Tag Archives: virulence

Plague, rats and fleas

Arthropod-borne transmission of bacterial pathogens is somewhat rare but has evolved in a phylogenetically diverse group that includes the rickettsiae, Borrelia spirochetes, and the gram-negative bacteria Francisella tularensis and Yersinia pestis, the plague bacillus. Y. pestis circulates among many species … Continue reading

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Color me bad – microbial pigments as virulence factors

Colors are vital to the sensing of the environment and have evolved in higher living organisms to guide their interactions with others. For example, it is well appreciated that many birds exhibit brightly colored plumage to attract members of the … Continue reading

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Happy Birthday PLoS Pathogens

PLoS Pathogens is two years old, and to celebrate, they’ve just published a list of the top ten papers downloaded from September 2005 to July 2007, so if you need to catch up on your reading: Carrageenan Is a Potent … Continue reading

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