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Molecular Ecology, 2nd Edition

ISBN: 978-0-470-74834-3
464 pages
April 2011, Wiley-Blackwell
Molecular Ecology, 2nd Edition (0470748346) cover image
Molecular Ecology, 2nd Edition provides an accessible introduction to the many diverse aspects of this subject. The book takes a logical and progressive approach to uniting examples from a wide range of taxonomic groups. The straightforward writing style offers in depth analysis whilst making often challenging subjects such as population genetics and phylogenetics highly comprehensible to the reader.

The first part of the book introduces the essential underpinnings of molecular ecology and gives a review of genetics and discussion of the molecular markers that are most frequently used in ecological research, and a chapter devoted to the newly emerging field of ecological genomics.   The second half of the book covers specific applications of molecular ecology, covering phylogeography, behavioural ecology and conservation genetics.

The new edition provides a thoroughly up-to-date introduction to the field, emphasising new types of analyses and including current examples and techniques whilst also retaining the information-rich, highly readable style which set the first edition apart.

  • Incorporates both theoretical and applied perspectives
  • Highly accessible, user-friendly approach and presentation
  • Includes self-assessment activities with hypothetical cases based on actual species and realistic data sets
  • Uses case studies to place the theory in context
  • Provides coverage of population genetics, genomics, phylogeography, behavioural ecology and conservation genetics.
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Preface.

Acknowledgements.

1 Molecular Genetics in Ecology.

What is molecular ecology?

The emergence of molecular ecology.

Protein allozymes.

Allozymes as genetic markers.

An unlimited source of data.

Mutation and recombination.

Is genetic variation adaptive?

Polymerase chain reaction.

Getting data from PCR.

Quantitative PCR.

Overview.

Chapter summary.

Useful websites and software.

Further reading.

Review questions.

2 Molecular Markers in Ecology.

Understanding molecular markers.

Modes of Inheritance.

Nuclear versus organelle.

Haploid chromosomes.

Identifying hybrids.

Uniparental markers: A cautionary note

Molecular markers.

Co-dominant markers.

Dominant markers.

Overview.

Chapter summary.

Useful websites and software.

Further reading.

Online activities.

Review questions.

3 Genetic Analysis of Single Populations.

Why Study Single Populations?

What is a population?

Quantifying genetic diversity.

Hardy-Weinberg equilibrium.

Estimates of genetic diversity.

Haploid diversity.

Choice of marker.

What Influences Genetic Diversity?

Genetic drift.

What is effective population size?

Quantifying census population size.

Quantifying effective population size.

Demographic influences on Ne.

Ne, genetic drift and genetic diversity.

Population bottlenecks.

Founder effects and invasive species.

Natural selection.

The major histocompatibility complex.

Reproduction.

Overview.

Chapter summary.

Useful websites and software.

Further reading.

Online activities.

Review questions.

4 Genetic Analysis of Multiple Populations.

Why study multiple populations?

Quantifying Population Subdivision.

Genetic distance.

F-statistics.

Interpreting FST.

Non-a priori identification of populations.

Quantifying Gene Flow.

Direct methods.

Indirect methods.

Assignment tests.

What Influences Gene Flow?

Barriers to dispersal.

Landscape genetics.

Metapopulations.

Interspecific interactions.

Hybridization.

Population differentiation: genetic drift and natural selection.

Gene flow and genetic drift.

Gene flow and local adaptation.

Overview.

Chapter summary.

Useful websites and software.

Further reading.

Online activities. 

Review questions.

5 Studying Ecologically Important Traits: Ecogenomics, QTL Analysis, and Reverse Genetics.

Studying ecologically important traits.

cDNA libraries and ESTs.

Microarrays.

How do microarrays work?

Probes.

Verifying differences in gene expression.

Microarray applications.

Microarrays and community ecology of microorganisms.

Microorganism functions.

Microarrays and genotyping.

Connecting genotype to phenotype.

Reverse genetics.

QTL analysis.

Linkage mapping.

QTL mapping.

QTL mapping of ecologically important traits.

Overview.

Chapter Summary.

Useful Websites and Software.

Further Reading.

Review Questions.

6 Phylogeography.

What is Phylogeography?

Molecular markers in phylogeography.

Organelle versus nuclear markers.

Repetitive versus non-repetitive markers.

Molecular clocks.

Bifurcating trees.

The coalescent.

Applying the coalescent.

Networks.

Nested Clade Phylogeographic Amalysis and statistical phylogeography.

The distributions of genetic lineages.

Subdivided populations.

Dispersal and vicariance.

Comparative phylogeography.

Regional concordance.

Continental concordance.

European post-glacial recolonization routes.

Dispersal and invasive species.

Allele sharing between species.

Lineage sorting.

Hybridization.

Overview.

Chapter summary.

Useful websites and software.

Further reading.

Online activities. 

Review questions.

7 Behavioural Ecology.

Why use molecules to study behaviour?

Mating systems.

Parentage analysis.

Extra-pair fertilizations.

Social breeding.

Social insects.

Manipulating sex ratios.

Sex ratio conflicts.

Sex-biased dispersal.

Nuclear and mitochondrial markers.

Relatedness.

FST values.

Assignment tests.

Spatial autocorrelation.

Concordant results.

Predators and prey.

Identifying prey.

Predation and conservation.

Overview.

Chapter summary.

Useful websites and software.

Further reading.

Online activities. 

Review questions.

8 Conservation Genetics.

The need for conservation.

Taxonomy.

Species concepts.

DNA barcoding.

Subspecies.

Conservation units.

Hybrids.

Population size, genetic diversity and inbreeding.

Inbreeding depression.

Heterozygosity fitness correlations.

Self-fertilization.

Inbreeding avoidance

Outbreeding depression.

Translocations.

Genetic rescue.

Source populations.

Restoration genetics.

Captive breeding.

Maximizing genetic diversity.

Captive inbreeding and outbreeding.

Genetic diversity banks.

Overview.

Chapter summary.

Useful websites and software.

Further Reading.

Online activities. 

Review questions.

Glossary.

Answers to Review Questions.

References.

Index.

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1. Specific additions. These are underlined in revised table of contents (attached), and will include:
a. more discussion on techniques that are now more widespread in the literature, e.g. microarrays, pyrosequencing, SNPs
b. inclusion of more multidisciplinary studies that incorporate various aspects of molecular ecology, e.g. landscape genetics, comparative biology, archaeobotany
c. more examples of molecular ecology in a wider context e.g. forensic entomology, microbial forensics
d. more in depth analysis of some analytical techniques e.g. bayesian calculation of Ne based on single sample time; discussion of NCPA

2. General additions. All sections will benefit from the inclusion of more up-to-date references and examples. This will also reflect the shifting emphases towards new types of analyses, and will include up-to-date information on websites and software at the end of each chapter.
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• Comprehensive overview of molecular ecology in accessible, reader-friendly presentation
• Includes population genetics, phylogeography, behavioural ecology, and conservation genetics
• Incorporates both theoretical and applied perspectives
• Much of the theory will be supported by case studies that are based on published research
• End of chapter activities in which students can apply what they have learned to hypothetical cases that are based on actual species and realistic data sets
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