Bacteriophages as Drivers of Evolution

Bacteriophages as Drivers of Evolution

An Evolutionary Ecological Perspective

Abedon, Stephen T.

Springer Nature Switzerland AG

05/2022

377

Dura

Inglês

9783030943080

15 a 20 dias

843

Descrição não disponível.
Part I. Introductions



1 Bacteriophages, a Brief Introduction



1.1 Introduction to Phages and Their Biology



1.2 Most Phages Lyse Their Hosts to Release Virion Progeny



1.3 Some Variations on the Concept of Lysogeny



1.4 Phage Infections Start with Adsorption



1.5 Some Phages Can Transport Bacterial DNA between Bacteria via Transduction



References



2 A Closer Overview of Phage Infections



2.1 Lytic Cycles Kill Bacteria but also Produce New Phage Virions



2.2 Some Vagaries of Lysogenic Cycles



2.3 Looking at Lysogenic Cycles from Ecological Perspectives



2.4 Looking at Lysogenic Cycles from Evolutionary Perspectives



2.5 Chronic Cycles Release New Phage Virions without Killing Host Bacteria



References



3 Evolution Biology Basics



3.1 Introduction to Evolution



3.2 The No-Evolution Default Assumption



3.3 Natural Selection and Darwinian Fitness: Relative and Absolute



References



4 Brief Introduction to Phage Ecology



4.1 Phage Organismal Ecology



4.2 Phage Population Ecology



4.3 Phage Community Ecology



4.4 Prophages Are at the Interface of Phage Population and Community Ecologies



4.5 Mobile Genetic Elements Parasitizing Phages



References



Part II. Mutation, Genetic Drift, and Non-Random Mating



5 Bacterial Mutation Associated with Phages: Insertion



5.1 Mutations, Mutants, Mutagenesis



5.2 Secondary Insertion Sites



5.3 For Phage Mu, Insertional Mutagenesis Is a Key Aspect of Its Infection Cycle



5.4 CRISPR Spacer Sequences Are and Are Not Insertion Mutations



References



6 Bacterial Mutation Associated with Phages: Deletions



6.1 Pseudogenes



6.2 Genomic Immunity against Prophages?



6.3 Evidence for the Existence of Genomic Immunity?



6.4 Just How Dangerous are Prophages?



6.5 Just How Dangerous Are Pseudogenes?



6.6 Bacterial Chromosomal Rearrangements and Prophages



References



7 Genetic Drift and Phages



7.1 Stochasticism versus Determinism



7.2 Sampling Error



7.3 Reduction of Bacterial Population Size: Genetic Bottlenecking



7.4 Potential Impact of Spatial Structure: Founder Effects



References



8 Phages and sexual Bacterial Populations



8.1 Introducing Some Natural Selection: Genetic Hitchhiking



8.2 Muller's Ratchet



References



9 Phage Impact on Non-Random Mating Among Bacteria



9.1 Transduction and Panmixis



9.2 Various Limitations on Random Mating



9.3 Bacterial Retention of Transduced DNA



9.4 What Happens If There Is No Horizontal Gene Transfer within Populations?



References



Part III. Genetic Migration



10 Genetic Migration and Phages



10.1 Phage-Mediated Introduction of New Alleles into Bacterial Populations



10.2 Assortative Mating Introduced by Phages



10.3 Reciprocal versus Non-reciprocal Transduction



10.4 Direct and Indirect Reciprocal Transduction



10.5 Stabilizing versus Disruptive Transduction



References



11 Reproductive Isolation and Its Violation by Phages



11.1 Barriers to Transduction as Defining Bacterial Species?



11.2 Zones of Paralogy



11.3 All the World's a Phage



11.4 Moron Accretion



References



12 Phage-Provided Environmental DNA and Superspreading



12.1 Uptake of Naked DNA



12.2 Phage-Generation of eDNA



12.3 Phages as Mediators of 'Superspreading'



12.4 Temperate Phages as Generators of eDNA



References



13 Transduction of Large Amounts of DNA



13.1 Generalized Transduction



