Occurrence of Harmful Cyanobacteria in Drinking Water from a Severely Drought-Impacted Semi-arid Region

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dc.contributorLaboratório Especial de Toxinologia Aplicada (LETA)pt_BR
dc.contributor.authorWalter, Juline M.pt_BR
dc.contributor.authorLopes, Fabyano A. C.pt_BR
dc.contributor.authorLopes-Ferreira, Monicapt_BR
dc.contributor.authorVidal, Livia M.pt_BR
dc.contributor.authorLeomil, Lucianapt_BR
dc.contributor.authorMelo, Fabianapt_BR
dc.contributor.authorde Azevedo, Girlene S.pt_BR
dc.contributor.authorOliveira, Rossandra M. S.pt_BR
dc.contributor.authorMedeiros, Alba J.pt_BR
dc.contributor.authorMelo, Adriana S. O.pt_BR
dc.contributor.authorDe Rezende, Carlos E.pt_BR
dc.contributor.authorTanuri, Amilcarpt_BR
dc.contributor.authorThompson, Fabiano L.pt_BR
dc.date.accessioned2020-07-09T21:19:25Z-
dc.date.available2020-07-09T21:19:25Z-
dc.date.issued2018-
dc.identifier.citationWalter JM., Lopes FA.C., Lopes-Ferreira M, Vidal LM., Leomil L, Melo F, et al. Occurrence of Harmful Cyanobacteria in Drinking Water from a Severely Drought-Impacted Semi-arid Region. Front. Microbiol.. 2018 Feb;9:176. doi:10.3389/fmicb.2018.00176.pt_BR
dc.identifier.issn1664-302X-
dc.identifier.urihttps://repositorio.butantan.gov.br/handle/butantan/2418-
dc.description.abstractHarmful cyanobacterial blooms have become increasingly common in freshwater ecosystems in recent decades, mainly due to eutrophication and climate change. Water becomes unreliable for human consumption. Here, we report a comprehensive study carried out to investigate the water quality of several Campina Grande reservoirs. Our approach included metagenomics, microbial abundance quantification, ELISA test for three cyanotoxins (microcystin, nodularins, and cylindrospermopsin), and in vivo ecotoxicological tests with zebrafish embryos. Cytometry analysis showed high cyanobacterial abundance, while metagenomics identified an average of 10.6% of cyanobacterial sequences, and demonstrated the presence of Microcystis, Cylindrospermopsis, and toxin coding genes in all ponds. Zebrafish embryos reared with pond water had high mortality and diverse malformations. Among the ponds analyzed, Aracagi showed the highest lethality (an average of 62.9 +/- 0.8%), followed by Boqueirao (lethality average of 62.5 +/- 0.8%). Here, we demonstrate that water from ponds undergoing extremely drought conditions have an abundance of potentially harmful cyanobacteria and their toxins. Our findings are consistent with a scenario in which polluted drinking water poses a great risk to human health.pt_BR
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)pt_BR
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)pt_BR
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)pt_BR
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)pt_BR
dc.format.extent176pt_BR
dc.languageengpt_BR
dc.publisherFrontiers Media SApt_BR
dc.relation.ispartofFrontiers in Microbiologypt_BR
dc.rightsOpen Accesspt_BR
dc.titleOccurrence of Harmful Cyanobacteria in Drinking Water from a Severely Drought-Impacted Semi-arid Regionpt_BR
dc.typeArticlept_BR
dc.identifier.doi10.3389/fmicb.2018.00176pt_BR
dc.identifier.urlhttp://dx.doi.org/10.3389/fmicb.2018.00176pt_BR
dc.contributor.externalUniversidade Federal do Rio de Janeiro (UFRJ)¦¦Brasilpt_BR
dc.contributor.externalInstituto de Pesquisa Professor Joaquim Amorim Neto (IPESQ)¦¦Brasilpt_BR
dc.contributor.externalUniversidade Estadual do Norte Fluminense Darcy Ribeiro (UENF)¦¦Brasilpt_BR
dc.contributor.externalSecretaria de Saúde de Campina Grande¦¦Brasilpt_BR
dc.publisher.cityLausannept_BR
dc.identifier.citationvolume9pt_BR
dc.subject.keywordcyanotoxinspt_BR
dc.subject.keywordzebrafishpt_BR
dc.subject.keywordmetagenomicspt_BR
dc.subject.keywordpublic healthypt_BR
dc.subject.keywordeutrophicationpt_BR
dc.relation.ispartofabbreviatedFront. Microbiol.pt_BR
dc.identifier.citationabntv. 9, 176, fev. 2018pt_BR
dc.identifier.citationvancouver2018 Feb;9:176pt_BR
dc.publisher.countrySwitzerlandpt_BR
dc.contributor.butantanLopes-Ferreira, Monica|:Pesquisador:Docente Permanente PPGTOX|:Laboratório Especial de Toxinologia Aplicada (LETA)|:pt_BR
dc.sponsorship.butantanConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)¦¦pt_BR
dc.sponsorship.butantanCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)¦¦pt_BR
dc.sponsorship.butantanFundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)¦¦pt_BR
dc.sponsorship.butantanFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)¦¦pt_BR
dc.identifier.bvsccBR78.1pt_BR
dc.identifier.bvsdbIBProdpt_BR
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