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Zhou T, Cai P, Li J, Dan X, Li Z. Pathological variations and immune response in Channa argus infected with pathogenic Nocardia seriolae strain. FISH & SHELLFISH IMMUNOLOGY 2024; 150:109554. [PMID: 38641217 DOI: 10.1016/j.fsi.2024.109554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/31/2024] [Accepted: 04/08/2024] [Indexed: 04/21/2024]
Abstract
Nocardia seriolae pathogen causes chronic granulomatous disease, reportedly affecting over 40 species of marine and freshwater cultured fish. Hence, research is required to address and eliminate this significant threat to the aquaculture industry. In this respect, a reliable and reproducible infection model needs to be established to better understand the biology of this pathogen and its interactions with the host during infection, as well as to develop new vaccines or other effective treatment methods. In this study, we examined the pathogenicity of the pathogen and the immune response of snakehead (Channa argus) juvenile to N. seriolae using a range of methods and analyses, including pathogen isolation and identification, histopathology, Kaplan-Meier survival curve analysis, and determination of the median lethal dose (LD50) and cytokine expression. We have preliminarily established a N. seriolae - C. argus model. According to our morphological and phylogenetic analysis data, the isolated strain was identified as N. seriolae and named NSE01. Eighteen days post-infection of healthy juvenile C. argus with N. seriolae NSE01, the mortality rate in all four experimental groups (intraperitoneally injected with 1 × 105 CFU/mL - 1 × 108 CFU/mL of bacterial suspension) (n = 120) was 100 %. The LD50 of N. seriolae NSE01 for juvenile C. argus was determined to be 1.13 × 106 CFU/fish. Infected juvenile C. argus had significant pathological changes, including visceral tissue swelling, hemorrhage, and the presence of numerous nodules of varying sizes in multiple tissues. Further histopathological examination revealed typical systemic granuloma formation. Additionally, following infection with N. seriolae NSE01, the gene expression of important cytokines, such as Toll-like receptor genes TLR2, TLR13, interleukin-1 receptor genes IL1R1, IL1R2, and interferon regulatory factor IRF2 were significantly upregulated in different tissues, indicating their potential involvement in the host immune response and regulation against N. seriolae. In conclusion, juvenile C. argus can serve as a suitable model for N. seriolae infection. The establishment of this animal model will facilitate the study of the pathogenesis of nocardiosis and the development of vaccines.
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Affiliation(s)
- Tingting Zhou
- Guangdong Haid Group Co., Ltd., Guangzhou, 511400, PR China; College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China.
| | - Ping Cai
- Guangdong Haid Group Co., Ltd., Guangzhou, 511400, PR China
| | - Junwei Li
- Guangdong Haid Group Co., Ltd., Guangzhou, 511400, PR China
| | - Xueming Dan
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China
| | - Zhongsheng Li
- Guangdong Haid Group Co., Ltd., Guangzhou, 511400, PR China.
