Microscopic view
Photo  Album
(c) Costin Stoica
Acinetobacter baumannii
Actinobacillus lignieresii
Aeromonas hydrophila
Alcaligenes faecalis
Avibacterium gallinarum
Bacillus amyloliquefaciens spores and
vegetative cells
Bacillus atrophaeus spores and vegetative
cells
Bacillus anthracis malachite-green stained,
central, non-deforming spores
Bacillus cereus
vegetative cells and spores
Bacillus firmus
vegetative cells (A) and spores (B)
Bacillus laterosporus
side, deforming spores
Bacillus licheniformis
vegetative cells and spores
Bacillus megaterium
(Gram-stained, old culture)
Bacillus pumilus vegetative cells and
central, nondeforming spores
Bacillus subtilis Gram staining
Bacillus thuringiensis cells by Gram staining
(left) and spores outside vegetative cells by
malachite-green staining (right)
Bacillus velezensis Gram staining
Bordetella bronchiseptica
Brachyspira (Serpulina) hyodysenteriae
Citricoccus spp. Gram-positive cells
Citrobacter braakii
Clostridium perfringens (Gram staining)
Comamonas kerstersii (C. terrigena DNA
group 3)
Corynebacterium amycolatum,
Gram-positive stacked coccobacilli
Enterococcus faecalis
Enterococcus faecium
Enterococcus gallinarum
Erysipelothrix rhusiopathiae
Escherichia coli
Fusobacterium necrophorum
Gallibacterium genomospecies 3
Gram-negative coccobacilli
Gemella haemolysans
Granulicatella (Abiotrophia) adiacens
(Streptococcus adjacens)
Geobacillus stearothermophilus
Gram-stained
Helicobacter pylori 7 days culture: young
spiral-shaped cells and old coccoid cells
Klebsiella pneumoniae subsp. pneumoniae
Kocuria rosea
Large, terminal, deforming spores
(
Bacillus spp.)
Lactobacillus acidophilus
Lactobacillus casei
Lactobacillus delbrueckii
Lactobacillus fermentum
Lactobacillus paracasei
Lactobacillus pentosus
Lactobacillus reuteri
Lactobacillus rhamnosus
Lactobacillus salivarius
Lactococcus garvieae
Lysinibacillus (Bacillus) sphaericus
Gram-stained cells
Lysinibacillus sphaericus sub-terminal
spores, swelling the vegetative cells.  
Malachite-green staining
Mannheimia (Pasteurella) haemolytica
Micrococcus luteus
Moraxella cuniculi
Morganella morganii
Mycobacterium avium
Ziehl-Neelsen staining
Mycobacterium bovis forming cords
Ziehl-Neelsen staining
Paenibacillus macerans terminal spores,
swelling the cells
Peribacillus asahii spores and vegetative
cells
Proteus hauseri
Pseudomonas aeruginosa
Pseudomonas fluorescens
Pseudomonas (Chriseomonas) luteola
Pseudomonas putida
Pseudomonas stutzeri
A: Salmonella Galinarum-Pullorum,
Gram-stained. B: same culture after group D
antiserum agglutination.
Serratia marcescens
Staphylococcus aureus
Staphylococcus chromogenes
Staphylococcus epidermidis
Staphylococcus intermedius
Staphylococcus lentus
Staphylococcus lugdunensis
Staphylococcus sciuri
Staphylococcus xylosus
Streptococcus agalactiae, Gram-positive
ovoid cells, long chains
Streptococcus canis
Streptococcus cristatus
Streptococcus gordonii
Streptococcus mutans
Streptococcus mitis
Streptococcus pluranimalium
Streptococcus porcorum
Streptococcus pyogenes
Streptococcus sanguinis
Vibrio metschnikovii Gram-negative curved
rods
Yersinia pseudotuberculosis Gram-negative
rods
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