I Introduction.- 1. Summary of Trichomycete Characteristics.- 2. Historical Résumé.- 3. Methods.- Collection of Hosts.- Maintenance and Preservation of Hosts.- Dissection Techniques.- Preparation of Specimens for Microscopy.- Axenic Culturing.- II Biology.- 4. Arthropod Hosts and Habitats.- 5. Geographic Distribution.- 6. Host Specificity.- 7. Morphology, Cytology, and Fine Structure.- Life Cycles.- Thallus Types and Development.- Holdfasts.- Asexual Reproduction.- Sexual Reproduction.- Viruses.- 8. Host-Fungus Relationships.- Nutritional Relationships.- Pathogenicity.- Ecdysis: Effects on Fungi.- Survival and Distribution Mechanisms.- 9. Experimental Studies on Cultured Species.- Nutrition.- Growth Dynamics and Culture Conditions.- Sterol and Lipid Production.- Effects on Host Development.- Sporulation.- Spore Germination and Longevity.- Host Inoculations.- Amoebagenesis.- Wall Composition.- Serology.- RNA Molecular Weights.- Abnormalities in Cultures.- III Systematics.- 10. Taxonomic Problems.- 11. Taxonomic Treatment.- Keys to Orders and Families of Trichomycetes.- Trichomycetes.- Harpellales.- Harpellaceae.- Legeriomycetaceae.- Asellariales.- Asellariaceae.- Eccrinales.- Eccrinaceae.- Palavasciaceae.- Parataeniellaceae.- Amoebidiales.- Amoebidiaceae.- Excluded and Doubtful Taxa.- 12. Phylogeny.- Relationships with Other Fungi.- Relationships Among the Trichomycetes.- Morphologically Similar but Unrelated Organisms.- IV Appendices.- A. List of Fungi and Their Arthropod Hosts.- B. List of Arthropods and Their Fungal Associates.- C. Axenic Isolates of Trichomycetes and Their Sources.- References.
Associations and interactions between species of organisms are phenomena shared by all living things. What varies is the extent to which the more long-lasting interactions are beneficial or destructive to a given species and the degree of intimacy and reliance which one organism may have developed in association with another. Many of the more highly evolved relationships that have been studied involve microorganisms, either in consort with other microorganisms or with so-called higher forms of life. Mycologists are rarely surprised-but often fascinated-by the variety of kinds of living substrates and specialized organismal relationships that evolutionary processes have produced among the fungi. The present book deals in some detail with the specialized dependence of a unique group of fungi, the trichomycetes, upon certain arthropods. There has been no comprehensive and worldwide treatment of the tri chomycetes since their discovery by Joseph Leidy in 1848. The literature is scattered and in several languages, and many articles are now not only a bit old but out of date as well. As in many areas of biology, our knowledge about trichomycetes has increased somewhat exponentially in recent years.
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