| 被子植物下胚轴细胞伸长的分子机理 |
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| 引用本文： | 王红飞,尚庆茂.被子植物下胚轴细胞伸长的分子机理[J].植物学报,2018,53(2):276-287. |
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| 作者姓名： | 王红飞 尚庆茂 |
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| 作者单位： | 中国农业科学院蔬菜花卉研究所, 农业部园艺作物生物学与种质创制重点实验室, 北京 100081 |
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| 基金项目： | 国家自然科学基金(No.31172001)、国家现代农业产业技术体系建设专项(No.CARS-25)、公益性行业(农业)科研专项(No.201303014)和中国农业科学院科技创新工程(No.CAAS-ASTIP-IVFCAAS)
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| 摘 要： | 作为一种正常的生命现象, 植物下胚轴伸长是长期自然选择的结果, 也是植物进行光合作用、实现自养的必要前提。但下胚轴过度伸长容易造成幼苗徒长, 使植株长势弱, 抗逆能力差, 不利于产量提高和品质改良。该文综述了被子植物下胚轴的发育过程、下胚轴伸长的细胞学机制、植物激素及环境信号调控下胚轴细胞伸长分子机制的最新研究进展, 并展望了未来的研究方向。
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| 收稿时间： | 2017-03-27 |
| 修稿时间： | 2017-06-29 |
Molecular Mechanisms of Cell Elongation in Angiosperm Hypocotyl |
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| Hongfei Wang,Qingmao Shang.Molecular Mechanisms of Cell Elongation in Angiosperm Hypocotyl[J].Bulletin of Botany,2018,53(2):276-287. |
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| Authors: | Hongfei Wang Qingmao Shang |
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| Institution: | Key Laboratory of Horticultural Crop Biology and Germplasm Innovation, Ministry of Agriculture, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081
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| Abstract: | As a normal life phenomenon, hypocotyl elongation is the result of long-term natural selection as well as anecessary prerequisite for photosynthesis and autotrophy. However, leggy seedlings are weak and have poor adaptabilityfor overelongated hypocotyls, which negatively affects yield and quality improvement. This review summarizes researchand development progress, the cytological mechanism of hypocotyl elongation and the molecular regulatory mechanismsof hypocotyl elongation by hormones and environmental factors and overviews the direction of future related research. |
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