Microcystins: contamination risks in eutrophic waters
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Acta scientiarum. Technology (Online) |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/3010 |
Resumo: | Population growth allied with the modernization of society has increased water consumption and transformed reservoirs into indispensable sources of water supply. Several interrelated factors, conspicuously microcystins, have contributed to aggravate the risk of water deterioration. These hepatotoxins, produced by cyanobacteria of the Anabaena, Microcystis, Nostoc and Oscillatoria geni, consist of heptapeptides with monocyclic structures. The risk of constant ingestion is due to their powerful tumor promoter effect. The microcystin production is favored by environmental factors, such as high concentration of nutrients and light, inevitable in the current ecosystem. The eutrophycation of water occurs in an accelerated rhythm due to industrial pollution coupled to domestic and agricultural waste. The aim of this paper is to develop community awareness, as well as to arouse an interest in microcystins and other risk factors of contamination so that preventive measures to minimize water deterioration could be established. |
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Microcystins: contamination risks in eutrophic watersMicrocistinas: risco de contaminação em águas eutróficasmicrocistinascianobactériaproduçãoatividade tóxicadetoxicação3.06.00.00-6 Engenharia QuímicaPopulation growth allied with the modernization of society has increased water consumption and transformed reservoirs into indispensable sources of water supply. Several interrelated factors, conspicuously microcystins, have contributed to aggravate the risk of water deterioration. These hepatotoxins, produced by cyanobacteria of the Anabaena, Microcystis, Nostoc and Oscillatoria geni, consist of heptapeptides with monocyclic structures. The risk of constant ingestion is due to their powerful tumor promoter effect. The microcystin production is favored by environmental factors, such as high concentration of nutrients and light, inevitable in the current ecosystem. The eutrophycation of water occurs in an accelerated rhythm due to industrial pollution coupled to domestic and agricultural waste. The aim of this paper is to develop community awareness, as well as to arouse an interest in microcystins and other risk factors of contamination so that preventive measures to minimize water deterioration could be established.O aumento populacional, aliado à modernização da sociedade, incrementou o consumo de água, tornando o represamento recurso imprescindível para atender à demanda. Inúmeros fatores inter-relacionados contribuem para agravar o risco da deterioração da água, dentre os quais se destacam as microcistinas. Estas hepatotoxinas, produzidas por cianobactérias dos gêneros Anabaena, Microcystis, Nostoc e Oscillatorias, consistem de heptapeptídio de estrutura monocíclica cujo risco iminente da constante ingestão se deve ao efeito de potente promotor de tumor. A produção de microcistinas é favorecida por fatores ambientais onde existe elevada concentração de nutrientes e luminosidade, fatores estes que se tornaram inevitáveis no atual ecossistema. A crescente eutroficação de água ocorre em ritmo acelerado, decorrente da poluição pela industrialização, lixo doméstico, práticas agrícolas, além da espoliação de recursos naturais. Com a finalidade de alertar a comunidade e despertar seu interesse, este trabalho discorre sobre microcistinas e fatores de risco - perspectivas de sua contaminação, objetivando ainda estabelecer medidas preventivas que minimizem a deterioração das águas.Universidade Estadual De Maringá2008-05-13info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/301010.4025/actascitechnol.v22i0.3010Acta Scientiarum. Technology; Vol 22 (2000); 1189-1200Acta Scientiarum. Technology; v. 22 (2000); 1189-12001806-25631807-8664reponame:Acta scientiarum. Technology (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/3010/2207Kamogae, MarciaHirooka, Elisa Yokoinfo:eu-repo/semantics/openAccess2024-05-17T13:02:52Zoai:periodicos.uem.br/ojs:article/3010Revistahttps://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/indexPUBhttps://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/oai||actatech@uem.br1807-86641806-2563opendoar:2024-05-17T13:02:52Acta scientiarum. Technology (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Microcystins: contamination risks in eutrophic waters Microcistinas: risco de contaminação em águas eutróficas |
title |
Microcystins: contamination risks in eutrophic waters |
spellingShingle |
Microcystins: contamination risks in eutrophic waters Kamogae, Marcia microcistinas cianobactéria produção atividade tóxica detoxicação 3.06.00.00-6 Engenharia Química |
title_short |
Microcystins: contamination risks in eutrophic waters |
title_full |
Microcystins: contamination risks in eutrophic waters |
title_fullStr |
Microcystins: contamination risks in eutrophic waters |
title_full_unstemmed |
Microcystins: contamination risks in eutrophic waters |
title_sort |
Microcystins: contamination risks in eutrophic waters |
author |
Kamogae, Marcia |
author_facet |
Kamogae, Marcia Hirooka, Elisa Yoko |
author_role |
author |
author2 |
Hirooka, Elisa Yoko |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Kamogae, Marcia Hirooka, Elisa Yoko |
dc.subject.por.fl_str_mv |
microcistinas cianobactéria produção atividade tóxica detoxicação 3.06.00.00-6 Engenharia Química |
topic |
microcistinas cianobactéria produção atividade tóxica detoxicação 3.06.00.00-6 Engenharia Química |
description |
Population growth allied with the modernization of society has increased water consumption and transformed reservoirs into indispensable sources of water supply. Several interrelated factors, conspicuously microcystins, have contributed to aggravate the risk of water deterioration. These hepatotoxins, produced by cyanobacteria of the Anabaena, Microcystis, Nostoc and Oscillatoria geni, consist of heptapeptides with monocyclic structures. The risk of constant ingestion is due to their powerful tumor promoter effect. The microcystin production is favored by environmental factors, such as high concentration of nutrients and light, inevitable in the current ecosystem. The eutrophycation of water occurs in an accelerated rhythm due to industrial pollution coupled to domestic and agricultural waste. The aim of this paper is to develop community awareness, as well as to arouse an interest in microcystins and other risk factors of contamination so that preventive measures to minimize water deterioration could be established. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-05-13 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/3010 10.4025/actascitechnol.v22i0.3010 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/3010 |
identifier_str_mv |
10.4025/actascitechnol.v22i0.3010 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/3010/2207 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Technology; Vol 22 (2000); 1189-1200 Acta Scientiarum. Technology; v. 22 (2000); 1189-1200 1806-2563 1807-8664 reponame:Acta scientiarum. Technology (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta scientiarum. Technology (Online) |
collection |
Acta scientiarum. Technology (Online) |
repository.name.fl_str_mv |
Acta scientiarum. Technology (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
||actatech@uem.br |
_version_ |
1799315332549050368 |