Examples of tissue tropism include the poliovirus, which targets the tissues of the brain and spinal cord, and the influenza virus, which primarily targets the respiratory tract.

Examples of Tissue Tropism

Because many viruses exhibit tissue tropism, they must be inoculated into specific locations within a developing bird embryo to replicate, such as the amniotic cavity, the chorioallantoic membrane, or the yolk sac.

Embryonic Target Sites for Viral Growth

Tissue tropism is the biological specificity of most viruses to infect only certain types of cells within specific tissues of a host organism.

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Host range refers to the specific spectrum of species and cell types that a virus is capable of infecting. While some viruses can infect a wide range of hosts, most are highly specific and typically restrict their infection to a single species or a few closely related ones, targeting only specific cell types within those organisms.

Host Range

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Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

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