microRNA-mediated R gene regulation: molecular scabbards for double-edged swords
| العنوان: | microRNA-mediated R gene regulation: molecular scabbards for double-edged swords |
|---|---|
| المؤلفون: | Feng Li, Yingtian Deng, Xiaofei Li, Minglei Liu |
| المصدر: | Science China. Life sciences. 61(2) |
| سنة النشر: | 2017 |
| مصطلحات موضوعية: | 0301 basic medicine, Crops, Agricultural, NLR Proteins, Plant disease resistance, Biology, Genome, General Biochemistry, Genetics and Molecular Biology, 03 medical and health sciences, Gene Expression Regulation, Plant, microRNA, Gene expression, Plant Immunity, Gene, General Environmental Science, Disease Resistance, Plant Diseases, Plant Proteins, Genetics, Innate immune system, Effector, food and beverages, R gene, Biological Evolution, MicroRNAs, 030104 developmental biology, General Agricultural and Biological Sciences |
| الوصف: | Plant resistance (R) proteins are immune receptors that recognize pathogen effectors and trigger rapid defense responses, namely effector-triggered immunity. R protein-mediated pathogen resistance is usually race specific. During plant-pathogen coevolution, plant genomes accumulated large numbers of R genes. Even though plant R genes provide important natural resources for breeding disease-resistant crops, their presence in the plant genome comes at a cost. Misregulation of R genes leads to developmental defects, such as stunted growth and reduced fertility. In the past decade, many microRNAs (miRNAs) have been identified to target various R genes in plant genomes. miRNAs reduce R gene levels under normal conditions and allow induction of R gene expression under various stresses. For these reasons, we consider R genes to be double-edged “swords” and miRNAs as molecular “scabbards”. In the present review, we summarize the contributions and potential problems of these “swords” and discuss the features and production of the “scabbards”, as well as the mechanisms used to pull the “sword” from the “scabbard” when needed. |
| تدمد: | 1869-1889 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72466d733bc75ad063ee5ba462cfa795 https://pubmed.ncbi.nlm.nih.gov/29327329 |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi.dedup.....72466d733bc75ad063ee5ba462cfa795 |
| قاعدة البيانات: | OpenAIRE |
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