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Título: | Proteomic and transcriptomic analysis of rice tranglutaminase and chloroplast-related proteins |
Autor: | Campos, Narciso CSIC ORCID; Torné, Josep María CSIC; Bleda, María José CSIC ORCID; Manich, Albert M. CSIC ORCID CVN; Urreta, I.; Montalbán, I. A.; Castañón, S.; Moncalean, P.; Santos Lozano, M. Asunción CSIC | Fecha de publicación: | 2014 | Editor: | Elsevier | Citación: | Plant Science 229: 142-153 (2014) | Resumen: | The recently cloned rice transglutaminase gene (tgo) is the second plant transglutaminase identified to date (Campos et al. Plant Sci. 205–206 (2013) 97–110). Similarly to its counterpart in maize (tgz), this rice TGase was localized in the chloroplast, although in this case not exclusively. To further characterise plastidial tgo functionality, proteomic and transcriptomic studies were carried out to identify possible TGO-related proteins. Some LHCII antenna proteins were identified as TGO related using an in vitro proteomic approach, as well as ATPase and some PSII core proteins by mass spectrometry. To study the relationship between TGO and other plastidial proteins, a transcriptomic in vivo Dynamic Array (Fluidigm™) was used to analyse the mRNA expression of 30 plastidial genes with respect to that of tgo, in rice plants subjected to different periods of continuous illumination. The results indicated a gene-dependent tendency in the expression pattern that was related to tgo expression and to the illumination cycle. For certain genes, including tgo, significant differences between treatments, principally at the initiation and/or at the end of the illumination period, connected with the day/night cycling of gene expression, were observed. The tgo expression was especially related to plastidial proteins involved in photoprotection and the thylakoid electrochemical gradient. | Versión del editor: | https://doi.org/10.1016/j.plantsci.2014.09.004 | URI: | http://hdl.handle.net/10261/249762 | DOI: | 10.1016/j.plantsci.2014.09.004 | ISSN: | 0168-9452 |
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