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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eru408
|2 doi
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|a pubmed24n0810.xml
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|a (DE-627)NLM243159420
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|a (NLM)25355864
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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 Ridge, Stephen
|e verfasserin
|4 aut
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| 245 |
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4 |
|a The role of BoFLC2 in cauliflower (Brassica oleracea var. botrytis L.) reproductive 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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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 22.02.2016
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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 In agricultural species that are sexually propagated or whose marketable organ is a reproductive structure, management of the flowering process is critical. Inflorescence development in cauliflower is particularly complex, presenting unique challenges for those seeking to predict and manage flowering time. In this study, an integrated physiological and molecular approach was used to clarify the environmental control of cauliflower reproductive development at the molecular level. A functional allele of BoFLC2 was identified for the first time in an annual brassica, along with an allele disrupted by a frameshift mutation (boflc2). In a segregating F₂ population derived from a cross between late-flowering (BoFLC2) and early-flowering (boflc2) lines, this gene behaved in a dosage-dependent manner and accounted for up to 65% of flowering time variation. Transcription of BoFLC genes was reduced by vernalization, with the floral integrator BoFT responding inversely. Overall expression of BoFT was significantly higher in early-flowering boflc2 lines, supporting the idea that BoFLC2 plays a key role in maintaining the vegetative state. A homologue of Arabidopsis VIN3 was isolated for the first time in a brassica crop species and was up-regulated by two days of vernalization, in contrast to findings in Arabidopsis where prolonged exposure to cold was required to elicit up-regulation. The correlations observed between gene expression and flowering time in controlled-environment experiments were validated with gene expression analyses of cauliflowers grown outdoors under 'natural' vernalizing conditions, indicating potential for transcript levels of flowering genes to form the basis of predictive assays for curd initiation and flowering time
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a BoFLC
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|a BoFT
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|a BoVIN3
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|a Brassica oleracea
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|a cauliflower
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|a expression
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|a flowering time
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|a vernalization.
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| 650 |
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|a MADS Domain Proteins
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 700 |
1 |
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|a Brown, Philip H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hecht, Valérie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Driessen, Ronald G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Weller, James L
|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), 1 vom: 01. Jan., Seite 125-35
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:66
|g year:2015
|g number:1
|g day:01
|g month:01
|g pages:125-35
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/eru408
|3 Volltext
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|d 66
|j 2015
|e 1
|b 01
|c 01
|h 125-35
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