Hemagglutination is the clumping (agglutination) together of erythrocytes (red blood cells), which occurs when viral surface spikes called hemagglutinins bind to receptors on erythrocyte membranes. In a microtiter plate, this clumping is visualized as redness spread throughout the well.

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Agglutination or aggregation occurs when pathogens are cross linked by antibodies to create large aggregates. When large aggregates develop phagocytes can ingest them easier. The pentameric structure of IgM provides ten Fab binding sites per molecule, making it the most efficient antibody for agglutination.

Agglutination

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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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