Justin M Stilwell, Alvin C Camus, Cynthia C Ware, Ambika Tiwari, Charles M Walker, Charles C Mischke, David J Wise, Matt J Griffin
{"title":"商业鲶鱼池中增殖性鳃病爆发期间，大趾鱼肠上皮内发育的亨内古雅放线菌孢子的病理学和分子鉴定。","authors":"Justin M Stilwell, Alvin C Camus, Cynthia C Ware, Ambika Tiwari, Charles M Walker, Charles C Mischke, David J Wise, Matt J Griffin","doi":"10.1645/24-153","DOIUrl":null,"url":null,"abstract":"<p><strong>Abstract: </strong>Dero digitata, a freshwater oligochaete worm found worldwide, serves as the definitive host for the myxozoan Henneguya ictaluri, the cause of proliferative gill disease (PGD) in ictalurid catfish. The study objectives were to describe pathologic changes associated with developing actinospores within D. digitata from a commercial catfish pond during an active PGD outbreak. Specific in situ hybridization probes identified H. ictaluri, Henneguya exilis, and Raabeia-type TGR 2014 actinospore development in pure infections associated with intestinal epithelial hypertrophy, hyperplasia, and vacuolation. Results support findings from other myxozoans demonstrating clonal expansion of myxozoan populations occurs through asexual reproduction of the oligochaete host.</p>","PeriodicalId":16659,"journal":{"name":"Journal of Parasitology","volume":"111 4","pages":"526-531"},"PeriodicalIF":1.1000,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"PATHOLOGY AND MOLECULAR IDENTIFICATION OF DEVELOPING HENNEGUYA SPP. ACTINOSPORES WITHIN THE INTESTINAL EPITHELIUM OF DERO DIGITATA DURING AN OUTBREAK OF PROLIFERATIVE GILL DISEASE IN A COMMERCIAL CATFISH POND.\",\"authors\":\"Justin M Stilwell, Alvin C Camus, Cynthia C Ware, Ambika Tiwari, Charles M Walker, Charles C Mischke, David J Wise, Matt J Griffin\",\"doi\":\"10.1645/24-153\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Abstract: </strong>Dero digitata, a freshwater oligochaete worm found worldwide, serves as the definitive host for the myxozoan Henneguya ictaluri, the cause of proliferative gill disease (PGD) in ictalurid catfish. The study objectives were to describe pathologic changes associated with developing actinospores within D. digitata from a commercial catfish pond during an active PGD outbreak. Specific in situ hybridization probes identified H. ictaluri, Henneguya exilis, and Raabeia-type TGR 2014 actinospore development in pure infections associated with intestinal epithelial hypertrophy, hyperplasia, and vacuolation. Results support findings from other myxozoans demonstrating clonal expansion of myxozoan populations occurs through asexual reproduction of the oligochaete host.</p>\",\"PeriodicalId\":16659,\"journal\":{\"name\":\"Journal of Parasitology\",\"volume\":\"111 4\",\"pages\":\"526-531\"},\"PeriodicalIF\":1.1000,\"publicationDate\":\"2025-08-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Parasitology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1645/24-153\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"PARASITOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Parasitology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1645/24-153","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PARASITOLOGY","Score":null,"Total":0}
PATHOLOGY AND MOLECULAR IDENTIFICATION OF DEVELOPING HENNEGUYA SPP. ACTINOSPORES WITHIN THE INTESTINAL EPITHELIUM OF DERO DIGITATA DURING AN OUTBREAK OF PROLIFERATIVE GILL DISEASE IN A COMMERCIAL CATFISH POND.
Abstract: Dero digitata, a freshwater oligochaete worm found worldwide, serves as the definitive host for the myxozoan Henneguya ictaluri, the cause of proliferative gill disease (PGD) in ictalurid catfish. The study objectives were to describe pathologic changes associated with developing actinospores within D. digitata from a commercial catfish pond during an active PGD outbreak. Specific in situ hybridization probes identified H. ictaluri, Henneguya exilis, and Raabeia-type TGR 2014 actinospore development in pure infections associated with intestinal epithelial hypertrophy, hyperplasia, and vacuolation. Results support findings from other myxozoans demonstrating clonal expansion of myxozoan populations occurs through asexual reproduction of the oligochaete host.
期刊介绍：
The Journal of Parasitology is the official peer-reviewed journal of the American Society of Parasitologists (ASP). The journal publishes original research covering helminths, protozoa, and other parasitic organisms and serves scientific professionals in microbiology, immunology, veterinary science, pathology, and public health. Journal content includes original research articles, brief research notes, announcements of the Society, and book reviews. Articles are subdivided by topic for ease of reference and range from behavior and pathogenesis to systematics and epidemiology. The journal is published continuously online with one full volume printed at the end of each year.
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