Structural and molecular characterization of Kudoa quraishii n. sp. from the trunk muscle of the Indian mackerel Rastrelliger kanagurta (Perciforme, Scombridae) in Saudi Arabia coasts

A new Myxozoa, Kudoa quraishii n. sp., is reported in the striated muscle of the Indian mackerel Rastrelliger kanagurta from the Red Sea and the Arabian Gulf in Saudi Arabia. Mean prevalence of infection is about 20 % and varies between localities. The parasite develops whitish and oval or rounded p...

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Bibliographic Details
Published in:Parasitology research (1987) 2014-04, Vol.113 (4), p.1361-1370
Main Authors: Mansour, Lamjed, Harrath, Abdel Halim, Abd-Elkader, Omar H., Alwasel, Saleh, Abdel-Baki, Abdel-Azeem S., Al Omar, Suliman Y.
Format: Article
Language:English
Subjects:
Animals
Biomedical and Life Sciences
Biomedicine
Brackish
Discovery and exploration
DNA, Ribosomal - genetics
Fish Diseases - parasitology
Health aspects
Host-parasite relationships
Immunology
Kudoa
Mackerel
Marine
Medical Microbiology
Microbiological research
Microbiology
Muscle, Skeletal - parasitology
Myxozoa
Myxozoa - classification
Myxozoa - cytology
Myxozoa - isolation & purification
Myxozoans
Original Paper
Perciformes
Perciformes - parasitology
Phylogeny
Rastrelliger kanagurta
Saudi Arabia
Scomber
Scombridae
Spores - cytology
Zoological research
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Summary:A new Myxozoa, Kudoa quraishii n. sp., is reported in the striated muscle of the Indian mackerel Rastrelliger kanagurta from the Red Sea and the Arabian Gulf in Saudi Arabia. Mean prevalence of infection is about 20 % and varies between localities. The parasite develops whitish and oval or rounded pseudocysts of 0.2–3 mm in the striated muscles of the body. Pseudocysts are filled with mature spores. Myxospores are quadrate in shape in apical view with rounded edges and ovoid in side view. Each spore is formed by four equal shell valves and four symmetrical polar capsules. Polar capsules are pyriform in apical view and drop-like in side view. Myxospore measurements in micrometers are 6.14 (5.9–6.34) in width, 5.48 (5.3–5.71) in thickness, and 4.27 (4.1–4.42) in length. Polar capsule measurements in apical view in micrometers are 2.08 (1.88–2.28) and 1.31 (1.10–1.52) length by width. Molecular analysis based on SSU rDNA gene shows closest association with K. amamiensis and K. kenti with respectively 98 and 97.2 % of similarities.
ISSN:0932-0113
1432-1955
DOI:10.1007/s00436-014-3775-2