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dc.contributor.author
Almeida de Souza, Juliana Beatriz
dc.contributor.author
Asis, Ramón
dc.contributor.author
Molineri, Virginia Noel
dc.contributor.author
Sestari, Ivan
dc.contributor.author
Lira, Bruno Silvestre
dc.contributor.author
Carrari, Fernando Oscar
dc.contributor.author
Pereira Peres, Lázaro Eustáquio
dc.contributor.author
Rossi, Magdalena
dc.date.available
2023-08-08T12:33:24Z
dc.date.issued
2015-03
dc.identifier.citation
Almeida de Souza, Juliana Beatriz; Asis, Ramón; Molineri, Virginia Noel; Sestari, Ivan; Lira, Bruno Silvestre; et al.; Fruits from ripening impaired, chlorophyll degraded and jasmonate insensitive tomato mutants have altered tocopherol content and composition; Pergamon-Elsevier Science Ltd; Phytochemistry; 111; 3-2015; 72-83
dc.identifier.issn
0031-9422
dc.identifier.uri
http://hdl.handle.net/11336/207304
dc.description.abstract
Since isoprenoids are precursors in chlorophyll, carotenoid and tocopherol pathways, the study of their metabolism is of fundamental importance in understanding the regulatory cross-talk that contributes to the nutritional quality of tomato fruits. By means of an integrated analysis of metabolite and gene expression profiles, isoprenoid metabolism was dissected in ripening-impaired (ripening inhibitor and non-ripening), senescence-related (lutescent1 and green flesh) and jasmonate insensitive (jasmonic acid insensitive 1-1) tomato mutants, all in the Micro-Tom genetic background. It was found that the more upstream the location of the mutated gene, the more extensive the effect on the transcriptional profiles of the isoprenoid-related genes. Although there was a distinct effect in the analyzed mutations on chlorophyll, carotenoid and tocopherol metabolism, a metabolic adjustment was apparent such the antioxidant capacity mostly remained constant. Transcriptional profiles from fruits of ripening and senescence-related tomato mutants suggested that maintenance of the de novo phytyl diphosphate synthesis might, in later ripening stages, compensate for the lack of chlorophyll-derived phytol used in tocopherol production. Interestingly, an impairment in jasmonate perception led to higher total tocopherol levels in ripe fruits, accompanied by an increase in antioxidant capacity, highlighting the contribution of tocopherols to this nutritionally important trait.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
ANTIOXIDANT CAPACITY
dc.subject
ATOCOPHEROL
dc.subject
CAROTENOIDS
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CHLOROPHYLL
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JASMONIC ACID
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RIPENING
dc.subject
SOLANACEAE
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SOLANUM LYCOPERSICUM
dc.subject
TOMATO MUTANTS
dc.subject.classification
Bioquímica y Biología Molecular
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Fruits from ripening impaired, chlorophyll degraded and jasmonate insensitive tomato mutants have altered tocopherol content and composition
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-08-07T19:07:08Z
dc.journal.volume
111
dc.journal.pagination
72-83
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Almeida de Souza, Juliana Beatriz. Universidade de Sao Paulo; Brasil
dc.description.fil
Fil: Asis, Ramón. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Centro de Investigaciones en Bioquímica Clínica e Inmunología; Argentina
dc.description.fil
Fil: Molineri, Virginia Noel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Centro de Investigaciones en Bioquímica Clínica e Inmunología; Argentina
dc.description.fil
Fil: Sestari, Ivan. Universidade Federal de Santa Catarina; Brasil
dc.description.fil
Fil: Lira, Bruno Silvestre. Universidade de Sao Paulo; Brasil
dc.description.fil
Fil: Carrari, Fernando Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina
dc.description.fil
Fil: Pereira Peres, Lázaro Eustáquio. Universidade de Sao Paulo; Brasil
dc.description.fil
Fil: Rossi, Magdalena. Universidade de Sao Paulo; Brasil
dc.journal.title
Phytochemistry
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0031942214004907
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.phytochem.2014.11.007
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