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Registro Completo |
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
27/01/2016 |
Data da última atualização: |
03/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
VEGA, W. H. O.; QUIRINO, C. R.; SERAPIÃO, R. V.; OLIVEIRA, C. S.; PACHECO, A. |
Afiliação: |
W.H.O. Vega, UENF; C.R. Quirino, UENF; R.V. Serapião, PESAGRO - RJ; CLARA SLADE OLIVEIRA, CNPGL; A. Pacheco, UENF. |
Título: |
Phenotypic correlations between ovum pick-up in vitro production traits and pregnancy rates in Zebu cows. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Genetics and Molecular Research, v. 14, n. 3, p. 7335-7343, 2015. |
Idioma: |
Inglês |
Palavras-Chave: |
Gyr cattle; Oocyte donors; OPU-IVP. |
Thesaurus Nal: |
phenotypic correlation; repeatability. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/137868/1/Cnpgl-2015-GMR-Phenotypic.pdf
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Marc: |
LEADER 00675naa a2200217 a 4500 001 2035299 005 2024-02-03 008 2015 bl uuuu u00u1 u #d 100 1 $aVEGA, W. H. O. 245 $aPhenotypic correlations between ovum pick-up in vitro production traits and pregnancy rates in Zebu cows.$h[electronic resource] 260 $c2015 650 $aphenotypic correlation 650 $arepeatability 653 $aGyr cattle 653 $aOocyte donors 653 $aOPU-IVP 700 1 $aQUIRINO, C. R. 700 1 $aSERAPIÃO, R. V. 700 1 $aOLIVEIRA, C. S. 700 1 $aPACHECO, A. 773 $tGenetics and Molecular Research$gv. 14, n. 3, p. 7335-7343, 2015.
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
20/12/2019 |
Data da última atualização: |
20/12/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
IARK, D.; BUZZO, A. J. dos R.; GARCIA, J. A. A.; CORREA, V. G.; HELM, C. V.; CORRÊA, R. C. G.; PERALTA, R. A.; MOREIRA, R. de F. P. M.; BRACHT, A.; PERALTA, R. M. |
Afiliação: |
Daiane Iark, UEM; Ana Júlia dos Reis Buzzo, UEM; Jéssica Amanda Andrade Garcia, UEM; Vanesa Gesser Correa, UEM; CRISTIANE VIEIRA HELM, CNPF; Rúbia Carvalho Gomes Corrêa, UEM; Rosely A. Peralta, UFSC; Regina de Fátima Peralta Muniz Moreira, UFSC; Adelar Bracht, UEM; Rosane Marina Peralta, UEM. |
Título: |
Enzymatic degradation and detoxification of azo dye Congo red by a new laccase from Oudemansiella canarii. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Bioresource Technology, 289, article 121655, Oct. 2019. 7 p. |
DOI: |
10.1016/j.biortech.2019.121655 |
Idioma: |
Inglês |
Conteúdo: |
A single laccase with molecular weight of 41 kDa was produced by the white-rot fungus Oudemansiella canarii cultured on solid state fermentation using a mixture of sugarcane bagasse-wheat bran as substrate. The enzyme (5 U) was able to decolourize 80% of 50 mg/L Congo red within 24 h at 30 °C and pH 5.5. The relationship between the decolorization rate and dye concentration obeyed Michaelis?Menten kinetics, with KM and Vmax values of 46.180 ± 6.245 µM and 1.840 ± 0.101 µmol/min, respectively. Fourier transform infrared spectroscopy (FTIR) and mass spectrometry allowed to conclude that the laccase acts not only on the dye chromophore group, but also that it cleaves different covalent bonds, causing an effective fragmentation of the molecule. The action of the laccase caused a significant reduction in toxicity, as indicated by the Microtox test. In conclusion, O. canarii laccase could be useful in future biological strategies aiming at degrading azo dyes. |
Palavras-Chave: |
Biorremediação; Dye degradation; Lacase. |
Thesaurus NAL: |
Azo dyes; Laccase; White-rot fungi. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
Marc: |
LEADER 01891naa a2200313 a 4500 001 2117496 005 2019-12-20 008 2019 bl uuuu u00u1 u #d 024 7 $a10.1016/j.biortech.2019.121655$2DOI 100 1 $aIARK, D. 245 $aEnzymatic degradation and detoxification of azo dye Congo red by a new laccase from Oudemansiella canarii.$h[electronic resource] 260 $c2019 520 $aA single laccase with molecular weight of 41 kDa was produced by the white-rot fungus Oudemansiella canarii cultured on solid state fermentation using a mixture of sugarcane bagasse-wheat bran as substrate. The enzyme (5 U) was able to decolourize 80% of 50 mg/L Congo red within 24 h at 30 °C and pH 5.5. The relationship between the decolorization rate and dye concentration obeyed Michaelis?Menten kinetics, with KM and Vmax values of 46.180 ± 6.245 µM and 1.840 ± 0.101 µmol/min, respectively. Fourier transform infrared spectroscopy (FTIR) and mass spectrometry allowed to conclude that the laccase acts not only on the dye chromophore group, but also that it cleaves different covalent bonds, causing an effective fragmentation of the molecule. The action of the laccase caused a significant reduction in toxicity, as indicated by the Microtox test. In conclusion, O. canarii laccase could be useful in future biological strategies aiming at degrading azo dyes. 650 $aAzo dyes 650 $aLaccase 650 $aWhite-rot fungi 653 $aBiorremediação 653 $aDye degradation 653 $aLacase 700 1 $aBUZZO, A. J. dos R. 700 1 $aGARCIA, J. A. A. 700 1 $aCORREA, V. G. 700 1 $aHELM, C. V. 700 1 $aCORRÊA, R. C. G. 700 1 $aPERALTA, R. A. 700 1 $aMOREIRA, R. de F. P. M. 700 1 $aBRACHT, A. 700 1 $aPERALTA, R. M. 773 $tBioresource Technology, 289, article 121655, Oct. 2019. 7 p.
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