11 Poxviruses

Feb 19, 2017 by in MICROBIOLOGY Comments Off on 11 Poxviruses

POXVIRUSES: GROUP CHARACTERISTICS Poxviruses are large, brick-shaped or ovoid, linear double-stranded DNA (130-300 kbp) containing core within a double membrane and a lipoprotein envelope carrying virions measuring approximately 350 ×…

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48 Parasites—Basic Concepts

Feb 19, 2017 by in MICROBIOLOGY Comments Off on 48 Parasites—Basic Concepts

Major cause of disease and death worldwide Currently, about half of the world’s population lives in areas where malaria transmission could or does occur; of these, approximately 250 to 400…

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17 Rabies

Feb 19, 2017 by in MICROBIOLOGY Comments Off on 17 Rabies

VIROLOGY The rabies virus is a rhabdovirus, which is a bullet-shaped, enveloped, RNA virus, 70 nm in diameter × 180 nm in length, of the Lyssavirus genus and Rhabdoviridae family…

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42 Fungi—Basic Concepts

Feb 19, 2017 by in MICROBIOLOGY Comments Off on 42 Fungi—Basic Concepts

FIGURE 42–1. A yeast cell showing the cell wall and internal structures of the fungal eukaryotic cell plan. (Reproduced with permission from Willey JM: Prescott, Harley, & Klein’s Microbiology, 7th…

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41 Dental and Periodontal Infections

Feb 19, 2017 by in MICROBIOLOGY Comments Off on 41 Dental and Periodontal Infections

FIGURE 41–1. Dental plaque biofilm. The stages of formation of the bacterial biofilm called dental plaque are shown. Early colonizers bind to the enamel pellicle and late colonizers bind to…

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