Download Parasitoid Viruses: Symbionts and Pathogens by Nancy E. Beckage, Jean-Michel Drezen PDF

By Nancy E. Beckage, Jean-Michel Drezen

Parasitoids are parasitic bugs that kill their insect hosts in immature pre-reproductive levels. Parasitoids are hired in organic regulate courses around the globe to kill insect pests and are environmentally secure and benign choices to chemical insecticides. As resistance to chemical insecticides maintains to strengthen in lots of pest populations, awareness is now refocusing on biologically-based innovations to regulate pest species in agriculture and forestry in addition to insect vector populations that transmit human and animal illnesses. Parasitoids are an economically severe aspect during this equation and 'integrated pest management.' Viruses have advanced intimate institutions with parasitoids, and this ebook gains sections on either symbiotic viruses which are built-in into the wasp's chromosomal DNA (polydnaviruses) that play serious roles in suppressing host immunity in the course of parasitism. A separate part with extra chapters on viral pathogens that infect parasitoids to reason illness and act as harmful brokers that restrict effectiveness of wasp species hired in organic keep an eye on of pests is additionally featured. a 3rd part is a piece on parasitoid venoms, that are of curiosity to the pharmaceutical and scientific groups in addition to insect-oriented biologists. Sections specialise in either virus evolution and genomics in addition to proteomics and sensible roles of polydnavirus-encoded gene productsInternational researchers and rising leaders of their fields offer readers with syntheses of the newest researchIncludes content material on either symbiotic viruses and pathogenic viruses, plus new study on parasitoid venomsCutting-edge part on destiny instructions within the box covers the affects of polydnavirus study on medicine, human well-being, bioengineering and the economic climate, expanding the worth for researchers and practitioners who have to remain on best of the study during this rapidly relocating box

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71, 859–865. , 1974. The role of the foreign surface and female parasitoid secretions on the immune response of an insect. Parasitology 68, 27–33. , 1975. Particles containing DNA associated with the oocyte of an insect parasitoid. J. Invertebr. Pathol. 25, 375–378. , et al. 2010. Analysis of virion structural components reveals vestiges of the ancestral ichnovirus genome. PLoS Pathog. 6, 1–10. , 2000. Co infection of Manduca sexta larvae with polydnavirus from Cotesia congregata increases susceptibility to fatal infection by Autographa californica M nucleopolyhedrovirus.

Acad. A. 87, 4961–4965. , et al. 2006. Polydnavirus genomes reflect their dual roles as mutualists and pathogens. Virology 347, 160–174. , 1997. Molecular and morphological data suggest a common origin for the polydnaviruses among braconid wasps. Naturwissenschaften 84, 502–507. , 2002. Estimating the age of the polydnavirus–braconid wasp symbiosis. Proc. Natl. Acad. Sci. A. 99, 7508–7513. , 2003. Virus or not? Phylogenetics of polydnaviruses and their wasp carriers. J. Insect Physiol. 49, 397–405.

Whether they should, in a formal sense, be referred to as viruses is entirely a matter for the ICTV to resolve—for which we have herein provided a reasonable solution (see Appendix). Finally, whether or not one would prefer to retain current nomenclature, ‘Polydnaviridae’ has to go. ) in the sense that the practice of assigning viruses of quite dissimilar morphology to the same family was unlikely to survive close scrutiny over the long term; whether to replace it with ‘Bracoviridae’, etc. is for the Appendix Suggested categories of viruses and virus-like entities: 1.

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