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Aini N, Putri DSYR, Achhlam DH, Fatimah F, Andriyono S, Hariani D, Do HDK, Wahyuningsih SPA. Supplementation of Bacillus subtilis and Lactobacillus casei to increase growth performance and immune system of catfish ( Clarias gariepinus) due to Aeromonas hydrophila infection. Vet World 2024; 17:602-611. [PMID: 38680146 PMCID: PMC11045519 DOI: 10.14202/vetworld.2024.602-611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/16/2024] [Indexed: 05/01/2024] Open
Abstract
Background and Aim Catfish has a high economic value and is popular among consumers. To ensure well-stocked catfish stocks, good fisheries management must also be ensured. The high demand for catfish must be supplemented by preventive measures against pathogenic bacterial infections using probiotics with high potential for Lactobacillus casei and Bacillus subtilis. The aim of this study was to determine the effect of probiotic supplementation consisting of a combination of L. casei and B. subtilis probiotics on the growth, immune system, water quality, proximate value of feed, and body composition of catfish infected with Aeromonas hydrophila. Materials and Methods This study used a completely randomized study with eight treatments and three replications. The manipulated factor was the probiotic concentration [0% (A), 0.5% (B), 10% (C), and 15% (D)] in groups of catfish infected and uninfected with A. hydrophila. Combination of B. subtilis, and L. casei that were used in a 1:1 ratio of 108 colony forming unit/mL. The study lasted for 42 days. On the 35th day, A. hydrophila was infected by intramuscular injection into fish. The Statistical Package for the Social Sciences (SPSS) software version 23.0 (IBM SPSS Statistics) was used to analyze data on growth, immune system, and water quality. Results Providing probiotics in feed can increase the nutritional value of feed based on proximate test results. There were significant differences in average daily gain (ADG), feed conversion ratio (FCR), and survival rate (SR) parameters in the group of catfish infected with A. hydrophila (p > 0.05); however, there were no significant differences in final body weight, specific growth rate (SGR), and percentage weight gain. Interleukin-1β (IL-1β) levels were significantly different between treatments C and D. The tumor necrosis factor (TNF) α parameters were significantly different between treatments A and C, whereas the phagocytic activity of treatment A was significantly different from that of treatment D. There was a significant difference (p > 0.05) in the growth parameters of SGR, ADG, and FCR in the group of fish that were not infected with A. hydrophila, with the best treatment being a probiotic concentration of 15%, but there was no significant difference in the SR parameters. IL-1β and TNF-α levels significantly differed between E and E0 (15% probiotics) but were not significantly different in terms of phagocytosis parameters. Conclusion Based on the results of this study, it can be concluded that using a combination of probiotics L. casei and B. subtilis can improve the growth, immune system, water quality, proximate value of feed, and body composition of catfish infected with A. hydrophila.
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Affiliation(s)
- Nurul Aini
- Doctoral Mathematics and Natural Sciences Study Program, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
- Department of Agricultural Technology, KH University. A. Wahab Hasbullah, Jombang, Indonesia
| | | | - Divany Hunaimatul Achhlam
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
| | - Fatimah Fatimah
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
- University Center of Excellence Research Center for Bio-Molecule Engineering, Universitas Airlangga, Surabaya, Indonesia
| | - Sapto Andriyono
- Department of Marine, Faculty of Fisheries and Marine Sciences, Universitas Airlangga, Surabaya, Indonesia
| | - Dyah Hariani
- Department of Biology, Faculty of Mathematics and Natural Sciences, Surabaya State University, Surabaya, Indonesia
| | - Hoang Dang Khoa Do
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
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Da Silva EG, Finamor IA, Bressan CA, Schoenau W, Vencato MDS, Pavanato MA, Cargnelutti JF, Da Costa ST, Antoniazzi AQ, Baldisserotto B. Dietary Supplementation with R-(+)-Limonene Improves Growth, Metabolism, Stress, and Antioxidant Responses of Silver Catfish Uninfected and Infected with Aeromonas hydrophila. Animals (Basel) 2023; 13:3307. [PMID: 37958062 PMCID: PMC10650795 DOI: 10.3390/ani13213307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
R-(+)-limonene is a monoterpene from plants of the genus Citrus with diverse biological properties. This research evaluated the effects of dietary supplementation with R-(+)-limonene on growth, metabolic parameters in plasma and liver, and the antioxidant and stress responses in silver catfish, Rhamdia quelen, challenged or not with Aeromonas hydrophila. Fish were fed for 67 days with different doses of R-(+)-limonene in the diet (control 0.0, L0.5, L1.0, and L2.0 mL/kg of diet). On the 60th day, a challenge with A. hydrophila was performed. R-(+)-limonene in the diet potentiated the productive performance of the fish. The metabolic and antioxidant responses indicate that R-(+)-limonene did not harm the health of the animals and made them more resistant to the bacterial challenge. Histological findings showed the hepatoprotective effect of dietary R-(+)-limonene against A. hydrophila. Igf1 mRNA levels were upregulated in the liver of fish fed with an L2.0 diet but downregulated with bacterial challenge. The expression levels of crh mRNA were higher in the brains of fish fed with the L2.0 diet. However, the L2.0 diet downregulated crh and hspa12a mRNA expression in the brains of infected fish. In conclusion, the results indicated that R-(+)-limonene can be considered a good dietary supplement for silver catfish.
