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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Satoh, Masanori Tokaji, Yoshihito Nagano, Atsushi J. Hara-Nishimura, Ikuko Hayashi, Makoto Nishimura, Mikio Ohta, Hiroyuki Masuda, Shinji |
| Description | Country affiliation: Japan Author Affiliation: Satoh M ( Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama 226-8501, Japan.); Tokaji Y ( Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama 226-8501, Japan.); Nagano AJ ( Center for Ecological Research, Kyoto University, Shiga 520-2113, Japan); Hara-Nishimura I ( Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan.); Hayashi M ( Department of Bioscience, Nagahama Institute of Bio-Science and Technology, Tamura 1266, Nagahama, Shiga, 526-0829 Japan.); Nishimura M ( Department of Cell Biology, National Institute for Basic Biology, Okazaki 444-0867, Japan.); Ohta H ( Center for Biological Resources and Informatics, Tokyo Institute of Technology, Yokohama 226-8503, Japan); Masuda S ( Center for Biological Resources and Informatics, Tokyo Institute of Technology, Yokohama 226-8503, Japan) |
| Abstract | Plant oxylipins derive from oxygenation of polyunsaturated fatty acids in thylakoid membranes and oxylipins such as jasmonic acid (JA) and 12-oxo-phytodienoic acid (OPDA) play important roles in adaptation to photo-oxidative stress. OPDA functions both as a JA precursor and as a biologically active signaling molecule that induces expression of a specific set of genes. These genes can be induced by OPDA in the JA-insensitive coronatine insensitive1 (coi1) mutant, suggesting that there is an alternative pathway for OPDA signaling, independent of COI1-dependent JA signaling. However, little is known about OPDA signaling in photo-oxidative stress responses. In this study, we isolated Arabidopsis mutants with constitutively enhanced expression from the OPDA-responsive HsfA2 promoter. We used deletion mapping and complementation analysis to identify one responsible gene as CATALASE2. Our results thus indicate that ROS-producing cellular metabolism links to OPDA signaling. |
| File Format | HTM / HTML |
| ISSN | 09819428 |
| Volume Number | 81 |
| e-ISSN | 18732690 |
| Journal | Plant Physiology and Biochemistry |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-08-01 |
| Publisher Place | France |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Botany Discipline Biochemistry Arabidopsis Proteins Genetics Arabidopsis Physiology Gene Expression Regulation, Plant Oxylipins Metabolism Signal Transduction Adaptation, Physiological Radiation Effects Cyclopentanes Dna-binding Proteins Fatty Acids, Unsaturated Genetic Complementation Test Heat-shock Proteins Heat-shock Response Light Oxidation-reduction Oxidative Stress Plant Growth Regulators Plant Proteins Plants, Genetically Modified Promoter Regions, Genetic Reactive Oxygen Species Sequence Deletion Thylakoids Transcription Factors Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Physiology Plant Science |
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