Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae)
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/0102-33062017abb0174 http://hdl.handle.net/11449/163745 |
Resumo: | Water deficit is most frequent in forest physiognomies subjected to climate change. As a consequence, several tree species alter tissue water potential, gas exchange and production of carbon compounds to overcome damage caused by water deficiency. The working hypothesis, that a reduction in gas exchange by plants experiencing water deficit will affect the composition of carbon compounds in soluble sugars, lipids and vegetative structures, was tested on Copaifera langsdorffii. Stomatal conductance, leaf water potential, and CO2 assimilation rate declined after a period of water deficit. After rehydration, leaf water potential and leaf gas exchange did not recover completely. Water deficit resulted in C-13 enrichment in leaves, soluble sugars and root lipids. Furthermore, the amount of soluble sugars and root lipids decreased after water deficit. In rehydration, the carbon isotopic composition and amount of root lipids returned to levels similar to the control. Under water deficit, C-13-enriched in root lipids assists in the adjustment of cellular membrane turgidity and avoids damage to the process of water absorption by roots. These physiological adjustments permit a better understanding of the responses of Copaifera langsdorffi to water deficit. |
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Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae)carbon assimilationcarbon isotopic compositionlipidssoluble sugarswater deficitWater deficit is most frequent in forest physiognomies subjected to climate change. As a consequence, several tree species alter tissue water potential, gas exchange and production of carbon compounds to overcome damage caused by water deficiency. The working hypothesis, that a reduction in gas exchange by plants experiencing water deficit will affect the composition of carbon compounds in soluble sugars, lipids and vegetative structures, was tested on Copaifera langsdorffii. Stomatal conductance, leaf water potential, and CO2 assimilation rate declined after a period of water deficit. After rehydration, leaf water potential and leaf gas exchange did not recover completely. Water deficit resulted in C-13 enrichment in leaves, soluble sugars and root lipids. Furthermore, the amount of soluble sugars and root lipids decreased after water deficit. In rehydration, the carbon isotopic composition and amount of root lipids returned to levels similar to the control. Under water deficit, C-13-enriched in root lipids assists in the adjustment of cellular membrane turgidity and avoids damage to the process of water absorption by roots. These physiological adjustments permit a better understanding of the responses of Copaifera langsdorffi to water deficit.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Univ Estadual Paulista, Inst Biociencias Botucatu, Dept Bot, POB 510, BR-18618970 Botucatu, SP, BrazilUniv Estadual Paulista, Inst Biociencias Botucatu, Dept Fis & Biofis, POB 510, BR-18618970 Botucatu, SP, BrazilUniv Estadual Paulista, Ctr Isotopos Estaveis, Inst Biociencias Botucatu, POB 510, BR-18618970 Botucatu, SP, BrazilUniv Estadual Paulista, Inst Biociencias Botucatu, Dept Bot, POB 510, BR-18618970 Botucatu, SP, BrazilUniv Estadual Paulista, Inst Biociencias Botucatu, Dept Fis & Biofis, POB 510, BR-18618970 Botucatu, SP, BrazilUniv Estadual Paulista, Ctr Isotopos Estaveis, Inst Biociencias Botucatu, POB 510, BR-18618970 Botucatu, SP, BrazilSoc Botanica BrasilUniversidade Estadual Paulista (Unesp)Silva Bertholdi, Angelo Albano da [UNESP]Costa, Vladimir Eliodoro [UNESP]Rodrigues, Angelica Lino [UNESP]Rolim de Almeida, Luiz Fernando [UNESP]2018-11-26T17:44:47Z2018-11-26T17:44:47Z2018-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article80-87application/pdfhttp://dx.doi.org/10.1590/0102-33062017abb0174Acta Botanica Brasilica. Sao Paulo Sp: Soc Botanica Brasil, v. 32, n. 1, p. 80-87, 2018.0102-3306http://hdl.handle.net/11449/16374510.1590/0102-33062017abb0174S0102-33062018000100080WOS:000422933500010S0102-33062018000100080.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengActa Botanica Brasilica0,325info:eu-repo/semantics/openAccess2024-01-14T06:25:44Zoai:repositorio.unesp.br:11449/163745Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-01-14T06:25:44Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae) |
