LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitrans

Detalhes bibliográficos
Autor(a) principal: Nogueira, Daniela Almeida
Data de Publicação: 2021
Outros Autores: Ribeiro, Natália Torres, da Silveira, Juliane Machado, Vidal, Évelin Mendes, Burkert, Carlos André Veiga
Tipo de documento: Artigo
Idioma: por
Título da fonte: Vetor (Online)
Texto Completo: https://periodicos.furg.br/vetor/article/view/7590
Resumo: The aim of this work was to study the effect of photoperiod regimes in the metabolism of the diatom Chaetoceros calcitrans in relation to biomass production and lipid accumulation. The experiments were performed in an incubator with photoperiod, illuminance of 3,000 lx, aeration of 0.2 L min-1 and temperature of 30ºC, testing the regimes12L:12D h and 24L:0D h (L = Light; D = Dark). The results were submitted to analysis of variance (ANOVA) and t-test at 95% confidence level (p≤0.05). The photoperiod regime 24L:0D h provided higher lipid accumulation (13.5%), maximum biomass concentration (0.54 g L-1) and maximum productivity (0.07 g L-1 day-1), in comparison with the regime 12L:12D h, that presented significantly lower values of lipid content (6.0%), maximum biomass concentration ( 0.22 g L –1) and maximum productivity (0.02 g L-1 day-1), indicating that the time of exposure to luminosity affects the metabolism of this microorganism.
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spelling LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitransPRODUÇÃO DE LIPÍDIOS EM DIFERENTES TEMPOS DE EXPOSIÇÃO À LUZ NO CULTIVO AUTOTRÓFICO DE Chaetoceros calcitransMicroalgasFotoperíodoLipídios microbianosDiatomáceasMicroalgaePHOTOPERIODMICROBIAL LIPIDSDIATOMSThe aim of this work was to study the effect of photoperiod regimes in the metabolism of the diatom Chaetoceros calcitrans in relation to biomass production and lipid accumulation. The experiments were performed in an incubator with photoperiod, illuminance of 3,000 lx, aeration of 0.2 L min-1 and temperature of 30ºC, testing the regimes12L:12D h and 24L:0D h (L = Light; D = Dark). The results were submitted to analysis of variance (ANOVA) and t-test at 95% confidence level (p≤0.05). The photoperiod regime 24L:0D h provided higher lipid accumulation (13.5%), maximum biomass concentration (0.54 g L-1) and maximum productivity (0.07 g L-1 day-1), in comparison with the regime 12L:12D h, that presented significantly lower values of lipid content (6.0%), maximum biomass concentration ( 0.22 g L –1) and maximum productivity (0.02 g L-1 day-1), indicating that the time of exposure to luminosity affects the metabolism of this microorganism.O objetivo do trabalho foi estudar o efeito dos ciclos de fotoperíodo no metabolismo da diatomácea Chaetoceros calcitrans em termos de produção de biomassa e acúmulo de lipídios. Os experimentos foram conduzidos em estufa com fotoperíodo, iluminância de 3000 lx, aeração de 0,2 L min-1 e temperatura de 30ºC, sendo testados os ciclos de 12C:12E h e 24C:0E h (C = Claro; E = Escuro). Os resultados foram submetidos à análise de variância (ANOVA) e teste t a 95% de confiança (p≤0,05). O ciclo de fotoperíodo 24C:0E h proporcionou maior acúmulo de lipídios (13,5%), biomassa máxima (0,54 g L-1) e produtividade máxima (0,07 g L-1 dia-1), em comparação como ciclo de 12C:12E h, que apresentou valores significativamente menores de conteúdo lipídico (6,0%), biomassa máxima (0,22 g L-1) e produtividade máxima (0,02 g L-1 dia-1), indicando que o tempo de exposição à luminosidade afeta o metabolismo deste micro-organismo.Universidade Federal do Rio Grande2021-10-20info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.furg.br/vetor/article/view/7590VETOR - Journal of Exact Sciences and Engineering; Vol. 29 No. 1-2 (2019); 1-9VETOR - Revista de Ciências Exatas e Engenharias; v. 29 n. 1-2 (2019); 1-92358-34520102-7352reponame:Vetor (Online)instname:Universidade Federal do Rio Grande (FURG)instacron:FURGporhttps://periodicos.furg.br/vetor/article/view/7590/9043Copyright (c) 2021 VETOR - Revista de Ciências Exatas e Engenhariasinfo:eu-repo/semantics/openAccessNogueira, Daniela AlmeidaRibeiro, Natália Torresda Silveira, Juliane MachadoVidal, Évelin MendesBurkert, Carlos André Veiga2021-10-20T21:11:51Zoai:periodicos.furg.br:article/7590Revistahttps://periodicos.furg.br/vetorPUBhttps://periodicos.furg.br/vetor/oaigmplatt@furg.br2358-34520102-7352opendoar:2021-10-20T21:11:51Vetor (Online) - Universidade Federal do Rio Grande (FURG)false
