Coevolution of bacteria and phage: Are there endless cycles of bacterial defenses and phage counterdefenses?*
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Cited by (57)
The Biology of CRISPR-Cas: Backward and Forward
2018, CellCitation Excerpt :The term “arms race” has be used to describe the relationship between prokaryotes and phages and implies they are engaged in incessant adaptation and counter-adaptation of defense and offense strategies. However, in many circumstances, it seems that phage and bacterial populations coexist and exhibit stable fluctuations without extensive antagonistic coevolution (Hall et al., 2011; Koskella and Brockhurst, 2014; Lenski, 1984; Lenski and Levin, 1985). In this section, we discuss factors influencing the reciprocal regulation of CRISPR-Cas and the ecology of phage-host interactions.
Contemporary Phage Biology: From Classic Models to New Insights
2018, CellCitation Excerpt :Phages, on the other hand, must change their own receptor-binding proteins (typically located on their tail fibers) to match the mutated receptor or to adsorb to a new target (Rodriguez-Valera et al., 2009). Cycles of receptor mutations and counter mutations were long appreciated as major facilitators of bacteria-phage coevolution (Lenski, 1984), but recent discoveries show that both phages and bacteria do not rely solely on passive mutations to survive in this arms race. An intriguing mechanism for phage tail fiber hyper-diversification is encoded by diversity-generating retroelements (DGRs), which were first discovered in the temperate phage BPP-1 infecting Bordetella (Doulatov et al., 2004).
Modeling the synergistic elimination of bacteria by phage and the innate immune system
2017, Journal of Theoretical BiologyCitation Excerpt :The elimination of a bacterial population by phage is not inevitable, even if phage can eliminate a targeted bacterial population given suitably chosen strains and initial conditions. Indeed, in vitro experiments (Chao et al., 1977; Dennehy, 2012; Lenski, 1984; Levin et al., 1977) and ecological models (Campbell, 1961; Levin et al., 1977; Weitz, 2015) of phage-bacteria systems predict broad regimes of coexistence among phage and bacteria populations. In many instances, co-culturing of phage and bacteria together leads to the emergence of resistant host strains and the elimination of the phage population (Dennehy, 2012; Meyer et al., 2012).
Prediction of Listeria monocytogenes ATCC 7644 growth on fresh-cut produce treated with bacteriophage and sucrose monolaurate by using artificial neural network
2017, LWTCitation Excerpt :The use of this lytic phage at same concentration has been reported in raw catfish fillets stored at 4, 10 and 22 °C for 10 days, where the level of bacterial inactivation were similar in all the storage temperatures (Hald, 2012). This co-evolutionary attributes enhance the possibility of phages in response to emerging mutagenic changes commonly associated with opportunistic bacteria such as L. monocytogenes (Koskella & Brockhurst, 2014; Lenski, 1984). Variation in the output of phage treatment on both fresh produce could be attributed to differences in certain inherent factors such as ionic and pH condition of the two fresh-cut samples.
Eco-evolutionary dynamics. Experiments in a model system
2014, Advances in Ecological ResearchCitation Excerpt :In the following section, we summarise our current understanding of how differences in temporal resource heterogeneity, created by environmental variation and harvesting, influence the evolution of mite life histories and, in turn, how this evolution influences population dynamics. Debate on the role of genetic change in ecological dynamics is not new (Lenski, 1984; Pimentel, 1961; Pimentel and Stone, 1968; Pimentel et al., 1978; Wilcox and Maccluer, 1979), and it includes predictions of cyclic consumer-resource dynamics caused by evolution (Abrams and Matsuda, 1997; Lenski, 1984). It is only more recently that the search for the role of the gene in ecology has been termed ‘eco-evolutionary dynamics’.
Bacteriophages as Drivers of Evolution: An Evolutionary Ecological Perspective
2022, Bacteriophages as Drivers of Evolution: An Evolutionary Ecological Perspective
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NIH grant GM19848, to Bruce Levin, supported me during this work.