Protective effects of sea cucumber surface-associated bacteria against Vibrio harveyi in brown-marbled grouper fingerlings

Brown-marbled grouper Epinephelus fuscoguttatus (Forsskål) fingerlings are more vulnerable to diseases than the adult grouper because the fingerlings’ adaptive immune system is still in the development stage. The mortality rates are approximately 20 to 70% during outbreaks of vibriosis in aquacultu...

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Main Authors: Mohamed Alipiah, Norfarrah, Ramli, Nur Hasli Syahidda, Low, Chen Fei, Nor Shamsudin, Mariana, Md. Yusoff, Fatimah
Format: Article
Language:English
Published: Inter Research 2016
Online Access:http://psasir.upm.edu.my/id/eprint/53695/
http://psasir.upm.edu.my/id/eprint/53695/1/Protective%20effects%20of%20sea%20cucumber.pdf
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author Mohamed Alipiah, Norfarrah
Ramli, Nur Hasli Syahidda
Low, Chen Fei
Nor Shamsudin, Mariana
Md. Yusoff, Fatimah
author_facet Mohamed Alipiah, Norfarrah
Ramli, Nur Hasli Syahidda
Low, Chen Fei
Nor Shamsudin, Mariana
Md. Yusoff, Fatimah
author_sort Mohamed Alipiah, Norfarrah
building UPM Institutional Repository
collection Online Access
description Brown-marbled grouper Epinephelus fuscoguttatus (Forsskål) fingerlings are more vulnerable to diseases than the adult grouper because the fingerlings’ adaptive immune system is still in the development stage. The mortality rates are approximately 20 to 70% during outbreaks of vibriosis in aquacultures of grouper fingerlings. Studies were conducted to identify alternative treatments with low impacts on humans, animals and the environment as well as treatments that minimize the use of antibiotics in aquaculture. In this study, we report the first use of surfaceassociated bacteria isolated from marine invertebrates to increase fingerlings’ resistance against infections. Twenty-two surface-associated bacteria were isolated from the sea cucumber Stichopus badionotus and were identified with 16S rRNA gene sequencing. Three of the surfaceassociated bacteria had inhibitory activities against pathogenic Vibrio harveyi and V. parahaemolyticus. The fingerlings treated with the surface-associated bacteria Exiguobacterium acetylicum for 12 d prior to the challenge experiment with pathogenic V. harveyi showed sig - nificantly higher survival rates and increases in antibody titres compared to the control group. This study illustrats a symbiotic interaction between E. acetylicum and grouper fingerlings. E. acetylicum colonized the scales of grouper fingerlings and enhanced the fish’s immune response against the pathogen V. harveyi.
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spelling upm-536952018-01-04T10:32:24Z http://psasir.upm.edu.my/id/eprint/53695/ Protective effects of sea cucumber surface-associated bacteria against Vibrio harveyi in brown-marbled grouper fingerlings Mohamed Alipiah, Norfarrah Ramli, Nur Hasli Syahidda Low, Chen Fei Nor Shamsudin, Mariana Md. Yusoff, Fatimah Brown-marbled grouper Epinephelus fuscoguttatus (Forsskål) fingerlings are more vulnerable to diseases than the adult grouper because the fingerlings’ adaptive immune system is still in the development stage. The mortality rates are approximately 20 to 70% during outbreaks of vibriosis in aquacultures of grouper fingerlings. Studies were conducted to identify alternative treatments with low impacts on humans, animals and the environment as well as treatments that minimize the use of antibiotics in aquaculture. In this study, we report the first use of surfaceassociated bacteria isolated from marine invertebrates to increase fingerlings’ resistance against infections. Twenty-two surface-associated bacteria were isolated from the sea cucumber Stichopus badionotus and were identified with 16S rRNA gene sequencing. Three of the surfaceassociated bacteria had inhibitory activities against pathogenic Vibrio harveyi and V. parahaemolyticus. The fingerlings treated with the surface-associated bacteria Exiguobacterium acetylicum for 12 d prior to the challenge experiment with pathogenic V. harveyi showed sig - nificantly higher survival rates and increases in antibody titres compared to the control group. This study illustrats a symbiotic interaction between E. acetylicum and grouper fingerlings. E. acetylicum colonized the scales of grouper fingerlings and enhanced the fish’s immune response against the pathogen V. harveyi. Inter Research 2016 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/53695/1/Protective%20effects%20of%20sea%20cucumber.pdf Mohamed Alipiah, Norfarrah and Ramli, Nur Hasli Syahidda and Low, Chen Fei and Nor Shamsudin, Mariana and Md. Yusoff, Fatimah (2016) Protective effects of sea cucumber surface-associated bacteria against Vibrio harveyi in brown-marbled grouper fingerlings. Aquaculture Environment Interactions, 8. pp. 147-155. ISSN 1869-215X; ESSN: 1869-7534 http://www.int-res.com/abstracts/aei/v8/#end 10.3354/aei00169
spellingShingle Mohamed Alipiah, Norfarrah
Ramli, Nur Hasli Syahidda
Low, Chen Fei
Nor Shamsudin, Mariana
Md. Yusoff, Fatimah
Protective effects of sea cucumber surface-associated bacteria against Vibrio harveyi in brown-marbled grouper fingerlings
title Protective effects of sea cucumber surface-associated bacteria against Vibrio harveyi in brown-marbled grouper fingerlings
title_full Protective effects of sea cucumber surface-associated bacteria against Vibrio harveyi in brown-marbled grouper fingerlings
title_fullStr Protective effects of sea cucumber surface-associated bacteria against Vibrio harveyi in brown-marbled grouper fingerlings
title_full_unstemmed Protective effects of sea cucumber surface-associated bacteria against Vibrio harveyi in brown-marbled grouper fingerlings
title_short Protective effects of sea cucumber surface-associated bacteria against Vibrio harveyi in brown-marbled grouper fingerlings
title_sort protective effects of sea cucumber surface-associated bacteria against vibrio harveyi in brown-marbled grouper fingerlings
url http://psasir.upm.edu.my/id/eprint/53695/
http://psasir.upm.edu.my/id/eprint/53695/
http://psasir.upm.edu.my/id/eprint/53695/
http://psasir.upm.edu.my/id/eprint/53695/1/Protective%20effects%20of%20sea%20cucumber.pdf