Defining Characteristics of Bacterias

Cut glass appearance

Aeromonas hydrophila

Branching/Beading appearance

Actinomyces israelii

Star shaped colonies

Actinobacillus actinomycetemcomitans

Box-Car, Medusa Head

Bacillus anthracis

Beaten egg white consistency

Bacillus anthracis

Ground glass appearance

Bacillus anthracis and Legionella pneumophila

Bifurcated/forked ends

Bifidobacterium spp.

Mercury droplet colonies

Bordetella spp.

Flowerette/Rosette

Cardiobacterium hominis

Club shaped appearance

Corynebacreium diptheriae

Pink colonies with dark center on EMB "FISH EYE"

Enterobacter spp.

Speckled colonies

Fusobacterium nucleatum

Bread crumb colonies, pointed/tapered end

Fusobacterium nucleatum

School of fish appearance

Haemophilus ducreyi

Dew drop colonies with Satellitism

Haemophilus influenzae

Hockey Puck Colonies

Moraxella cattarhalis

Fried Egg Colonies

Mycoplasma spp.

Water droplet colonies

Mycobacterium bovis

Bird's nest colonies

Mycobacterium xenopi

Cigar pocket arrangement

Mycobacterium ulcerans/leprae

Puff/Fluff balls appearance

Streptobacillus moniliformis

Dome shaped colonies

Streptococcus pneumonia

Bull's eye colonies

Yersinia enterocolitica

Safety pin appearance

Yersinia pestis

Stalactite growth on broth

Yersinia pestis

Ammonia like odor

Acinetobacter spp.

Dirt like odor

Burkholderia cepacia

Earthy odor

Burkholderia pseudomallei

Ammonium cyanide odor

Chromobacterium violaceum

Horse stable/Burnt yard odor

Clostridium difficile

Bleach like odor

Eikenella corrodens

Mousy odor

Haemophilus influenza/Pasteurella multocida

Burnt gun powder/Burnt chocolate

Proteus vulgaris

Corn tortilla/Over ripe grape/fruity

Pseudomonas aeruginosa

Potato odor

Pasteurella odorifera

Musty odor

Pasteurella spp.