Antibacterial activity evaluation of the Nile tilapia Oreochromis niloticus (Linnaeus, 1758) skin mucus, against Vibrio bacteria affecting the white shrimp Penaeus vannamei
ABSTRACT Shrimp production has been affected by disease outbreaks caused by Vibrio sp. bacteria. Using a polyculture system has been proposed as preventive management, but until now, the mode of action by which the organisms in polyculture obtain some benefits was unknown. Some studies indicate that...
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| Lenguaje: | English |
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Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
2019
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oai:scielo:S0718-560X20190003005802019-08-09Antibacterial activity evaluation of the Nile tilapia Oreochromis niloticus (Linnaeus, 1758) skin mucus, against Vibrio bacteria affecting the white shrimp Penaeus vannameiGarcía-Marciano,MáximoApún-Molina,Juan PabloSainz-Hernández,Juan CarlosSantamaría-Miranda,ApolinarMedina-Godoy,SergioAguiñaga-Cruz,Jazmín Asusena Oreochromis niloticus tilapia bacteria mucus tegument immune system ABSTRACT Shrimp production has been affected by disease outbreaks caused by Vibrio sp. bacteria. Using a polyculture system has been proposed as preventive management, but until now, the mode of action by which the organisms in polyculture obtain some benefits was unknown. Some studies indicate that these benefits are related to the immune system in the skin mucus. The present study aimed to determine the antibacterial potential of skin mucus in two tilapia varieties, Oreochromis sp. (marine adapted) and O. niloticus (freshwater), against Vibrio bacteria that affect the shrimp Penaeus vannamei. Skin mucus extracts were obtained from both varieties of tilapia during spring and winter. The extracts were: acidic, aqueous and two organics. In total, 16 extracts were obtained. During the winter season, no antibacterial activity was detected; however, in the spring, the acidic extract from the marine-adapted tilapia inhibited V. parahaemolyticus. Additionally, V. harveyi was inhibited by the acidic and organic extracts from both varieties. The aim of this study was confirmed: tilapia skin mucus has antibacterial activity against Vibrio bacteria, which depends on the tilapia variety, bacterial strain, season and the concentration of colony forming units. SDS-PAGE revealed a protease of 96 kD present in all extracts, even in those without antibacterial activity.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.47 n.3 20192019-07-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000300580en10.3856/vol47-issue3-fulltext-20 |
| institution |
Scielo Chile |
| collection |
Scielo Chile |
| language |
English |
| topic |
Oreochromis niloticus tilapia bacteria mucus tegument immune system |
| spellingShingle |
Oreochromis niloticus tilapia bacteria mucus tegument immune system García-Marciano,Máximo Apún-Molina,Juan Pablo Sainz-Hernández,Juan Carlos Santamaría-Miranda,Apolinar Medina-Godoy,Sergio Aguiñaga-Cruz,Jazmín Asusena Antibacterial activity evaluation of the Nile tilapia Oreochromis niloticus (Linnaeus, 1758) skin mucus, against Vibrio bacteria affecting the white shrimp Penaeus vannamei |
| description |
ABSTRACT Shrimp production has been affected by disease outbreaks caused by Vibrio sp. bacteria. Using a polyculture system has been proposed as preventive management, but until now, the mode of action by which the organisms in polyculture obtain some benefits was unknown. Some studies indicate that these benefits are related to the immune system in the skin mucus. The present study aimed to determine the antibacterial potential of skin mucus in two tilapia varieties, Oreochromis sp. (marine adapted) and O. niloticus (freshwater), against Vibrio bacteria that affect the shrimp Penaeus vannamei. Skin mucus extracts were obtained from both varieties of tilapia during spring and winter. The extracts were: acidic, aqueous and two organics. In total, 16 extracts were obtained. During the winter season, no antibacterial activity was detected; however, in the spring, the acidic extract from the marine-adapted tilapia inhibited V. parahaemolyticus. Additionally, V. harveyi was inhibited by the acidic and organic extracts from both varieties. The aim of this study was confirmed: tilapia skin mucus has antibacterial activity against Vibrio bacteria, which depends on the tilapia variety, bacterial strain, season and the concentration of colony forming units. SDS-PAGE revealed a protease of 96 kD present in all extracts, even in those without antibacterial activity. |
| author |
García-Marciano,Máximo Apún-Molina,Juan Pablo Sainz-Hernández,Juan Carlos Santamaría-Miranda,Apolinar Medina-Godoy,Sergio Aguiñaga-Cruz,Jazmín Asusena |
| author_facet |
García-Marciano,Máximo Apún-Molina,Juan Pablo Sainz-Hernández,Juan Carlos Santamaría-Miranda,Apolinar Medina-Godoy,Sergio Aguiñaga-Cruz,Jazmín Asusena |
| author_sort |
García-Marciano,Máximo |
| title |
Antibacterial activity evaluation of the Nile tilapia Oreochromis niloticus (Linnaeus, 1758) skin mucus, against Vibrio bacteria affecting the white shrimp Penaeus vannamei |
| title_short |
Antibacterial activity evaluation of the Nile tilapia Oreochromis niloticus (Linnaeus, 1758) skin mucus, against Vibrio bacteria affecting the white shrimp Penaeus vannamei |
| title_full |
Antibacterial activity evaluation of the Nile tilapia Oreochromis niloticus (Linnaeus, 1758) skin mucus, against Vibrio bacteria affecting the white shrimp Penaeus vannamei |
| title_fullStr |
Antibacterial activity evaluation of the Nile tilapia Oreochromis niloticus (Linnaeus, 1758) skin mucus, against Vibrio bacteria affecting the white shrimp Penaeus vannamei |
| title_full_unstemmed |
Antibacterial activity evaluation of the Nile tilapia Oreochromis niloticus (Linnaeus, 1758) skin mucus, against Vibrio bacteria affecting the white shrimp Penaeus vannamei |
| title_sort |
antibacterial activity evaluation of the nile tilapia oreochromis niloticus (linnaeus, 1758) skin mucus, against vibrio bacteria affecting the white shrimp penaeus vannamei |
| publisher |
Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar |
| publishDate |
2019 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000300580 |
| work_keys_str_mv |
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