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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eraa219
|2 doi
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|a pubmed24n1031.xml
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|a (DE-627)NLM309582636
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|a (NLM)32374882
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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 Lu, Jie-Yang
|e verfasserin
|4 aut
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| 245 |
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|a MS1, a direct target of MS188, regulates the expression of key sporophytic pollen coat protein genes in Arabidopsis
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|c 2020
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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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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a © The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Sporophytic pollen coat proteins (sPCPs) derived from the anther tapetum are deposited into pollen wall cavities and function in pollen-stigma interactions, pollen hydration, and environmental protection. In Arabidopsis, 13 highly abundant proteins have been identified in pollen coat, including seven major glycine-rich proteins GRP14, 16, 17, 18, 19, 20, and GRP-oleosin; two caleosin-related family proteins (AT1G23240 and AT1G23250); three lipase proteins EXL4, EXL5 and EXL6, and ATA27/BGLU20. Here, we show that GRP14, 17, 18, 19, and EXL4 and EXL6 fused with green fluorescent protein (GFP) are translated in the tapetum and then accumulate in the anther locule following tapetum degeneration. The expression of these sPCPs is dependent on two essential tapetum transcription factors, MALE STERILE188 (MS188) and MALE STERILITY 1 (MS1). The majority of sPCP genes are up-regulated within 30 h after MS1 induction and could be restored by MS1 expression driven by the MS188 promoter in ms188, indicating that MS1 is sufficient to activate their expression; however, additional MS1 downstream factors appear to be required for high-level sPCP expression. Our ChIP, in vivo transactivation assay, and EMSA data indicate that MS188 directly activates MS1. Together, these results reveal a regulatory cascade whereby outer pollen wall formation is regulated by MS188 followed by synthesis of sPCPs controlled by MS1
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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 thaliana
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|a MS1
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|a MS188
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|a pollen coat proteins
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|a pollen wall
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|a tapetum
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| 650 |
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|a Arabidopsis Proteins
|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 Xiong, Shuang-Xi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yin, Wenzhe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Teng, Xiao-Dong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lou, Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Cheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gu, Jing-Nan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wilson, Zoe A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Zhong-Nan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 71(2020), 16 vom: 06. Aug., Seite 4877-4889
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:71
|g year:2020
|g number:16
|g day:06
|g month:08
|g pages:4877-4889
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/eraa219
|3 Volltext
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|d 71
|j 2020
|e 16
|b 06
|c 08
|h 4877-4889
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