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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erv174
|2 doi
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|a pubmed24n0828.xml
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|a eng
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| 100 |
1 |
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|a Turchi, L
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Interplay of HD-Zip II and III transcription factors in auxin-regulated plant development
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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
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|2 rdacarrier
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|a Date Completed 29.04.2016
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|a Date Revised 25.07.2015
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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. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a The homeodomain-leucine zipper (HD-Zip) class of transcription factors is unique to plants. HD-Zip proteins bind to DNA exclusively as dimers recognizing dyad symmetric sequences and act as positive or negative regulators of gene expression. On the basis of sequence homology in the HD-Zip DNA-binding domain, HD-Zip proteins have been grouped into four families (HD-Zip I-IV). Each HD-Zip family can be further divided into subfamilies containing paralogous genes that have arisen through genome duplication. Remarkably, all the members of the HD-Zip IIγ and -δ clades are regulated by light quality changes that induce in the majority of the angiosperms the shade-avoidance response, a process regulated at multiple levels by auxin. Intriguingly, it has recently emerged that, apart from their function in shade avoidance, the HD-Zip IIγ and -δ transcription factors control several auxin-regulated developmental processes, including apical embryo patterning, lateral organ polarity, and gynoecium development, in a white-light environment. This review presents recent advances in our understanding of HD-Zip II protein function in plant development, with particular emphasis on the impact of loss-of-function HD-Zip II mutations on auxin distribution and response. The review also describes evidence demonstrating that HD-Zip IIγ and -δ genes are directly and positively regulated by HD-Zip III transcription factors, primary determinants of apical shoot development, known to control the expression of several auxin biosynthesis, transport, and response genes. Finally, the interplay between HD-Zip II and III transcription factors in embryo apical patterning and organ polarity is 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 Review
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|a Auxin
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|a HD-Zip II proteins
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| 650 |
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|a HD-Zip III proteins
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| 650 |
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|a embryo apical patterning
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|a gynoecium development
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| 650 |
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|a lateral organ polarity
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|a shade-avoidance response.
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Homeodomain Proteins
|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 Transcription Factors
|2 NLM
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| 700 |
1 |
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|a Baima, S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Morelli, G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ruberti, I
|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 66(2015), 16 vom: 15. Aug., Seite 5043-53
|w (DE-627)NLM098182706
|x 1460-2431
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|g volume:66
|g year:2015
|g number:16
|g day:15
|g month:08
|g pages:5043-53
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|u http://dx.doi.org/10.1093/jxb/erv174
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