title |
Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae) |
spellingShingle |
Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae) Silva Bertholdi, Angelo Albano da [UNESP] carbon assimilation carbon isotopic composition lipids soluble sugars water deficit |
title_short |
Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae) |
title_full |
Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae) |
title_fullStr |
Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae) |
title_full_unstemmed |
Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae) |
title_sort |
Water deficit modifies the carbon isotopic composition of lipids, soluble sugars and leaves of Copaifera langsdorffii Desf. (Fabaceae) |
author |
Silva Bertholdi, Angelo Albano da [UNESP] |
author_facet |
Silva Bertholdi, Angelo Albano da [UNESP] Costa, Vladimir Eliodoro [UNESP] Rodrigues, Angelica Lino [UNESP] Rolim de Almeida, Luiz Fernando [UNESP] |
author_role |
author |
author2 |
Costa, Vladimir Eliodoro [UNESP] Rodrigues, Angelica Lino [UNESP] Rolim de Almeida, Luiz Fernando [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Silva Bertholdi, Angelo Albano da [UNESP] Costa, Vladimir Eliodoro [UNESP] Rodrigues, Angelica Lino [UNESP] Rolim de Almeida, Luiz Fernando [UNESP] |
dc.subject.por.fl_str_mv |
carbon assimilation carbon isotopic composition lipids soluble sugars water deficit |
topic |
carbon assimilation carbon isotopic composition lipids soluble sugars water deficit |
description |
Water deficit is most frequent in forest physiognomies subjected to climate change. As a consequence, several tree species alter tissue water potential, gas exchange and production of carbon compounds to overcome damage caused by water deficiency. The working hypothesis, that a reduction in gas exchange by plants experiencing water deficit will affect the composition of carbon compounds in soluble sugars, lipids and vegetative structures, was tested on Copaifera langsdorffii. Stomatal conductance, leaf water potential, and CO2 assimilation rate declined after a period of water deficit. After rehydration, leaf water potential and leaf gas exchange did not recover completely. Water deficit resulted in C-13 enrichment in leaves, soluble sugars and root lipids. Furthermore, the amount of soluble sugars and root lipids decreased after water deficit. In rehydration, the carbon isotopic composition and amount of root lipids returned to levels similar to the control. Under water deficit, C-13-enriched in root lipids assists in the adjustment of cellular membrane turgidity and avoids damage to the process of water absorption by roots. These physiological adjustments permit a better understanding of the responses of Copaifera langsdorffi to water deficit. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-11-26T17:44:47Z 2018-11-26T17:44:47Z 2018-01-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1590/0102-33062017abb0174 Acta Botanica Brasilica. Sao Paulo Sp: Soc Botanica Brasil, v. 32, n. 1, p. 80-87, 2018. 0102-3306 http://hdl.handle.net/11449/163745 10.1590/0102-33062017abb0174 S0102-33062018000100080 WOS:000422933500010 S0102-33062018000100080.pdf |
url |
http://dx.doi.org/10.1590/0102-33062017abb0174 http://hdl.handle.net/11449/163745 |
identifier_str_mv |
Acta Botanica Brasilica. Sao Paulo Sp: Soc Botanica Brasil, v. 32, n. 1, p. 80-87, 2018. 0102-3306 10.1590/0102-33062017abb0174 S0102-33062018000100080 WOS:000422933500010 S0102-33062018000100080.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Acta Botanica Brasilica 0,325 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
80-87 application/pdf |
dc.publisher.none.fl_str_mv |
Soc Botanica Brasil |
publisher.none.fl_str_mv |
Soc Botanica Brasil |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1799965618287411200 |