In clinical settings, Gram staining helps classify bacterial pathogens into categories associated with specific properties. For example, gram-negative bacteria generally tend to be more resistant to certain antibiotics compared to gram-positive bacteria.

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Gram stain is a multi-step staining procedure that differentiates bacteria by the structure of their cell wall

Gram Stain

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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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The Gram stain procedure is a multi-step differential staining technique developed by Danish microbiologist Hans Christian Gram in $${}1884$$. It remains one of the most frequently used methods to effectively distinguish between bacteria based on their different types of cell walls by sequentially applying a primary stain, a mordant, a decolorizing agent, and a secondary counterstain.

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