Mechanical regulation of organ asymmetry in leaves | |
Qi, Jiyan; Wu, Binbin; Feng, Shiliang; Lv SQ(吕守芹); Guan, Chunmei; Zhang, Xiao; Qiu, Dengli; Hu, Yingchun; Zhou, Yihua; Li, Chuanyou; Long M(龙勉); Jiao, Yuling; Jiao, YL (reprint author), Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Plant Genom, Beijing 100101, Peoples R China.; Jiao, YL (reprint author), Natl Ctr Plant Gene Res, Beijing 100101, Peoples R China.; Long, M; Jiao, YL (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.; Long, M (reprint author), Chinese Acad Sci, Ctr Biomech & Bioengn, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100190, Peoples R China.; Long, M (reprint author), Chinese Acad Sci, Beijing Key Lab Engn Construct & Mechanobiol, Inst Mech, Beijing 100190, Peoples R China. | |
发表期刊 | NATURE PLANTS |
2017-09-01 | |
卷号 | 3期号:9页码:724-733 |
ISSN | 2055-026X |
摘要 | How appendages, such as plant leaves or animal limbs, develop asymmetric shapes remains a fundamental question in biology. Although ongoing research has revealed the genetic regulation of organ pattern formation, how gene activity ultimately directs organ shape remains unclear. Here, we show that leaf dorsoventral (adaxial-abaxial) polarity signals lead to mechanical heterogeneity of the cell wall, related to the methyl-esterification of cell-wall pectins in tomato and Arabidopsis. Numerical simulations predicate that mechanical heterogeneity is sufficient to produce the asymmetry seen in planar leaves. Experimental tests that alter pectin methyl-esterification, and therefore cell wall mechanical properties, support this model and lead to polar changes in gene expression, suggesting the existence of a feedback mechanism for mechanical signals in morphogenesis. Thus, mechanical heterogeneity within tissue may underlie organ shape asymmetry. |
DOI | 10.1038/s41477-017-0008-6 |
URL | 查看原文 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000409382800008 |
关键词[WOS] | SHOOT APICAL MERISTEM ; PLANT-CELL GROWTH ; ARABIDOPSIS-THALIANA ; MONOCLONAL-ANTIBODIES ; HOMEOBOX GENES ; WALL ; POLARITY ; PATTERNS ; AUXIN ; MORPHOGENESIS |
WOS研究方向 | Plant Sciences |
WOS类目 | Plant Sciences |
项目资助者 | National Natural Science Foundation of China(31430010 ; National Basic Research Program of China (973 Program)(2014CB943500 ; National Key Research and Development Program of China(2016YFA0501601) ; National Program for Support of Top-Notch Young Professionals ; China Postdoctoral Science Foundation(2015M570171) ; State Key Laboratory of Plant Genomics ; 31627804) ; 2011CB710900) |
课题组名称 | NML分子-细胞生物力学与空间生命科学 |
论文分区 | 一类 |
力学所作者排名 | 1 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/70044 |
专题 | 微重力重点实验室 |
通讯作者 | Jiao, YL (reprint author), Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Plant Genom, Beijing 100101, Peoples R China.; Jiao, YL (reprint author), Natl Ctr Plant Gene Res, Beijing 100101, Peoples R China.; Long, M; Jiao, YL (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.; Long, M (reprint author), Chinese Acad Sci, Ctr Biomech & Bioengn, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100190, Peoples R China.; Long, M (reprint author), Chinese Acad Sci, Beijing Key Lab Engn Construct & Mechanobiol, Inst Mech, Beijing 100190, Peoples R China. |
推荐引用方式 GB/T 7714 | Qi, Jiyan,Wu, Binbin,Feng, Shiliang,et al. Mechanical regulation of organ asymmetry in leaves[J]. NATURE PLANTS,2017,3,9,:724-733. |
APA | Qi, Jiyan.,Wu, Binbin.,Feng, Shiliang.,Lv SQ.,Guan, Chunmei.,...&Long, M .(2017).Mechanical regulation of organ asymmetry in leaves.NATURE PLANTS,3(9),724-733. |
MLA | Qi, Jiyan,et al."Mechanical regulation of organ asymmetry in leaves".NATURE PLANTS 3.9(2017):724-733. |
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