MC21-A, also known as bromophene, is a new antibiotic derived from a marine bacterium. Its effectiveness against resistant bacterial strains like Methicillin-resistant Staphylococcus aureus (MRSA) can be demonstrated using fluorescence microscopy with the dye SYTOX Green, which stains the bacteria green once the antibiotic successfully damages their cell membranes.

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Methicillin-resistant Staphylococcus aureus (MRSA) is a prominent example of a 'superbug,' a strain of bacteria that has evolved a high level of resistance to many antibiotics, including methicillin and common beta-lactams like penicillin. The evolution of such highly resistant microbes has been driven by the widespread proliferation of antibiotics in both medicine and agriculture. MRSA infections can be difficult to treat and are a significant concern, prompting research into new, diversified antibiotics.

Methicillin-resistant Staphylococcus aureus (MRSA)

https://openstax.org/details/books/microbiology/

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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