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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eru513
|2 doi
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|a pubmed24n0818.xml
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|a (DE-627)NLM245545670
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|a (NLM)25609825
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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 Kumar, Manoj
|e verfasserin
|4 aut
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|a Arabidopsis response to low-phosphate conditions includes active changes in actin filaments and PIN2 polarization and is dependent on strigolactone signalling
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|c 2015
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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 13.01.2016
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|a Date Revised 13.11.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Strigolactones (SLs) are plant hormones that regulate the plant response to phosphate (Pi) growth conditions. At least part of SL-signalling execution in roots involves MAX2-dependent effects on PIN2 polar localization in the plasma membrane (PM) and actin bundling and dynamics. We examined PIN2 expression, PIN2 PM localization, endosome trafficking, and actin bundling under low-Pi conditions: a MAX2-dependent reduction in PIN2 trafficking and polarization in the PM, reduced endosome trafficking, and increased actin-filament bundling were detected in root cells. The intracellular protein trafficking that is related to PIN proteins but unassociated with AUX1 PM localization was selectively inhibited. Exogenous supplementation of the synthetic SL GR24 to a SL-deficient mutant (max4) led to depletion of PIN2 from the PM under low-Pi conditions. Accordingly, roots of mutants in MAX2, MAX4, PIN2, TIR3, and ACTIN2 showed a reduced low-Pi response compared with the wild type, which could be restored by auxin (for all mutants) or GR24 (for all mutants except max2-1). Changes in PIN2 polarity, actin bundling, and vesicle trafficking may be involved in the response to low Pi in roots, dependent on SL/MAX2 signalling
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Actin
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|a PIN2
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|a endocytosis
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|a phosphate
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|a root
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|a strigolactone.
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|a Arabidopsis Proteins
|2 NLM
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|a Carrier Proteins
|2 NLM
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|a Lactones
|2 NLM
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|a MAX2 protein, Arabidopsis
|2 NLM
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| 650 |
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|a PIN2 protein, Arabidopsis
|2 NLM
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| 650 |
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|a Phosphates
|2 NLM
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| 650 |
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|a Plant Growth Regulators
|2 NLM
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| 700 |
1 |
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|a Pandya-Kumar, Nirali
|e verfasserin
|4 aut
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|a Dam, Anandamoy
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Haor, Hila
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mayzlish-Gati, Einav
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Belausov, Eduard
|e verfasserin
|4 aut
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|a Wininger, Smadar
|e verfasserin
|4 aut
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|a Abu-Abied, Mohamad
|e verfasserin
|4 aut
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| 700 |
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|a McErlean, Christopher S P
|e verfasserin
|4 aut
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| 700 |
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|a Bromhead, Liam J
|e verfasserin
|4 aut
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| 700 |
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|a Prandi, Cristina
|e verfasserin
|4 aut
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| 700 |
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|a Kapulnik, Yoram
|e verfasserin
|4 aut
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| 700 |
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|a Koltai, Hinanit
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 66(2015), 5 vom: 15. März, Seite 1499-510
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:66
|g year:2015
|g number:5
|g day:15
|g month:03
|g pages:1499-510
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|u http://dx.doi.org/10.1093/jxb/eru513
|3 Volltext
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|d 66
|j 2015
|e 5
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|c 03
|h 1499-510
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