Biology:Anncaliia algerae

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Anncaliia algerae
Scientific classification edit
Division: Microsporidia
Genus: Anncaliia
A. algerae
Binomial name
Anncaliia algerae
(Vávra & Undeen) C. Franzen, E.S. Nassonova, J. Schölmerich & I.V. Issi

Anncaliia algerae is an aquatic unicellular parasite in the division microsporidium. A. algerae most commonly infects mosquitoes.[1]


A. algerae, former genera Nosema and Brachiola, is an emerging human pathogen. It has caused severe myositis in patients taking immunosuppressive medication for rheumatoid arthritis or solid-organ transplantation. It also has led to skin abscesses and an infection of the false vocal cord in patients receiving chemotherapy for hematologic malignancies and caused keratitis in a man with no significant medical history. Cases discussed in Emerging Infectious Diseases in February 2014 show that A. algerae myositis caused fever, weight loss, fatigue, generalized muscle weakness and pain, dysphagia, glossitis, peripheral edema, and diarrhea. The journal concludes that "A. algerae myositis is [an] uncommon infection and has a high case-fatality rate." [2]


  • This article incorporates public domain text from the CDC as cited
  1. Monaghan SR (Feb 2011). "In vitro growth of microsporidia Anncaliia algerae in cell lines from warm water fish". In Vitro Cell Dev Biol Anim 47 (2): 104–13. doi:10.1007/s11626-010-9366-3. PMID 21086187. 
  2. Watts, MR, Chan RCF, Cheong EYL, Brammah S, Clezy KR, Tong C (Feb 2014). "Anncaliia algerae Microsporidial Myositis.". Emerg Infect Dis 20 (2): 185–191. doi:10.3201/eid2002.131126. PMID 24447398. PMC 3901472.