13.2 Homologous Recombination versus Illegitimate Recombination



13.3 Genomic Islands



References



Part IV. Prophage-Encoding of Bacterium-Expressed Genes



14 Phage Morons



14.1 What Is a Moron? (Narrow Sense)



14.2 What Isn't a Moron? (Narrow Sense)



14.3 Limitations on Phage Acquisition of Additional Genes



14.4 Morons as Lysogenic Converting Genes



References



15 Why Lysogenic Conversion?



15.1 More than Lytic Cycle Buttressing of Accessory Gene Encoding?



15.2 A Plethora of Possible Selective Mechanisms



15.3 Indirect Selection for Lysogenic Conversion



15.4 Direct selection for Lysogenic Conversion



15.5 Lysogenic Conversion and Ecotypes



15.6 Phage-Encoded Phage Resistance



References



16 Prophages Preventing Phage Superinfection



16.1 Superinfection Immunity



16.2 Superinfection Exclusion



16.3 Prophage Encoding of Other Phage-Resistance Mechanisms



References



17 Domestication of Phage Genes



17.1 Merging of Genomes



17.2 Merging of Phage Genomes



17.3 Merging of Phage and Bacterial Genomes



17.4 Phage Gene Domestication without Prophage Integration



17.5 Getting Rid of Plasmid Prophage Genes?



References



Part V. Phage Resistance



18 Resistance to Phages, Part I: Overview



18.1 Categorizing Phage-Resistance by Outcomes



18.2 Avoidance of Phage Infection



18.3 Negation of Phage Infections



18.4 Bacterial Self-Sacrifice upon Phage Infection



18.5 Delay of Phage Propagation



18.6 Summary



References



19 Resistance to Phages, Part II: Bacteria Live!



19.1 Avoidance of Phage Genome Uptake



19.2 Negating Phage Infections Soon after Initiation



References



20 Resistance to Phages, Part III: Bacteria Die...



20.1 The Bacterial Self-Sacrifice of Abortive Infections



20.2 Delay: Slowing Down Phage Population Growth



References



21 Bacterial Mutation to Phage Resistance



21.1 A Plethora of Possible Targets of Mutation?



21.2 Rates of Mutation to Resistance



21.3 A Wee Bit of Advice



References



22 Pleiotropic Costs of Phage Resistance



22.1 Antagonistic Pleiotropies



22.2 Some History



22.3 A Sampling of More Modern Studies



References



Part VI. Natural Selection



23 Concepts of Natural Selection in Light of Phage Exposure



23.1 Higher Fitness



23.2 Beneficial Alleles and Adaptation



23.3 Historical Contingencies



23.4 Hard Selection and Soft Selection



23.5 Coevolution



References



24 Frequency-Dependent Selection in Light of Phage Exposure



24.1 Ecological versus Evolutionary: Three Distinctions



24.2 Stabilizing, Disruptive, Polymorphic, Monomorphic



24.3 Disruptive Frequency-Dependent Selection-Extracellular Toxins



24.4 Disruptive Frequency-Dependent Selection-Induced Prophages



24.5 Frequency Dependence or Instead Density Dependence?



24.6 Stabilizing Frequency-Dependent Selection Involving Phages



24.7 Killing the Winner



24.8 Stabilizing Frequency-Dependent Selection Mimicking Muller's ratchet?



References



25 A Primer on Phage-Bacterium Antagonistic Coevolution



25.1 Preamble



25.2 Introduction to Coevolution and Antagonistic Coevolution



25.3 Short Historical Overview of Phage-Bacterium Antagonistic Coevolution



25.4 Brief Primer on Phage-Bacterium Antagonistic Coevolution



25.5 Different Faces of Phage-Bacterium Antagonistic Coevolution



25.6 An Indefinite Series of Coevolutionary Change?



25.7 Coda



References



?
Este título pertence ao(s) assunto(s) indicados(s). Para ver outros títulos clique no assunto desejado.
ecology of bacteria;mutualistic symbiont;mutagenesis;coevolution;lytic phages;lysogenic phages;migration;population biology