Download Principles of Insect Pathology by Drion G. Boucias, Jacquelyn C. Pendland PDF

By Drion G. Boucias, Jacquelyn C. Pendland

Principles of Insect Pathology, a textual content written from a pathological point of view, is meant for graduate-level scholars and researchers with a restricted historical past in microbiology and in insect ailments. The e-book explains the significance of insect illnesses and illuminates the complexity and variety of insect-microbe relationships. Separate sections are dedicated to

  • the foremost insect pathogens, their features, and their lifestyles cycles
  • the homology that exists between invertebrate, vertebrate, and plant pathogens
  • the humoral and mobile security platforms of the host insect in addition to the evasive and suppressive actions of insect ailment brokers
  • the constitution and serve as of passive boundaries
  • the heterogeneity in host susceptibility to insect ailments and linked pollution
  • the mechanisms regulating the unfold and endurance of illnesses in bugs.

Principles of Insect Pathology combines the disciplines of microbiology (virology, bacteriology, mycology, protozoology), pathology, and immunology in the context of the insect host, offering a layout that is comprehensible to entomologists, microbiologists, and comparative pathologists.

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Extra resources for Principles of Insect Pathology

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Scanning electron micrograph of gradient-purified occlusions of a nuclear polyhedrosis virus (A) and a cytoplasmic polyhedrosis virus (B). 0 - 15 Jllll diameter) in the nuclei of infected cells. The GV s, related to NPV s, produce smaller, ellipsoid-shaped occlusions (200 by 500 nm), each containing a single enveloped, rod-shaped virus particle. Under phase-contrast optics, numerous tiny granules are seen in GV-infected fat body cells. The term granulin is used to describe the matrix protein of the GVs.

Insect-Pathogen Relationships 21 columnar and goblet cells provide a means of intercellular communication and may playa role in the cytopathic effects induced by certain bacterial endotoxins (see Chapter 7). Numerous mitochondria, RER, pinocytic vesicles, centrally located nuclei, liposomal vacuoles, etc. are found in columnar cells. During certain insect stages the columnar cells may serve as a depot for storage products, including glycogen, lipids, mineral deposits, and protein crystals. These storage products, present in either the cytoplasmic or nuclear regions, may be misdiagnosed as either intracellular occluded or nonoccluded viruslike particles.

Permeability characteristics of the peritrophic membranes of Manduca sexta larvae. J. Insect Physiol. 39:(9)785-790. Teodoro, J. O. and P. E. Branton 1997. Regulation ofapoptosis by viral gene products. J. Vrrol. 71:1739-1746. , A. S. D. Pang, and K. van Frankenhuyzen. 1996. Immunocytochemical localization of Bacillus thuringinsis Cryl toxins in the midguts of three forest insects and Bombyx mori. Can. J. Microbiol. 42:634-641. Chapter 2 General Features of Viral Disease Agents "Viruses are the ultimate agents provocateurs ofbiology,for they appear to be welcomed into the trusting arms of the cell ....

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