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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14151
|2 doi
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|a pubmed24n0880.xml
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|a (DE-627)NLM26413317X
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|a (NLM)27604611
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Huang, Zhigang
|e verfasserin
|4 aut
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| 245 |
1 |
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|a APETALA2 antagonizes the transcriptional activity of AGAMOUS in regulating floral stem cells in Arabidopsis thaliana
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|c 2017
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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 09.04.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.
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|a APETALA2 (AP2) is best known for its function in the outer two floral whorls, where it specifies the identities of sepals and petals by restricting the expression of AGAMOUS (AG) to the inner two whorls in Arabidopsis thaliana. Here, we describe a role of AP2 in promoting the maintenance of floral stem cell fate, not by repressing AG transcription, but by antagonizing AG activity in the center of the flower. We performed a genetic screen with ag-10 plants, which exhibit a weak floral determinacy defect, and isolated a mutant with a strong floral determinacy defect. This mutant was found to harbor another mutation in AG and was named ag-11. We performed a genetic screen in the ag-11 background to isolate mutations that suppress the floral determinacy defect. Two suppressor mutants were found to harbor mutations in AP2. While AG is known to shut down the expression of the stem cell maintenance gene WUSCHEL (WUS) to terminate floral stem cell fate, AP2 promotes the expression of WUS. AP2 does not repress the transcription of AG in the inner two whorls, but instead counteracts AG activity
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|a Journal Article
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4 |
|a AGAMOUS
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| 650 |
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4 |
|a KNUCKLES
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| 650 |
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4 |
|a WUSCHEL
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| 650 |
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4 |
|a APETALA2
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| 650 |
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4 |
|a floral determinacy
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| 650 |
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4 |
|a floral stem cells
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| 650 |
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|a AGAMOUS Protein, Arabidopsis
|2 NLM
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| 650 |
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|a APETALA2 protein, Arabidopsis
|2 NLM
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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7 |
|a Homeodomain Proteins
|2 NLM
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| 650 |
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7 |
|a Nuclear Proteins
|2 NLM
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| 700 |
1 |
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|a Shi, Ting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Binglian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yumul, Rae Eden
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xigang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a You, Chenjiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Zhihong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiao, Langtao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Xuemei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 215(2017), 3 vom: 07. Aug., Seite 1197-1209
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:215
|g year:2017
|g number:3
|g day:07
|g month:08
|g pages:1197-1209
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| 856 |
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|u http://dx.doi.org/10.1111/nph.14151
|3 Volltext
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