Exogenous Dopamine and MdTyDC Overexpression Enhance Apple Resistance to Fusarium solani
| العنوان: | Exogenous Dopamine and MdTyDC Overexpression Enhance Apple Resistance to Fusarium solani |
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| المؤلفون: | Yusong Liu, Qianwei Liu, Xuewen Li, Zhongwen Tang, Zhijun Zhang, Hanbing Gao, Fengwang Ma, Chao Li |
| المصدر: | Phytopathology®. 112:2503-2513 |
| بيانات النشر: | Scientific Societies, 2022. |
| سنة النشر: | 2022 |
| مصطلحات موضوعية: | Plant Science, Agronomy and Crop Science |
| الوصف: | Fusarium solani, one of the main pathogenic fungi involved in apple replant disease (ARD), is a serious threat to apple growth and development. Dopamine and tyrosine decarboxylase (TyDC), a key enzyme in the dopamine synthesis pathway, have been reported to play an active role in plant responses to biotic and abiotic stresses, but little is known about the functions of dopamine and Malus domestica TyDC ( MdTyDC) in the interaction between F. solani and apple roots. In this study, seedlings treated with exogenous dopamine and apple plants overexpressing MdTyDC were inoculated with F. solani; both treatments reduced the root system damage caused by F. solani. After inoculation with F. solani, exogenous dopamine increased dopamine content in the seedlings; alleviated the inhibition of biomass accumulation; increased root metabolic activity, photosynthetic efficiency, and antioxidant enzyme activities; reduced reactive oxygen species accumulation; and upregulated the expression of genes encoding chitinase, β-1,3-glucanase, and pathogenesis-related proteins. Similar results were observed in MdTyDC-overexpressing apple plants. In addition, the overexpression of MdTyDC increased tyramine content and the deposition of cell wall-bound amines in roots. Overall, our results reveal that exogenous dopamine and overexpression of MdTyDC enhance apple resistance to F. solani, which is an important application for the prevention of ARD. |
| تدمد: | 1943-7684 0031-949X |
| DOI: | 10.1094/phyto-04-22-0142-r |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::d3a0b94ccfb5a642a45cc2176d037fdc https://doi.org/10.1094/phyto-04-22-0142-r |
| رقم الانضمام: | edsair.doi...........d3a0b94ccfb5a642a45cc2176d037fdc |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 19437684 0031949X |
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| DOI: | 10.1094/phyto-04-22-0142-r |