Bottlenecks and Multiple Introductions: Population Genetics of the Vector of Avian Malaria in Hawaii PDF Download
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Languages : en
Pages : 13
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Book Description
Avian malaria has had a profound impact on the demographics and behavior of Hawaiian forest birds since its vector, Culex quinquefasciatus the southern house mosquito, was first introduced to Hawaii around 1830. In order to understand the dynamics of the disease in Hawaii and gain insights into the evolution of vector-mediated parasite-host interactions in general we studied the population genetics of Cx. quinquefasciatus in the Hawaiian Islands. We used both microsatellite and mitochondrial loci. Not surprisingly we found that mosquitoes in Midway, a small island in the Western group, are quite distinct from the populations in the main Hawaiian Islands. However; we also found that in general mosquito populations are relatively isolated even among the main islands, in particular between Hawaii (the Big Island) and the remaining Hawaiian Islands. We found evidence of bottlenecks among populations within the Big Island and an excess of alleles in Maui, the site of the original introduction. The mitochondrial diversity was typically low but higher than expected. The current distribution of mitochondrial haplotypes combined with the microsatellite information lead us to conclude that there have been several introductions and to speculate on some processes that may be responsible for the current population genetics of vectors of avian malaria in Hawaii.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Book Description
Avian malaria has had a profound impact on the demographics and behavior of Hawaiian forest birds since its vector, Culex quinquefasciatus the southern house mosquito, was first introduced to Hawaii around 1830. In order to understand the dynamics of the disease in Hawaii and gain insights into the evolution of vector-mediated parasite-host interactions in general we studied the population genetics of Cx. quinquefasciatus in the Hawaiian Islands. We used both microsatellite and mitochondrial loci. Not surprisingly we found that mosquitoes in Midway, a small island in the Western group, are quite distinct from the populations in the main Hawaiian Islands. However; we also found that in general mosquito populations are relatively isolated even among the main islands, in particular between Hawaii (the Big Island) and the remaining Hawaiian Islands. We found evidence of bottlenecks among populations within the Big Island and an excess of alleles in Maui, the site of the original introduction. The mitochondrial diversity was typically low but higher than expected. The current distribution of mitochondrial haplotypes combined with the microsatellite information lead us to conclude that there have been several introductions and to speculate on some processes that may be responsible for the current population genetics of vectors of avian malaria in Hawaii.
Author: Jordi López-Pujol
Publisher: BoD – Books on Demand
ISBN: 9533077514
Category : Science
Languages : en
Pages : 406
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Book Description
The term biodiversity defines not only all the variety of life in the Earth but also their complex interactions. Under the current scenario of biodiversity loss, and in order to preserve it, it is essential to achieve a deep understanding on all the aspects related to the biological interactions, including their functioning and significance. This volume contains several contributions (nineteen in total) that illustrate the state of the art of the academic research in the field of biological interactions in its widest sense; that is, not only the interactions between living organisms are considered, but also those between living organisms and abiotic elements of the environment as well as those between living organisms and the humans.
Author: Joanna R. Freeland
Publisher: John Wiley & Sons
ISBN: 0470090634
Category : Science
Languages : en
Pages : 403
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Book Description
Molecular Ecology provides a comprehensive introduction to the many diverse aspects of this subject. The book unites theory with examples from a wide range of taxa in a logical and progressive manner, and its accessible writing style makes subjects such as population genetics and phylogenetics highly comprehensible to its readers. The first part of the book introduces the essential underpinnings of molecular ecology, starting with a review of genetics and a discussion of the molecular markers that are most frequently used in ecological research. This leads into an overview of population genetics in ecology. The second half of the book then moves on to specific applications of molecular ecology, covering phylogeography, behavioural ecology and conservation genetics. The final chapter looks at molecular ecology in a wider context by using a number of case studies that are relevant to various economic and social concerns, including wildlife forensics, agriculture, and overfishing * comprehensive overview of the different aspects of molecular ecology * attention to both theoretical and applied concerns * accessible writing style and logical structure * numerous up-to-date examples and references This will be an invaluable reference for those studying molecular ecology, population genetics, evolutionary biology, conservation genetics and behavioural ecology, as well as researchers working in these fields.
