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Title: 'Thelohania parastaci' sp. nov. (Microspora: Thelohaniidae), a parasite of the Australian freshwater crayfish, 'Cherax destructor' (Decapoda: Parastacidae)
Contributor(s): Moodie, Elizabeth (author); Le Jambre, Leo Frederick (author); Katz, Margaret Ethel  (author)
Publication Date: 2003
DOI: 10.1007/s00436-003-0941-3
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Abstract: 'Thelohania parastaci' sp. nov. infects the Australian freshwater crayfish, 'Cherax destructor'. Data on morphology, developmental patterns and sequences from the small subunit (SSU) and internal transcribed spacer (ITS) regions of the ribosomal DNA (rDNA) of 'T. parastaci' sp. nov. are described. The ultrastructural features of different life cycle stages are very similar to those of the European crayfish parasite 'Thelohania contejeani'. 'T. parastaci' sp. nov. exhibits simultaneous dimorphic sporogony in muscle tissue, within haemocytes in the hepatopancreas, and in the intestinal wall of infected crayfish. 'T. parastaci' sp. nov. shows 92% sequence identity with 'T. contejeani' and only 67% sequence identity with the fire ant pathogen 'T. solenopsae', when SSU rDNA sequences are compared. Analysis of SSU rDNA and ITS sequences of 'T. parastaci' sp. nov. from crayfish from Victoria, Western Australia, and New South Wales indicate that the parasite has a wide geographical distribution in Australia.
Publication Type: Journal Article
Source of Publication: Parasitology Research, 91(2), p. 151-165
Publisher: Springer
Place of Publication: New York, USA
ISSN: 0932-0113
Field of Research (FOR): 070708 Veterinary Parasitology
Socio-Economic Objective (SEO): 830101 Aquaculture Crustaceans (excl. Rock Lobster and Prawns)
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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