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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
10/04/2015 |
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Data da última atualização: |
30/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ASSIS, A. S.; CRUZ, L. T.; FERREIRA, A. S.; BESSA, M. E.; PINTO, M. A. de O.; VIEIRA, C. B.; OTENIO, M. H.; MIAGOSTOVICH, M. P.; SILVA, M. L. da R. e. |
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Afiliação: |
ANDRÊSSA S. F. ASSIS, UFJF; LUCAS T. CRUZ, UFJF; ALINE S. FERREIRA, UFJF; MARTHA E. BESSA, UFJF; MIRIAM A. de O. PINTO, UFJF; CARMEN B. VIEIRA, Instituto Oswaldo Cruz; MARCELO HENRIQUE OTENIO, CNPGL; MARIZE P. MIAGOSTOVICH, Instituto Oswaldo Cruz; MARIA LUZIA da R. e SILVA, UFJF. |
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Título: |
Relationship between viral detection and turbidity in a watershed contaminated with group A rotavirus. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Environmental Science and Pollution Research, v. 22, p. 6886-6897, 2015. |
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DOI: |
http://dx.doi.org/10.1007/s11356-014-3874-8 |
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Idioma: |
Inglês |
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Conteúdo: |
Enteric viruses are present in aquatic environments due to contamination by raw sewage, even in the absence of fecal coliforms, which are considered to be significant indicators when it comes to microbial water quality assessment. This study investigated the presence of group A rotavirus (RVA) in surface water from a river basin in Minas Gerais, Brazil, assessing the influence of the urbanization, the rainfall, and the microbiological and physico-chemical parameters regarding water quality. Forty-eight surface water samples collected in urbanized and non-urbanized areas, both in dry and rainy periods, were obtained throughout the study. The viral particles were concentrated by adsorption-elution in a negatively charged membrane. Fecal coliforms, as well as physico-chemical water parameters were determined at each point in all collections. The RVA was detected in 62.5 % (30/48) of the water samples through a real-time PCR assay. All the sequenced RVA strains belonged to genotype I1. The RVA was detected in 50.0 % (11/22) of the water samples regarded as being acceptable by current microbiological standards. The presence of the RVA and the viral load were influenced by the collection area (p < 0.05). It was also observed a significant association between the RVA and detecting the turbidity of water (p < 0.05). The collected data showed a high level of contamination in this watershed by the discharge of raw sewage, highlighting the need for urgent measures to improve water quality, ensuring the safe use of this matrix. MenosEnteric viruses are present in aquatic environments due to contamination by raw sewage, even in the absence of fecal coliforms, which are considered to be significant indicators when it comes to microbial water quality assessment. This study investigated the presence of group A rotavirus (RVA) in surface water from a river basin in Minas Gerais, Brazil, assessing the influence of the urbanization, the rainfall, and the microbiological and physico-chemical parameters regarding water quality. Forty-eight surface water samples collected in urbanized and non-urbanized areas, both in dry and rainy periods, were obtained throughout the study. The viral particles were concentrated by adsorption-elution in a negatively charged membrane. Fecal coliforms, as well as physico-chemical water parameters were determined at each point in all collections. The RVA was detected in 62.5 % (30/48) of the water samples through a real-time PCR assay. All the sequenced RVA strains belonged to genotype I1. The RVA was detected in 50.0 % (11/22) of the water samples regarded as being acceptable by current microbiological standards. The presence of the RVA and the viral load were influenced by the collection area (p < 0.05). It was also observed a significant association between the RVA and detecting the turbidity of water (p < 0.05). The collected data showed a high level of contamination in this watershed by the discharge of raw sewage, highlighting the need for urgent measures to improve water qual... Mostrar Tudo |
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Palavras-Chave: |
Fecal coliform; Physico-chemical parameters. |
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Thesagro: |
Rotavírus. |
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Thesaurus Nal: |
environmental monitoring; surface water; water quality. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02498naa a2200301 a 4500
001 2013275
005 2024-01-30
008 2015 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1007/s11356-014-3874-8$2DOI
100 1 $aASSIS, A. S.
245 $aRelationship between viral detection and turbidity in a watershed contaminated with group A rotavirus.$h[electronic resource]
260 $c2015
520 $aEnteric viruses are present in aquatic environments due to contamination by raw sewage, even in the absence of fecal coliforms, which are considered to be significant indicators when it comes to microbial water quality assessment. This study investigated the presence of group A rotavirus (RVA) in surface water from a river basin in Minas Gerais, Brazil, assessing the influence of the urbanization, the rainfall, and the microbiological and physico-chemical parameters regarding water quality. Forty-eight surface water samples collected in urbanized and non-urbanized areas, both in dry and rainy periods, were obtained throughout the study. The viral particles were concentrated by adsorption-elution in a negatively charged membrane. Fecal coliforms, as well as physico-chemical water parameters were determined at each point in all collections. The RVA was detected in 62.5 % (30/48) of the water samples through a real-time PCR assay. All the sequenced RVA strains belonged to genotype I1. The RVA was detected in 50.0 % (11/22) of the water samples regarded as being acceptable by current microbiological standards. The presence of the RVA and the viral load were influenced by the collection area (p < 0.05). It was also observed a significant association between the RVA and detecting the turbidity of water (p < 0.05). The collected data showed a high level of contamination in this watershed by the discharge of raw sewage, highlighting the need for urgent measures to improve water quality, ensuring the safe use of this matrix.
650 $aenvironmental monitoring
650 $asurface water
650 $awater quality
650 $aRotavírus
653 $aFecal coliform
653 $aPhysico-chemical parameters
700 1 $aCRUZ, L. T.
