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Emergence of Rickettsial Infection in Rainbow Trout (Oncorhynchus mykiss) Fry Displaying the Appearance of Red Mark Syndrome in Korea
Red mark syndrome (RMS) is a fish disease caused by the infection of Rickettsial agents, especially affecting rainbow trout (Oncorhynchus mykiss). The disease is prevalent in many countries in Europe (France, Switzerland, Italy, and Slovenia), South America (Chile), North America (USA), and even Asi...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6780055/ https://www.ncbi.nlm.nih.gov/pubmed/31470673 http://dx.doi.org/10.3390/microorganisms7090302 |
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author | Oh, Woo Taek Giri, Sib Sankar Yun, Saekil Kim, Hyoun Joong Kim, Sang Guen Kim, Sang Wha Kang, Jeong Woo Han, Se Jin Kwon, Jun Jun, Jin Woo Park, Se Chang |
author_facet | Oh, Woo Taek Giri, Sib Sankar Yun, Saekil Kim, Hyoun Joong Kim, Sang Guen Kim, Sang Wha Kang, Jeong Woo Han, Se Jin Kwon, Jun Jun, Jin Woo Park, Se Chang |
author_sort | Oh, Woo Taek |
collection | PubMed |
description | Red mark syndrome (RMS) is a fish disease caused by the infection of Rickettsial agents, especially affecting rainbow trout (Oncorhynchus mykiss). The disease is prevalent in many countries in Europe (France, Switzerland, Italy, and Slovenia), South America (Chile), North America (USA), and even Asia (Japan). However, it has not been reported in Korean aquaculture. In February 2019, rainbow trout presenting red spot lesions with swollen features on the lateral side of their body were observed at a hatchery in Korea. Fishes showing those clinical signs were fry weighing 25 ± 5 g. Moreover, the fish showing the red spot lesions were found dead, which suggests an outbreak of a mortality-causing disease. The symptoms were similar to those of RMS, and we identified the presence of Rickettsia-like organisms associated with this disease using polymerase chain reaction (PCR), sequencing, histopathologic examination, and transmission electron microscopy. The distinct features of this infection, compared to that in previous reports, were that RMS occurred in small-sized fish and accompanied mortality. Additionally, the presence of the Rickettsia agent was accompanied with outbreak of the disease. Therefore, this is the first report of RMS outbreak in rainbow trout fisheries in Korea. |
format | Online Article Text |
id | pubmed-6780055 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-67800552019-10-30 Emergence of Rickettsial Infection in Rainbow Trout (Oncorhynchus mykiss) Fry Displaying the Appearance of Red Mark Syndrome in Korea Oh, Woo Taek Giri, Sib Sankar Yun, Saekil Kim, Hyoun Joong Kim, Sang Guen Kim, Sang Wha Kang, Jeong Woo Han, Se Jin Kwon, Jun Jun, Jin Woo Park, Se Chang Microorganisms Article Red mark syndrome (RMS) is a fish disease caused by the infection of Rickettsial agents, especially affecting rainbow trout (Oncorhynchus mykiss). The disease is prevalent in many countries in Europe (France, Switzerland, Italy, and Slovenia), South America (Chile), North America (USA), and even Asia (Japan). However, it has not been reported in Korean aquaculture. In February 2019, rainbow trout presenting red spot lesions with swollen features on the lateral side of their body were observed at a hatchery in Korea. Fishes showing those clinical signs were fry weighing 25 ± 5 g. Moreover, the fish showing the red spot lesions were found dead, which suggests an outbreak of a mortality-causing disease. The symptoms were similar to those of RMS, and we identified the presence of Rickettsia-like organisms associated with this disease using polymerase chain reaction (PCR), sequencing, histopathologic examination, and transmission electron microscopy. The distinct features of this infection, compared to that in previous reports, were that RMS occurred in small-sized fish and accompanied mortality. Additionally, the presence of the Rickettsia agent was accompanied with outbreak of the disease. Therefore, this is the first report of RMS outbreak in rainbow trout fisheries in Korea. MDPI 2019-08-29 /pmc/articles/PMC6780055/ /pubmed/31470673 http://dx.doi.org/10.3390/microorganisms7090302 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Oh, Woo Taek Giri, Sib Sankar Yun, Saekil Kim, Hyoun Joong Kim, Sang Guen Kim, Sang Wha Kang, Jeong Woo Han, Se Jin Kwon, Jun Jun, Jin Woo Park, Se Chang Emergence of Rickettsial Infection in Rainbow Trout (Oncorhynchus mykiss) Fry Displaying the Appearance of Red Mark Syndrome in Korea |
title | Emergence of Rickettsial Infection in Rainbow Trout (Oncorhynchus mykiss) Fry Displaying the Appearance of Red Mark Syndrome in Korea |
title_full | Emergence of Rickettsial Infection in Rainbow Trout (Oncorhynchus mykiss) Fry Displaying the Appearance of Red Mark Syndrome in Korea |
title_fullStr | Emergence of Rickettsial Infection in Rainbow Trout (Oncorhynchus mykiss) Fry Displaying the Appearance of Red Mark Syndrome in Korea |
title_full_unstemmed | Emergence of Rickettsial Infection in Rainbow Trout (Oncorhynchus mykiss) Fry Displaying the Appearance of Red Mark Syndrome in Korea |
title_short | Emergence of Rickettsial Infection in Rainbow Trout (Oncorhynchus mykiss) Fry Displaying the Appearance of Red Mark Syndrome in Korea |
title_sort | emergence of rickettsial infection in rainbow trout (oncorhynchus mykiss) fry displaying the appearance of red mark syndrome in korea |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6780055/ https://www.ncbi.nlm.nih.gov/pubmed/31470673 http://dx.doi.org/10.3390/microorganisms7090302 |
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