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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eru296
|2 doi
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|a pubmed24n0802.xml
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|a (NLM)25096923
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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 Nayar, Saraswati
|e verfasserin
|4 aut
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| 245 |
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|a Post-translational regulation of rice MADS29 function
|b homodimerization or binary interactions with other seed-expressed MADS proteins modulate its translocation into the nucleus
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|c 2014
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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 15.05.2015
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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 OsMADS29 is a seed-specific MADS-box transcription factor that affects embryo development and grain filling by maintaining hormone homeostasis and degradation of cells in the nucellus and nucellar projection. Although it has a bipartite nuclear localization signal (NLS) sequence, the transiently expressed OsMADS29 monomer does not localize specifically in the nucleus. Dimerization of the monomers alters the intracellular localization fate of the resulting OsMADS29 homodimer, which then translocates into the nucleus. By generating domain-specific deletions/mutations, we show that two conserved amino acids (lysine(23) and arginine(24)) in the NLS are important for nuclear localization of the OsMADS29 homodimer. Furthermore, the analyses involving interaction of OsMADS29 with 30 seed-expressed rice MADS proteins revealed 19 more MADS-box proteins, including five E-class proteins, which interacted with OsMADS29. Eleven of these complexes were observed to be localized in the nucleus. Deletion analysis revealed that the KC region (K-box and C-terminal domain) plays a pivotal role in homodimerization. These data suggest that the biological function of OsMADS29 may not only be regulated at the level of transcription and translation as reported earlier, but also at the post-translational level by way of the interaction between OsMADS29 monomers, and between OsMADS29 and other MADS-box proteins
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a MADS box
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|a nuclear localization
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|a protein–protein interaction
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|a rice
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|a seed
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|a transcription factor.
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|a Plant Proteins
|2 NLM
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|a Kapoor, Meenu
|e verfasserin
|4 aut
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| 700 |
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|a Kapoor, Sanjay
|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), 18 vom: 28. Okt., Seite 5339-50
|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:18
|g day:28
|g month:10
|g pages:5339-50
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|u http://dx.doi.org/10.1093/jxb/eru296
|3 Volltext
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