antimicrobial Resistance and Virulence of Escherichia coli Isolates from Portuguese Poultry

The presence of antimicrobial resistance read more and virulence factors of 174 Escherichia coli strains isolated from healthy Portuguese Gallus gallus was evaluated.Resistance profiles were determined against 33 antimicrobials by microbroth dilution.Resistance was prevalent for tetracycline (70%) and ampicillin (63%).Extended-spectrum beta-lactama

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Evolution of predator dispersal in relation to spatio-temporal prey dynamics: how not to get stuck in the wrong place!

The eco-evolutionary dynamics of dispersal are recognised as key in determining the responses of populations to environmental changes.Here, by developing a novel modelling approach, we show that predators are likely to have evolved to emigrate more often and become more selective over their destination patch when their prey species exhibit read mor

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