Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132844
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dc.contributor.authorPROIETTI-JUNIOR, A. A.
dc.contributor.authorLIMA, L. S.
dc.contributor.authorROGES, E. M.
dc.contributor.authorRODRIGUES, Y. C.
dc.contributor.authorLIMA, K. V. B.
dc.contributor.authorRODRIGUES, D. P.
dc.contributor.authorTAVARES-DIAS, M.
dc.date.accessioned2021-07-07T15:01:26Z-
dc.date.available2021-07-07T15:01:26Z-
dc.date.created2021-07-07
dc.date.issued2021
dc.identifier.citationAquaculture Research, v. 52, p. 1688-1696, Jan. 2021.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1132844-
dc.descriptionIn fish, bacteriosis has been widely linked with Aeromonas species, but co-infection by these bacteria has been little addressed. The aims of this study were to report on an outbreak of disease in pirarucu Arapaima gigas caused by Aeromonas and to investigate experimental co-infection and characterize resistance profile, virulence factors and phenotypic and molecular differentiation. Fish samples with clinical signs of bacteriosis were collected and used to study experimental co-infection. The bacterial isolates were characterized phenotypically as Aeromonas hydrophila and Aeromonas jandaei. Virulence genes aerA, gcat, lip, dnase and hlyA were detected using the polymerase chain reaction, while the alt, act and ser genes were not found. Resistance to imipenem and ceftriaxone was observed; however, all isolates were susceptible to most of the antibiotics assayed. Phenotypic tests to determine the presence of metallo-β-lactamases showed positivity only for A. jandaei strains. Assays for the resistance genes kpc, ndm, imp, oxa-48 and vim showed negative results. The co-infection and pathogenicity of A. hydrophila in association with A. jandaei in A. gigas, established in accordance with Koch's postulate, provided experimental support for the existence of synergism between these bacteria. This has several implications relating to occurrences of this co-infection and determinants of virulence.
dc.language.isoeng
dc.rightsopenAccesseng
dc.subjectCulture
dc.subjectResistance profile
dc.titleExperimental co-infection by Aeromonas hydrophila and Aeromonas jandaei in pirarucu Arapaima gigas (Pisces: Arapaimidae).
dc.typeArtigo de periódico
dc.subject.thesagroParasito de Animal
dc.subject.thesagroBactéria
dc.subject.thesagroPeixe de Água Doce
dc.subject.thesagroPirarucu
dc.subject.nalthesaurusInfection
dc.subject.nalthesaurusVirulence
riaa.ainfo.id1132844
riaa.ainfo.lastupdate2021-07-07
dc.identifier.doi10.1111/are.15021
dc.contributor.institutionALDO APARECIDO PROIETTI-JUNIOR, UNIFAP. PPG em Biodiversidade e Biotecnologia; LUCIANA SAMPAIO LIMA, UEPA. PPG em Biologia Parasitária da Amazônia; EMILY MORAES ROGES, UFF. PPG em Higiene Veterinária e Processamento Tecnológico de Produtos de Origem Animal; YAN CORRÊA RODRIGUES, UEPA. PPG em Biologia Parasitária da Amazônia; KARLA VALÉRIA BATISTA LIMA, IEC; DÁLIA PRAZERES RODRIGUES, FIOCRUZ; MARCOS TAVARES DIAS, CPAF-AP.
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