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Registro Completo |
Biblioteca(s): |
Embrapa Unidades Centrais. |
Data corrente: |
07/08/2017 |
Data da última atualização: |
29/12/2017 |
Autoria: |
MOURA, J. B.; VARGAS, A. C. de; GOUVEIA, G. V.; GOUVEIA, J. J. de S.; RAMOS-JÚNIOR, J. C.; BOTTON, S. de A.; PEREIRA, E. C.; COSTA, M. M. da. |
Afiliação: |
Jusciêne B. Moura, Universidade Federal do Vale do São Francisco - Univasf/Laboratório de Microbiologia e Imunologia Animal; Agueda C. de Vargas, Universidade Federal de Santa Maria/UFSM/Laboratório de Bacteriologia - Labac, Centro de Ciências Rurais/Departamento de Medicina Veterinária Preventiva.; Gisele V. Gouveia, Universidade Federal do Vale do São Francisco - Univasf/Laboratório de Microbiologia e Imunologia Animal; João J. de S. Gouveia, Universidade Federal do Vale do São Francisco - Univasf/Laboratório de Microbiologia e Imunologia Animal; Juracy C. Ramos-Júnior, Clínica Veterinária São Francisco - Clivesf; Sônia de A. Botton, Universidade Federal de Santa Maria/UFSM/Laboratório de Bacteriologia - Labac, Centro de Ciências Rurais/Departamento de Medicina Veterinária Preventiva.; Eugênia C. Pereira, Universidade Federal de Pernambuco - UFPE,Departamento de Ciências Geográficas, Centro de Filosofia e Ciências Humanas; Mateus M. da Costa, Universidade Federal do Vale do São Francisco - Univasf/Laboratório de Microbiologia e Imunologia Animal. |
Título: |
In vitro antimicrobial activity of the organic extract of Cladonia substellata Vainio and usnic acid against Staphylococcus spp. obtained from cats and dogs. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 37, n. 4, p. 368-378, abril 2017. |
Idioma: |
Inglês |
Notas: |
Título em português: Atividade antimicrobiana in vitro do extrato orgânico de Cladonia substellata Vainio e ácido úsnico frente Staphylococcus spp. obtidos de cães e gatos. |
Conteúdo: |
Cladonia substellata Vainio is a lichen found in different regions of the world, including the Northeast of Brazil. It contains several secondary metabolites with biological activity, including usnic acid, which has exhibited a wide range of biological activities. The aim of this study was to evaluate the in vitro antimicrobial activity of the organic extract of C. substellata and purified usnic acid. Initially, Staphylococcus spp., derived from samples of skin and ears of dogs and cats with suspected pyoderma and otitis, were isolated and analyzed. In antimicrobial susceptibility testing against Staphylococcus spp., 77% (105/136) of the isolates were resistant to the antimicrobials tested. In the assessment of biofilm production, 83% (113/136) were classified as producing biofilm. In genetic characterization, 32% (44/136) were positive for blaZ, no isolate (0/136) was positive for the mecA gene, and 2% (3/136) were positive for the icaD gene. The in vitro antimicrobial activity of the organic extract of C. substellata and purified usnic acid against Staphylococcus spp. ranged from 0.25mg/mL to 0.0019mg/mL, inhibiting bacterial growth at low concentrations. The substances were more effective against biofilm-producing bacteria (0.65mg/mL-0.42mg/mL) when compared to non-biofilm producing bacteria (2.52mg/mL-2.71mg/mL). Usnic acid and the organic extract of C. substellata can be effective in the treatment of pyoderma and otitis in dogs and cats caused by Staphylococcus spp. |
Palavras-Chave: |
Antimicrobial activity; Antimicrobiano; Cladonia substellata; Lichen. |
Thesagro: |
Bactéria; Biofilme; Cão; Gato; Gene. |
Thesaurus Nal: |
Biofilm; Cats; Dogs; Genes; Lichens; Usnic acid. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/162500/1/In-vitro-atimicrobial-activity.pdf
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Marc: |
