linkedin post 2017-06-30 04:59:45

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INTRONS AND MICRO-RNA. "Introns as catalysts for de novo miRNA family origination in mammals. A detailed analysis revealed that 36%–65% of miRNA genes are overlapping with introns of protein-coding genes in the different species, although annotated introns only constitute ∼22%–45% of the entire genome. Introns may represent a natural place for the miRNA de novo formation." https://lnkd.in/dDg9xVY View in LinkedIn
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linkedin post 2017-07-01 04:40:14

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PROXIMITY. "Localized transmission often favours more prudent host exploitation strategies. Indeed, when epidemics are spatially structured, extreme strategies of host exploitation may lead to the over-exploitation of the local host supply and therefore fail to invade." https://lnkd.in/dvcWSUt View in LinkedIn
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linkedin post 2017-07-01 04:37:59

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LIFE CYCLE OF INFECTION. "We recently tested this idea using the bacteriophage λ in experimental epidemics spreading through well-mixed environments. We confirmed that more virulent strains are indeed selected for during early epidemics, when uninfected hosts are abundant, but also that natural selection favours latent strains of the virus as disease prevalence increases." https://lnkd.in/dvcWSUt View in LinkedIn
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linkedin post 2017-07-01 04:32:17

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NATURAL BRAKES. "Decreased availability of susceptible hosts weakens selection for higher transmission rates. Ultimately, this may select for intermediate evolutionarily stable strategies, balancing the benefit (transmission) and the cost (virulence: induced host mortality) of host exploitation." https://lnkd.in/dvcWSUt View in LinkedIn
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