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Affiliation(s)
- Elisia Gomes Da Silva
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (E.G.D.S.); (I.A.F.); (C.A.B.); (W.S.); (M.A.P.); (A.Q.A.)
| | - Isabela Andres Finamor
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (E.G.D.S.); (I.A.F.); (C.A.B.); (W.S.); (M.A.P.); (A.Q.A.)
| | - Caroline Azzolin Bressan
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (E.G.D.S.); (I.A.F.); (C.A.B.); (W.S.); (M.A.P.); (A.Q.A.)
| | - William Schoenau
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (E.G.D.S.); (I.A.F.); (C.A.B.); (W.S.); (M.A.P.); (A.Q.A.)
| | - Marina De Souza Vencato
- Department of Morphology, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (M.D.S.V.); (S.T.D.C.)
| | - Maria Amália Pavanato
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (E.G.D.S.); (I.A.F.); (C.A.B.); (W.S.); (M.A.P.); (A.Q.A.)
| | - Juliana Felipetto Cargnelutti
- Department of Preventive Veterinary Medicine, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil;
| | - Sílvio Teixeira Da Costa
- Department of Morphology, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (M.D.S.V.); (S.T.D.C.)
| | - Alfredo Quites Antoniazzi
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (E.G.D.S.); (I.A.F.); (C.A.B.); (W.S.); (M.A.P.); (A.Q.A.)
| | - Bernardo Baldisserotto
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil; (E.G.D.S.); (I.A.F.); (C.A.B.); (W.S.); (M.A.P.); (A.Q.A.)
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Huang L, Cheng Y, Han S, Liu M, Yu Q, Wei H, He J, Li P. Identification of ISG15 in golden pompano, Trachinotus ovatus, and its role in virus and bacteria infections. FISH & SHELLFISH IMMUNOLOGY 2023; 132:108481. [PMID: 36566833 DOI: 10.1016/j.fsi.2022.108481] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/25/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Interferon (IFN)-stimulated gene product 15 (ISG15) is a ubiquitin-like protein critical for the control of microbial infections. Golden pompano, Trachinotus ovatus is one of the precious marine economic fish in the southern coast of China, always suffering from viruses, bacteria, and parasite infections. To date, the roles of golden pompano genes involved in viral and bacterial infections, especially IFN-related genes remained largely unknown. To identify the interferon system genes of golden pompano and explore their function, in this study, the ISG15 homolog (ToISG15) was cloned from golden pompano, and its role in response to grouper iridovirus (SGIV), nervous necrosis virus (NNV), and Aeromonas hydrophila infection was investigated. The whole ORF of ToISG15 was composed of 465 bp and encoded a polypeptide of 154 amino acids with different identity with the known ISG15 homologs from other fish species. Two conserved ubiquitin-like (UBL) domains and an Ub-conjugation domain (LRGG) were found in ToISG15 sequence. Expression analysis showed that ToISG15 was located mainly in the cytoplasm of golden pompano cells, and dramatically induced following SGIV, Aeromonas hydrophila, or poly I:C treatment, but little change was observed when NNV infection. Overexpression of ToISG15 in vitro significantly inhibited the replication of SGIV and NNV. Interestingly, ToISG15 possessed the ability to restrain the growth of Aeromonas hydrophila. Furthermore, To-ISG15 overexpression enhanced the expression of IFNc, IFNh, IRF3, IRF7, and viperin genes as well as, to a lesser extent, the IL-6 gene. Taken together, our results demonstrated the antiviral and antibacterial effect of To-ISG15, shedding light on the evolutionary conservation of ISG15 in the immune response to microbial infection.
