Although the phenomenon of lateral gene transfer has been known since the 1940’s, it was the genomics era that has really revealed the extent and many facets of this evolutionary/genetic phenomenon. Even in the early 2000s with but a handful of genomes available it became clear that the nature of microorganisms is full of genetic exchange between lineages that are sometimes far apart. The years following this saw an explosion of genomic data, which shook the ‘tree of life’ and also raised doubts about the most appropriate species concepts for prokaryotes. This book attempts to represent the many-fold contributions of LGT to the evolution of micro and, to an extent, macro-organisms by focusing on the areas where the Editor felt it had the largest impact: metabolic innovations and adaptations and speciation.
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Part I: LGT-Driven Metabolic Innovations and Adaptations.- Lateral Gene Transfer and the Synthesis of Thymidine.- Lateral Gene Transfer and the Evolution of Photosynthesis in Eukaryotes.- On the Eco-evolutionary Relationships of Fresh and Salt Water Bacteria and the Role of Gene Transfer in their Adaptation.- Mobilized Integrons: Team Players In The Spread of Antibiotic Resistance Genes.- Plasmids of the bovine Rumen.- Part II: The Integration of New Genes into Existing Networks.- Lateral Gene Transfer and Cellular Networks.- The Complexity Hypothesis and Other Connectivity Barriers to Lateral Gene Transfer.- How Codon Usage Shapes Gene Transfer and Vice Versa.- Part III: Inter-domain Gender Transfer.- Lateral Gene Transfer in Animals.- Gene Transfer and the Chimeric Nature of Eukaryotic Genomes.- Gene transfer from Eukaryotes to Legionella.- Application of a new Mapping Algorithm to Reevaluate Evidence of Interdomain Horizontal Gene Transfer in the Genome of Thermotoga Maritime.- Part IV: LGT, Speciation and the Tree/Web of Life.- Gradual Speciation and its Implications for the Tree of Life.- Biased Gene Transfer Contributes to Maintaining the Tree of Life.- Speciation in the Shadow of Recombination and Lateral Gene Transfer.- Index.
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