Aphanomyces invadans,the causal agent of Epizootic Ulcerative Syndrome,is a global threat to wild and farmed fish |
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| Institution: | 1. Aberdeen Oomycete Laboratory, Institute of Medical Sciences, University of Aberdeen, Aberdeen, AB25 2ZD, Scotland, United Kingdom;2. International Centre for Aquaculture Research and Development (ICARD), University of Aberdeen, Scotland, United Kingdom;3. School of Fisheries and Aquaculture Sciences, Universiti Malaysia Terengganu, 21030, Malaysia;1. The Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province & School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu 221116, PR China;2. Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Microbiology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, PR China;1. Fish Diseases and Management Department, Faculty of Veterinary Medicine, Zagazig University, 44519, Zagazig, Sharkia, Egypt;2. Department of Fish Diseases and Management, Faculty of Veterinary Medicine, Benha University, 13736, Benha, Qalyubia, Egypt;1. National Pathogen Collection Center for Aquatic Animals, Shanghai Ocean University, Shanghai 201306, China;2. East China Sea Fisheries Research Institute Chinese Academy of Fishery Sciences, Shanghai 200090, China;3. Jimei University, Fujian 361021, China |
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| Abstract: | Aphanomyces invadans is a eukaryotic pathogen and the causative agent of Epizootic Ulcerative Syndrome (EUS) in fish and is responsible for mortalities of up to 100% in aquaculture. A. invadans was first discovered in Japan in 1971, and since then it has been found in Australia, North America, Southern African countries and Asia. Methods for the correct identification of A. invadans are well established now and involve PCR-based detection and microscopy. However, the pathogenesis of A. invadans is poorly understood. Environmental stress (mainly temperature) and the associated immunocompromised fish seem to induce infections of A. invadans and outbreaks of EUS. Understanding the process of infection in more depth is fundamental for the discovery of novel effective treatments to combat the disease. In this review, we discuss morphological characteristics of A. invadans and its pathogenicity as well as various approaches of treatment. |
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| Keywords: | Aquaculture EGA EUS Oomycete |
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