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Plant Sci


Title:An ultraviolet B condition that affects growth and defense in Arabidopsis
Author(s):Vandenbussche F; Yu N; Li W; Vanhaelewyn L; Hamshou M; Van Der Straeten D; Smagghe G;
Address:"Laboratory of Functional Plant Biology, Department of Biology, Faculty of Sciences, Ghent University, KL Ledeganckstraat 35, B-9000 Ghent, Belgium. Electronic address: Filip.Vandenbussche@ugent.be. Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Weigang 1, Nanjing 210095, China; Laboratory of Agrozoology, Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Coupure links 653, B-9000 Ghent, Belgium. Laboratory of Agrozoology, Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Coupure links 653, B-9000 Ghent, Belgium. Laboratory of Functional Plant Biology, Department of Biology, Faculty of Sciences, Ghent University, KL Ledeganckstraat 35, B-9000 Ghent, Belgium"
Journal Title:Plant Sci
Year:2018
Volume:20171220
Issue:
Page Number:54 - 63
DOI: 10.1016/j.plantsci.2017.12.005
ISSN/ISBN:1873-2259 (Electronic) 0168-9452 (Linking)
Abstract:"Ultraviolet B light (UV-B, 280-315?ª+nm) is the shortest wavelength of the solar spectrum reaching the surface of the Earth. It has profound effects on plants, ranging from growth regulation to severe metabolic changes. Low level UV-B mainly causes photomorphogenic effects while higher levels can induce stress, yet these effects tend to overlap. Here we identified a condition that allows growth reduction without obvious detrimental stress in wild type Arabidopsis rosette plants. This condition was used to study the effects of a daily UV-B dose on plant characteristics of UV-B adapted plants in detail. Exploration of the transcriptome of developing leaves indicated downregulation of genes involved in stomata formation by UV-B, while at the same time genes involved in photoprotective pigment biosynthesis were upregulated. These findings correspond with a decreased stomatal density and increased UV-B absorbing pigments. Gene ontology analysis revealed upregulation of defense related genes and meta-analysis showed substantial overlap of the UV-B regulated transcriptome with transcriptomes of salicylate and jasmonate treated as well as herbivore exposed plants. Feeding experiments showed that caterpillars of Spodoptera littoralis are directly affected by UV-B, while performance of the aphid Myzus persicae is diminished by a plant mediated process"
Keywords:"Animals Aphids/physiology Arabidopsis/*growth & development/*immunology/radiation effects Biomarkers/metabolism Gene Expression Regulation, Plant/radiation effects Herbivory/radiation effects Plant Leaves/genetics/radiation effects Plant Stomata/genetics/;"
Notes:"MedlineVandenbussche, Filip Yu, Na Li, Weidong Vanhaelewyn, Lucas Hamshou, Mohamad Van Der Straeten, Dominique Smagghe, Guy eng Ireland 2018/01/25 Plant Sci. 2018 Mar; 268:54-63. doi: 10.1016/j.plantsci.2017.12.005. Epub 2017 Dec 20"

 
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