First report of Kudoa thunni and Kudoa musculoliquefaciens affecting the quality of commercially harvested yellowfin tuna and broadbill swordfish in Eastern Australia.

التفاصيل البيبلوغرافية
العنوان:	First report of Kudoa thunni and Kudoa musculoliquefaciens affecting the quality of commercially harvested yellowfin tuna and broadbill swordfish in Eastern Australia.
المؤلفون:	Bolin JA; School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, QLD, Australia. jessica.anne.bolin@gmail.com.; CSIRO Oceans and Atmosphere, Hobart, TAS, Australia. jessica.anne.bolin@gmail.com., Cummins SF; School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, QLD, Australia.; Genecology Research Centre, University of the Sunshine Coast, Sippy Downs, QLD, Australia., Mitu SA; School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, QLD, Australia.; Genecology Research Centre, University of the Sunshine Coast, Sippy Downs, QLD, Australia., Schoeman DS; School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, QLD, Australia.; Centre for African Conservation Ecology, Nelson Mandela University, Port Elizabeth, South Africa., Evans KJ; CSIRO Oceans and Atmosphere, Hobart, TAS, Australia., Scales KL; School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, QLD, Australia.
المصدر:	Parasitology research [Parasitol Res] 2021 Jul; Vol. 120 (7), pp. 2493-2503. Date of Electronic Publication: 2021 Jun 11.
نوع المنشور:	Journal Article
اللغة:	English
بيانات الدورية:	Publisher: Springer International Country of Publication: Germany NLM ID: 8703571 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-1955 (Electronic) Linking ISSN: 09320113 NLM ISO Abbreviation: Parasitol Res Subsets: MEDLINE
أسماء مطبوعة:	Original Publication: Berlin : Springer International, c1987-
مواضيع طبية MeSH:	Fishes/parasitology , Myxozoa/classification , Tuna/*parasitology, Animals ; Australia ; DNA, Ribosomal/genetics ; Fish Diseases/epidemiology ; Fish Diseases/parasitology ; Muscles/parasitology ; Myxozoa/anatomy & histology ; Myxozoa/genetics ; Pacific Ocean ; Parasitic Diseases, Animal/epidemiology ; Parasitic Diseases, Animal/parasitology ; Phylogeny ; RNA, Ribosomal, 18S/genetics ; RNA, Ribosomal, 28S/genetics ; Seafood/parasitology ; Species Specificity
مستخلص:	Recent anecdotal reports from seafood processors in eastern Australia have described an increased occurrence of post-mortem myoliquefaction ('jellymeat') in broadbill swordfish Xiphias gladius, and macroscopic cysts throughout the musculature of yellowfin tuna Thunnus albacares. A genus of parasitic cnidarians, Kudoa (Myxosporea, Multivalvulida), species of which are known to occur in economically important wild-caught fish species globally, can cause similar quality-deterioration issues. However, Kudoa sp. epizootiology within commercially harvested, high-value fish caught within Australia is poorly understood, despite the parasite's economic importance. To determine the causative agent responsible for the observed quality deterioration in swordfish and yellowfin tuna, muscle-tissue samples from seafood processors in Mooloolaba, Australia, collected from October 2019-February 2020, were examined for parasitic infection. Kudoid myxospores were identified from both hosts and were subquadrate in shape, with four equal-sized polar capsules. The SSU rDNA sequences from both fish shared > 99% identity to Kudoa species. Kudoa musculoliquefaciens was isolated from 87.1% of swordfish sampled, suggesting that it is a widespread parasite in swordfish from the southwest Pacific Ocean. This study provides the first molecular and morphological characterisation of Kudoa thunni in yellowfin tuna and K. musculoliquefaciens in swordfish harvested from the waters of eastern Australia, expanding the geographical distribution of K. thunni and K. musculoliquefaciens to include the Coral and Tasman Seas. We demonstrate that not all infected swordfish progress to jellymeat, show the usefulness of molecular tools for reliably identifying infection by Kudoa spp., and add to the overall knowledge of kudoid epizootiology in wild-caught fish.
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معلومات مُعتمدة:	AQIRF222-2019RD2 Advance Queensland Industry Research Fellowship; Michael Hall Award for Innovation Australian Society for Fish Biology; ResearchPlus Top-Up Scholarship Commonwealth Scientific and Industrial Research Organisation
فهرسة مساهمة:	Keywords: Molecular biology; Myoliquefaction; Myxozoa; Seafood; Thunnus albacares; Xiphias gladius
المشرفين على المادة:	0 (DNA, Ribosomal) 0 (RNA, Ribosomal, 18S) 0 (RNA, Ribosomal, 28S)
تواريخ الأحداث:	Date Created: 20210611 Date Completed: 20210713 Latest Revision: 20210713
رمز التحديث:	20231215
DOI:	10.1007/s00436-021-07206-8
PMID:	34115215
قاعدة البيانات:	MEDLINE

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تدمد:	1432-1955
DOI:	10.1007/s00436-021-07206-8