Molecular identification and epizootiology of Aeromonas veronii infection among farmed Oreochromis niloticus in Eastern Province, KSA

Hassan, Mohamed; Noureldin, E.A.; Mahmoud, Mahmoud; Fita, Nabil A.

doi:10.1016/j.ejar.2017.06.001

Cited by 74 publications

(70 citation statements)

References 22 publications

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“…The infection of aquatic animals by A. veronii mainly occurs in the summer and autumn (Deng et al, ; Wu et al, ; Zhu et al, ). However, a case of A. veronii infection in golden Taiwanese loach at water temperature of 5–8°C was found, differing from any previous reports (Deng et al, ; Hassan et al, ; Zhu et al, ). Previous study has reported that low water temperature and less feeding in winter can induce fish immunodeficiency (Bly & Clem, ).…”

Section: Physiological and Biochemical Identification Of The Isolatedcontrasting

confidence: 79%

“…Aeromonas veronii , widely distributed in freshwater, seawater, silt and sewage, can infect human, fish and livestock (Gaspar‐Loren, Farfan, Minana‐Galbis, & Carmen‐Fusté, ; Wu et al, ). In recent years, outbreaks caused by A. veronii have been reported in many aquatic animals (Hassan, Noureldin, Mahmoud, & Fita, ; Mohammed & Peatman, ; Zhu et al, ), which have led to extensive aquatic losses in aquaculture. Studies show that A. veronii infected aquaculture animals when the water temperature is suitable for its growth, such as loach ( Misgurnus anguillicaudatus ) at 22–30°C (Zhu et al, ) and Siberian sturgeon ( Acipenser.…”

Section: Physiological and Biochemical Identification Of The Isolatedmentioning

confidence: 99%

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A case of Aeromonas veronii infection in golden Taiwanese loach ( Paramisgurnus dabryanus ) at low water temperature

Wang

Zhang

et al. 2019

Aquac Res

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Section: Physiological and Biochemical Identification Of The Isolatedcontrasting

confidence: 79%

Section: Physiological and Biochemical Identification Of The Isolatedmentioning

confidence: 99%

A case of Aeromonas veronii infection in golden Taiwanese loach ( Paramisgurnus dabryanus ) at low water temperature

Wang

Zhang

et al. 2019

Aquac Res

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“…Concerning to antibiogram sensitivity test, it was found that Aeromonas veronii biovar sobria was sensitive to Trimethoprim + Sulphamethoxazole, Erythromycin and Streptomycin which agree with Hassan et al, (2017) and was resist to Ampicillin and Amoxicillin, and Amoxicillin as shown in Table (5). (Adanir and Turutoglu, 2007, Guz and Kozinska, 2004and Hassan et al, 2017 confirmed the resistance of Aeromonas sobria (Aeromonas veronii subspecies sobria) to Ampicillin (AM 10) andother B-lactam antibiotics such as amoxicillin.…”

Section: Photo (2)mentioning

confidence: 98%

“…(Adanir and Turutoglu, 2007, Guz and Kozinska, 2004and Hassan et al, 2017 confirmed the resistance of Aeromonas sobria (Aeromonas veronii subspecies sobria) to Ampicillin (AM 10) andother B-lactam antibiotics such as amoxicillin. The resistance to Oxytetracycline in this study may be attributed to tet genes which recently discovered as responsible for oxytetracycline resistance in Aeromonas veronii (Nawaz, et al, 2006).…”

Section: Photo (2)mentioning

confidence: 99%

“…Also, Aeromonas veronii biovar sobria was isolated and molecular identified from outbreak of disease mass mortalities in different fish farms at the areas of Bahr El-Baqar (Eissa et al, 2015). Nucleotide sequence analysis only for identification of Aeromonas veronii biovar sobria provides a rapid and reliable diagnostic techniques (Hassan et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

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Biochemical and Molecular Characterization of Aeromonas Species Isolated from Fish

Wassif¹

2018

AJVS

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Key words:Aeromonas veronii biovar sobria, Oreochromis niloticus, Ictalurus punctatus, 16s rRNA, PCRIn this study, a total of 150 Oreochromis niloticus (Nile tilapia) (90) and Ictalurus punctatus (Channel cat fish) (60) fish were collected randomly during an outbreak of disease mass mortalities from different fish farms in El Sharkia and El Ismailia governorate. Clinical signs and postmortem were recorded. Aeromonas veronii were isolated and presumptively identified using API20E system with recovery rate of 36.66% from total number of fish. The identification was confirmed for Aeromonas veronii biovar sobria by PCR and sequence analysis of 16s rRNA gene. The experimental infection was carried out by Aeromonas veronii biovar sobria isolate with 60 % of mortality rate. By antibiotic sensitivity test, Aeromonas veronii biovar sobria isolate was sensitive to Trimethoprim + Sulphamethoxazole and Erythromycin but it was resistant to Oxytetracyclin.

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Identification and analysis of pathogenic bacteria causing outbreaks in Indian major carp aquaculture of Tripura

et al. 2023

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ObjectiveThe objective of this study was to investigate bacterial disease outbreaks in Indian major carp from aquaculture systems in Tripura, India, and identify the bacterial species associated with these outbreaks.MethodsA 3‐year surveillance was conducted in 8 districts of Tripura, during which 9 bacterial disease outbreaks were recorded. Fourteen bacterial strains isolated from diseased Indian major carp were selected and identified using phenotypic, molecular (16S rRNA gene), and phylogenetic analysis. In‐vitro pathogenicity studies were performed to assess the potential pathogenicity of the isolated bacteria.ResultsThe selected isolated strains were preliminarily identified under the genera Aeromonas (9 isolates), Acinetobacter (1 isolate), Citrobacter (3 isolates), and Pseudomonas (1 isolate). Molecular and phylogenetic analysis confirmed the species of the isolated bacteria, including Aeromonas jandaei (with strains COF_AHE09 and COF_AHE61), Aeromonas veronii (with strains COF_AHE13, COF_AHE52, COF_AHE55, COF_AHE56, and COF_AHE62), Aeromonas hydrophila (with strains COF_AHE51 and COF_AHE58), Acinetobacter pittii (with strain COF_AHE14), Citrobacter freundii (with strains COF_AHE20, COF_AHE57, and COF_AHE59), and Pseudomonas aeruginosa (with strain COF_AHE54). Behavioral and clinical signs observed in the diseased fish, such as lethargy, skin hemorrhaging, ulcers, fin and tail rot, pop eye, distended abdomen, scale loss, and skin discoloration, indicated the presence of bacterial septicemia. The in‐vitro pathogenicity studies highlighted the potential role of these bacteria in disease development, especially under environmental stress.ConclusionThis study provides valuable insights into the diversity of bacterial species associated with bacterial disease outbreaks in Indian major carp from aquaculture systems in Tripura. It serves as the first comprehensive investigation of its kind, contributing to our understanding of bacterial infections in Indian major carp.

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Molecular identification and epizootiology of Aeromonas veronii infection among farmed Oreochromis niloticus in Eastern Province, KSA

Cited by 74 publications

References 22 publications

A case of Aeromonas veronii infection in golden Taiwanese loach ( Paramisgurnus dabryanus ) at low water temperature

A case of Aeromonas veronii infection in golden Taiwanese loach ( Paramisgurnus dabryanus ) at low water temperature

Biochemical and Molecular Characterization of Aeromonas Species Isolated from Fish

Identification and analysis of pathogenic bacteria causing outbreaks in Indian major carp aquaculture of Tripura

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