dc.title.none.fl_str_mv LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitrans
PRODUÇÃO DE LIPÍDIOS EM DIFERENTES TEMPOS DE EXPOSIÇÃO À LUZ NO CULTIVO AUTOTRÓFICO DE Chaetoceros calcitrans
title LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitrans
spellingShingle LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitrans
Nogueira, Daniela Almeida
Microalgas
Fotoperíodo
Lipídios microbianos
Diatomáceas
Microalgae
PHOTOPERIOD
MICROBIAL LIPIDS
DIATOMS
title_short LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitrans
title_full LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitrans
title_fullStr LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitrans
title_full_unstemmed LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitrans
title_sort LIPID PRODUCTION AT DIFFERENT LIGHT EXPOSURE TIMES IN AUTOTROPHIC CULTIVATION OF Chaetoceros calcitrans
author Nogueira, Daniela Almeida
author_facet Nogueira, Daniela Almeida
Ribeiro, Natália Torres
da Silveira, Juliane Machado
Vidal, Évelin Mendes
Burkert, Carlos André Veiga
author_role author
author2 Ribeiro, Natália Torres
da Silveira, Juliane Machado
Vidal, Évelin Mendes
Burkert, Carlos André Veiga
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Nogueira, Daniela Almeida
Ribeiro, Natália Torres
da Silveira, Juliane Machado
Vidal, Évelin Mendes
Burkert, Carlos André Veiga
dc.subject.por.fl_str_mv Microalgas
Fotoperíodo
Lipídios microbianos
Diatomáceas
Microalgae
PHOTOPERIOD
MICROBIAL LIPIDS
DIATOMS
topic Microalgas
Fotoperíodo
Lipídios microbianos
Diatomáceas
Microalgae
PHOTOPERIOD
MICROBIAL LIPIDS
DIATOMS
description The aim of this work was to study the effect of photoperiod regimes in the metabolism of the diatom Chaetoceros calcitrans in relation to biomass production and lipid accumulation. The experiments were performed in an incubator with photoperiod, illuminance of 3,000 lx, aeration of 0.2 L min-1 and temperature of 30ºC, testing the regimes12L:12D h and 24L:0D h (L = Light; D = Dark). The results were submitted to analysis of variance (ANOVA) and t-test at 95% confidence level (p≤0.05). The photoperiod regime 24L:0D h provided higher lipid accumulation (13.5%), maximum biomass concentration (0.54 g L-1) and maximum productivity (0.07 g L-1 day-1), in comparison with the regime 12L:12D h, that presented significantly lower values of lipid content (6.0%), maximum biomass concentration ( 0.22 g L –1) and maximum productivity (0.02 g L-1 day-1), indicating that the time of exposure to luminosity affects the metabolism of this microorganism.
publishDate 2021
dc.date.none.fl_str_mv 2021-10-20
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 https://periodicos.furg.br/vetor/article/view/7590
url https://periodicos.furg.br/vetor/article/view/7590
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://periodicos.furg.br/vetor/article/view/7590/9043
dc.rights.driver.fl_str_mv Copyright (c) 2021 VETOR - Revista de Ciências Exatas e Engenharias
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2021 VETOR - Revista de Ciências Exatas e Engenharias
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal do Rio Grande
publisher.none.fl_str_mv Universidade Federal do Rio Grande
dc.source.none.fl_str_mv VETOR - Journal of Exact Sciences and Engineering; Vol. 29 No. 1-2 (2019); 1-9
VETOR - Revista de Ciências Exatas e Engenharias; v. 29 n. 1-2 (2019); 1-9
2358-3452
0102-7352
reponame:Vetor (Online)
instname:Universidade Federal do Rio Grande (FURG)
instacron:FURG
instname_str Universidade Federal do Rio Grande (FURG)
instacron_str FURG
institution FURG
reponame_str Vetor (Online)
collection Vetor (Online)
repository.name.fl_str_mv Vetor (Online) - Universidade Federal do Rio Grande (FURG)
repository.mail.fl_str_mv gmplatt@furg.br
_version_ 1797041761763196928

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