Actinomycetes: Difference between revisions
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* The order Actinomycetales also include [[Corynebacterium species|Corynebacterium]] and [[Mycobacterium]] |
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[[Category:Gram-positive bacilli]] |
[[Category:Gram-positive bacilli]] |
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Revision as of 12:12, 16 August 2020
Background
- A genetically unrelated group of filamentous Gram-positive bacilli
- Environmental organisms found in soil
- More commonly seen in fungal cultures
- Typically not acid-fast, though some are partially acid-fast
Organisms
| Genus | Infections |
|---|---|
| Partially acid-fast (cell wall contains mycolic acid) | |
| Nocardia | mycetoma, lymphocutaneous infections, skin abscesses; in immunocompromised hosts, invasive pulmonary and disseminated infections |
| Rhodococcus | pulmonary infections, bacteremia, skin and wound infections, UTIs, endophthalmitis, peritonitis, CLABSI, abscess in prostate, spleen, thyroid, kidney, or brain, osteomyelitis; associated with horses |
| Gordonia | skin infections, chronic pulmonary disease, CLABSI, wound infections, bacteremia |
| Tsukamurella | peritonitis, CLABSI, skin infection |
| Not partially acid-fast (cell wall does not contain mycolic acid) | |
| Streptomyces | commonly contaminant; inoculation skin infection including mycetoma |
| Actinomadura | inoculation skin infection including mycetoma |
| Dermatophilus | inoculation skin infection from insects or thorns |
| Nodardiopsis | |
| Oerskovia | |
- The order Actinomycetales also include Corynebacterium and Mycobacterium
