Gram Stains of Bacteria

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Gram Stains of Bacteria Some of the unknowns used in class Note: differences in media used to grow, growth rate, age of culture, concentration of cells, technique will lead to differences in appearance when Gram staining. Bio 243 Microbiology Muse

Escherichia coli Gram stain

Klebsiella pneumoniae Gram stains

Enterobacter aerogenes Gram stain

Staphylococcus aureus Gram stain

Staphylococcus epidermis Gram stain The Grapes of Staph!

Bacillus subtilis

Bacillus cereus Sporulating: ? stain Gram stain

Bacillus megaterium Gram stain

Bacillus megaterium Spore stain

Micrococcus luteus

Pseudomonas aeruginosa Gram stain

Proteus vulgaris 1000x Gram stain 2000x flagellar

Mycobacterium smegmatis Acid Fast Staining