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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eru146
|2 doi
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|a pubmed24n0790.xml
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|a (NLM)24719453
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Singh, Manjul
|e verfasserin
|4 aut
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| 245 |
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|a Glucose control of root growth direction in Arabidopsis thaliana
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 23.02.2015
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|a Date Revised 21.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2014. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Directional growth of roots is a complex process that is modulated by various environmental signals. This work shows that presence of glucose (Glc) in the medium also extensively modulated seedling root growth direction. Glc modulation of root growth direction was dramatically enhanced by simultaneous brassinosteroid (BR) application. Glc enhanced BR receptor BRASSINOSTEROID INSENSITIVE1 (BRI1) endocytosis from plasma membrane to early endosomes. Glc-induced root deviation was highly enhanced in a PP2A-defective mutant, roots curl in naphthyl phthalamic acid 1-1 (rcn1-1) suggesting that there is a role of phosphatase in Glc-induced root-growth deviation. RCN1, therefore, acted as a link between Glc and the BR-signalling pathway. Polar auxin transport worked further downstream to BR in controlling Glc-induced root deviation response. Glc also affected other root directional responses such as root waving and coiling leading to altered root architecture. High light intensity mimicked the Glc-induced changes in root architecture that were highly reduced in Glc-signalling mutants. Thus, under natural environmental conditions, changing light flux in the environment may lead to enhanced Glc production/response and is a way to manipulate root architecture for optimized development via integrating several extrinsic and intrinsic signalling cues
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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
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|a brassinosteroid
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|a endocytosis
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|a glucose.
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|a Arabidopsis Proteins
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|a Brassinosteroids
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|a Plant Growth Regulators
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|a Protein Kinases
|2 NLM
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|a EC 2.7.-
|2 NLM
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|a BRI1 protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 2.7.11.1
|2 NLM
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|a Glucose
|2 NLM
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|a IY9XDZ35W2
|2 NLM
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| 700 |
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|a Gupta, Aditi
|e verfasserin
|4 aut
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|a Laxmi, Ashverya
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 65(2014), 12 vom: 09. Juli, Seite 2981-93
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:65
|g year:2014
|g number:12
|g day:09
|g month:07
|g pages:2981-93
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|u http://dx.doi.org/10.1093/jxb/eru146
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