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UV-B Radiation Induces Root Bending Through the Flavonoid-Mediated Auxin Pathway in Arabidopsis
Wan, Jinpeng1,3; Zhang, Ping1,3; Wang, Ruling1; Sun, Liangliang1; Wang, Wenying4; Zhou, Huakun2; Xu, Jin1
2018-05-17
发表期刊FRONTIERS IN PLANT SCIENCE
ISSN1664-462X
卷号9
文章类型Article
摘要Ultraviolet (UV)-B radiation-induced root bending has been reported, however, the underlying mechanisms largely remain unclear Here, we investigate whether and how auxin and flavonoids are involved in UV-B radiation induced root bending in Arabidopsis using physiological, pharmacological, and genetic approaches UV-B radiation modulated the direction of root growth by decreasing IAA biosynthesis and affecting auxin distribution in the root tips, where reduced auxin accumulation and asymmetric auxin distribution were observed UV-B radiation increased the distribution of auxin on the nonradiated side of the root tips, promoting growth and causing root bending Further analysis indicated that UV-B induced an asymmetric accumulation of flavonoids, this pathway is involved in modulating the accumulation and asymmetric distribution of auxin in root tips and the subsequent redirection of root growth by altering the distribution of auxin carriers in response to UV-B radiation Taken together, our results indicate that UV-B radiation-induced root bending occurred through a flavonoid mediated phototropic response to UV-B radiation.
关键词Ultraviolet (Uv)-b Root Bending Tropism Auxin Flavonoids
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.3389/fpls.2018.00618
关键词[WOS]PLANT DEVELOPMENT ; AUX/IAA PROTEINS ; TRANSPORT ; GROWTH ; GRAVITROPISM ; EFFLUX ; RESPONSES ; GENES ; LIGHT ; PHOTOTROPISM
收录类别SCI
语种英语
项目资助者National Key Research and Development Program of China(2016YFC0501901) ; China National Natural Sciences Foundation(31772383 ; Qinghai innovation platform construction project(2017-ZJ-Y20) ; Yunnan Province Foundation for academic leader(2014HB043) ; 31272239)
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000432377100001
出版者FRONTIERS MEDIA SA
引用统计
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/13815
专题中国科学院西北高原生物研究所
通讯作者Xu, Jin
作者单位1.Chinese Acad Sci, Key Lab Trop Plant Resources & Sustainable Use, Xishuangbanna Trop Bot Garden, Mengla, Peoples R China
2.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Restorat Ecol Cold Area Qinghai Prov, Xining, Qinghai, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Qinghai Normal Univ, Coll Life Sci, Xining, Qinghai, Peoples R China
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Wan, Jinpeng,Zhang, Ping,Wang, Ruling,et al. UV-B Radiation Induces Root Bending Through the Flavonoid-Mediated Auxin Pathway in Arabidopsis[J]. FRONTIERS IN PLANT SCIENCE,2018,9.
APA Wan, Jinpeng.,Zhang, Ping.,Wang, Ruling.,Sun, Liangliang.,Wang, Wenying.,...&Xu, Jin.(2018).UV-B Radiation Induces Root Bending Through the Flavonoid-Mediated Auxin Pathway in Arabidopsis.FRONTIERS IN PLANT SCIENCE,9.
MLA Wan, Jinpeng,et al."UV-B Radiation Induces Root Bending Through the Flavonoid-Mediated Auxin Pathway in Arabidopsis".FRONTIERS IN PLANT SCIENCE 9(2018).
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