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Artículo

Expression profile of transcripts encoding cell wall remodelling proteins in tomato fruit cv. Micro-Tom subjected to 158C storage

Müller, Gabriela LeticiaIcon ; Budde, Claudio Olaf; Lauxmann, Martin AlexanderIcon ; Triassi, AgustinaIcon ; Andreo, Carlos SantiagoIcon ; Drincovich, Maria FabianaIcon ; Lara, Maria ValeriaIcon
Fecha de publicación: 02/2013
Editorial: Csiro Publishing
Revista: Functional Plant Biology
ISSN: 1445-4408
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Bioquímica y Biología Molecular

Resumen

To extend fruit market life, tomatoes are harvested before red ripe and kept at temperatures below optimum (20°C). In this work, Micro-Tom tomatoes stored at 20°C (normal ripening) were compared with those stored at 15°C or 4°C (chilling injury inducer) for 7 days. In contrast to 4°C, storage at 15°C delayed ripening with the benefit of not enhancing oxidative metabolism and of enabling ripening upon being transferred to 20°C. The transcriptional expression profile of enzymes related to cell wall metabolism was compared at the three temperatures. Although endo-β-1,4-glucanase (Cel1), which is associated with fruit decay, was largely increased after removal from 4°C storage, its expression was not modified in fruits stored at 15°C. Enhanced transcriptional expression of xyloglucan endotransgylcosylase/hydrolases (XTHs) XTH1, –2, –10 and –11, and of two β-xylosidases (Xyl1–2) was detected in fruits stored at 15°C with respect to those at 20°C. Following 2 days at 20°C, these transcripts remained higher in fruits stored at 15°C and XHT3 and –9 also increased. Ethylene evolution was similar in fruits kept at 15°C and 20°C; thus, the changes in the transcript profile and fruit properties between these treatments may be under the control of factors other than ethylene.
Palabras clave: Cell Wall , Chilling Injury , Tomato , Ripening
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/7833
URL: http://www.publish.csiro.au/FP/FP12272
DOI: http://dx.doi.org/10.1071/FP12272
Colecciones
Articulos(CCT - ROSARIO)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - ROSARIO
Articulos(CEFOBI)
Articulos de CENTRO DE EST.FOTOSINTETICOS Y BIOQUIMICOS (I)
Citación
Müller, Gabriela Leticia; Budde, Claudio Olaf; Lauxmann, Martin Alexander; Triassi, Agustina; Andreo, Carlos Santiago; et al.; Expression profile of transcripts encoding cell wall remodelling proteins in tomato fruit cv. Micro-Tom subjected to 158C storage; Csiro Publishing; Functional Plant Biology; 40; 5; 2-2013; 449-458
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