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Affiliation(s)
- Lin Huang
- Guangxi Key Laboratory of Aquatic Biotechnology and Modern Ecological Aquaculture, Guangxi Engineering Research Center for Fishery Major Diseases Control and Efficient Healthy Breeding Industrial Technology (GERCFT), Guangxi Academy of Sciences, Nanning, China; China-ASEAN Modern Fishery Industry Technology Transfer Demonstration Center, Guangxi Academy of Sciences, Nanning, China
| | - Yuan Cheng
- Guangxi Key Laboratory of Aquatic Biotechnology and Modern Ecological Aquaculture, Guangxi Engineering Research Center for Fishery Major Diseases Control and Efficient Healthy Breeding Industrial Technology (GERCFT), Guangxi Academy of Sciences, Nanning, China
| | - Shuyu Han
- Guangxi Fisheries Technology Extension Station, Nanning, China
| | - Mingzhu Liu
- Guangxi Key Laboratory of Aquatic Biotechnology and Modern Ecological Aquaculture, Guangxi Engineering Research Center for Fishery Major Diseases Control and Efficient Healthy Breeding Industrial Technology (GERCFT), Guangxi Academy of Sciences, Nanning, China; China-ASEAN Modern Fishery Industry Technology Transfer Demonstration Center, Guangxi Academy of Sciences, Nanning, China
| | - Qing Yu
- Guangxi Key Laboratory of Aquatic Biotechnology and Modern Ecological Aquaculture, Guangxi Engineering Research Center for Fishery Major Diseases Control and Efficient Healthy Breeding Industrial Technology (GERCFT), Guangxi Academy of Sciences, Nanning, China; China-ASEAN Modern Fishery Industry Technology Transfer Demonstration Center, Guangxi Academy of Sciences, Nanning, China
| | - Hongling Wei
- Guangxi Key Laboratory of Aquatic Biotechnology and Modern Ecological Aquaculture, Guangxi Engineering Research Center for Fishery Major Diseases Control and Efficient Healthy Breeding Industrial Technology (GERCFT), Guangxi Academy of Sciences, Nanning, China; China-ASEAN Modern Fishery Industry Technology Transfer Demonstration Center, Guangxi Academy of Sciences, Nanning, China
| | - Jinzhao He
- Guangxi Fisheries Technology Extension Station, Nanning, China.
| | - Pengfei Li
- Guangxi Key Laboratory of Aquatic Biotechnology and Modern Ecological Aquaculture, Guangxi Engineering Research Center for Fishery Major Diseases Control and Efficient Healthy Breeding Industrial Technology (GERCFT), Guangxi Academy of Sciences, Nanning, China; China-ASEAN Modern Fishery Industry Technology Transfer Demonstration Center, Guangxi Academy of Sciences, Nanning, China.
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Complete Genome Sequence of a Suckermouth Catfish Outbreak Isolate, Aeromonas hydrophila Strain LP0103. Microbiol Resour Announc 2022; 11:e0040822. [PMID: 35993779 PMCID: PMC9476972 DOI: 10.1128/mra.00408-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Aeromonas hydrophila is the most common opportunistic pathogen that plagues freshwater and euryhaline fishponds. Here, we present the complete genome sequence of A. hydrophila strain LP0103, which was isolated from a bacterial septicemia outbreak among suckermouth catfish (Pterygoplichthys pardalis) at Lotus Pond in Kaohsiung City, Taiwan.
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Angulo C, Sanchez V, Delgado K, Monreal-Escalante E, Hernández-Adame L, Angulo M, Tello-Olea M, Reyes-Becerril M. Oral organic nanovaccines against bacterial and viral diseases. Microb Pathog 2022; 169:105648. [PMID: 35728750 DOI: 10.1016/j.micpath.2022.105648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/12/2022] [Accepted: 06/14/2022] [Indexed: 02/07/2023]
Abstract
Vaccines have saved millions of humans and animals from deadly diseases. Many vaccines are still under development to fight against lethal diseases. Indeed, subunit vaccines are a versatile approach with several advantageous attributes, but they lack strong immunogenicity. Nanotechnology is an avenue to vaccine development because nanoparticles may serve as nanocarriers and adjuvants, which are critical aspects for oral vaccines. This review provides an update of oral organic nanovaccines, describing suitable nanomaterials for oral vaccine design and recent (last five-year view) oral nanovaccine developments to fight against those principal pathogens causing human and animal diseases.
