Streptococcus pseudopneumoniae

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Streptococcus pseudopneumoniae
Scientific classification Edit this classification
Domain: Bacteria
Kingdom: Bacillati
Phylum: Bacillota
Class: Bacilli
Order: Lactobacillales
Family: Streptococcaceae
Genus: Streptococcus
Species:
S. pseudopneumoniae
Binomial name
Streptococcus pseudopneumoniae
Arbique et al. 2004

Streptococcus pseudopneumoniae is a gram-positive coccus that may cause pneumonia in humans.[1][2] It was first described in 2004.[1] The organism is often mistaken for S. pneumoniae[1] and its clinical importance is as yet uncertain. It seems likely that most cases of S. pseudopneumoniae pneumonia are misdiagnosed as S. pneumoniae.[2]

The bacterium has a number of features that allows it to be distinguished from S. pneumoniae:[2]

  • There is no pneumococcal capsule (and is therefore not typable).[2]
  • It is not soluble in bile.[2]
  • It is sensitive to optochin when incubated in ambient air, but appears resistant or to have indeterminate susceptibility when incubated in 5% carbon dioxide.[2]
  • Commercial DNA probe hybridization tests (e.g., AccuProbe Streptococcus pneumoniae culture identification test; Gen-Probe, San Diego, CA) are falsely positive.[2]

Penicillin is the treatment of choice.[2] Most reported isolates are resistant to erythromycin and to tetracycline.

References

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  2. ^ a b c d e f g h Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).

Further reading

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