Manganese Toxicity Inhibited Root Growth by Disrupting Auxin Biosynthesis and Transport in Arabidopsis

doi:10.3389/fpls.2017.00272

NWIPB OpenIR

	Manganese Toxicity Inhibited Root Growth by Disrupting Auxin Biosynthesis and Transport in Arabidopsis
	Zhao, Jingjing 1; Wang, Wenying 2; Zhou, Huakun 3; Wang, Ruling 1; Zhang, Ping 1; Wang, Huichun 2; Pan, Xiangliang 4; Xu, Jin 1
	2017-03-03
发表期刊	FRONTIERS IN PLANT SCIENCE
卷号	8 页码:1-8
文章类型	Article
摘要	Mn toxicity inhibits both primary root (PR) growth and lateral root development. However, the mechanism underlying Mn-mediated root growth inhibition remains to be further elucidated. Here, we investigated the role of auxin in Mn-mediated inhibition of PR growth in Arabidopsis using physiological and genetic approaches. Mn toxicity inhibits PR elongation by reducing meristematic cell division potential. Mn toxicity also reduced auxin levels in root tips by reducing IAA biosynthesis and down-regulating the expression of auxin efflux carriers PIN4 and PIN7. Loss of function pin4 and pin7 mutants showed less inhibition of root growth than col-0 seedlings. These results indicated that this inhibitory effect of Mn toxicity on PR growth was mediated by affecting auxin biosynthesis and the expression of auxin efflux transporters PIN4 and PIN7.
关键词	Manganese (Mn) Toxicity Auxin Accumulation Auxin Efflux Carriers Primary Root Growth Arabidopsis
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
DOI	10.3389/fpls.2017.00272
关键词[WOS]	ACCUMULATION ; TOLERANCE ; GRADIENTS ; STRESS ; RICE
收录类别	SCI
语种	英语
项目资助者	Key Project of State Key Laboratory of Desert and Oasis Ecology ; Xinjiang Institute of Ecology and Geography of Chinese Academy of Sciences ; National Key Research and Development Program of China(2016YFC0501901) ; China National Natural Sciences Foundation(31170228 ; Yunnan Province Foundation(2014HB043) ; 31272239 ; 31260127)
WOS研究方向	Plant Sciences
WOS类目	Plant Sciences
WOS记录号	WOS:000395339500001
引用统计	被引频次：48[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/6787
专题	中国科学院西北高原生物研究所
作者单位	1.Chinese Acad Sci, Key Lab Trop Plant Resources & Sustainable Use, Xishuangbanna Trop Bot Garden, Kunming, Peoples R China 2.Qinghai Normal Univ, Coll Life Sci & Geog, Xining, Peoples R China 3.Chinese Acad Sci, Northwest Inst Plateau Biol, Xining, Peoples R China 4.Zhejiang Univ Technol, Coll Environm, Hangzhou, Zhejiang, Peoples R China
推荐引用方式 GB/T 7714	Zhao, Jingjing,Wang, Wenying,Zhou, Huakun,et al. Manganese Toxicity Inhibited Root Growth by Disrupting Auxin Biosynthesis and Transport in Arabidopsis[J]. FRONTIERS IN PLANT SCIENCE,2017,8:1-8.
APA	Zhao, Jingjing.,Wang, Wenying.,Zhou, Huakun.,Wang, Ruling.,Zhang, Ping.,...&Xu, Jin.(2017).Manganese Toxicity Inhibited Root Growth by Disrupting Auxin Biosynthesis and Transport in Arabidopsis.FRONTIERS IN PLANT SCIENCE,8,1-8.
MLA	Zhao, Jingjing,et al."Manganese Toxicity Inhibited Root Growth by Disrupting Auxin Biosynthesis and Transport in Arabidopsis".FRONTIERS IN PLANT SCIENCE 8(2017):1-8.