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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eraa161
|2 doi
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|a pubmed24n1027.xml
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|a (DE-627)NLM308127803
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|a (NLM)32227095
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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 |
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|a Lu, Jun
|e verfasserin
|4 aut
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|a Alternate expression of CONSTANS-LIKE 4 in short days and CONSTANS in long days facilitates day-neutral response in Rosa chinensis
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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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 CommentIn: J Exp Bot. 2020 Jul 6;71(14):3923-3926. - PMID 32628767
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|a Citation Status MEDLINE
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|a © The Author(s) 2020. 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 Photoperiodic flowering responses are classified into three major types: long day (LD), short day (SD), and day neutral (DN). The inverse responses to daylength of LD and SD plants have been partly characterized in Arabidopsis and rice; however, the molecular mechanism underlying the DN response is largely unknown. Modern roses are economically important ornamental plants with continuous flowering (CF) features, and are generally regarded as DN plants. Here, RcCO and RcCOL4 were identified as floral activators up-regulated under LD and SD conditions, respectively, in the CF cultivar Rosa chinensis 'Old-Blush'. Diminishing the expression of RcCO or/and RcCOL4 by virus-induced gene silencing (VIGS) delayed flowering time under both SDs and LDs. Interestingly, in contrast to RcCO-silenced plants, the flowering time of RcCOL4-silenced plants was more delayed under SD than under LD conditions, indicating perturbed plant responses to day neutrality. Further analyses revealed that physical interaction between RcCOL4 and RcCO facilitated binding of RcCO to the CORE motif in the promoter of RcFT and induction of RcFT. Taken together, the complementary expression of RcCO in LDs and of RcCOL4 in SDs guaranteed flowering under favorable growth conditions regardless of the photoperiod. This finding established the molecular foundation of CF in roses and further shed light on the underlying mechanisms of DN responses
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Rosa chinensis
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|a Continuous flowering
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|a day-neutral plants
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|a long-day plants
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|a photoperiod responses
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|a short-day plants
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|a Arabidopsis Proteins
|2 NLM
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|a Plant Proteins
|2 NLM
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| 700 |
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|a Sun, Jingjing
|e verfasserin
|4 aut
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|a Jiang, Anqi
|e verfasserin
|4 aut
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| 700 |
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|a Bai, Mengjuan
|e verfasserin
|4 aut
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| 700 |
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|a Fan, Chunguo
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Jinyi
|e verfasserin
|4 aut
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|a Ning, Guogui
|e verfasserin
|4 aut
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|a Wang, Changquan
|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), 14 vom: 06. Juli, Seite 4057-4068
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:71
|g year:2020
|g number:14
|g day:06
|g month:07
|g pages:4057-4068
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|u http://dx.doi.org/10.1093/jxb/eraa161
|3 Volltext
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|a AR
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|d 71
|j 2020
|e 14
|b 06
|c 07
|h 4057-4068
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