Abstract
Bugs split to attack and gamble to survive.
Highlights
The monkey carrying the pole finds it quite hard and is normally very tired by the end of the day; over the years, he wonders whether it’s worth the hassle
Selected PLOS Biology research articles are accompanied by a synopsis written for a general audience to provide non-experts with insight into the significance of the published work
A paper just published in PLOS Biology by Markus Arnoldini, Martin Ackermann, and colleagues adds a biologically intriguing and potentially clinically important twist to this touching tale of cooperation in Salmonella
Summary
The monkey carrying the pole finds it quite hard and is normally very tired by the end of the day; over the years, he wonders whether it’s worth the hassle. One obvious way in which diversity of phenotype can yield dividends is by allowing specialization: ‘‘division of labor.’’ The unpleasant human pathogen Salmonella Typhimurium is one bug that’s already known to do this; a small proportion of a genetically identical horde of invading bacteria express high levels of virulence factors called ttss-1, while the majority produce only low levels.
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