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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
Source PublicationFRONTIERS IN PLANT SCIENCE
ISSN1664-462X
Volume9
SubtypeArticle
AbstractUltraviolet (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.
KeywordUltraviolet (Uv)-b Root Bending Tropism Auxin Flavonoids
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.3389/fpls.2018.00618
WOS KeywordPLANT DEVELOPMENT ; AUX/IAA PROTEINS ; TRANSPORT ; GROWTH ; GRAVITROPISM ; EFFLUX ; RESPONSES ; GENES ; LIGHT ; PHOTOTROPISM
Indexed BySCI
Language英语
Funding OrganizationNational 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 Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000432377100001
PublisherFRONTIERS MEDIA SA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/13815
Collection中国科学院西北高原生物研究所
Corresponding AuthorXu, Jin
Affiliation1.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
Recommended Citation
GB/T 7714
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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