SBM 2044 Medical Microbiology BacteriaInternational Islamic University of Malaysia
Table of Gram reaction of Medically Important BacteriaBacteria are designated at Genus level
Gram positive Gram negativeAerobic Facultative Microaerophili
cAnaerobic Aerobic Facultative Microaerophilic Anaerobic
COCCI
StaphylococcusStreptococcusEnterococcus
Peptococcus NeisseriaF
MoraxellaF VeillonellaF
BACILLI
Bacillus
ListeriaCorynebacterium Actinomyces
israelii
ClostridiumF
Pseudomonas
EscherichiaSalmonellaShigellaKlebsiellaProteusYersinia
Vibrio
HaemophilusF
BrucellaF
BordetellaF
LegionellaF
CampylobacterF
HelicobacterFBacteriodesF
PrevotellaF
FusobacteriaF
Mycobacterium, Treponema, Leptospira, Chlamydia, Rickettsia, and Mycoplasma cannot be properly demonstrated with the Gram stain
F denotes a fastidious group of microorganisms