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Affiliation(s)
- Carlos Angulo
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico.
| | - Veronica Sanchez
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Karen Delgado
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Elizabeth Monreal-Escalante
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico; Cátedras-CONACYT. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Luis Hernández-Adame
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico; Cátedras-CONACYT. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Miriam Angulo
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Marlene Tello-Olea
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Martha Reyes-Becerril
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
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Prospecting of essential oils in combination with florfenicol against motile Aeromonas isolated from tambaqui (Colossoma macropomum). Arch Microbiol 2022; 204:392. [PMID: 35704068 DOI: 10.1007/s00203-022-03015-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/22/2022] [Indexed: 11/02/2022]
Abstract
Natural products with antimicrobial activity and their association with synthetic antimicrobials are a sustainable option in fish farming. The objective of this study was to determine antimicrobial activity, antibiofilm potential and synergism of five essential oils (EOs) with florfenicol against motile Aeromonas isolated from Amazonian Colossoma macropomum. As their major constituent, the EOs of the species of Aloysia triphylla, Croton cajucara (red and white morphotype), Cymbopongo citratus and Lippia gracilis present β-pinene (22.1%), germacrene D (11.5%), linalool (23%), geranial (45.7%) and carvacrol (42.2%), respectively. The EOs of L. gracilis and C. citratus showed the best antimicrobial activities against the Aeromonas strains (5 mg mL-1). All EOs interfered with biofilm formation and consolidated biofilm. The EOs of A. triphylla, C. citratus and L. gracilis showed a synergistic effect with florfenicol, reducing the amount of the chemical into the water systems while treatment.
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Complete genome sequence analysis and phylogenetic classification of the novel Aeromonas phage AHP-1, a potential member of the genus Tequatrovirus. Arch Virol 2022; 167:1225-1230. [PMID: 35296935 DOI: 10.1007/s00705-022-05418-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 02/08/2022] [Indexed: 11/27/2022]
Abstract
Aeromonas phage AHP-1 was originally isolated from crucian carp (Carassius carassius) tissue. It was able to infect Aeromonas hydrophila and A. salmonicida. Genome sequence analysis revealed a 218,317-bp-long linear genome with an overall G + C content of 47.9%, 315 open reading frames (ORFs), and 25 tRNA sequences. Its genome was found to contain 67 unique ORFs (21.26%) that did not show any homology to previously characterized proteins. A comparative genome analysis suggested that its closest neighbors are unclassified phages belonging to the genus Tequatrovirus of the subfamily Tevenvirinae.
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Kumar M, Gupta G, Varghese T, Srivastava PP, Gupta S. Preparation and characterization of glucose-conjugated super-paramagnetic iron oxide nanoparticles (G-SPIONs) for removal of Edwardsiella tarda and Aeromonas hydrophila from water. Microsc Res Tech 2022; 85:1768-1783. [PMID: 35038205 DOI: 10.1002/jemt.24037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 11/09/2022]
Abstract
The present research was conducted to prepare efficient G-SPIONs by co-precipitation to remove Edwardsiella tarda and Aeromonas hydrophila from the aqueous solution. The synthesized G-SPIONs were characterized by UV-Vis spectrophotometer, DLS, FEG-TEM, FT-IR, XRD, and VSM analysis. The results showed that the synthesized G-SPIONs had super-paramagnetic properties (58.31 emu/g) and spherical shape (16 ± 3 nm). The antibacterial activity was assessed in sterilized distilled water at different G-SPIONs concentrations viz. 0, 1.5, 3, 6, 12, 24, 48, 120, and 240 mg/L against E. tarda and A. hydrophila with various bacterial loads viz. 1 × 103 , 1 × 104 , 1 × 105 , 1 × 106 , and 1 × 107 CFU/ml at different time intervals 15, 30, 45, and 60 min. At a lower bacterial load of E. tarda and A. hydrophila 1 × 103 -1 × 104 CFU/ml, 100% bacterial load was removed by 15 min exposure with NPs concentration 6-48 mg/L and 1.5-6 mg/L, respectively. Cent percent bacterial removal was observed in both the bacterial species even at higher bacterial load (1 × 105 -1 × 107 CFU/ml) by increasing exposure time (15-60 min) and nanoparticle concentration as well (24-240 mg/L). At an initial bacterial load of E. tarda and A. hydrophila (1 × 103 -1 × 107 CFU/ml), the EC50 ranged between 0.01-6.51 mg/L and 0.02-3.84 mg/L, respectively, after 15-60 min exposure. Thus, it is concluded that the antibacterial effect of G-SPIONs depends on concentration and exposure time. Hence, G-SPIONs can be used as an antibacterial/biocidal agent to treat Edwardsiellosis and Aeromonosis disease in aquaculture.
