The life cycle of Ortholinea auratae (Myxozoa: Ortholineidae) involves an actinospore of the triactinomyxon morphotype infecting a marine oligochaete

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• 作者：Luis F. Rangel ; Sónia Rocha ; Ricardo Castro ; Ricardo Severino…
• 关键词：Myxozoa ; Ortholinea auratae ; Sparus aurata ; Limnodriloides agnes ; Life cycle ; Triactinomyxon ; Oligochaeta
• 刊名：Parasitology Research
• 出版年：2015
• 出版时间：July 2015
• 年：2015
• 卷：114
• 期：7
• 页码：2671-2678
• 全文大小：1,352 KB
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• 作者单位：Luis F. Rangel (1) (2)
  Sónia Rocha (2) (3)
  Ricardo Castro (1) (2)
  Ricardo Severino (2)
  Gra?a Casal (2) (4)
  Carlos Azevedo (2) (3) (5)
  Francisca Cavaleiro (2)
  Maria J. Santos (1) (2)
  
  1. Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, Edifício FC4, 4169-007, Porto, Portugal
  2. Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Rua dos Bragas 289, 4050-123, Porto, Portugal
  3. Laboratory of Cell Biology, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Rua Jorge Viterbo Ferreira n 228, 4050-313, Porto, Portugal
  4. Department of Sciences, High Institute of Health Sciences-North, CESPU, Rua Central da Gandra, 1317, 4585-116, Gandra, Portugal
  5. Zoology Department, College of Sciences, King Saud University, 11451, Riyadh, Saudi Arabia
  
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Biomedicine
  Medical Microbiology
  Microbiology
  Immunology
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-1955

文摘

Actinospores released from the marine oligochaete Limnodriloides agnes inhabiting a Southern Portuguese fish farm are molecularly recognized as developmental stages of the life cycle of Ortholinea auratae, a myxosporean parasite that infects the urinary bladder of Sparus aurata. The molecular analysis of the 18S rRNA gene reveals a similarity of 99.9 to 100?% of the actinospores analyzed to the myxospores of O. auratae. The actinospores belong to the triactinomyxon morphotype and occur in groups of eight within pansporocysts that develop in the intestinal epithelium of the oligochaete host. This is the first record of a myxosporean using an oligochaete as its invertebrate host in the marine environment.