Stability and efficacy of live-attenuated Vibrio harveyi vaccines under different storage conditions in zebrafish (Danio rerio) models

Vibriosis poses a significant threat to marine teleosts, causing substantial losses in the global aquaculture industry. Previous work in our lab led to the development of a live-attenuated V. harveyi vaccine (LAVh) candidate that targets the serine endoprotease gene with a three-point knockout and...

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Main Authors: Muhamad-Sofie, Mohd Hafiz Ngoo, Mohamad, Aslah, Azzam-Sayuti, Mohamad, Amal, Mohammad Noor Azmai, Zamri-Saad, Mohd, Monir, Md Shirajum, Ina Salwany, Md Yasin
Format: Article
Language:English
Published: Faculty of Fisheries and Marine Universitas Airlangga 2024
Online Access:http://psasir.upm.edu.my/id/eprint/114410/1/114410.pdf
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author Muhamad-Sofie, Mohd Hafiz Ngoo
Mohamad, Aslah
Azzam-Sayuti, Mohamad
Amal, Mohammad Noor Azmai
Zamri-Saad, Mohd
Monir, Md Shirajum
Ina Salwany, Md Yasin
author_facet Muhamad-Sofie, Mohd Hafiz Ngoo
Mohamad, Aslah
Azzam-Sayuti, Mohamad
Amal, Mohammad Noor Azmai
Zamri-Saad, Mohd
Monir, Md Shirajum
Ina Salwany, Md Yasin
author_sort Muhamad-Sofie, Mohd Hafiz Ngoo
collection UPM
description Vibriosis poses a significant threat to marine teleosts, causing substantial losses in the global aquaculture industry. Previous work in our lab led to the development of a live-attenuated V. harveyi vaccine (LAVh) candidate that targets the serine endoprotease gene with a three-point knockout and has shown promise in protecting against vibriosis. However, further investigation is necessary to evaluate the stability and efficacy of its various storage conditions for broader applications. This study aims to determine how well the three different LAVh vaccine storage (fresh, stale, and freeze-dried LAVh) worked against vibriosis. A total of 1000 adult zebrafish (Danio rerio) (mean weight: 0.20±0.5 g) were divided into four groups. Groups 1, 2, and 3 were intraperitoneally injected with different LAVh vaccine storage (fresh, stale, and freeze-dried, respectively), while Group 4 received 0.01 M phosphate-buffered saline (PBS) and served as the unvaccinated control. Fish were monitored for 21 days post-vaccination for safety, stability, efficacy, and antibody analysis. The results showed that a modest dosage of 1 x 104 CFU/mL of LAVh vaccine from all storage condition provided 80% survival upon intraperitoneal challenge with pathogenic strains of pathogenic V. harveyi, V. alginolyticus, and V. parahaemolyticus. This dosage induced significant antibody production and conferred cross-protection against different Vibrio spp., indicating the LAVh vaccine’s potential for commercial application. The LAVh vaccine demonstrated high effectiveness and suitability for storage as a freeze-dried powder. This study might offer significant insights into practical strategies for reducing vibriosis, especially in aquaculture settings with limited infrastructure.
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spelling upm.eprints-1144102025-01-20T01:19:19Z http://psasir.upm.edu.my/id/eprint/114410/ Stability and efficacy of live-attenuated Vibrio harveyi vaccines under different storage conditions in zebrafish (Danio rerio) models Muhamad-Sofie, Mohd Hafiz Ngoo Mohamad, Aslah Azzam-Sayuti, Mohamad Amal, Mohammad Noor Azmai Zamri-Saad, Mohd Monir, Md Shirajum Ina Salwany, Md Yasin Vibriosis poses a significant threat to marine teleosts, causing substantial losses in the global aquaculture industry. Previous work in our lab led to the development of a live-attenuated V. harveyi vaccine (LAVh) candidate that targets the serine endoprotease gene with a three-point knockout and has shown promise in protecting against vibriosis. However, further investigation is necessary to evaluate the stability and efficacy of its various storage conditions for broader applications. This study aims to determine how well the three different LAVh vaccine storage (fresh, stale, and freeze-dried LAVh) worked against vibriosis. A total of 1000 adult zebrafish (Danio rerio) (mean weight: 0.20±0.5 g) were divided into four groups. Groups 1, 2, and 3 were intraperitoneally injected with different LAVh vaccine storage (fresh, stale, and freeze-dried, respectively), while Group 4 received 0.01 M phosphate-buffered saline (PBS) and served as the unvaccinated control. Fish were monitored for 21 days post-vaccination for safety, stability, efficacy, and antibody analysis. The results showed that a modest dosage of 1 x 104 CFU/mL of LAVh vaccine from all storage condition provided 80% survival upon intraperitoneal challenge with pathogenic strains of pathogenic V. harveyi, V. alginolyticus, and V. parahaemolyticus. This dosage induced significant antibody production and conferred cross-protection against different Vibrio spp., indicating the LAVh vaccine’s potential for commercial application. The LAVh vaccine demonstrated high effectiveness and suitability for storage as a freeze-dried powder. This study might offer significant insights into practical strategies for reducing vibriosis, especially in aquaculture settings with limited infrastructure. Faculty of Fisheries and Marine Universitas Airlangga 2024-11 Article PeerReviewed text en cc_by_nc_sa_4 http://psasir.upm.edu.my/id/eprint/114410/1/114410.pdf Muhamad-Sofie, Mohd Hafiz Ngoo and Mohamad, Aslah and Azzam-Sayuti, Mohamad and Amal, Mohammad Noor Azmai and Zamri-Saad, Mohd and Monir, Md Shirajum and Ina Salwany, Md Yasin (2024) Stability and efficacy of live-attenuated Vibrio harveyi vaccines under different storage conditions in zebrafish (Danio rerio) models. Jurnal Ilmiah Perikanan dan Kelautan, 16 (2). pp. 322-335. ISSN 2085-5842; eISSN: 2528-0759 https://e-journal.unair.ac.id/JIPK/article/view/59794 10.20473/jipk.v16i2.59794
spellingShingle Muhamad-Sofie, Mohd Hafiz Ngoo
Mohamad, Aslah
Azzam-Sayuti, Mohamad
Amal, Mohammad Noor Azmai
Zamri-Saad, Mohd
Monir, Md Shirajum
Ina Salwany, Md Yasin
Stability and efficacy of live-attenuated Vibrio harveyi vaccines under different storage conditions in zebrafish (Danio rerio) models
title Stability and efficacy of live-attenuated Vibrio harveyi vaccines under different storage conditions in zebrafish (Danio rerio) models
title_full Stability and efficacy of live-attenuated Vibrio harveyi vaccines under different storage conditions in zebrafish (Danio rerio) models
title_fullStr Stability and efficacy of live-attenuated Vibrio harveyi vaccines under different storage conditions in zebrafish (Danio rerio) models
title_full_unstemmed Stability and efficacy of live-attenuated Vibrio harveyi vaccines under different storage conditions in zebrafish (Danio rerio) models
title_short Stability and efficacy of live-attenuated Vibrio harveyi vaccines under different storage conditions in zebrafish (Danio rerio) models
title_sort stability and efficacy of live attenuated vibrio harveyi vaccines under different storage conditions in zebrafish danio rerio models
url http://psasir.upm.edu.my/id/eprint/114410/1/114410.pdf
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