Microbiology- Bacterial Gram Stains - Midterm

Common bacterial disease agents and their gram stain results.

Treponema pallidum

Gram-negative

Bacillus anthracis

Gram-positive

Bacillus cereus

Gram-positive

Bacillus subtilis

Gram-positive

Borrelia recurrentis

Gram-negative

Brucella abortus

Gram-negative

Chlamydia trachomatis

Gram-negative

Clostridium botulinum

Gram-positive

Clostridium difficile

Gram-positive

Clostridium perfringens

Gram-positive

Clostridium tetani

Gram-positive

Enterobacter aerogenes

Gram-negative

Escherichia coli

Gram-negative

Lactobacilli spp.

Gram-positive

Leptospira biflexa

Gram-negative

Leptospira interrogans

Gram-negative

Listeria monocytogenes

Gram-positive

Mycobacterium leprae

Acid-Fast Bacteria

Mycobacterium tuberculosis

Acid-Fast Bacteria

Neisseria gonorrheae

Gram-negative

Proteus spp.

Gram-negative

Pseudomonas aeruginosa

Gram-negative

Rickettsia spp.

Gram-negative

Salmonella typhii

Gram-negative

Serratia marcescens

Gram-negative

Shigella dissenteriae

Gram-negative

Spirillum minus

Gram-negative

Staphylococcus aureus

Gram-positive

Staphylococcus epidermidis

Gram-positive

Streptococcus mutans

Gram-positive

Streptococcus pyogenes

Gram-positive

Streptococcus pneumoniae

Gram-positive

Thermus aquaticus

Gram-positive

Vibrio cholerae

Gram-negative

Vibrio fischerii

Gram-negative

Vibrio parahaemolyticus

Gram-negative