Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/337425
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dc.contributor.CRUESPUNIVERSIDADE ESTADUAL DE CAMPINASpt_BR
dc.contributor.authorunicampAlves, Leonardo Cardoso-
dc.contributor.authorunicampPortilla Llerena, Juan Pablo-
dc.contributor.authorunicampMazzafera, Paulo-
dc.contributor.authorunicampVicentini, Renato-
dc.typeArtigopt_BR
dc.titleDiel oscillations in cell wall components and soluble sugars as a response to short-day in sugarcane (Saccharum sp.)pt_BR
dc.contributor.authorAlves, Leonardo Cardoso-
dc.contributor.authorPortilla Llerena, Juan Pablo-
dc.contributor.authorMazzafera, Paulo-
dc.contributor.authorVicentini, Renato-
dc.subjectCana-de-açucarpt_BR
dc.subject.otherlanguageSugarcanept_BR
dc.description.abstractSugarcane is a tropical crop that can accumulate high concentration of sucrose in the stem as a storage carbohydrate. For that reason, sugarcane accounts for approximately 75% of all the sugar produced in the world and has become the main sugar source to produce first-generation bioethanol in Brazil. Daily rhythms cause plants to adapt and coordinate their metabolism to achieve maximum photosynthesis and carbohydrate production throughout the day. Circadian rhythms arise from the interaction of an internal oscillator and external stimuli, whereas diel rhythms occur in response to a light-dark cycle. Diel signalling contributes to synchronizing circadian rhythms to photoperiods, and levels of carbohydrates oscillate in a diel fashion. Under regular photoperiods, they are synthesized during the daytime and consumed throughout the night as an energy reserve. However, short days can induce higher rates of synthesis during daytime and lower rates of consumption in the dark. Cell wall carbohydrates are also diurnally regulated, and it has been shown that celluloses, hemicelluloses and pectin are deposited/degraded at different times of the day. To assess the diel carbohydrate profile in young sugarcane plants, we measured soluble sugars and cell wall components along a time course in plants subjected either to a regular day or short day.ResultsShort-day influenced sucrose synthesis and cell wall components. In short-day a 44% increase in sucrose concentration was detected in the dark, but was stable during the day. Cellulose, hemicellulose and pectin also fluctuate within a 24h interval when subjected to a short day. A 38% increase in leaf sheath cellulose was observed from the middle of the day to the first hour of the night. Leaf sheath pectin and hemicellulose also increased from the day to the night, while it decreased in leaves.ConclusionsThe presented data show diurnal patterns of soluble sugar metabolism together with temporal regulation of cell wall metabolism for a short day, suggesting that diel signalling has a role in how sugarcane manages sugar accumulation and partitioning. Understanding cell wall synthesis/degradation dynamics may help to improve the yield of sugarcanept_BR
dc.relation.ispartofBMC plant biologypt_BR
dc.publisher.cityLondonpt_BR
dc.publisher.countryReino Unidopt_BR
dc.publisherSpringer Naturept_BR
dc.date.issued2019-
dc.date.monthofcirculationMaypt_BR
dc.language.isoengpt_BR
dc.description.volume19pt_BR
dc.rightsAbertopt_BR
dc.sourceWOSpt_BR
dc.identifier.eissn1471-2229pt_BR
dc.identifier.doi10.1186/s12870-019-1837-4pt_BR
dc.identifier.urlhttps://bmcplantbiol.biomedcentral.com/articles/10.1186/s12870-019-1837-4pt_BR
dc.description.sponsorshipCONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO - CNPQpt_BR
dc.description.sponsorshipCOORDENAÇÃO DE APERFEIÇOAMENTO DE PESSOAL DE NÍVEL SUPERIOR - CAPESpt_BR
dc.description.sponsorshipFUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULO - FAPESPpt_BR
dc.description.sponsordocumentnumber140976/2013–2pt_BR
dc.description.sponsordocumentnumbersem informaçãopt_BR
dc.description.sponsordocumentnumber08/58031–0pt_BR
dc.date.available2020-03-25T23:54:19Z-
dc.date.accessioned2020-03-25T23:54:19Z-
dc.description.provenanceSubmitted by Sanches Olivia (olivias@unicamp.br) on 2020-03-25T23:54:19Z No. of bitstreams: 0en
dc.description.provenanceMade available in DSpace on 2020-03-25T23:54:19Z (GMT). No. of bitstreams: 0 Previous issue date: 2019en
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/337425-
dc.contributor.departmentsem informaçãopt_BR
dc.contributor.departmentsem informaçãopt_BR
dc.contributor.departmentDepartamento de Biologia Vegetalpt_BR
dc.contributor.departmentsem informaçãopt_BR
dc.contributor.unidadeInstituto de Biologiapt_BR
dc.contributor.unidadeInstituto de Biologiapt_BR
dc.contributor.unidadeInstituto de Biologiapt_BR
dc.contributor.unidadeCentro de Biologia Molecular e Engenharia Genéticapt_BR
dc.subject.keywordDielpt_BR
dc.subject.keywordSoluble sugarspt_BR
dc.subject.keywordCell wallpt_BR
dc.subject.keywordPhotoperiodpt_BR
dc.subject.keywordShort-daypt_BR
dc.identifier.source000468909000003pt_BR
dc.creator.orcid0000-0003-2078-7034pt_BR
dc.creator.orcidsem informaçãopt_BR
dc.creator.orcid0000-0001-9073-4056pt_BR
dc.creator.orcid0000-0002-0527-1083pt_BR
dc.type.formArtigo de pesquisapt_BR
dc.identifier.articleid215pt_BR
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