Microbiology: Gram-Positive and Gram-Negative Bacteria

This collection of flashcards covers fundamental concepts about gram-positive and gram-negative bacteria, including their characteristics, associated diseases, and other key information relevant to the study of microbiology.

Gram-positive cocci in clusters

Staphylococcus

Gram-positive cocci in chains

Streptococcus

Gram-negative cocci

Neisseria

Organism that forms endospores

Bacillus

Strict anaerobe

Clostridium

Causative agent of Tetanus

Clostridium tetani

Bacillus anthracis causes

Anthrax

True statement about anthrax

Endospore-forming rod

Tetanus symptoms are caused by

Neurotoxin

Mycobacteria contain

Mycolic acids

Function of mycolic acids in bacteria

Resistant to disinfectants

Organism that produces blue-green pigment

Pseudomonas aeruginosa

Burn patient with green pus likely has

Pseudomonas aeruginosa

Gram-negative rod

E. coli

Vibrio shape

Comma-shaped

Causative agent of whooping cough

Bordetella pertussis

Transmission method for Pertussis

Droplets

Haemophilus influenzae causes

Meningitis

Spirochetes move using

Axial filaments

Spirochetes shape

Spiral-shaped

Mycoplasma lack

Cell wall

Mycoplasma contain

Sterols

Chlamydia are

Obligate intracellular

Salmonella is associated with

Food poisoning

Rickettsia are transmitted by

Insects

Rickettsia are

Obligate intracellular

E. coli is

Gram negative rod

Mismatch example

Mycoplasma – cell wall

Acid-fast bacteria are

Mycobacterium

Gram-negative bacteria contain

LPS

Gram-positive bacteria have

Thick peptidoglycan

Staphylococcus arrangement

Clusters

Clostridium is

Anaerobic

Bacillus is

Aerobic or facultative

Most resistant bacteria to disinfectants

Mycobacterium

Not gram positive

E. coli

Not gram negative

Bacillus

Organism with no cell wall

Mycoplasma

Comma-shaped gram-negative rod

Vibrio

Obligate intracellular bacteria

Chlamydia

Bacteria associated with ulcers

Helicobacter pylori

Helicobacter pylori is

Gram negative spiral

Bacteria most associated with burn infections

Pseudomonas

Insect-transmitted bacteria

Rickettsia

Bacteria with waxy cell wall

Mycobacterium

Gram positive rod

Bacillus

Gram negative rod

Salmonella

Gram negative cocci

Neisseria