Prototheca wickerhamii
MICROBIOLOGY
- Members of genus Prototheca, an achlorophyllic green algae.
- The genus is now included within the class Trebouxiophyceae, order Chlorellales, and family Chlorellaceae
- Prototheca wickerhamii is the most frequently isolated.
- Other species reported: P. zopfii is the second most commonly isolated, followed distantly by P. cutis and P. miyajii.
- P. wickerhamii appears with more symmetrical and smaller morula and sporangia than P. zopfii
- Present in water, soil and decomposing matter.
- It may be found in flora and excrement of multiple mammals, especially cattle and dogs.
- It may behave like slow-growing yeast in the micro lab.
- Growth may be achieved on chocolate agar, Sabouraud dextrose agar or sheep blood agar.
- Colonial growth appears dull-white [Fig 1].
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Last updated: September 10, 2023
Citation
Auwaerter, Paul G. "Prototheca Wickerhamii." Johns Hopkins ABX Guide, The Johns Hopkins University, 2023. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540782/all/Prototheca_wickerhamii.
Auwaerter PG. Prototheca wickerhamii. Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540782/all/Prototheca_wickerhamii. Accessed December 12, 2024.
Auwaerter, P. G. (2023). Prototheca wickerhamii. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540782/all/Prototheca_wickerhamii
Auwaerter PG. Prototheca Wickerhamii [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. [cited 2024 December 12]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540782/all/Prototheca_wickerhamii.
* Article titles in AMA citation format should be in sentence-case
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