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Full Description
Ecological and evolutionary genetics span many disciplines and virtually all levels of biological investigation, from the genetic information itself to the principles governing the complex organization of living things. The ideas and informa tion generated by ecological and evolutionary genetics provide the substance for strong inferences on the origins, changes and patterns of structural and functional organization in bio logical communi ties. It is the coordination of these ideas and thoughts that will provide the answers to many fundamental questions in biology. There is no doubt that Drosophilids provide strong model systems amenable to experimental manipulation and useful for testing pertinent hypotheses in ecological and evolutionary genetics. The chapters in this volume represent efforts to use Drosophila species for such a purpose. The volume consists of a dedication to William B. Heed, followed by four major sections: Ecological Genetics, Habitat Selection, Biochemical Genetics and Molecular Evolution. Each section is introduced by a short statement, and each chapter has an independent summary. The chapters contain the sub stance of talks given at a joint Australia-US workshop held January 5-10, 1989 at the University of New England, New South Wales, Australia. We are indebted to the Division of International Programs of the National Science Foundation (USA) and to the Science and Technology Collaboration Section of the Department of Industry, Technology and Commerce (Australia) for the provi sion of financial support under the US/Australia Science and Technology Agreement. Many people contributed to the preparation of this volume.
Contents
William B. Heed: A Biography.- Ecological Genetics: Introduction.- 1 The Ecological Genetics of Abnormal Abdomen in Drosophila mercatorum.- 2 Direction of Life History Evolution in Drosophila mojavensis.- 3 Fitness and Asymmetry Modification as an Evolutionary Process. A Study in the Australian Sheep Blowfly, Lucilia cuprina and Drosophila melanogaster.- 4 Extreme Environmental Stress: Asymmetry, Metabolic Cost and Conservation.- 5 The Effects of Natural and Artificial Selection on Dysgenic Potential of a Wild Population of Drosophila melanogaster.- 6 P-Elements and Quantitative Variation in Drosophila.- Habitat Selection: Introduction.- 7 Ecological and Evolutionary Importance of Host Plant Chemistry.- 8 The Nutritional Importance of Pure and Mixed Cultures of Yeasts in the Development of Drosophila mulleri Larvae in Opuntia Tissues and its Relationship to Host Plant Shifts.- 9 Experimental Analysis of Habitat Selection and Maintenance of Genetic Variation.- 10 Heritable Variation in Resource Use in Drosophila in the Field.- 11 Factors Maintaining Genetic Variation For Host Preference in Drosophila.- 12 Theoretical Analysis of Habitat Selection and the Maintenance of Genetic Variation.- Biochemical Genetics: Introduction.- 13 Alcohol Dehydrogenase and Alcohol Tolerance in Drosophila melanogaster.- 14 Environmental Modulation of Alpha-Glycerol-3-Phosphate Oxidase (GPO) Activity in Larvae of Drosophila melanogaster.- 15 Physiology, Biochemistry and Molecular Biology of the Est-6 Locus in Drosophila melanogaster.- 16 Insecticide Resistance as a Model System for Studying Molecular Evolution.- 17 Temperature Effects on Epicuticular Hydrocarbons and Sexual Isolation in Drosophila mojavensis.- Molecular Evolution: Introduction.- 18 Gene and Genome Structure in Diptera: Comparative Molecular Analysis of an Eye Colour Gene in Three Species.- 19 Regulatory Evolution of ß-Carboxyl Esterases in Drosophila.- 20 Molecular Isolation and Preliminary Characterisation of a Duplicated Esterase Locus in Drosophila buzzatii.- 21 The Evolution of Adh Expression in the Repleta Group of Drosophila.- 22 Evolutionary Relationships of Enzymes in the Genus Drosophila.- 23 Genetic Differentiation Among Island Populations and Species of Cactophilic Drosophila in the West Indies.- Contributors.- Author Index.- Organism Index.
