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The physiological role of the unfolded protein response in plants 48
Moreno,Adrian A; Orellana,Ariel.
Unfolded protein response (UPR) is a signaling mechanism activated by misfolded protein accumulation in the endoplasmic reticulum. It is a widespread process that has been described in organisms ranging from yeasts to mammals. In recent years, our understanding of UPR signaling pathway in plants has advanced. Two transcription factors from Arabidopsis thaliana have been reported to function as the sensor/ transducer of this response (AtbZIP60 and AtbZIP28). They seem to be involved in both heat and biotic stress. Furthermore, overexpression of one of them (AtbZIP60) produces plants with a higher tolerance for salt stress, suggesting that this transcription factor may play a role in abiotic stress. Furthermore, some data suggest that crosstalk between genes...
Tipo: Journal article Palavras-chave: Endoplasmic reticulum; Plant; Signaling; Unfolded protein response.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602011000100010
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Using genomics to improve fruit quality 48
Meneses,Claudio; Orellana,Ariel.
New fruit varieties are needed to satisfy consumers, and the industry is facing new challenges in order to respond to these demands. The emergence of genomic tools is releasing information on polymorphisms that can be utilized to expedite breeding processes in species that are difficult to breed, given the long periods of time required to get new varieties. The present review describes the current stages of the ongoing efforts that are being taken to apply these technologies to obtain varieties with improved fruit quality in species of the family Rosaceae.
Tipo: Journal article Palavras-chave: Polymorphisms; Marker Assited Selection; Genomic Tools.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602013000400006
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Efecto del acondicionado previo al almacenaje refrigerado sobre la calidad de ciruelas 'Constanza' 53
Seibert,Eduardo; González,Susana; Orellana,Ariel; Luchsinger,Luis; Bender,Renar João.
El efecto del acondicionado a 20 ºC por 6 días previo al almacenaje refrigerado sobre la calidad y el desarrollo de daños por frío fue estudiado en ciruelas 'Constanza'. Terminado el tratamiento las ciruelas fueron almacenadas a 0 ºC por 7, 14, 21, 28, 35 y 42 días, o a 5 ºC por 7, 14 y 21 días, con evaluaciones a la cosecha, en cada salida de frío y después de madurar a 20 ºC. Como control las frutas fueron almacenadas a 0 y 5 ºC, sin acondicionar. Las pérdidas de masa fresca fueron bajas durante el almacenaje a 0 o 5 ºC y aumentaron en la maduración. La firmeza cambió poco en las ciruelas-control a 0 ºC, mientras que en las acondicionadas disminuyó hasta los 28 días a 0 ºC. El acondicionado combinado con el almacenaje a 5 ºC causó una gran pérdida de...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Frutos de carozo; Ciruela; Calentamiento; Refrigeración; Daños por frío.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052008000100028
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