globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1701536114
论文题名:
Molecular link between auxin and ROS-mediated polar growth
作者: Mangano S.; Denita-Juarez S.P.; Choi H.S.; Marzol E.; Hwang Y.; Ranocha P.; Velasquez S.M.; Borassi C.; Barberini M.L.; Aptekmann A.A.; Muschietti J.P.; Nadra A.D.; Dunand C.; Cho H.-T.; Estevez J.M.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2017
卷: 114, 期:20
起始页码: 5289
结束页码: 5294
语种: 英语
英文关键词: Auxin ; Peroxidases ; Root hair growth ; ROS ; RSL4
Scopus关键词: auxin ; reactive oxygen metabolite ; reduced nicotinamide adenine dinucleotide phosphate oxidase ; transcription factor ; transcription factor RSL4 ; unclassified drug ; Arabidopsis protein ; basic helix loop helix transcription factor ; indoleacetic acid derivative ; peroxidase ; reactive oxygen metabolite ; reduced nicotinamide adenine dinucleotide phosphate oxidase ; RSL4 protein, Arabidopsis ; superoxide-forming enzyme ; transcription factor ; Arabidopsis ; Article ; cell size ; gene expression ; hair growth ; nonhuman ; priority journal ; root hair ; upregulation ; gene expression regulation ; genetics ; growth, development and aging ; metabolism ; plant root ; Arabidopsis ; Arabidopsis Proteins ; Basic Helix-Loop-Helix Transcription Factors ; Gene Expression Regulation, Plant ; Indoleacetic Acids ; NADPH Oxidases ; Peroxidases ; Plant Roots ; Reactive Oxygen Species ; Transcription Factors
英文摘要: Root hair polar growth is endogenously controlled by auxin and sustained by oscillating levels of reactive oxygen species (ROS). These cells extend several hundred-fold their original size toward signals important for plant survival. Although their final cell size is of fundamental importance, the molecular mechanisms that control it remain largely unknown. Here we show that ROS production is controlled by the transcription factor RSL4, which in turn is transcriptionally regulated by auxin through several auxin response factors (ARFs). In this manner, auxin controls ROS-mediated polar growth by activating RSL4, which then up-regulates the expression of genes encoding NADPH oxidases (also known as RESPIRATORY BURST OXIDASE HOMOLOG proteins) and class III peroxidases, which catalyze ROS production. Chemical or genetic interference with ROS balance or peroxidase activity affects root hair final cell size. Overall, our findings establish amolecular link between auxin and ROS-mediated polar root hair growth.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163843
Appears in Collections:气候变化与战略

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作者单位: Mangano, S., Fundación Instituto Leloir, Buenos Aires, C1405BWE, Argentina, IIBBA-CONICET, Buenos Aires, C1405BWE, Argentina, Instituto de Fisiología, Biología Molecular y Neurociencias, IFIByNE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina; Denita-Juarez, S.P., Fundación Instituto Leloir, Buenos Aires, C1405BWE, Argentina, IIBBA-CONICET, Buenos Aires, C1405BWE, Argentina, Instituto de Fisiología, Biología Molecular y Neurociencias, IFIByNE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina; Choi, H.S., Department of Biological Sciences, Seoul National University, Seoul, 151-742, South Korea; Marzol, E., Fundación Instituto Leloir, Buenos Aires, C1405BWE, Argentina, IIBBA-CONICET, Buenos Aires, C1405BWE, Argentina, Instituto de Fisiología, Biología Molecular y Neurociencias, IFIByNE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina; Hwang, Y., Department of Biological Sciences, Seoul National University, Seoul, 151-742, South Korea; Ranocha, P., Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, Université Paul Sabatier, UMR 5546, CNRS, Castanet-Tolosan, F-31326, France; Velasquez, S.M., Fundación Instituto Leloir, Buenos Aires, C1405BWE, Argentina, IIBBA-CONICET, Buenos Aires, C1405BWE, Argentina, Instituto de Fisiología, Biología Molecular y Neurociencias, IFIByNE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina, Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, 1190, Austria; Borassi, C., Fundación Instituto Leloir, Buenos Aires, C1405BWE, Argentina, IIBBA-CONICET, Buenos Aires, C1405BWE, Argentina, Instituto de Fisiología, Biología Molecular y Neurociencias, IFIByNE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina; Barberini, M.L., Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres, INGEBI-CONICET, Buenos Aires, 1428, Argentina; Aptekmann, A.A., Departamento de Química Biológica, IQUIBICEN-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina; Muschietti, J.P., Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres, INGEBI-CONICET, Buenos Aires, 1428, Argentina, Departamento de Biodiversidad y Biologóa Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina; Nadra, A.D., Departamento de Química Biológica, IQUIBICEN-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina; Dunand, C., Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, Université Paul Sabatier, UMR 5546, CNRS, Castanet-Tolosan, F-31326, France; Cho, H.-T., Department of Biological Sciences, Seoul National University, Seoul, 151-742, South Korea; Estevez, J.M., Fundación Instituto Leloir, Buenos Aires, C1405BWE, Argentina, IIBBA-CONICET, Buenos Aires, C1405BWE, Argentina, Instituto de Fisiología, Biología Molecular y Neurociencias, IFIByNE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina

Recommended Citation:
Mangano S.,Denita-Juarez S.P.,Choi H.S.,et al. Molecular link between auxin and ROS-mediated polar growth[J]. Proceedings of the National Academy of Sciences of the United States of America,2017-01-01,114(20)
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