700 1 $aFERREIRA, A. S.
700 1 $aBESSA, M. E.
700 1 $aPINTO, M. A. de O.
700 1 $aVIEIRA, C. B.
700 1 $aOTENIO, M. H.
700 1 $aMIAGOSTOVICH, M. P.
700 1 $aSILVA, M. L. da R. e
773 $tEnvironmental Science and Pollution Research$gv. 22, p. 6886-6897, 2015.
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
17/06/2019 |
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Data da última atualização: |
20/08/2019 |
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Autoria: |
SPANGHERO, D. B. N.; SPANGHERO, E. C. A. de M.; PEDRON, J. dos S.; CHAGAS, E. C.; CHAVES, F. C. M.; ZANIBONI-FILHO, E. Z. |
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Afiliação: |
Diogo Bessa Neves Spanghero, Universidade Federal de Alagoas - UFAL/Laboratório de Inovação em Aquacultura; Emília Carolina Alencar de Medeiros Spanghero, Universidade Federal de Santa Catarina - UFSC/Laboratório de Biológia e Cultivo de Peixes de Água Doce; Janaína dos Santos Pedron, Universidade Federal de Santa Catarina - UFSC/Laboratório de Biológia e Cultivo de Peixes de Água Doce; EDSANDRA CAMPOS CHAGAS, CPAA; FRANCISCO CELIO MAIA CHAVES, CPAA; Evoy Zaniboni-Filho, Federal de Santa Catarina - UFSC/Laboratório de Biológia e Cultivo de Peixes de Água Doce. |
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Título: |
Peppermint essential oil as an anesthetic for and toxicity to juvenile silver catfish. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 54, e00367, 2019. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Óleo essencial de hortelã-pimenta como anestésico e sua toxicidade para juvenis de jundiá. |
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Conteúdo: |
The objective of this work was to evaluate peppermint (Mentha piperita) essential oil toxicity to and potential as an anesthetic for juvenile silver catfish (Rhamdia quelen). To determine the lethal concentration at 4 hours (LC50-4h), 210 fish (3.08±0.8 g and 7.59±0.67 cm) were exposed to 0, 20, 50, 80, 110, and 140 mg L-1 essential oil. To evaluate the anesthetic potential, nine fish were individually exposed to each oil concentration (50, 80, 110, and 140 mg L-1) used. Water quality parameters were controlled. The mortality rate and the severity and extent of the gill injuries of silver catfish juveniles at 4 hours of exposure increased with increasing peppermint essential oil concentrations, with LC50-4h estimated to be 75.06 mg L-1. The main gill injuries were: congestion of the venous sinus of the primary lamella and at the base of the secondary lamella; interlamellar hyperplasia with fusion of lamellae; epithelial detachment; dilation of the venous sinus; edema adjacent to the lamella; and aneurysm. However, this oil is an effective anesthetic for silver catfish juveniles at the concentration of 80 mg L-1, with a short time of anesthesia (<4 min) and recovery (<10 min), with no mortality. |
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Palavras-Chave: |
Brânquias; Concentração letal; Lethal concentration. |
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Thesagro: |
Anestesia; Histologia; Mentha Piperita; Rhamdia Quelen. |
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Thesaurus NAL: |
Anesthesia; Gills; Histology. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/198622/1/Peppermint-essential-oil-as-an-anesthetic.pdf
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Marc: |
LEADER 02216naa a2200313 a 4500
001 2109900
005 2019-08-20
008 2019 bl uuuu u00u1 u #d
100 1 $aSPANGHERO, D. B. N.
245 $aPeppermint essential oil as an anesthetic for and toxicity to juvenile silver catfish.$h[electronic resource]
260 $c2019
500 $aTítulo em português: Óleo essencial de hortelã-pimenta como anestésico e sua toxicidade para juvenis de jundiá.
520 $aThe objective of this work was to evaluate peppermint (Mentha piperita) essential oil toxicity to and potential as an anesthetic for juvenile silver catfish (Rhamdia quelen). To determine the lethal concentration at 4 hours (LC50-4h), 210 fish (3.08±0.8 g and 7.59±0.67 cm) were exposed to 0, 20, 50, 80, 110, and 140 mg L-1 essential oil. To evaluate the anesthetic potential, nine fish were individually exposed to each oil concentration (50, 80, 110, and 140 mg L-1) used. Water quality parameters were controlled. The mortality rate and the severity and extent of the gill injuries of silver catfish juveniles at 4 hours of exposure increased with increasing peppermint essential oil concentrations, with LC50-4h estimated to be 75.06 mg L-1. The main gill injuries were: congestion of the venous sinus of the primary lamella and at the base of the secondary lamella; interlamellar hyperplasia with fusion of lamellae; epithelial detachment; dilation of the venous sinus; edema adjacent to the lamella; and aneurysm. However, this oil is an effective anesthetic for silver catfish juveniles at the concentration of 80 mg L-1, with a short time of anesthesia (<4 min) and recovery (<10 min), with no mortality.
650 $aAnesthesia
650 $aGills
650 $aHistology
650 $aAnestesia
650 $aHistologia
650 $aMentha Piperita
650 $aRhamdia Quelen
653 $aBrânquias
653 $aConcentração letal
653 $aLethal concentration
700 1 $aSPANGHERO, E. C. A. de M.
700 1 $aPEDRON, J. dos S.
700 1 $aCHAGAS, E. C.
700 1 $aCHAVES, F. C. M.
700 1 $aZANIBONI-FILHO, E. Z.
773 $tPesquisa Agropecuária Brasileira$gv. 54, e00367, 2019.
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