LEADER 02796naa a2200397 a 4500 001 2073707 005 2017-12-29 008 2017 bl uuuu u00u1 u #d 100 1 $aMOURA, J. B. 245 $aIn vitro antimicrobial activity of the organic extract of Cladonia substellata Vainio and usnic acid against Staphylococcus spp. obtained from cats and dogs.$h[electronic resource] 260 $c2017 500 $aTítulo em português: Atividade antimicrobiana in vitro do extrato orgânico de Cladonia substellata Vainio e ácido úsnico frente Staphylococcus spp. obtidos de cães e gatos. 520 $aCladonia substellata Vainio is a lichen found in different regions of the world, including the Northeast of Brazil. It contains several secondary metabolites with biological activity, including usnic acid, which has exhibited a wide range of biological activities. The aim of this study was to evaluate the in vitro antimicrobial activity of the organic extract of C. substellata and purified usnic acid. Initially, Staphylococcus spp., derived from samples of skin and ears of dogs and cats with suspected pyoderma and otitis, were isolated and analyzed. In antimicrobial susceptibility testing against Staphylococcus spp., 77% (105/136) of the isolates were resistant to the antimicrobials tested. In the assessment of biofilm production, 83% (113/136) were classified as producing biofilm. In genetic characterization, 32% (44/136) were positive for blaZ, no isolate (0/136) was positive for the mecA gene, and 2% (3/136) were positive for the icaD gene. The in vitro antimicrobial activity of the organic extract of C. substellata and purified usnic acid against Staphylococcus spp. ranged from 0.25mg/mL to 0.0019mg/mL, inhibiting bacterial growth at low concentrations. The substances were more effective against biofilm-producing bacteria (0.65mg/mL-0.42mg/mL) when compared to non-biofilm producing bacteria (2.52mg/mL-2.71mg/mL). Usnic acid and the organic extract of C. substellata can be effective in the treatment of pyoderma and otitis in dogs and cats caused by Staphylococcus spp. 650 $aBiofilm 650 $aCats 650 $aDogs 650 $aGenes 650 $aLichens 650 $aUsnic acid 650 $aBactéria 650 $aBiofilme 650 $aCão 650 $aGato 650 $aGene 653 $aAntimicrobial activity 653 $aAntimicrobiano 653 $aCladonia substellata 653 $aLichen 700 1 $aVARGAS, A. C. de 700 1 $aGOUVEIA, G. V. 700 1 $aGOUVEIA, J. J. de S. 700 1 $aRAMOS-JÚNIOR, J. C. 700 1 $aBOTTON, S. de A. 700 1 $aPEREIRA, E. C. 700 1 $aCOSTA, M. M. da 773 $tPesquisa Veterinária Brasileira, Rio de Janeiro$gv. 37, n. 4, p. 368-378, abril 2017.
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Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
25/11/2019 |
Data da última atualização: |
03/01/2020 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
MATOS, C. F.; PINHEIRO, E. F. M.; CAMPOS, D. V. B. de. |
Afiliação: |
CAMILA F. MATOS, UFRRJ; ÉRIKA FLÁVIA MACHADO PINHEIRO, UFRRJ; DAVID VILAS BOAS DE CAMPOS, CNPS. |
Título: |
Biogas and biofertilizer production from dairy cattle manure under organic and conventional production systems in Seropedica, Rio de Janeiro (Brazil). |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
In: WORLD CONGRESS OF SOIL SCIENCE, 21., 2018, Rio de Janeiro. Soil science: beyond food and fuel: proceedings... Viçosa, MG: SBCS, 2019. v. 2, p. 150-151. WCSS 2018. |
Idioma: |
Inglês |
Conteúdo: |
The goal of this study was to evaluate the production of biogas potential and biofertilizer resulting from the anaerobic biodigestion of dairy cattle manure under organic and conventional production system. |
Thesagro: |
Biodigestor; Poluição do Solo; Resíduo Agrícola. |
Thesaurus NAL: |
Agricultural wastes; Soil pollution. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/205340/1/Biogas-and-biofertilizer-production-from-dairy-cattle-manure-under-organic-and-conventional-production-systems-in-Seropedica-2019.pdf
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Marc: |
LEADER 00990nam a2200193 a 4500 001 2114994 005 2020-01-03 008 2019 bl uuuu u00u1 u #d 100 1 $aMATOS, C. F. 245 $aBiogas and biofertilizer production from dairy cattle manure under organic and conventional production systems in Seropedica, Rio de Janeiro (Brazil).$h[electronic resource] 260 $aIn: WORLD CONGRESS OF SOIL SCIENCE, 21., 2018, Rio de Janeiro. Soil science: beyond food and fuel: proceedings... Viçosa, MG: SBCS, 2019. v. 2, p. 150-151. WCSS 2018.$c2018 520 $aThe goal of this study was to evaluate the production of biogas potential and biofertilizer resulting from the anaerobic biodigestion of dairy cattle manure under organic and conventional production system. 650 $aAgricultural wastes 650 $aSoil pollution 650 $aBiodigestor 650 $aPoluição do Solo 650 $aResíduo Agrícola 700 1 $aPINHEIRO, E. F. M. 700 1 $aCAMPOS, D. V. B. de
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