[1]田 晶,赵雪媛,谢隆聖,等.SPL转录因子调控植物花发育及其分子机制研究进展[J].南京林业大学学报(自然科学版),2018,42(03):159-166.[doi:10.3969/j.issn.1000-2006.201708015]
 TIAN Jing,ZHAO Xueyuan,XIE Longsheng,et al.Research advances and molecular mechanism on SPLtranscription factors in regulating plant flower development[J].Journal of Nanjing Forestry University(Natural Science Edition),2018,42(03):159-166.[doi:10.3969/j.issn.1000-2006.201708015]
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SPL转录因子调控植物花发育及其分子机制研究进展
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
42
期数:
2018年03期
页码:
159-166
栏目:
综合述评
出版日期:
2018-05-15

文章信息/Info

Title:
Research advances and molecular mechanism on SPL transcription factors in regulating plant flower development
文章编号:
1000-2006(2018)03-0159-08
作者:
田 晶赵雪媛谢隆聖权晋谊姚连梅王国东郑要强刘雪梅*
东北林业大学 生命科学学院, 黑龙江 哈尔滨 150040
Author(s):
TIAN Jing ZHAO Xueyuan XIE Longsheng QUAN Jinyi YAO Lianmei WANG Guodong ZHENG Yaoqang LIU Xuemei*
College of Life Science, Northeast Forestry University, Harbin 150040, China
关键词:
SPL 花发育 调控作用 开花时间 成花转变 花器官发育
Keywords:
Keywords:SPL(squamosa promoter-binding protein-like) flower development regulation flowering time flowering transition flower organ development
分类号:
Q943.2
DOI:
10.3969/j.issn.1000-2006.201708015
文献标志码:
A
摘要:
SPL(squamosa promoter-binding protein-like)转录因子是植物所特有的一类基因家族,广泛存在于绿色植物中,在植物生长发育中具有重要作用。花发育是植物生殖发育中最为重要的一个过程,涉及不同发育方式的转变,即开花决定、花的发端和花器官发生与发育。简要综述了SPL基因的结构与功能并着重阐述了SPL基因在植物花发育过程中的分子机制及生物学功能。最后总结出: SPL转录因子可直接或间接通过参与光周期途径,赤霉素途径及年龄途径来调控植物的开花时间; SPL基因可通过直接激活下游花分生组织特异基因,如LEAFY(LFY),从而调控植物的成花转变; SPL基因可通过与下游花器官特征基因相互作用来调控花器官及其育性的发育,如调控花序、花柄的长度与外形及花器官的大小; SPL基因可调控植物大小孢子发生及雌雄配子体发育。据拟南芥的相关研究结果,初步构绘出拟南芥开花调控中的分子机制。
Abstract:
Abstract: SPL(squamosa promoter-binding protein-like)transcription factor is a kind of gene family unique to plants. It is widely found in green plants and plays an important role in plant growth and development. Flower development is the most important process in plant reproductive development, including changes in the different developmental patterns, such as flowering determination, flower evocation, and floral organ development. This paper summarized the structure and function of SPL transcriptional factors, and in particular described the molecular mechanism and biological function of the SPL gene during plant flower development. Finally, we concluded that SPL transcription factors can be directly or indirectly involved in the photoperiod pathway, gibberellin pathway, and age pathway to control the flowering time in plants. The SPL gene can directly activate the downstream floral meristem identity genes,such as LEAFY(LFY), which regulate the flowering transition in plants. The SPL gene can regulate floral organ and fertility development by the interaction of downstream floral organ identity genes, such as controlling the length and shape of the inflorescence and pedicel, and the size of floral organ. The SPL gene can also regulate plant microsporogenesis and megasporogenesis, male and female gametophyte development. According to related research results with Arabidopsis, we have preliminarily mapped the molecular mechanism of Arabidopsis flowering regulation.

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备注/Memo

备注/Memo:
基金项目:中央高校基本科研业务费专项基金E类项目(2572015EA05); 国家高技术研究发展计划(2013AA102704) 第一作者:田晶(254242132@qq.com)。*通信作者:刘雪梅(695898040@qq.com),教授 。
更新日期/Last Update: 2018-06-06