Overexpression of MdATG18a in apple improves resistance to Diplocarpon mali infection by enhancing antioxidant activity and salicylic acid levels
Improving resistance to apple blotch disease Apple plants that express high levels of a gene involved in the destruction of damaged and redundant cell components demonstrate improved resistance to a serious fungal infection. Fengwang Ma and colleagues of China’s Northwest A&F University in Shaan...
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2018-11-01
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Online Access: | https://doi.org/10.1038/s41438-018-0059-5 |
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doaj-eee3ca4dba364609b546d376e1617c5a2020-12-07T23:36:43ZengNature Publishing GroupHorticulture Research2052-72762018-11-015111010.1038/s41438-018-0059-5Overexpression of MdATG18a in apple improves resistance to Diplocarpon mali infection by enhancing antioxidant activity and salicylic acid levelsXun Sun0Liuqing Huo1Xin Jia2Runmin Che3Xiaoqing Gong4Ping Wang5Fengwang Ma6State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F UniversityState Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F UniversityState Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F UniversityState Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F UniversityState Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F UniversityState Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F UniversityState Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F UniversityImproving resistance to apple blotch disease Apple plants that express high levels of a gene involved in the destruction of damaged and redundant cell components demonstrate improved resistance to a serious fungal infection. Fengwang Ma and colleagues of China’s Northwest A&F University in Shaanxi examined the effect of overexpressing the gene MdATG18a on Diplocarpon mali fungal infection in apple plants. This gene was previously found to promote drought tolerance in apple plants and is known for its involvement in autophagy, an immune response to infection that removes damaged cell organelles. The researchers found that plants overexpressing MdATG18a were more resistant to developing Marssonina apple blotch disease compared to wild apple plants, most likely due to improvements in autophagy activity. The team concludes that strategies designed to induce autophagy could improve apple resistance to fungal infection.https://doi.org/10.1038/s41438-018-0059-5 |
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DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Xun Sun Liuqing Huo Xin Jia Runmin Che Xiaoqing Gong Ping Wang Fengwang Ma |
spellingShingle |
Xun Sun Liuqing Huo Xin Jia Runmin Che Xiaoqing Gong Ping Wang Fengwang Ma Overexpression of MdATG18a in apple improves resistance to Diplocarpon mali infection by enhancing antioxidant activity and salicylic acid levels Horticulture Research |
author_facet |
Xun Sun Liuqing Huo Xin Jia Runmin Che Xiaoqing Gong Ping Wang Fengwang Ma |
author_sort |
Xun Sun |
title |
Overexpression of MdATG18a in apple improves resistance to Diplocarpon mali infection by enhancing antioxidant activity and salicylic acid levels |
title_short |
Overexpression of MdATG18a in apple improves resistance to Diplocarpon mali infection by enhancing antioxidant activity and salicylic acid levels |
title_full |
Overexpression of MdATG18a in apple improves resistance to Diplocarpon mali infection by enhancing antioxidant activity and salicylic acid levels |
title_fullStr |
Overexpression of MdATG18a in apple improves resistance to Diplocarpon mali infection by enhancing antioxidant activity and salicylic acid levels |
title_full_unstemmed |
Overexpression of MdATG18a in apple improves resistance to Diplocarpon mali infection by enhancing antioxidant activity and salicylic acid levels |
title_sort |
overexpression of mdatg18a in apple improves resistance to diplocarpon mali infection by enhancing antioxidant activity and salicylic acid levels |
publisher |
Nature Publishing Group |
series |
Horticulture Research |
issn |
2052-7276 |
publishDate |
2018-11-01 |
description |
Improving resistance to apple blotch disease Apple plants that express high levels of a gene involved in the destruction of damaged and redundant cell components demonstrate improved resistance to a serious fungal infection. Fengwang Ma and colleagues of China’s Northwest A&F University in Shaanxi examined the effect of overexpressing the gene MdATG18a on Diplocarpon mali fungal infection in apple plants. This gene was previously found to promote drought tolerance in apple plants and is known for its involvement in autophagy, an immune response to infection that removes damaged cell organelles. The researchers found that plants overexpressing MdATG18a were more resistant to developing Marssonina apple blotch disease compared to wild apple plants, most likely due to improvements in autophagy activity. The team concludes that strategies designed to induce autophagy could improve apple resistance to fungal infection. |
url |
https://doi.org/10.1038/s41438-018-0059-5 |
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