Aeromonas hydrophila
|
|
White/beige |
|
single rods 3 - 5 um long |
Alcaligenes faecalis
|
|
Off-white,
spreading edges, turning pink in center |
|
single coccobacilli (short rods) 1 - 2 um long |
Branhamella catarrhalis
|
|
|
|
paired cocci 1 - 2 um in diameter |
Chromobacterium violaceum
|
|
Small,
opaque, purple |
|
single rods 2 - 3 um in length |
Citrobacter freundii
|
|
White/beige |
|
single rods 2 - 3 um in length |
Edwardsiella tarda
|
|
White,
flat |
|
single rods 2-5 um in length |
Enterobacter aerogenes & cloacae
|
|
White/beige |
|
single rods 2 - 3 um in length |
Escherichia coli (B)
|
|
White/beige |
|
single rods 2 - 3 um in length |
Escherichia coli (K12)
|
|
White/beige |
|
single rods 2 - 3 um in length |
Klebsiella pneumoniae
|
|
White/beige |
|
single rods 2 - 3 um in length |
Leclercia adecarboxylata
|
|
White/beige/yellow |
|
single rods 2 - 3 um in length |
Morganella morganii
|
|
White/beige |
|
single rods 2 - 3 um in length |
Neisseria perflava & sicca
|
|
White/beige |
|
paired cocci 1 um in diameter |
Novosphingobium capsulatum
|
|
Yellow/orang |
|
long irregular rods |
|
|
|
|
|
Proteus vulgaris
|
|
White/beige,
swarming |
|
single rods 2 - 3 um in length |
Providencia alcalifaciens
|
|
White/beige |
|
single rods 2 - 3 um in length |
Pseudomonas aeruginosa
|
|
White/beige,
spreading edges, turn pink as they get older |
|
single rods 2 - 4 um in length |
Pseudomonas fluorescens
|
|
White/beige |
|
single rods 2 - 3 um in length |
Pseudomonas putida
|
|
Small,
pale yellow |
|
single rods 2 - 3 um in length |
Rhizobium leguminasorum
|
|
Beige/white |
|
single rods 2 - 3 um in length |
Rhodospirillum rubrum
|
|
Small
red, grow slowly |
|
in young cultures, cells are curved (vibrio) and 2 - 4 um
long. As they get older, long spirals (10 - 20 um) may be seen as well |
|
|
|
|
Serratia liquefaciens
|
|
White/beige |
|
single rods 2 - 3 um in length |
Serratia marcesens
|
|
Red/orange |
|
single rods 2 - 3 um in length |
Shigella dysenteriae
|
|
White/beige |
|
single rods 2 - 3 um in length |
Stentrophomonas maltophila
|
|
White/beige |
|
single rods 2 - 5 um in length |
Vibrio natriegens
|
|
White/beige |
|
single rods 2 - 3 um in length |
Vibrio parahaemolyticus
|
|
White/beige |
|
single rods or curved cells 2 - 3 um in length |
Yersinia enterocolitica
|
|
White/beige |
|
single rods 2 - 3 um in length |
Gram-positive bacteria
|
Arthrobacter globiformis
|
|
Opaque white colonies |
|
Irregular rods 3 - 5 um |
Actinomyces spp.
|
|
Small, dry, powdery white colonies |
|
Filamentous rods, branching; Spores may be present |
|
|
|
|
Bacillus cereus
|
|
Large
flat white |
|
rod-shaped cells, 3 - 5 um long, in chains; endospores may
be visible |
Bacillus mycoides
|
|
White
opaque with rhizoid edges |
|
rod-shaped cells, 2 - 4 um long, in chains; endospores may
be visible |
Bacillus subtilis
|
|
large
white flat and opaque |
|
rod-shaped cells, 3 - 5 um long, in chains; endospores may
be visible |
Bacillus thuringiensis
|
|
large
white flat and opaque |
|
rod-shaped cells, 3 - 5 um long, in chains; endospores may
be visible |
Clostridium sporogenes
|
|
white
opaque with rhizoid edges |
|
single rod-shaped cells; endospores may be present |
Corynebacterium pseudodip.
|
|
Beige,
small and opaque |
|
irregular (club-shaped) rods, 2 - 3 um long, often in
parallel (palisade) arrangements or V-shapes |
Enterococcus faecalis
|
|
Small
white |
|
round or oval cocci, 1 um in diameter, forming pairs or
short chains |
Kurthia gibsonii
|
|
White/Beige
opaque |
|
regular-shaped rods, 2 - 4 um long, in pairs or short chains |
Lactobacillus acidophilus
|
|
Small
white |
|
single rods, 2 - 3 um long |
Lactobacillus plantarum
|
|
Small white |
|
single rods, 2 - 3 um long |
Leuconostoc mesenteroides
|
|
translucent white colonies |
|
chains of cocci 1 um in diameter |
Listeria monocytogenes
|
|
Small translucent white colonies |
|
single rods, 2 - 3 um long |
Micrococcus luteus
|
|
Small
pale yellow |
|
cocci 1 - 2 um in diameter, in regular clusters, esp.
tetrads |
MIcrococcus lysodeitikus
|
|
Medium sized beige colonies |
|
clusters/tetrads of cocci 1 - 2 um in diameter |
Micrococcus nishyominensis
|
|
orange/red |
|
cocci 1 - 2 um in diameter, in regular clusters, esp.
tetrads |
Micrococcus roseus
|
|
Small
pink |
|
cocci 1 - 2 um in diameter, in regular clusters, esp.
tetrads |
Mycobacterium phlei
|
|
Small
crumbly/dry white/beige |
|
thin rods, 3 - 5 um long, often clumped into filaments |
Nocardia corallina
|
|
Small white powder colonies |
|
branching filaments (hyphae) |
Pediococcus damnosus
|
|
Small white |
|
cocci, often clumped or in tetrads |
Paenibacillus polymyxa
|
|
flat white |
|
long thin rods, 3 - 5 um; spores and endospores may be
present |
Sarcina auriantiaca
|
|
orange/red |
|
cocci in tetrads |
Sporosarcina ureae
|
|
Dark
yellow, small |
|
cocci, 1 um in diamater, clumped into tetrads |
Staphylococcus aureus
|
|
Yellow/golden |
|
cocci, 1 um in diameter, in irregular clusters |
Staphylococcus epidermis
|
|
White |
|
cocci, 1 um in diameter, in irregular clusters |
Staphylococcus saprophyticus
|
|
White |
|
cocci, 1 um in diameter, in irregular clusters |
Staphylococcus xerosis
|
|
golden yellow |
|
cocci, 1-2 um in diameter, in irregular clusters |
Streptococcus lactis
|
|
Small
white |
|
cocci (oval or round) in short or long chains |
Streptococcus pyogenes
|
|
Small white |
|
oval or round cocci, 1 um in diameter, often in long chains |
Streptococcus thermophilus
|
|
Small
white |
|
cocci (oval or round) in short or long chains |
Streptomyces antibioticus
|
|
Powdery/filamentous white |
|
branching filaments |