dc.creatorOLIVEIRA, Ricardo Pinheiro de Souza
dc.creatorTORRES, Beatriz Rivas
dc.creatorZILLI, Mario
dc.creatorMARQUES, Daniela de Araujo Viana
dc.creatorBASSO, Luiz Carlos
dc.creatorCONVERTI, Attilio
dc.date.accessioned2012-10-19T02:21:38Z
dc.date.accessioned2018-07-04T14:52:40Z
dc.date.available2012-10-19T02:21:38Z
dc.date.available2018-07-04T14:52:40Z
dc.date.created2012-10-19T02:21:38Z
dc.date.issued2009
dc.identifierARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY, v.57, n.3, p.488-494, 2009
dc.identifier0090-4341
dc.identifierhttp://producao.usp.br/handle/BDPI/18896
dc.identifier10.1007/s00244-009-9287-x
dc.identifierhttp://dx.doi.org/10.1007/s00244-009-9287-x
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1615687
dc.description.abstractOwing to its toxicity, aluminum (Al), which is one of the most abundant metals, inhibits the productivity of many cultures and affects the microbial metabolism. The aim of this work was to investigate the capacity of sugar cane vinasse to mitigate the adverse effects of Al on cell growth, viability, and budding, as the likely result of possible chelating action. For this purpose, Fleischmann`s yeast (Saccharomyces cerevisiae) was used in growth tests performed in 125-mL Erlenmeyer flasks containing 30 mL of YED medium (5.0 g/L yeast extract plus 20 g/L glucose) supplemented with the selected amounts of either vinasse or Al in the form of AlCl(3) center dot A H(2)O. Without vinasse, the addition of increasing levels of Al up to 54 mg/L reduced the specific growth rate by 18%, whereas no significant reduction was observed in its presence. The toxic effect of Al on S. cerevisiae growth and the mitigating effect of sugar cane vinasse were quantified by the exponential model of Ciftci et al. (Biotechnol Bioeng 25:2007-2023, 1983). The cell viability decreased from 97.7% at the start to 84.0% at the end of runs without vinasse and to 92.3% with vinasse. On the other hand, the cell budding increased from 7.62% at the start to 8.84% at the end of runs without vinasse and to 17.8% with vinasse. These results demonstrate the ability of this raw material to stimulate cell growth and mitigate the toxic effect of Al.
dc.languageeng
dc.publisherSPRINGER
dc.relationArchives of Environmental Contamination and Toxicology
dc.rightsCopyright SPRINGER
dc.rightsrestrictedAccess
dc.titleUse of Sugar Cane Vinasse to Mitigate Aluminum Toxicity to Saccharomyces cerevisiae
dc.typeArtículos de revistas


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