Rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity

The purpose of this research was to identify differences between two contrasting rice cultivars in their response to suboptimal low temperatures stress. A transcriptomic analysis of the seedlings was performed and results were complemented with biochemical and physiological analyses. The microarray...

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Detalles Bibliográficos
Publicado:	2018
Materias:	Cold Oleate PSII performance Rice Starch Suboptimal low temperatures acclimatization chloroplast cold metabolism Oryza photosynthesis photosystem II physiology Acclimatization Chloroplasts Cold Temperature Photosynthesis Photosystem II Protein Complex
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09819428_v127_n_p537_Gazquez http://hdl.handle.net/20.500.12110/paper_09819428_v127_n_p537_Gazquez
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_09819428_v127_n_p537_Gazquez
record_format	dspace
spelling	paper:paper_09819428_v127_n_p537_Gazquez2023-06-08T15:59:13Z Rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity Cold Oleate PSII performance Rice Starch Suboptimal low temperatures acclimatization chloroplast cold metabolism Oryza photosynthesis photosystem II physiology Acclimatization Chloroplasts Cold Temperature Oryza Photosynthesis Photosystem II Protein Complex The purpose of this research was to identify differences between two contrasting rice cultivars in their response to suboptimal low temperatures stress. A transcriptomic analysis of the seedlings was performed and results were complemented with biochemical and physiological analyses. The microarray analysis showed downregulation of many genes related with PSII and particularly with the oxygen evolving complex in the sensitive cultivar IR50. Complementary studies indicated that the PSII performance, the degree of oxygen evolving complex coupling with the PSII core and net photosynthetic rate diminished in this cultivar in response to the stress. However, the tolerant cultivar Koshihikari was able to maintain its energy equilibrium by sustaining the photosynthetic capacity. The increase of oleic acid in Koshihikari could be related with membrane remodelling of the chloroplasts and hence contribute to tolerance. Overall, these results work as a ground for future analyses that look forward to characterize possible mechanisms to tolerate this stress. © 2018 Elsevier Masson SAS 2018 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09819428_v127_n_p537_Gazquez http://hdl.handle.net/20.500.12110/paper_09819428_v127_n_p537_Gazquez
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Cold Oleate PSII performance Rice Starch Suboptimal low temperatures acclimatization chloroplast cold metabolism Oryza photosynthesis photosystem II physiology Acclimatization Chloroplasts Cold Temperature Oryza Photosynthesis Photosystem II Protein Complex
spellingShingle	Cold Oleate PSII performance Rice Starch Suboptimal low temperatures acclimatization chloroplast cold metabolism Oryza photosynthesis photosystem II physiology Acclimatization Chloroplasts Cold Temperature Oryza Photosynthesis Photosystem II Protein Complex Rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity
topic_facet	Cold Oleate PSII performance Rice Starch Suboptimal low temperatures acclimatization chloroplast cold metabolism Oryza photosynthesis photosystem II physiology Acclimatization Chloroplasts Cold Temperature Oryza Photosynthesis Photosystem II Protein Complex
description	The purpose of this research was to identify differences between two contrasting rice cultivars in their response to suboptimal low temperatures stress. A transcriptomic analysis of the seedlings was performed and results were complemented with biochemical and physiological analyses. The microarray analysis showed downregulation of many genes related with PSII and particularly with the oxygen evolving complex in the sensitive cultivar IR50. Complementary studies indicated that the PSII performance, the degree of oxygen evolving complex coupling with the PSII core and net photosynthetic rate diminished in this cultivar in response to the stress. However, the tolerant cultivar Koshihikari was able to maintain its energy equilibrium by sustaining the photosynthetic capacity. The increase of oleic acid in Koshihikari could be related with membrane remodelling of the chloroplasts and hence contribute to tolerance. Overall, these results work as a ground for future analyses that look forward to characterize possible mechanisms to tolerate this stress. © 2018 Elsevier Masson SAS
title	Rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity
title_short	Rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity
title_full	Rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity
title_fullStr	Rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity
title_full_unstemmed	Rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity
title_sort	rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity
publishDate	2018
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09819428_v127_n_p537_Gazquez http://hdl.handle.net/20.500.12110/paper_09819428_v127_n_p537_Gazquez
_version_	1768545473404076032

Rice tolerance to suboptimal low temperatures relies on the maintenance of the photosynthetic capacity

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