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An Arabidopsis soluble chloroplast proteomic analysis reveals the participation of the Executer pathway in response to increased light conditions
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Kemiska institutionen.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Kemiska institutionen.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Kemiska institutionen.
Vise andre og tillknytning
2015 (engelsk)Inngår i: Journal of Experimental Botany, ISSN 0022-0957, E-ISSN 1460-2431, Vol. 66, nr 7, s. 2067-2077Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The Executer1 and Executer2 proteins have a fundamental role in the signalling pathway mediated by singlet oxygen in chloroplast; nonetheless, not much is known yet about their specific activity and features. Herein, we have followed a differential-expression proteomics approach to analyse the impact of Executer on the soluble chloroplast protein abundance in Arabidopsis. Because singlet oxygen plays a significant role in signalling the oxidative response of plants to light, our analysis also included the soluble chloroplast proteome of plants exposed to a moderate light intensity in the time frame of hours. A number of light- and genotype-responsive proteins were detected, and mass-spectrometry identification showed changes in abundance of several photosynthesis-and carbon metabolism-related proteins as well as proteins involved in plastid mRNA processing. Our results support the participation of the Executer proteins in signalling and control of chloroplast metabolism, and in the regulation of plant response to environmental changes.

sted, utgiver, år, opplag, sider
2015. Vol. 66, nr 7, s. 2067-2077
Emneord [en]
Abiotic stress, acclimation response, chloroplast metabolism, DIGE, light, retrograde signalling, ROS
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-106375DOI: 10.1093/jxb/erv018ISI: 000353894100029PubMedID: 25740923OAI: oai:DiVA.org:umu-106375DiVA, id: diva2:841824
Tilgjengelig fra: 2015-07-15 Laget: 2015-07-14 Sist oppdatert: 2018-06-07bibliografisk kontrollert

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