Summary
The effect of host quantity and host quality on the evolution of phage lysis timing is analysed using marginal value theorem of optimal foraging theory. Both factors have been shown to strongly influence the latent period. A high host density selects for short latent period, which is the same result as previous investigators have found. A good host quality also promotes a short latent period. However, elasticity analysis shows that these two factors exert their influences under different sets of conditions. When host density is low, the host density is more important in determining the length of latent period, whereas when host density is high, the host quality is more important.
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Wang, IN., Dykhuizen, D.E. & Slobodkin, L.B. The evolution of phage lysis timing. Evol Ecol 10, 545–558 (1996). https://doi.org/10.1007/BF01237884
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DOI: https://doi.org/10.1007/BF01237884