Vibrio and major commercially important vibriosis diseases in decapod crustaceans

Valente, Cecília de Souza; Wan, Alex H. L.

doi:10.1016/j.jip.2020.107527

Cited by 125 publications

(48 citation statements)

References 212 publications

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“…7). Here, we found Vibrio, which has been reported as an important opportunistic pathogen responsible for aquatic infectious diseases (43–45), drastically increases in the skin mucus of 10 6 AH/ml challenged fish. This suggests AH can directly or indirectly trigger the growth of the opportunistic pathogen.…”

Section: Discussionmentioning

confidence: 53%

Aeromonas hydrophila induces skin disturbance through mucosal microbiota dysbiosis in Pangasianodon hypophthalmus

CHEN¹,

LIN²,

SIAO³

et al. 2022

Preprint

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Bacterial pathogens are well-equipped to adhere to and initiate infection in teleost fish. The fish skin mucus serves as the first barrier against environmental pathogens. The mucus harbors commensal microbes that form the microbiota, impacting the host physiological and immunological regulation. However, how the skin mucosal microbiota responds to the presence of pathogens remains largely unexplored. Thus, little is known about the status of skin mucus prior to the infection with noticeable symptoms. In this study, we aim to investigate the interaction between pathogen and skin mucosal microbiota, as well as the fish skin immune responses in the presence of pathogens. By challenging striped catfish (Pangasianodon hypophthalmus) with different concentrations of bacterial pathogen Aeromonas hydrophila (AH), the skin immune response and the mucosal microbiota were examined by qPCR and 16S rRNA gene sequencing analysis. We found a pathogen concentration able to stimulate the skin immune response associated with the significant mucosal microbiota change and re-confirmed with the ex vivo fish skin model. Further analysis indicated that the change was attributed to the significant increase in opportunistic pathogens over AH. We concluded that the presence and increase of AH results in dysbiosis of mucosal microbiota that can stimulate skin immune response. We believe our work can shed some light on host-pathogen-commensal microbiota interaction and therefore contribute to aquaculture infection prevention.

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Section: Discussionmentioning

confidence: 53%

Aeromonas hydrophila induces skin disturbance through mucosal microbiota dysbiosis in Pangasianodon hypophthalmus

CHEN¹,

LIN²,

SIAO³

et al. 2022

Preprint

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show abstract

“…The use of exotic fish species in the polyculture system should be highly cautious and certified by local administration agencies, as it might cause adverse environmental impacts. It is reported that shrimps can be infected by a few fish diseases 39 . Thus, the co-culture fish species should not carry pathogens that can infect shrimps.…”

Section: Discussionmentioning

confidence: 99%

A convenient polyculture system that controls a shrimp viral disease with a high transmission rate

et al. 2021

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Developing ecological approaches for disease control is critical for future sustainable aquaculture development. White spot syndrome (WSS), caused by white spot syndrome virus (WSSV), is the most severe disease in cultured shrimp production. Culturing specific pathogen-free (SPF) broodstock is an effective and widely used strategy for controlling WSS. However, most small-scale farmers, who predominate shrimp aquaculture in developing countries, cannot cultivate SPF shrimp, as they do not have the required infrastructure and skills. Thus, these producers are more vulnerable to WSS outbreaks than industrial farms. Here we developed a shrimp polyculture system that prevents WSS outbreaks by introducing specific fish species. The system is easy to implement and requires no special biosecurity measures. The promotion of this system in China demonstrated that it allowed small-scale farmers to improve their livelihood through shrimp cultivation by controlling WSS outbreaks and increasing the production of ponds.

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“…vannamei (Cheng et al, 2005; Liu & Chen, 2004; Wang & Chen, 2005). Moreover, there is also a developing awareness that the prevalence of Vibrio spp is ultimately affected by water parameters such as temperature, pH, salinity and nutrients present in the water column (De Souza Valente & Wan, 2021). Barraza‐Guardado et al (2013) documented that Vibrio genus grow rapidly when the aquatic environment is enriched by accumulating organic matter.…”

Section: Introductionmentioning

confidence: 99%

Effects of shrimp‐fish polyculture on immune parameters, disease resistance of white shrimp and the prevalence of Vibrio spp

Hoang

Phước

Bossier

et al. 2021

Aquaculture Research

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We pre‐grew shrimp under polyculture (shrimp‐tilapia ‘ST’ and shrimp‐mullet ‘SM’) and monoculture (P‐control) conditions until they reached the size of 10–12 g. Then, the shrimps were collected and injected with Vibrio alginolyticus (2.1 × 105 CFU shrimp−1). Some shrimp, originating from the shrimp monoculture, was also injected with sterile saline solution, served as N‐Control. Over 8 days, mortality in N‐control was significantly lower than that in the other treatments (p = 0.001). Total haemocyte counts (THC), phenoloxidase activity (PO) and respiratory burst activity (RB) in haemocytes decreased sharply after injection and were significantly different in P‐control, ST and SM as compared to N‐control (p < 0.05). However, there were no significant differences in shrimp survival and immune parameters among P‐control, ST and SM (p > 0.05). It is concluded that the application of shrimp‐fish polyculture systems does not contribute to the robustness of cultured shrimp as verified by challenge through injection. The second experiment was carried out to verify the effect of shrimp‐mullet polyculture on the prevalence of Vibrio spp. Mullet (3.45 g) were supplemented (either biomass of 500 or 700 g m−3) into six aquaria where shrimp (0.48 g) was stocked at a density of 80 g m−3. The other six aquaria were just stocked with shrimp as P‐control and N‐control. Aquaria were inoculated with V. harveyi at a density of 103 CFU ml−1, except for N‐control. Results showed that the presence of mullet at either biomass of 500 or 700 g m−3 could reduce TCBS counts in water by 20.9% and 24.3%, respectively, as compared to shrimp monoculture.

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Vibrio and major commercially important vibriosis diseases in decapod crustaceans

Cited by 125 publications

References 212 publications

Aeromonas hydrophila induces skin disturbance through mucosal microbiota dysbiosis in Pangasianodon hypophthalmus

Aeromonas hydrophila induces skin disturbance through mucosal microbiota dysbiosis in Pangasianodon hypophthalmus

A convenient polyculture system that controls a shrimp viral disease with a high transmission rate

Effects of shrimp‐fish polyculture on immune parameters, disease resistance of white shrimp and the prevalence of Vibrio spp

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