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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Gao, Ying Zan, Xin-Li Wu, Xue-Feng Yao, Lei Chen, Yu-Ling Jia, Shuang-Wei Zhao, Kai-Jun |
| Description | Author Affiliation: Gao Y ( Key Laboratory of Crop Genetics and Breeding, Ministry of Agriculture, National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, PR China.); Zan XL ( Key Laboratory of Crop Genetics and Breeding, Ministry of Agriculture, National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, PR China); Wu XF ( Key Laboratory of Crop Genetics and Breeding, Ministry of Agriculture, National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, PR China.); Yao L ( Beijing Agricultural Biotechnology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, PR China.); Chen YL ( College of Life Science, Hebei Normal University, Shijiazhuang 050024, Heibei, PR China.); Jia SW ( Key Laboratory of Crop Genetics and Breeding, Ministry of Agriculture, National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, PR China.); Zhao KJ ( Key Laboratory of Crop Genetics and Breeding, Ministry of Agriculture, National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, PR China. Electronic address: zhaokaijun@caas.cn.) |
| Abstract | Chitinases are a group of pathogenesis-related proteins. The Brassica juncea chitinase gene BjCHI1 is highly inducible by pathogenic fungal infection, suggesting that the promoter of BjCHI1 might contain specific cis-acting element responsive to fungal attack. To identify the fungus-responsive element in BjCHI1 promoter (BjC-P), a series of binary plant transformation vectors were constructed by fusing the BjC-P or its deletion-derivatives to ß-glucuronidase (GUS) reporter gene. Expression of the GUS reporter gene was systematically assayed by a transient gene expression system in Nicotiana benthamiana leaves treated with fungal elicitor Hexa-N-Acetyl-Chitohexaose, as well as in transgenic Arabidopsis plants inoculated with fungus Botrytis cinerea. The histochemical and quantitative GUS assays showed that the W-box-like element (GTAGTGACTCAT) in the region (-668 to -657) was necessary for the fungus-response, although there were another five W-box-like elements in BjC-P. In addition, gain-of-function analysis demonstrated that the fragment (-409 to -337) coupled to the W-box-like element was needed for full magnitude of the fungal induction. These results revealed the existence of a novel regulation mechanism of W-box-like element involved in plant pathogenic resistance, and will benefit the potential application of BjC-P in engineering crops. |
| File Format | HTM / HTML |
| ISSN | 01689452 |
| Volume Number | 215-216 |
| e-ISSN | 18732259 |
| Journal | Plant Science |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-02-01 |
| Publisher Place | Ireland |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Botany Chitinase Genetics Disease Resistance Gene Expression Regulation, Plant Genes, Plant Mustard Plant Promoter Regions, Genetic Regulatory Sequences, Nucleic Acid Arabidopsis Microbiology Botrytis Metabolism Genes, Reporter Glucuronidase Oligosaccharides Pharmacology Plant Diseases Plant Proteins Plants, Genetically Modified Tobacco Drug Effects Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Plant Science Medicine Agronomy and Crop Science |
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