Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water
Abstract Elucidation of the role of infectious agents putatively involved in gill disease is commonly hampered by the lack of culture systems for these organisms. In this study, a farmed population of Atlantic salmon pre‐smolts, displaying proliferative gill disease with associated Candidatus Branch...
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Online Access: | http://dx.doi.org/10.1111/jfd.12613 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjfd.12613 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jfd.12613 |
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crwiley:10.1111/jfd.12613 2024-09-15T17:55:52+00:00 Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water Wiik‐Nielsen, J Gjessing, M Solheim, H T Litlabø, A Gjevre, A‐G Kristoffersen, A B Powell, M D Colquhoun, D J Norges Forskningsråd 2017 http://dx.doi.org/10.1111/jfd.12613 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjfd.12613 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jfd.12613 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Fish Diseases volume 40, issue 10, page 1387-1394 ISSN 0140-7775 1365-2761 journal-article 2017 crwiley https://doi.org/10.1111/jfd.12613 2024-08-13T04:17:44Z Abstract Elucidation of the role of infectious agents putatively involved in gill disease is commonly hampered by the lack of culture systems for these organisms. In this study, a farmed population of Atlantic salmon pre‐smolts, displaying proliferative gill disease with associated Candidatus Branchiomonas cysticola, Ca . Piscichlamydia salmonis and Atlantic salmon gill pox virus ( SGPV ) infections, was identified. A subpopulation of the diseased fish was used as a source of waterborne infection towards a population of naïve Atlantic salmon pre‐smolts. Ca. B. cysticola infection became established in exposed naïve fish at high prevalence within the first month of exposure and the bacterial load increased over the study period. Ca. P. salmonis and SGPV infections were identified only at low prevalence in exposed fish during the trial. Although clinically healthy, at termination of the trial the exposed, naïve fish displayed histologically visible pathological changes typified by epithelial hyperplasia and subepithelial inflammation with associated bacterial inclusions, confirmed by fluorescent in situ hybridization to contain Ca. B. cysticola. The results strongly suggest that Ca. B. cysticola infections transmit directly from fish to fish and that the bacterium is directly associated with the pathological changes observed in the exposed, previously naïve fish. Article in Journal/Newspaper Atlantic salmon Wiley Online Library Journal of Fish Diseases 40 10 1387 1394 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract Elucidation of the role of infectious agents putatively involved in gill disease is commonly hampered by the lack of culture systems for these organisms. In this study, a farmed population of Atlantic salmon pre‐smolts, displaying proliferative gill disease with associated Candidatus Branchiomonas cysticola, Ca . Piscichlamydia salmonis and Atlantic salmon gill pox virus ( SGPV ) infections, was identified. A subpopulation of the diseased fish was used as a source of waterborne infection towards a population of naïve Atlantic salmon pre‐smolts. Ca. B. cysticola infection became established in exposed naïve fish at high prevalence within the first month of exposure and the bacterial load increased over the study period. Ca. P. salmonis and SGPV infections were identified only at low prevalence in exposed fish during the trial. Although clinically healthy, at termination of the trial the exposed, naïve fish displayed histologically visible pathological changes typified by epithelial hyperplasia and subepithelial inflammation with associated bacterial inclusions, confirmed by fluorescent in situ hybridization to contain Ca. B. cysticola. The results strongly suggest that Ca. B. cysticola infections transmit directly from fish to fish and that the bacterium is directly associated with the pathological changes observed in the exposed, previously naïve fish. |
author2 |
Norges Forskningsråd |
format |
Article in Journal/Newspaper |
author |
Wiik‐Nielsen, J Gjessing, M Solheim, H T Litlabø, A Gjevre, A‐G Kristoffersen, A B Powell, M D Colquhoun, D J |
spellingShingle |
Wiik‐Nielsen, J Gjessing, M Solheim, H T Litlabø, A Gjevre, A‐G Kristoffersen, A B Powell, M D Colquhoun, D J Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water |
author_facet |
Wiik‐Nielsen, J Gjessing, M Solheim, H T Litlabø, A Gjevre, A‐G Kristoffersen, A B Powell, M D Colquhoun, D J |
author_sort |
Wiik‐Nielsen, J |
title |
Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water |
title_short |
Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water |
title_full |
Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water |
title_fullStr |
Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water |
title_full_unstemmed |
Ca. Branchiomonas cysticola, Ca. Piscichlamydia salmonis and Salmon Gill Pox Virus transmit horizontally in Atlantic salmon held in fresh water |
title_sort |
ca. branchiomonas cysticola, ca. piscichlamydia salmonis and salmon gill pox virus transmit horizontally in atlantic salmon held in fresh water |
publisher |
Wiley |
publishDate |
2017 |
url |
http://dx.doi.org/10.1111/jfd.12613 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjfd.12613 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jfd.12613 |
genre |
Atlantic salmon |
genre_facet |
Atlantic salmon |
op_source |
Journal of Fish Diseases volume 40, issue 10, page 1387-1394 ISSN 0140-7775 1365-2761 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/jfd.12613 |
container_title |
Journal of Fish Diseases |
container_volume |
40 |
container_issue |
10 |
container_start_page |
1387 |
op_container_end_page |
1394 |
_version_ |
1810432098126790656 |