Ecological Aspects for Application of Genetically Modified Mosquitoes

Front Cover
W. Takken, T.W. Scott
Springer Science & Business Media, Jul 31, 2003 - Science - 244 pages
New interventions are needed to reduce the burden of vector-borne diseases like malaria and dengué, which are among the most serious and prevalent infectious diseases worldwide. The release of genetically modified (GM) mosquitoes may offer an alternative strategy to do so while circumventing the pitfalls of current vector control methods. Current methodologies are stalling because of drug resistance, absence of vaccines and inadequate mosquito control techniques. GM mosquitoes have been developed that are resistant to pathogen infection and transmission, but the public-health and environmental consequences of releasing such insects are unclear, mainly because of a lack of knowledge of the ecology and population biology of mosquitoes.
This book is the reflection of a workshop, held in June 2002, that addressed these issues. Experts on mosquito ecology met for the first time to discuss the current knowledge of mosquito ecology with respect to GM-insect technology. Emphasis of the workshop was on evaluating how human health and natural ecosystems, including target wild-mosquito populations, will respond to the invasion of GM vectors. This volume will stimulate discussion by clearly showing the importance of vector ecology for prevention of vector-borne diseases.
 

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Contents

An introduction to ecological challenges concerning the use of geneticallymodified mosquitoes for disease control
9
GENETIC CONTROL OF MOSQUITOBORNE DISEASES
13
Transgenic mosquitoes the state of the art
15
Lessons from the past an overview of studies by the University of Maryland and the University of California Berkeley
25
Geneticcontrol trials and the ecology of Aedes aegypti at the Kenya coast
33
MOSQUITO ECOLOGY
45
May the force be with you measuring mosquito fitness in the field
47
Fitness advantages in multiple bloodfeeding the Aedes aegypti example
63
VECTORS PARASITES AND PATHOGEN TRANSMISSION
147
Environmental constraints on the physiology of transgenic mosquitoes
149
Evolution of parasite virulence to vectors
163
On the evolutionary ecology of mosquito immunity and the use of transgenic mosquitoes for malaria control
173
Aedes aegypti density and the risk of denguevirus transmission
187
CONSEQUENCES OF GMM RELEASE
207
Release ratios employed for genetically modifying populations of mosquitoes
209
Biosafcty and risk assessment in the use of genetically modified mosquitoes for disease control
217

Factors affecting the vectorial competence of Anopheles gambiae a question of scale
75
Contained semifield environments for ecological studies on transgenic African malaria vectors benefits and constraints
91
POPULATION GENETICS
107
Gene flow among populations of Anopheles gantbiae a critical review
109
Effective population size in relation to genetic modification of Anopheles gambiae sensu stricto
133
Measuring publichealth outcomes of release of transgenic mosquitoes
223
Discussion Ecological challenges concerning the use of genetically modified mosquitoes for disease control synthesis and future perspectives
235
List of participants
243
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