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| Research Progress on Molecular Regulation of Flowering-time in Brassica Vegetables |
| SONG Ming，XU Jun-qiang，TANG Qing-lin*，GE Wen-dong，WANG Zhi-min |
| College of Horticulture and Landscape Architecture，Southwest University，Key Laboratory of Horticulture Science for Southern Mountainous Regions，Ministry of Education，Key Laboratory of Olericulture，Chongqing 400715，China |
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Abstract Flowering is an important trait of Brassica vegetables，there are 4 pathways to control flowering：vernalization pathway，photoperiod pathway，gibberellin pathway and autonomous path- way．Although these 4 pathways have different gene regulatory networks，at last gather-together to the same integrator eventually．This paper refers to Arabidopsis thaliana L. to review the molecular mechanisms of key gene FLC in vernalization and autonomous pathways，CO in photoperiod pathway and gibberellin pathway in Brassica vegetables．It also analyzes the regulating functions of the key genes in flowering signal integrators and discusses about the prospects of future research works，according to the present research status．
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Received: 01 June 2011
Published: 21 September 2011
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