隱孢子蟲屬

隱孢子蟲屬學名Cryptosporidium)是頂複門的一個,本屬部分物種可感染包括人類在內的許多脊椎動物,造成隱孢子蟲病,症狀包括腹瀉咳嗽[1]

隱孢子蟲屬
人類糞便中發現鼠隱孢子蟲卵囊
科学分类 编辑
域: 真核域 Eukaryota
演化支 多貌生物 Diaphoretickes
演化支 TSAR超类群 TSAR
演化支 SAR超类群 SAR
演化支 囊泡虫类 Alveolata
门: 頂複門 Apicomplexa
纲: 類錐體綱 Conoidasida
目: 真球蟲目 Eucoccidiorida
科: 隱孢子蟲科 Cryptosporidiidae
属: 隱孢子蟲屬 Cryptosporidium
Tyzzer, 1907
異名
  • Cryptocystidium Paperna, Landsberg & Ostrovska, 1986

感染

隱孢子蟲與瘧原蟲弓形蟲皆為頂複門的寄生蟲,有別於後兩者,隱孢子蟲的生活史中不需中間宿主[2]。隱孢子蟲病多為短期、急性的疾病,感染後隱孢子蟲可生存在人類的腸道長達五週,造成腹瀉等症狀[1]。在體外隱孢子蟲以卵囊的形式存在,對環境的抗性很高,進入人體後即可感染小腸上皮組織。造成人類隱孢子蟲病的物種大多是小隱孢子蟲人隱胞子蟲兩種,不過犬隱孢子蟲C. canis)、貓隱孢子蟲C. felis)、火雞隱胞子蟲C. meleagridis)與鼠隱孢子蟲也可能感染人類[2]免疫缺陷者被感染的症狀一般較嚴重,但免疫正常者也可能被感染[2]

基因組

2004年,小隱孢子蟲基因組被完整定序,發現其粒線體中不含有DNA[3]

下属物种

本属包括以下物种:

  • Cryptosporidium andersoni Lindsay, Upton, Owens, Morgan, Mead & Blagburn, 2000
  • Cryptosporidium baileyi Current, Upton & Haynes, 1986
  • Cryptosporidium bovis Barker & Carbonell, 1974
  • Cryptosporidium canis Fayer, Trout, Xiao, Morgan, Lal & Dubey, 2001
  • Cryptosporidium cichlidis (Paperna & Vilenkin, 1996)
  • Cryptosporidium cuniculus Inman & Takeuchi, 1979
  • Cryptosporidium felis Iseki, 1979
  • Cryptosporidium galli Pavlásek, 1999
  • Cryptosporidium hominis Morgan-Ryan, Fall, Ward, Hijjawi, Sulaiman, Fayer, Thompson, Olson, Lal & Xiao, 2002
  • Cryptosporidium meleagridis Slavin, 1955
  • Cryptosporidium molnari Alvarez-Pellitero & Sitjà-Bobadilla, 2002
  • Cryptosporidium muris Tyzzer, 1907
  • Cryptosporidium nasoris Hoover, Hoerr, Carlton, Hinsman & Ferguson, 1981
  • Cryptosporidium nasorum Hoover et al., 1981
  • 小隱孢子蟲 Cryptosporidium parvum Tyzzer, 1912
  • Cryptosporidium pestis Slapeta, 2006
  • Cryptosporidium reichenbachklinkei (Paperna & Vilenkin, 1996)
  • Cryptosporidium scophthalmi Alvarez-Pellitero, Quiroga, Sitjà-Bobadilla, Redondo, Palenzuela, Padrós, Vázquez & Nieto, 2004
  • Cryptosporidium serpentis Levine, 1980
  • Cryptosporidium suis Ryan, Monis, Enemark, Sulaiman, Samarasinghe, Read, Buddle, Robertson, Zhou, Thompson & Xiao, 2004
  • Cryptosporidium ubiquitum Fayer, Santin & Macarisin, 2010
  • Cryptosporidium varanii Pavlásek, Lávicková, Horák, Král & Král, 1995
  • Cryptosporidium viatorum Elwin, Hadfield, Robinson, Crouch & Chalmers, 2012
  • Cryptosporidium wrairi Vetterling, Jervis, Merill & Sprinz, 1971
  • Cryptosporidium xiaoi Fayer & Santin, 2009

參考文獻

  1. Sponseller JK, Griffiths JK, Tzipori S. . Clinical Microbiology Reviews. July 2014, 27 (3): 575–86. PMC 4135895可免费查阅. PMID 24982322. doi:10.1128/CMR.00115-13.
  2. . Centers for Disease Control and Prevention. February 20, 2015 [2020-07-10]. (原始内容存档于2021-05-06).
  3. Abrahamsen MS, Templeton TJ, Enomoto S, Abrahante JE, Zhu G, Lancto CA, Deng M, Liu C, Widmer G, Tzipori S, Buck GA, Xu P, Bankier AT, Dear PH, Konfortov BA, Spriggs HF, Iyer L, Anantharaman V, Aravind L, Kapur V. . Science. April 2004, 304 (5669): 441–5. PMID 15044751. doi:10.1126/science.1094786.
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