Mucosal immune response of Nile tilapia Oreochromis niloticus during Gyrodactylus cichlidarum infection

Zhi, Tingting; Huang, Chaoqun; Sun, Rui; Zheng, Yingying; Chen, Jinsong; Xu, Xiangli; Brown, Christopher L.; Yang, Tianqi

doi:10.1016/j.fsi.2020.07.025

Cited by 16 publications

(9 citation statements)

References 33 publications

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“…Western blotting analysis revealed strong positive signals at the predicted size of the constant heavy chain of native Nile tilapia secreted IgT, which is predicted to have a theoretical molecular mass of 42 kDa [27] . Polyclonal antisera prepared in mice against specific polypeptide located on the IgT heavy chain of Nile tilapia also confirmed the presence of IgT in the total skin protein, with a single band between 40 and 50 kDa in the Western blotting assay [53] . The molecular size of IgT heavy chain can vary among teleost species.…”

Section: Discussionmentioning

confidence: 62%

Monoclonal antibody generated against Nile tilapia (Oreochromis niloticus) IgT heavy chain using a peptide-based strategy

Velázquez¹,

Cruz²,

Pérez-Bernal³

et al. 2023

Fish and Shellfish Immunology Reports

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Section: Discussionmentioning

confidence: 62%

Monoclonal antibody generated against Nile tilapia (Oreochromis niloticus) IgT heavy chain using a peptide-based strategy

Velázquez¹,

Cruz²,

Pérez-Bernal³

et al. 2023

Fish and Shellfish Immunology Reports

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“…These parasites usually infect a wide fish variety, however, in humans, there are reports of accidental infection by egg stage, where signology is manifested with abdominal pain [ 77 ]. Our study suggests that emerging infections affect tilapia populations largely because the fish have not been previously exposed to these pathogens, so they lack regulation in the expression of genes related to the adaptive immune system necessary to combat these infections [ 63 , 78 ]. Moreover, infections by reoffending genera showed lower prevalence, reflecting host-parasite relationship coevolution, where both have been exposed to antagonistic natural selection processes, allowing the ecological relationship continuity [ 79 ].…”

Section: Discussionmentioning

confidence: 99%

Prevalence of Parasitic Infections with Zoonotic Potential in Tilapia: A Systematic Review and Meta-Analysis

Acosta-Pérez¹,

Ángeles-Hernández²,

Vega-Sánchez³

et al. 2022

Animals

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Tilapia has a high socioeconomic value in many countries worldwide. However, it has been identified as a zoonotic parasite reservoir. A systematic literature search and meta-analysis were carried out in order to estimate the global prevalence of zoonotic parasites that affect tilapia. The search was performed by three field experts to avoid reviewer bias. Polled prevalence was estimated using a logistic-normal random-effect regression model in the R software. We dealt with the heterogeneity among studies through subgroup analysis, taking into account the continent, country, genus of the host, parasite taxonomic group, sample origin, and type of diagnostic test as moderator variables. Fifty-two eligible articles were identified covering five tilapia genera with a pooled prevalence of 0.14 (95% CI: 0.10–0.20) showed significant heterogeneity (I2 = 98.4; p < 0.001). The subgroup analysis revealed that the most affected host was Sarotherodon, with a prevalence of 0.42 (95% CI: 0.22–0.65). Cestode was the taxonomic group with the largest prevalence (0.40; 95% CI:0.32–0.48), followed by amoeba (0.24; 95% CI: 0.16–0.35) and nematode (0.22; 95% CI: 0.11–0.38), among which, Schyzocotyle spp., Opistorchis spp., Gnathostoma spp., and Vermamoeba spp. have an impact on public health. Significant differences (p < 0.004) were found among continents and countries, with the highest value of prevalence detected in the African continent (0.28; 95% CI: 0.20–0.37), specifically in Tanzania (0.56; 95% CI: 0.22–0.87) and Egypt (0.43; 95% CI: 0.20–0.55). The origin of samples had a significant effect (p < 0.0001) on the detected prevalence, especially from those that showed the highest prevalence (0.24; 95% CI: 0.17–0.33). Finally, there were no differences in prevalence according to the diagnostic test (p = 0.97). Our results provide useful information on the development of epidemiological programs for the control of zoonoses associated with parasites in tilapia and in the design, planning, and implementation of future research.

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“…(present in the 10 sampling points) suggest a certain tolerance towards this pathogen. It has been reported that Nile tilapia can show resistance to other parasites such as Gyrodactylus cichlidarum in recurrent infections, and this is attributed to the response of the adaptive immune system in fish [ 30 ].…”

Section: Discussionmentioning

confidence: 99%

Physicochemical Water Quality Influence on the Parasite Biodiversity in Juvenile Tilapia (Oreochromis spp.) Farmed at Valle Del Mezquital in the Central-Eastern Socioeconomic Region of Mexico

Acosta-Pérez¹,

Vega-Sánchez²,

Fernández-Martínez³

et al. 2022

Pathogens

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Aquaculture parasite biodiversity dependents on multiple environmental characteristics, including water quality. The analysis of this relationship aims to support improvements in the production management of tilapia. For this purpose, a total of 100 juvenile fishes (Oreochromis spp.) and 30 water samples were collected at Valle del Mezquital in the Central-Eastern socioeconomical region of Mexico. A study of parasite biodiversity was carried out and water quality parameters were determined. Biodiversity in the habitat was measured using the Simpson diversity index, which considers the number of species present and the abundance of each one; we also calculate the Berger-Parker index to estimate the proportional importance of the most abundant species. In general, it was found that 86% of the examined specimens were parasitized. Parasite biodiversity was 11 genera (Simpson index = 0.55). Trichodina spp. (Ciliophora) was the dominant genus (Berger-Parker index = 0.51). The protozoa Apiosoma spp. was associated with the water hardness (Berger-Parker index = 0.57). Furthermore, the presence of monogeneans showed a positive correlation with the levels of nitrites and ammonium in the water (Berger-Parker index = 0.06–0.55). This characterization may represent a useful tool in the comprehensive management of parasites that affect the farmed tilapia. However, new data is necessary to expand the knowledge about the environment-host-parasite relationship.

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Mucosal immune response of Nile tilapia Oreochromis niloticus during Gyrodactylus cichlidarum infection

Cited by 16 publications

References 33 publications

Monoclonal antibody generated against Nile tilapia (Oreochromis niloticus) IgT heavy chain using a peptide-based strategy

Monoclonal antibody generated against Nile tilapia (Oreochromis niloticus) IgT heavy chain using a peptide-based strategy

Prevalence of Parasitic Infections with Zoonotic Potential in Tilapia: A Systematic Review and Meta-Analysis

Physicochemical Water Quality Influence on the Parasite Biodiversity in Juvenile Tilapia (Oreochromis spp.) Farmed at Valle Del Mezquital in the Central-Eastern Socioeconomic Region of Mexico

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