| Moraxella lacunata | |
|---|---|
 | |
| Microscope view of Moraxella lacunata bacteria | |
Scientific classification | |
| Domain: | Bacteria |
| Kingdom: | Pseudomonadati |
| Phylum: | Pseudomonadota |
| Class: | Gammaproteobacteria |
| Order: | Pseudomonadales |
| Family: | Moraxellaceae |
| Genus: | Moraxella |
| Species: | M. lacunata |
| Binomial name | |
| Moraxella lacunata (Eyre 1900) Lwoff 1939 (Approved Lists 1980) | |
Moraxella lacunata is a rod-shaped,[1]Gram-negative, nonmotile bacterium, generally present asdiploid pairs.[2] It causes one of the commonest forms of catarrhalconjunctivitis.[3]
Moraxella lacunata was first described independently byVictor Morax (1896) andTheodor Axenfeld (1897), hence the alternate name "Morax-Axenfeld diplobacilli" and the name of eye infection in humans is sometimes called Morax-Axenfeld conjunctivitis.[2]
It has the ability to change itsmorphology in laboratory. M. lacunata became shorter and tended to lose itsGram-negative staining characteristic when left out for 5 days. It also tended to retain these new characteristics on subsequent blood-agar transfers.[4]
Infection occurs mainly in adults, but can occur at any age. It is characterized by:
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