Author: Lester E. Ehler
Publisher: CABI
ISBN: 9780851998671
Category : Biological pest control agents
Languages : en
Pages : 280
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Book Description
Annotation. This book has been developed from the keynote addresses delivered at the third IOBC International Symposium (co-organized with CILBA) that was held in Montpellier in October 2002, to address recent developments in genetics and evolutionary biology as applied to biological control. Chapters are organized around the following themes: Genetic structure of pest and natural enemy populations Molecular diagnostic tools in biological control Tracing the origin of pests and natural enemies Predicting evolutionary change in pests and natural enemies Compatibility of transgenic crops and natural enemies Genetic manipulation of natural enemies. The authors identify new issues for each of the major approaches in applied biological control. These include the (1) use of molecular genetics to trace the origin of target pests in classical biological control, (2) potential of mass-reared, transgenic agents in augmentative biological control, and (3) compatibility of transgenic crops and natural enemies in conservational biological control.
Author: Serge Morand
Publisher: Oxford University Press
ISBN: 0199561346
Category : Medical
Languages : en
Pages : 288
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Book Description
This edited volume demonstrates how the latest developments in biogeography (for example in phylogenetics, macroecology, and geographic information systems) can be applied to studies in the evolutionary ecology of host-parasite interactions in order to integrate spatial patterns with ecological theory.
Author: Spencer C. H. Barrett
Publisher: John Wiley & Sons
ISBN: 1118922182
Category : Science
Languages : en
Pages : 400
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Book Description
Invasion Genetics: the Baker & Stebbins legacy provides a state-of-the-art treatment of the evolutionary biology of invasive species, whilst also revisiting the historical legacy of one of the most important books in evolutionary biology: The Genetics of Colonizing Species, published in 1965 and edited by Herbert Baker and G. Ledyard Stebbins. This volume covers a range of topics concerned with the evolutionary biology of invasion including: phylogeography and the reconstruction of invasion history; demographic genetics; the role of stochastic forces in the invasion process; the contemporary evolution of local adaptation; the significance of epigenetics and transgenerational plasticity for invasive species; the genomic consequences of colonization; the search for invasion genes; and the comparative biology of invasive species. A wide diversity of invasive organisms are discussed including plants, animals, fungi and microbes.
Author: Diego Santiago-Alarcon
Publisher: Springer Nature
ISBN: 3030516334
Category : Science
Languages : en
Pages : 575
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Book Description
The Tropics are home to the greatest biodiversity in the world, but tropical species are at risk due to anthropogenic activities, mainly land use change, habitat loss, invasive species, and pathogens. Over the past 20 years, the avian malaria and related parasites (Order: Haemosporida) systems have received increased attention in the tropical regions from a diverse array of research perspectives. However, to date no attempts have been made to synthesize the available information and to propose new lines of research. This book provides such a synthesis by not only focusing on the antagonistic interactions, but also by providing conceptual chapters on topics going from avian haemosporidians life cycles and study techniques, to chapters addressing current concepts on ecology and evolution. For example, a chapter synthesizing basic biogeography and ecological niche model concepts is presented, followed by one on the island biogeography of avian haemosporidians. Accordingly, researchers and professionals interested in these antagonistic interaction systems will find both an overview of the field with special emphasis on the tropics, and access to the necessary conceptual framework for various topics in ecology, evolution and systematics. Given its conceptual perspective, the book will appeal not only to readers interested in avian haemosporidians, but also to those more generally interested in the ecology, evolution and systematics of host-parasite interactions.
Author: Paul Donald
Publisher: A&C Black
ISBN: 1408189666
Category : Nature
Languages : en
Pages : 313
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Book Description
Examines extinction in birds, with case studies of critically endangered species and the research initiatives designed to save them.
Author: Michael L. Arnold
Publisher: Oxford University Press
ISBN: 0199539588
Category : Language Arts & Disciplines
Languages : en
Pages : 246
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Book Description
This book describes the important role that the transfer of genes between organisms has played during the origin and evolution of humans, and the evolution of organisms on which the human species depends for shelter, sustenance and companionship.
Author: Richard C. Wilkerson
Publisher: Johns Hopkins University Press
ISBN: 1421438143
Category : Science
Languages : en
Pages : 1332
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Book Description
The most complete reference work on mosquitoes ever produced, Mosquitoes of the World is an unmatched resource for entomologists, public health professionals, epidemiologists, and reference libraries.