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Affiliation(s)
- Munish Kumar
- Fish Nutrition, Biochemistry and Physiology Division, ICAR-Central Institute of Fisheries Education, Mumbai, India
| | - Gyandeep Gupta
- Fish Nutrition, Biochemistry and Physiology Division, ICAR-Central Institute of Fisheries Education, Mumbai, India
| | - Tincy Varghese
- Fish Nutrition, Biochemistry and Physiology Division, ICAR-Central Institute of Fisheries Education, Mumbai, India
| | | | - Subodh Gupta
- Fish Nutrition, Biochemistry and Physiology Division, ICAR-Central Institute of Fisheries Education, Mumbai, India
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The influence of dietary Motore™ supplement on antioxidant status to Aeromonas hydrophila infection in Rhamdia quelen. Microb Pathog 2021; 154:104871. [PMID: 33771632 DOI: 10.1016/j.micpath.2021.104871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 11/22/2022]
Abstract
This study points to evaluate the effects of pre-treatment with standardized dry extract of Curcuma longa (Motore™) added to the diet (0; 250; 500; and 750 mg/kg) on oxidative stress parameters, longevity, and therapeutic success in Rhamdia quelen experimentally infected with Aeromonas hydrophila (MF 372510). After treatment, the liver and kidney were collected to determine non-enzymatic oxidative parameters such as the formation of thiobarbituric acid reactive substances (TBARS), non-protein thiols (NPSH), and quantification of reactive oxygen species (ROS) levels. Also, two enzymatic antioxidant parameters were evaluated: superoxide dismutase (SOD) and catalase (CAT) activities. The results showed an increase of ROS and TBARS levels, a depletion in NPSH, and a decrease of SOD and CAT activities in infected fish compared to control. The highest Motore™ dose minimized the deleterious effect of A. hydrophila infection improving longevity, oxidative status, and survival rate. The addition of 750 mg Motore™/kg feed is recommended for silver catfish in fish farming. Serious economic losses in Rhamdia quelen culture caused by Aeromonas hydrophila infections can be prevented by the addition of Motore™ to the diet.
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Zhang Z, Liu G, Ma R, Qi X, Wang G, Zhu B, Ling F. The immunoprotective effect of whole-cell lysed inactivated vaccine with SWCNT as a carrier against Aeromonas hydrophila infection in grass carp. FISH & SHELLFISH IMMUNOLOGY 2020; 97:336-343. [PMID: 31874296 DOI: 10.1016/j.fsi.2019.12.069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/18/2019] [Accepted: 12/21/2019] [Indexed: 06/10/2023]
Abstract
Aeromonas hydrophila is a strong gram-negative bacterium that can cause a mass death of grass carp, and result in the huge economic loss. Development of practical vaccines is the best way to control the outbreak of this bacterial disease. In this study, a whole-cell inactivated vaccine was obtained via sonication, and then single-walled carbon nanotubes (SWCNTs) was used to link to the bacterial lysate (BL) for a novel vaccine (SWCNTs-BL). A total of 400 fish were vaccinated with BL and SWCNTs-BL via immersion (5, 10 mg L-1) or injection (5, 10 μg/fish) before challenge with live A. hydrophila at the 28 days post immunization (d.p.i.). The results showed that the antibody titer, enzymatic activity, expression of some immune-related genes (especially IgM and TNF-α) and RPS of fish in the injection groups were significantly increased compared to the control group after 28 d.p.i. For the immersion groups, immunological parameters were increased compared to the control group. Furthermore, the immuno-protective effects of SWCNTs-BL were better than BL. The above results indicated that BL of A. hydrophila can effectively induce specific immune response of grass carp, and BL linked with functionalized SWCNTs could enhance the protective effect of immersion immunization. Our results may provide a practical vaccine, with a simple production, to fight against bacterial diseases in aquaculture industry.
