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231225s2019 xx |||||o 00| ||eng c |
| 024 |
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|a 10.1093/jxb/erz382
|2 doi
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|a pubmed24n1003.xml
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|a (DE-627)NLM301135169
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|a (NLM)31504730
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Zhao, Jiangzhe
|e verfasserin
|4 aut
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| 245 |
1 |
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|a ABC transporter OsABCG18 controls the shootward transport of cytokinins and grain yield in rice
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 10.08.2020
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|a Date Revised 10.08.2020
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a © The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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| 520 |
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|a Cytokinins are one of the most important phytohormones and play essential roles in multiple life processes in planta. Root-derived cytokinins are transported to the shoots via long-distance transport. The mechanisms of long-distance transport of root-derived cytokinins remain to be demonstrated. In this study, we report that OsABCG18, a half-size ATP-binding cassette transporter from rice (Oryza sativa L.), is essential for the long-distance transport of root-derived cytokinins. OsABCG18 encodes a plasma membrane protein and is primarily expressed in the vascular tissues of the root, stem, and leaf midribs. Cytokinin profiling, as well as [14C]trans-zeatin tracer, and xylem sap assays, demonstrated that the shootward transport of root-derived cytokinins was significantly suppressed in the osabcg18 mutants. Transport assays in tobacco (Nicotiana benthamiana) indicated that OsABCG18 exhibited efflux transport activities for various substrates of cytokinins. While the mutation reduced root-derived cytokinins in the shoot and grain yield, overexpression of OsABCG18 significantly increased cytokinins in the shoot and improved grain yield. The findings for OsABCG18 as a transporter for long-distance transport of cytokinin provide new insights into the cytokinin transport mechanism and a novel strategy to increase cytokinins in the shoot and promote grain yield
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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4 |
|a ABC transporter
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|a cytokinin
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|a efflux transporter
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|a grain yield
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| 650 |
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|a long-distance translocation
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| 650 |
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4 |
|a rice (Oryza sativa L.)
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| 650 |
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7 |
|a ATP-Binding Cassette Transporters
|2 NLM
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| 650 |
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|a Cytokinins
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Green Fluorescent Proteins
|2 NLM
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| 650 |
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7 |
|a 147336-22-9
|2 NLM
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| 700 |
1 |
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|a Yu, Ningning
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ju, Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Biao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yanjun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Engao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Mengyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Kewei
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 70(2019), 21 vom: 18. Nov., Seite 6277-6291
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:70
|g year:2019
|g number:21
|g day:18
|g month:11
|g pages:6277-6291
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erz382
|3 Volltext
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