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H2O2 regulates root system architecture by modulating the polar transport and redistribution of auxin
Su, Chao1,2; Liu, Liu1,2; Liu, Haipei3; Ferguson, Brett J.4; Zou, Yanmin1; Zhao, Yankun5; Wang, Tao6; Wang, Youning3; Li, Xia3
2016-06-01
发表期刊JOURNAL OF PLANT BIOLOGY
ISSN1226-9239
文章类型Article
卷号59期号:3页码:260-270
摘要The accumulation and redistribution of the plant hormone auxin plays a crucial role in root development and patterning. Plants can alter their root system architecture (RSA) to adapt to different biotic and abiotic stresses. In addition, reactive oxygen species (ROS), such as H2O2, are known to increase in plants undergoing stress. Here, we present evidence that H2O2 can regulate auxin accumulation and redistribution through modulating polar auxin transport, leading to changes in RSA. Plants exposed to different concentrations of H2O2 formed a highly branched root system with abundant lateral roots and a shorter primary root. Monitoring of the auxin responsive DR5::GUS indicated that auxin accumulation decreased in lateral root primordia (LRP) and emerging lateral root tips. In addition, polar auxin transport, including both basipetal and acropetal transport modulated by AUX1 and PIN protein carriers, was involved in the process. Taken together, our results suggest that H2O2 could regulate plastic RSA by perturbing polar auxin transport as a means of modulating the accumulation and distribution of auxin.
关键词Auxin Auxin Redistribution H2o2 Polar Auxin Transport Root System Architecture
DOI10.1007/s12374-016-0052-1
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(31100193) ; Youth Innovation Promotion Association, CAS
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000377411800007
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]ARABIDOPSIS-THALIANA ; OXIDATIVE STRESS ; SALT STRESS ; TRANSCRIPTIONAL REGULATION ; ENVIRONMENTAL SIGNALS ; HYDROGEN-PEROXIDE ; ABIOTIC STRESS ; PLANT ; GROWTH ; RESPONSES
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/19951
专题健康与遗传心理学研究室
作者单位1.Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Res Resources, State Key Lab Plant Cell & Chromosome Engn, 286 Huaizhong Rd, Shijiazhuang 050021, Hebei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Huazhong Agr Univ, Coll Plant Sci & Technol, State Key Lab Agr Microbiol, Wuhan 430070, Peoples R China
4.Univ Queensland, Sch Agr & Food Sci, Ctr Integrat Legume Res, Brisbane, Qld 4072, Australia
5.Shijiazhuang Acad Agr & Forestry Sci, Shijiazhuang 050041, Hebei, Peoples R China
6.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
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Su, Chao,Liu, Liu,Liu, Haipei,et al. H2O2 regulates root system architecture by modulating the polar transport and redistribution of auxin[J]. JOURNAL OF PLANT BIOLOGY,2016,59(3):260-270.
APA Su, Chao.,Liu, Liu.,Liu, Haipei.,Ferguson, Brett J..,Zou, Yanmin.,...&Li, Xia.(2016).H2O2 regulates root system architecture by modulating the polar transport and redistribution of auxin.JOURNAL OF PLANT BIOLOGY,59(3),260-270.
MLA Su, Chao,et al."H2O2 regulates root system architecture by modulating the polar transport and redistribution of auxin".JOURNAL OF PLANT BIOLOGY 59.3(2016):260-270.
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