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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/ers371
|2 doi
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|a pubmed24n1406.xml
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|a (DE-627)NLM223949299
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|a (NLM)23293348
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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 Yu, Jing
|e verfasserin
|4 aut
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| 245 |
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|a Arabidopsis aux1rcr1 mutation alters AUXIN RESISTANT1 targeting and prevents expression of the auxin reporter DR5:GUS in the root apex
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|c 2013
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| 336 |
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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 26.07.2013
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|a Date Revised 13.05.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Multilevel interactions of the plant hormones ethylene and auxin coordinately and synergistically regulate many aspects of plant growth and development. This study isolated the AUXIN RESISTANT1 (AUX1) allele aux1(rcr1) (RCR1 for REVERSING CTR1-10 ROOT1) that suppressed the root growth inhibition conferred by the constitutive ethylene-response constitutive triple response1-10 (ctr1-10) allele. The aux1(rcr1) mutation resulted from an L126F substitution at loop 2 of the plasma membrane-associated auxin influx carrier protein AUX1. aux1(rcr1) and the T-DNA insertion mutant aux1-T were both defective in auxin transport and many aspects of the auxin response. Unexpectedly, expression of the auxin-response reporter DR5:GUS in the root apex was substantially prevented by the aux1(rcr1) but not the aux1-T mutation, even in the presence of the wild-type AUX1 allele. Following treatment with the synthetic auxin 1-naphthaleneacetic acid (NAA), DR5:GUS expression in aux1(rcr1) and aux1-T occurred mainly in the root apex and mature zone. NAA-induced DR5:GUS expression in the root apex was markedly prevented by ethylene in genotypes with aux1(rcr1) but not in aux1-T genotypes and the wild type. The effect of aux1(rcr1) on DR5:GUS expression seemed to be associated with AUX1-expressing domains. Green fluorescence protein-fused aux1(rcr1) was localized in the cytoplasm and probably not to the plasma membrane, indicating important roles of the Lys(126) residue at loop 2 in AUX1 targeting. The possible effects of aux1(rcr1) on DR5:GUS expression are discussed
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a AUX1 protein, Arabidopsis
|2 NLM
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a DNA, Bacterial
|2 NLM
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|a Ethylenes
|2 NLM
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| 650 |
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|a Indoleacetic Acids
|2 NLM
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| 650 |
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|a Naphthaleneacetic Acids
|2 NLM
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| 650 |
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|a Recombinant Fusion Proteins
|2 NLM
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| 650 |
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|a T-DNA
|2 NLM
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| 650 |
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|a 1-naphthaleneacetic acid
|2 NLM
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| 650 |
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|a 33T7G7757C
|2 NLM
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| 650 |
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|a indoleacetic acid
|2 NLM
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| 650 |
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|a 6U1S09C61L
|2 NLM
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| 650 |
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|a ethylene
|2 NLM
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| 650 |
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|a 91GW059KN7
|2 NLM
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| 650 |
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|a Protein Kinases
|2 NLM
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| 650 |
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|a EC 2.7.-
|2 NLM
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| 650 |
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|a CTR1 protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 2.7.1.-
|2 NLM
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| 650 |
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|a beta-Glucosidase
|2 NLM
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| 650 |
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|a EC 3.2.1.21
|2 NLM
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| 650 |
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|a Lysine
|2 NLM
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| 650 |
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|a K3Z4F929H6
|2 NLM
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| 700 |
1 |
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|a Wen, Chi-Kuang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 64(2013), 4 vom: 05. Feb., Seite 921-33
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:64
|g year:2013
|g number:4
|g day:05
|g month:02
|g pages:921-33
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| 856 |
4 |
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|u http://dx.doi.org/10.1093/jxb/ers371
|3 Volltext
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|a AR
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|d 64
|j 2013
|e 4
|b 05
|c 02
|h 921-33
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