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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erq290
|2 doi
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|a pubmed25n0673.xml
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|a (DE-627)NLM201895935
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|a (NLM)20876334
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Yokotani, Naoki
|e verfasserin
|4 aut
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|a A novel chloroplast protein, CEST induces tolerance to multiple environmental stresses and reduces photooxidative damage in transgenic Arabidopsis
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 11.04.2011
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|a Date Revised 09.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Environmental stresses are major factors in limiting plant growth and crop production. To find genes improving salt tolerance, the screening of a large population of transgenic Arabidopsis thaliana that expressed rice full-length cDNAs under salinity stress is reported here. In this study one of the isolated salt-tolerant lines, R07303 was analysed in detail. An uncharacterized rice gene CHLOROPLAST PROTEIN-ENHANCING STRESS TOLERANCE (OsCEST) was integrated in R07303. Newly constructed transgenic Arabidopsis that overexpressed OsCEST or its Arabidopsis homologue AtCEST showed improved tolerance to salinity stress. OsCEST and AtCEST were mainly transcribed in photosynthetic tissues. Green fluorescent protein-fused OsCEST and AtCEST proteins were localized to the chloroplast in the Arabidopsis leaf protoplasts. CEST-overexpressing Arabidopsis showed enhanced tolerance not only to salt stress but also to drought stress, high-temperature stress, and paraquat, which causes photooxidative stress. Under saline conditions, overexpression of CESTs modulated the stress-induced impairment of photosynthetic activity and the peroxidation of lipids. Reduced expression of AtCEST because of double-stranded RNA interference resulted in the impairment of photosynthetic activity, the reduction of green pigment, defects in chloroplast development, and growth retardation under light. This paper discusses the relationship between the chloroplast protein CEST and photooxidative damage
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis Proteins
|2 NLM
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|a CEST protein, Arabidopsis
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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|a Higuchi, Mieko
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kondou, Youichi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ichikawa, Takanari
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Iwabuchi, Masaki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hirochika, Hirohiko
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Matsui, Minami
|e verfasserin
|4 aut
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| 700 |
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|a Oda, Kenji
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 62(2011), 2 vom: 27. Jan., Seite 557-69
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnas
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| 773 |
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|g volume:62
|g year:2011
|g number:2
|g day:27
|g month:01
|g pages:557-69
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|u http://dx.doi.org/10.1093/jxb/erq290
|3 Volltext
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|d 62
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|h 557-69
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