Sílvia Umeda Gallani

Susceptibility and Clinicopathological Findings in Three Amazonian Fish Species Experimentally Infected with Lactococcus spp.: A Preliminary Study

Angélica Emanuely Costa do Rosário, Francisco Yan Tavares Reis, Angelo Carlo Chaparro Barbanti, Érik José Carvalho Da Costa et autres

Bacterial diseases cause significant losses in the aquaculture of Amazonian fishes (Arapaima gigas, Brycon amazonicus, and Colossoma macropomum). Lactococcosis-causing bacteria (LCB) have emerged as important pathogens in global aquaculture, and although they have already been isolated from these fish species, their pathogenic …

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Multilocus Sequence Typing Reveals New Insights into the Population Structure and Genetic Diversity of Lactococcus spp. from Brazilian Fish

Guilherme Campos Tavares, Sarah Portes Carneiro, Angelo Carlo Chaparro Barbanti, Angélica Emanuely Costa do Rosário et autres

Lactococcosis has emerged as an economically and ecologically significant disease in aquatic animals worldwide. This study employed multilocus sequence typing (MLST) to investigate the genetic diversity of Lactococcus spp. strains from Brazilian fish species and evaluate their phylogenetic relationships with global isolates …

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Phylogenetic Analysis of Lactococcosis-Causing Bacteria Isolated from Different Fish Species in Brazil Using Multilocus Sequence Typing

Guilherme Campos Tavares, Sarah Portes Carneiro, Angelo Carlo Chaparro Barbanti, Angélica Emanuely Costa do Rosário et autres

Lactococcosis has emerged as an economically and ecologically significant disease in aquatic animals worldwide. This study employed multilocus sequence typing (MLST) to investigate the genetic diversity of Lactococcus spp. strains from Brazilian fish species and evaluate their phylogenetic relationships with global isolates …

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Flavobacterium oreochromis From Farmed Tambaqui ( Colossoma macropomum ): Insights Into Genetic, Phenotypic and Pathogenic Diversity

Elcimara Cardoso Pereira, Mariluce Dos Reis Ferreira, Suzana Kotzent, Luiz Fagner Ferreira Nogueira et autres

ABSTRACT Flavobacterium spp. are the etiological agents of columnaris disease. Although there is evidence that columnaris poses a significant threat to the farming of tambaqui ( Colossoma macropomum ), there remains a large gap in understanding the genetic and phenotypic diversities of …

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AQUICULTURA NA DIFUSÃO DA CIÊNCIA E DESENVOLVIMENTO NO AMAZONAS

Thiago Mendes de Freitas, J. Kojima, Sílvia Umeda Gallani, Anderson Gomes dos Santos

A região Norte do Brasil destaca-se pelo alto consumo de pescado, com o Amazonas sendo um polo relevante devido à importância socioeconômica da pesca e aquicultura. Para promover a popularização da ciência e o desenvolvimento sustentável no setor aquícola, foi criado o …

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Susceptibility and Clinicopathological Findings of Three Amazonian Fishes Experimentally Infected with Lactococcus spp.

Angélica Emanuely Costa do Rosário, Francisco Yan Tavares Reis, Angelo Carlo Chaparro Barbanti, Cynthia Rafaela Monteiro da Silva Maia et autres

This study evaluated the susceptibility of three Amazonian fish species, Arapaima gigas, Brycon amazonicus and Colossoma macroporum to Lactococcus spp., through experimental infection, and performed a detailed examination of the pathological damage. While lactococcosis-causing bacteria have already been isolated from these fish …

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Gene expression responses revealing immune mechanisms in tambaqui (Colossoma macropomum) during the early phase of acute Flavobacterium oreochromis infection

Carolina de Souza Pereira, Vito A. Mastrochirico-Filho, Elcimara Cardoso Pereira, Arno Juliano Butzge et autres

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Indirect Enzyme-Linked Immunosorbent Assay Based on Immunoglobulin Y Antibodies for the Evaluation of Humoral Immunity Against Flavobacterium oreochromis in Colossoma macropomum: A Preliminary Study

Maria Vitória Marialva da Silva LÔBO, Elcimara Cardoso Pereira, Taísa Freitas Botinelly, Juliane Corrêa Glória et autres

Infections with Flavobacterium oreochromis pose risks to the production of Colossoma macropomum. Since no therapeutic treatment exists for this disease in this aquatic host, prophylaxis through vaccination is one method for disease control. The enzyme-linked immunosorbent assay (ELISA) is widely used in …

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Biomass of Rhodopseudomonas palustris as a protein source for juvenile Colossoma macropomum

Sarah Ragonha de Oliveira, Bianca Natally Viana Serra, Elcimara Cardoso Pereira, Indra Mary Costa Fernandes et autres

Susceptibility of Tambaqui (Colossoma macropomum) to Nile Tilapia-Derived Streptococcus agalactiae and Francisella orientalis

Francisco Yan Tavares Reis, Victória Pontes Rocha, Peter Charrie Janampa-Sarmiento, Ágna Ferreira Santos et autres

Nile tilapia (Oreochromis niloticus) and tambaqui (Colossoma macropomum) are the two most produced freshwater fishes in Brazil. This study investigated the potential pathogenicity of Streptococcus agalactiae and Francisella orientalis, previously isolated from diseased Nile tilapia, to tambaqui. Experimental infection trials were conducted …

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Gene expression responses of tambaqui (Colossoma macropomum) to the early phase of acute infection by Flavobacterium oreochromis

Carolina Pereira, Vito A. Mastrochirico-Filho, Elcimara Cardoso Pereira, Arno Juliano Butzge et autres

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Antimicrobial Resistance in Lactococcus spp. Isolated from Native Brazilian Fish Species: A Growing Challenge for Aquaculture

Angélica Emanuely Costa do Rosário, Angelo Carlo Chaparro Barbanti, Helena Caldeira Matos, Cynthia Rafaela Monteiro da Silva Maia et autres

Lactococcus spp. has emerged as a pathogen that is affecting global aquaculture, with L. garvieae, L. petauri, and L. formosensis causing piscine lactococcosis. While antimicrobials are commonly used to treat diseases in aquaculture, reports of antimicrobial resistance in fish isolates are increasing. …

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