Classification of pathogenic bacteria

CLASSIFICATION OF PATHOGENIC BACTERIA

Cell shape
Characteristics
Genus
Family
Gram negative bacteria
Cocci
Aerobic
Neisseria
Veilonella
Neisseriaceae
Coccobacilli
-
Brucella
Bordetella
Pasteurella, Mannheimia
Haemophilu s
Brucellaceae
Bacilli
Facultative anaerobic, motile with peritrichous flagella or non motile
Escherichia, Shigella, Salmonella, Proteus, Erwinia, Yersinia, Enterobacter, Serratia
Enterobacteriaceae
Aerobic, motile with peritrichous flagella or non motile
Azotobacter Rhizobium
Azotobacteraceae
Aerobic, motile with polar flagella
Nitrosomonas, Nitrobacter, Thiobacillus,
Pseudomonas, Acetobacter, Legionella
Rhizobiaceae
Facultative anaerobic with polar flagella
Campylobacter, Zymomonas, Aeromonas
Nitrobacteraceae Pseudomona-daceae
Curved rods with polar flagella
Vibrio, Spirillum, Desulfovibrio
Spirillaceae
Gram positive bacteria
Cocci
Cells in irregular clusters
Staphylococcus, Micrococcus, Sarcina
Micrococcaceae
Cells in chains
Streptococcus, Leuconostoc
Streptococcaceae
Bacilli
Aerobic Spore forming
Anaerobic Spore forming
Bacillus
Clostridium
Bacillaeceae
Lactic fermentation
Propionic fermentation
Lactobacillus
Propionibacterium
Lactobacillacaeae
Propioni-bacteriaceae
Oxidative, weakly fermentative
Corynebacterium
Listeria
Erysipelothrix
-
Other major groups
Acid-fast rods
Ray-forming rods
-
Mycobacterium
Actinomyces, Nocardia,
Streptomyces
Actinomycetales
Spiral organisms
motile
Treponema
Borrellia
Leptospira
Spirocheta
Spirochetales
Small pleomorphic
lack rigid wall
Mycoplasma
Mollicutes
Small intracellular parasites
-
Rickettsiae
Coxiella
Chlamydia
Rickettsiaceae Chlamydiaceae
Intracellular parasites
borderline with protozoa
Bartonella
Bartonellaceae

 

Last modified: Monday, 4 June 2012, 4:08 AM