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Affiliation(s)
- Zhongyu Zhang
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China
| | - Gaoyang Liu
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China
| | - Rui Ma
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China
| | - Xiaozhou Qi
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China
| | - Gaoxue Wang
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China
| | - Bin Zhu
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China.
| | - Fei Ling
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, China.
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Baldissera MD, Souza CF, Abbad LB, Verdi CM, Santos RCV, da Silva AS, Baldisserotto B. Dietary supplementation with caffeine increases survival rate, reduces microbial load and protects the liver against Aeromonas hydrophila-induced hepatic damage in the grass carp Ctenopharyngodon idella. Microb Pathog 2019; 135:103637. [DOI: 10.1016/j.micpath.2019.103637] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/17/2019] [Accepted: 07/18/2019] [Indexed: 01/11/2023]
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13
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Baldissera MD, Freitas Souza CD, Dias JB, Da Silva AS, Baldisserotto B. Caffeine supplementation in diet mitigates Aeromonas hydrophila-induced impairment of the gill phosphotransfer network in grass carp Ctenopharyngodon idella. Microb Pathog 2019; 136:103710. [PMID: 31493503 DOI: 10.1016/j.micpath.2019.103710] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/28/2019] [Accepted: 09/02/2019] [Indexed: 01/20/2023]
Abstract
Some evidence suggests the involvement of phosphotransfer network in the pathogenesis of fish bacterial diseases, catalyzed by creatine kinase (CK), pyruvate kinase (PK) and adenylate kinase (AK); nevertheless, the effects on fish affected by Aeromonas hydrophila remain unknown. Recent evidence suggested a potent protective effect of caffeine on the branchial phosphotransfer network of fish subjected to challenge conditions. Therefore, the aim of this study was to evaluate whether A. hydrophila infection impaired branchial bioenergetics. We also determined whether dietary supplementation with caffeine protected against A. hydrophila-induced gill bioenergetic imbalance. We found that branchial cytosolic CK and AK activities were significant lower in fish experimentally infected with A. hydrophila than in uninfected fish, while mitochondrial CK activity was significant higher. Branchial lactate dehydrogenase (LDH) activity and lactate levels were significant higher in fish experimentally infected by A. hydrophila than in uninfected fish, while sodium-potassium ion pump (Na+, K+-ATPase) activity and adenosine triphosphate (ATP) levels were significant lower. No significant difference was observed between groups with respect to branchial PK activity. The dietary supplementation with 8% caffeine improved the branchial CK (cytosolic and mitochondrial), AK, and LDH activities, as well as ATP levels, but did not prevent increases in branchial lactate levels or the inhibition of Na+, K+-ATPase activity elicited by aeromonosis. Based on this evidence, we believe that reduction of CK (cytosolic) and AK activities contributes to impairment of bioenergetic homeostasis, while augmentation of mitochondrial CK activity can be considered an attempt to prevent or reduce the energetic imbalance during aeromonosis caused by A. hydrophila. The use of 8% caffeine dietary supplementation improved the energetic metabolism via protective effects on CK and AK activities, avoiding the necessity of using anaerobic metabolism. In summary, 8% dietary caffeine can be used to improve branchial energetic homeostasis during aeromonosis caused by A. hydrophila.
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Affiliation(s)
- Matheus D Baldissera
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
| | - Carine de Freitas Souza
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Juliane B Dias
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Aleksandro S Da Silva
- Department of Animal Science, Universidade Do Estado de Santa Catarina, Chapecó, RS, Brazil
| | - Bernardo Baldisserotto
- Department of Physiology and Pharmacology, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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