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giovedì 19 ottobre 2017

# gst: cooperating vs self-serving bacteria in transitional (noise) scenarios

AA << study a well-mixed, finite population consisting of two strains competing for the limited resources provided by an environment that randomly switches between states of abundance and scarcity >>

AA << consider two scenarios—one of pure resource competition, and one in which one strain provides a public good—and investigate how environmental randomness (external noise) coupled to demographic (internal) noise determines the population’s fixation properties and size distribution >>

Karl Wienand, Erwin Frey, Mauro Mobilia. Evolution of a Fluctuating Population in a Randomly Switching Environment. Phys. Rev. Lett. 119, 158301 Oct 11, 2017

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.119.158301

AA << showed that a randomly changing environment can create a level playing field between self-serving bacteria and bacteria that work together >>

<< Cooperating bacterial populations are more likely to survive in changing habitats >>

Fluctuating environments can help cooperating bacteria. Oct 12, 2017

https://m.phys.org/news/2017-10-fluctuating-environments-cooperating-bacteria.html

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