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Reticulate evolution of disease vectors and diseases

Michael L. Arnold

in Reticulate Evolution and Humans: Origins and Ecology

Published in print:
2008
Published Online:
January 2009
ISBN:
9780199539581
eISBN:
9780191716225
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199539581.003.0008
Subject:
Biology, Animal Biology, Evolutionary Biology / Genetics

A goal shared by this chapter with all the other parts of this book is to emphasize the ubiquity of reticulate evolution as an agent of genetic and evolutionary change. Another goal, unique to the ... More


Inferring Prehistory from Genetic, Linguistic, and Geographic Variation

Keith Hunley, Michael Dunn, Eva Lindström, Ger Reesink, Angela Terrill, Heather Norton, Laura Scheinfeldt, Françoise R. Friedlaender, D. Andrew Merriwether, George Koki, and Jonathan S. Friedlaender

in Population Genetics, Linguistics, and Culture History in the Southwest Pacific

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195300307
eISBN:
9780199790142
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195300307.003.0009
Subject:
Biology, Evolutionary Biology / Genetics

This chapter investigates the fit of genetic, phenotypic, and linguistic data to two well-known models of population history. The first of these models, termed the population fissions model, ... More


Testing the hypothesis

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0003
Subject:
Biology, Evolutionary Biology / Genetics

This chapter discusses methodologies to test the hypothesis of genetic exchange. The goal is to indicate the diversity of approaches that facilitate such tests. It begins by examining conflicting ... More


Emergent properties

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0010
Subject:
Biology, Evolutionary Biology / Genetics

This chapter begins by reflecting upon the major theme of this book: that genetic exchange is pervasive across all biological lineages. It discusses the implications of this regarding the ... More


History of investigations

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0001
Subject:
Biology, Evolutionary Biology / Genetics

This chapter begins with a brief history of pre-Darwinian, evolutionary studies concerning genetic exchange. It then discusses various organismal systems to exemplify some ways in which post-Modern ... More


Barriers to gene flow

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0004
Subject:
Biology, Evolutionary Biology / Genetics

This chapter considers the barriers that limit genetic exchange. The conceptual framework for this chapter assumes that specific barriers are part of a multi-tiered process. In sexually reproducing ... More


Origin of new evolutionary lineages

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0007
Subject:
Biology, Evolutionary Biology / Genetics

This chapter examines the effects of gene exchange on the formation of new evolutionary lineages. In some cases this can be viewed as the origin of new species, in others the organisms formed from ... More


Humans and associated lineages

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0009
Subject:
Biology, Evolutionary Biology / Genetics

This chapter reviews findings relating to the effect of genetic exchange on the evolution of the human lineage and lineages of organisms with which we interact (e.g. disease vectors, food sources). ... More


The role of species concepts

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0002
Subject:
Biology, Evolutionary Biology / Genetics

This chapter introduces the topic of species concepts and the study of genetic exchange. It uses only four (biological, phylogenetic, cohesion, and prokaryotic) of the many definitions to illustrate ... More


Hybrid fitness

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0005
Subject:
Biology, Evolutionary Biology / Genetics

This chapter illustrates the fact that hybrid genotypes, like any other set of genotypes, demonstrate a range of fitness estimates. It demonstrates this point with examples involving natural ... More


Implications for endangered taxa

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0008
Subject:
Biology, Evolutionary Biology / Genetics

This chapter focuses on the positive and negative effects of genetic exchange on the fate of endangered flora and fauna. In particular, it considers the role that such gene flow may have (i) in ... More


Evolution through Genetic Exchange

Michael L. Arnold

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.001.0001
Subject:
Biology, Evolutionary Biology / Genetics

Even before the publication of Darwin's Origin of Species, the perception of evolutionary change has been a tree-like pattern of diversification — with divergent branches spreading further and ... More


Divergence with Genetic Exchange

Michael L. Arnold

Published in print:
2015
Published Online:
November 2015
ISBN:
9780198726029
eISBN:
9780191792960
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198726029.001.0001
Subject:
Biology, Evolutionary Biology / Genetics

This book is an investigation into processes associated with evolutionary divergence and diversification. The focus, as the title indicates, is on the role played by the exchange of genes between ... More


Testing for genetic exchange

Michael L. Arnold

in Divergence with Genetic Exchange

Published in print:
2015
Published Online:
November 2015
ISBN:
9780198726029
eISBN:
9780191792960
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198726029.003.0003
Subject:
Biology, Evolutionary Biology / Genetics

Much debate has been generated as to how one can go about testing for the presence of past and contemporary genetic exchange. In this chapter, a number of analytical approaches (e.g. phylogenetic ... More


Gene duplication

Michael L. Arnold

in Evolution through Genetic Exchange

Published in print:
2007
Published Online:
April 2010
ISBN:
9780199229031
eISBN:
9780191728266
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199229031.003.0006
Subject:
Biology, Evolutionary Biology / Genetics

This chapter considers instances where the genetic exchange, in this case resulting in genomic duplications, has derived from sexual reproduction as well as other forms of recombination. It looks at ... More


Evolutionary outcomes of genetic exchange

Michael L. Arnold

in Divergence with Genetic Exchange

Published in print:
2015
Published Online:
November 2015
ISBN:
9780198726029
eISBN:
9780191792960
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198726029.003.0006
Subject:
Biology, Evolutionary Biology / Genetics

This chapter illustrates evolutionary outcomes from natural hybridization within plant and animal assemblages. Included in the discussions are examples of adaptive evolutionary change resulting in ... More


Genetic exchange, reproductive barriers, and the mosaic genome

Michael L. Arnold

in Divergence with Genetic Exchange

Published in print:
2015
Published Online:
November 2015
ISBN:
9780198726029
eISBN:
9780191792960
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198726029.003.0004
Subject:
Biology, Evolutionary Biology / Genetics

One of the main messages of this text is that genetic exchange occurs throughout viral, prokaryotic and eukaryotic complexes, and that these exchange events can lead to evolutionary novelty via the ... More


Genetic exchange and humans

Michael L. Arnold

in Divergence with Genetic Exchange

Published in print:
2015
Published Online:
November 2015
ISBN:
9780198726029
eISBN:
9780191792960
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198726029.003.0008
Subject:
Biology, Evolutionary Biology / Genetics

This chapter begins with information from analyses of genomic and phenotypic traits resulting in tests of alternative models of human evolution. The remaining sections illustrate how genetic exchange ... More


Genetic exchange: An historical consideration

Michael L. Arnold

in Divergence with Genetic Exchange

Published in print:
2015
Published Online:
November 2015
ISBN:
9780198726029
eISBN:
9780191792960
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198726029.003.0001
Subject:
Biology, Evolutionary Biology / Genetics

The history of investigations into genetic exchange—resulting from natural hybridization, horizontal gene transfer, and viral recombination—between both closely- and distantly-related organisms has ... More


Genetic exchange and conservation

Michael L. Arnold

in Divergence with Genetic Exchange

Published in print:
2015
Published Online:
November 2015
ISBN:
9780198726029
eISBN:
9780191792960
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198726029.003.0007
Subject:
Biology, Evolutionary Biology / Genetics

Some outcomes of genetic exchange between divergent lineages reflect risks to biodiversity. These include cases in which reticulate evolution produces highly virulent pathogens that decimate native ... More


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