Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish Pseudoplatystoma
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/227895 |
Resumo: | Bacterial diseases are responsible for important economic losses in aquaculture over the world, and South American catfishes are susceptible to Gram negative bacteria causative of haemorrhagic septicemia. This study registers the biochemical characteristics, antimicrobial resistance and pathological effects of Citrobacter freundii infection in cachara Pseudoplatystoma reticulatum. Moribund juvenile fish with non-specific clinical signs were used for bacteriological and parasitological diagnosis. No parasitic infections were found in examined fish, but two isolate obtained from the kidney and encephalon was characterized by Gram negative bacilli, catalase positive and oxidase negative. Isolates were submitted to biochemical identification by a commercial API 20E. Susceptibility analysis to 15 drugs was performed by the diffusion method in Agar Muller Hinton discs. Experimental assay was also made to confirm the Kock postulate. The isolates showed biochemical profile corresponding to Citrobacter freundii. A multiresistance at 66.7% of the antibiotic molecules tested was observed. In experimental infection haemorrhagic septicaemia, severe enteritis and important lesions in kidney and gills are described. |
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Repositório Institucional da UNESP |
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spelling |
Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish PseudoplatystomaAntimicrobial resistanceEnterobacteriaceaeHemorrhagic septicaemiaSiluriformesBacterial diseases are responsible for important economic losses in aquaculture over the world, and South American catfishes are susceptible to Gram negative bacteria causative of haemorrhagic septicemia. This study registers the biochemical characteristics, antimicrobial resistance and pathological effects of Citrobacter freundii infection in cachara Pseudoplatystoma reticulatum. Moribund juvenile fish with non-specific clinical signs were used for bacteriological and parasitological diagnosis. No parasitic infections were found in examined fish, but two isolate obtained from the kidney and encephalon was characterized by Gram negative bacilli, catalase positive and oxidase negative. Isolates were submitted to biochemical identification by a commercial API 20E. Susceptibility analysis to 15 drugs was performed by the diffusion method in Agar Muller Hinton discs. Experimental assay was also made to confirm the Kock postulate. The isolates showed biochemical profile corresponding to Citrobacter freundii. A multiresistance at 66.7% of the antibiotic molecules tested was observed. In experimental infection haemorrhagic septicaemia, severe enteritis and important lesions in kidney and gills are described.AQUIVET Saúde Aquática, Rua Cristóvão Colombo, 1519, Jardim NazarethAnhanguera Faculty of Dourados, Rua Manoel Santiago, 1155LAPOA - Laboratory of Aquatic Organisms Pathology Aquaculture Center of São Paulo State University (CAUNESP), Via de Acesso Prof. Paulo Donato Castellane s/nAQUOS - Aquatic Organisms Health Laboratory Aquaculture Department Federal University of Santa Catarina (UFSC), Rod. Admar Gonzaga 1346Embrapa Environment, Rod. SP 340, km 127,5LAPOA - Laboratory of Aquatic Organisms Pathology Aquaculture Center of São Paulo State University (CAUNESP), Via de Acesso Prof. Paulo Donato Castellane s/nAQUIVET Saúde AquáticaAnhanguera Faculty of DouradosUniversidade Estadual Paulista (UNESP)Universidade Federal de Santa Catarina (UFSC)Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA)de Pádua, Santiago BenitesMarques, Debora PeixotoSebastião, Fernanda Alexandre [UNESP]Pilarski, Fabiana [UNESP]Martins, Maurício LaterçaIshikawa, Márcia Mayumi2022-04-29T07:24:27Z2022-04-29T07:24:27Z2014-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article151-157Brazilian Journal of Veterinary Pathology, v. 7, n. 3, p. 151-157, 2014.1983-0246http://hdl.handle.net/11449/2278952-s2.0-84914103885Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBrazilian Journal of Veterinary Pathologyinfo:eu-repo/semantics/openAccess2022-04-29T07:24:27Zoai:repositorio.unesp.br:11449/227895Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-29T07:24:27Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish Pseudoplatystoma |
title |
Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish Pseudoplatystoma |
spellingShingle |
Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish Pseudoplatystoma de Pádua, Santiago Benites Antimicrobial resistance Enterobacteriaceae Hemorrhagic septicaemia Siluriformes |
title_short |
Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish Pseudoplatystoma |
title_full |
Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish Pseudoplatystoma |
title_fullStr |
Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish Pseudoplatystoma |
title_full_unstemmed |
Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish Pseudoplatystoma |
title_sort |
Isolation, characterization and pathology of citrobacter freundii infection in native Brazilian catfish Pseudoplatystoma |
author |
de Pádua, Santiago Benites |
author_facet |
de Pádua, Santiago Benites Marques, Debora Peixoto Sebastião, Fernanda Alexandre [UNESP] Pilarski, Fabiana [UNESP] Martins, Maurício Laterça Ishikawa, Márcia Mayumi |
author_role |
author |
author2 |
Marques, Debora Peixoto Sebastião, Fernanda Alexandre [UNESP] Pilarski, Fabiana [UNESP] Martins, Maurício Laterça Ishikawa, Márcia Mayumi |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
AQUIVET Saúde Aquática Anhanguera Faculty of Dourados Universidade Estadual Paulista (UNESP) Universidade Federal de Santa Catarina (UFSC) Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA) |
dc.contributor.author.fl_str_mv |
de Pádua, Santiago Benites Marques, Debora Peixoto Sebastião, Fernanda Alexandre [UNESP] Pilarski, Fabiana [UNESP] Martins, Maurício Laterça Ishikawa, Márcia Mayumi |
dc.subject.por.fl_str_mv |
Antimicrobial resistance Enterobacteriaceae Hemorrhagic septicaemia Siluriformes |
topic |
Antimicrobial resistance Enterobacteriaceae Hemorrhagic septicaemia Siluriformes |
description |
Bacterial diseases are responsible for important economic losses in aquaculture over the world, and South American catfishes are susceptible to Gram negative bacteria causative of haemorrhagic septicemia. This study registers the biochemical characteristics, antimicrobial resistance and pathological effects of Citrobacter freundii infection in cachara Pseudoplatystoma reticulatum. Moribund juvenile fish with non-specific clinical signs were used for bacteriological and parasitological diagnosis. No parasitic infections were found in examined fish, but two isolate obtained from the kidney and encephalon was characterized by Gram negative bacilli, catalase positive and oxidase negative. Isolates were submitted to biochemical identification by a commercial API 20E. Susceptibility analysis to 15 drugs was performed by the diffusion method in Agar Muller Hinton discs. Experimental assay was also made to confirm the Kock postulate. The isolates showed biochemical profile corresponding to Citrobacter freundii. A multiresistance at 66.7% of the antibiotic molecules tested was observed. In experimental infection haemorrhagic septicaemia, severe enteritis and important lesions in kidney and gills are described. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-01-01 2022-04-29T07:24:27Z 2022-04-29T07:24:27Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Brazilian Journal of Veterinary Pathology, v. 7, n. 3, p. 151-157, 2014. 1983-0246 http://hdl.handle.net/11449/227895 2-s2.0-84914103885 |
identifier_str_mv |
Brazilian Journal of Veterinary Pathology, v. 7, n. 3, p. 151-157, 2014. 1983-0246 2-s2.0-84914103885 |
url |
http://hdl.handle.net/11449/227895 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Brazilian Journal of Veterinary Pathology |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
151-157 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1792962032335585280 |