Exogenously applied methyl jasmonate increased the resistance of postharvest pear fruit to blue mold
Methyl jasmonate (MeJA) is a plant-signalling molecule that plays significant roles in stress reactions and defence responses. The goal of this study was to characterize the effects of exogenous MeJA application on the resistance of postharvest pear fruit to blue mould rot caused by Penicillium expa...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Maximum Academic Press
2022-01-01
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| Series: | Fruit Research |
| Subjects: | |
| Online Access: | https://www.maxapress.com/article/doi/10.48130/FruRes-2022-0011 |
| _version_ | 1797293195791433728 |
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| author | Ming Chen Zhenyu Luo Xianyang Zhao Shucheng Li Fan Wu Jinyin Chen Miaolian Xiang |
| author_facet | Ming Chen Zhenyu Luo Xianyang Zhao Shucheng Li Fan Wu Jinyin Chen Miaolian Xiang |
| author_sort | Ming Chen |
| collection | DOAJ |
| description | Methyl jasmonate (MeJA) is a plant-signalling molecule that plays significant roles in stress reactions and defence responses. The goal of this study was to characterize the effects of exogenous MeJA application on the resistance of postharvest pear fruit to blue mould rot caused by Penicillium expansum and investigate the mechanism underlying the observed effects of MeJA application. MeJA treatment effectively reduced the lesion diameter of blue mould rot in pear fruit. Furthermore, MeJA significantly enhanced the activities of antioxidant and defence-related enzymes, such as polyphenol oxidase (PPO), superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), β-1,3 glucanase (GLU) and chitinase (CHI); total phenol content also increased, and membrane lipid peroxidation decreased. MeJA treatment promoted the expression of PpPPO, Cu-ZnSOD, PpPOD, PpCAT, PpCHI and PpGLU. Overall, this experiment suggested that MeJA-induced pear fruit resistance against blue mould rot may be related to the enhanced activities of defence enzymes and gene expression. |
| first_indexed | 2024-03-07T20:09:23Z |
| format | Article |
| id | doaj.art-e2cfaba6fed049b8b52e13fe681b6066 |
| institution | Directory Open Access Journal |
| issn | 2769-4615 |
| language | English |
| last_indexed | 2024-03-07T20:09:23Z |
| publishDate | 2022-01-01 |
| publisher | Maximum Academic Press |
| record_format | Article |
| series | Fruit Research |
| spelling | doaj.art-e2cfaba6fed049b8b52e13fe681b60662024-02-28T03:19:34ZengMaximum Academic PressFruit Research2769-46152022-01-01211810.48130/FruRes-2022-0011FruRes-2022-0011Exogenously applied methyl jasmonate increased the resistance of postharvest pear fruit to blue moldMing Chen0Zhenyu Luo1Xianyang Zhao2Shucheng Li3Fan Wu4Jinyin Chen5Miaolian Xiang6College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, ChinaCollege of Agronomy, Jiangxi Agricultural University, Nanchang 330045, ChinaCollege of Agronomy, Jiangxi Agricultural University, Nanchang 330045, ChinaCollege of Agronomy, Jiangxi Agricultural University, Nanchang 330045, ChinaCollege of Agronomy, Jiangxi Agricultural University, Nanchang 330045, ChinaCollege of Agronomy, Jiangxi Agricultural University, Nanchang 330045, ChinaCollege of Agronomy, Jiangxi Agricultural University, Nanchang 330045, ChinaMethyl jasmonate (MeJA) is a plant-signalling molecule that plays significant roles in stress reactions and defence responses. The goal of this study was to characterize the effects of exogenous MeJA application on the resistance of postharvest pear fruit to blue mould rot caused by Penicillium expansum and investigate the mechanism underlying the observed effects of MeJA application. MeJA treatment effectively reduced the lesion diameter of blue mould rot in pear fruit. Furthermore, MeJA significantly enhanced the activities of antioxidant and defence-related enzymes, such as polyphenol oxidase (PPO), superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), β-1,3 glucanase (GLU) and chitinase (CHI); total phenol content also increased, and membrane lipid peroxidation decreased. MeJA treatment promoted the expression of PpPPO, Cu-ZnSOD, PpPOD, PpCAT, PpCHI and PpGLU. Overall, this experiment suggested that MeJA-induced pear fruit resistance against blue mould rot may be related to the enhanced activities of defence enzymes and gene expression.https://www.maxapress.com/article/doi/10.48130/FruRes-2022-0011methyl jasmonatepear fruitpenicillium expansumpostharvestdefence enzyme |
| spellingShingle | Ming Chen Zhenyu Luo Xianyang Zhao Shucheng Li Fan Wu Jinyin Chen Miaolian Xiang Exogenously applied methyl jasmonate increased the resistance of postharvest pear fruit to blue mold Fruit Research methyl jasmonate pear fruit penicillium expansum postharvest defence enzyme |
| title | Exogenously applied methyl jasmonate increased the resistance of postharvest pear fruit to blue mold |
| title_full | Exogenously applied methyl jasmonate increased the resistance of postharvest pear fruit to blue mold |
| title_fullStr | Exogenously applied methyl jasmonate increased the resistance of postharvest pear fruit to blue mold |
| title_full_unstemmed | Exogenously applied methyl jasmonate increased the resistance of postharvest pear fruit to blue mold |
| title_short | Exogenously applied methyl jasmonate increased the resistance of postharvest pear fruit to blue mold |
| title_sort | exogenously applied methyl jasmonate increased the resistance of postharvest pear fruit to blue mold |
| topic | methyl jasmonate pear fruit penicillium expansum postharvest defence enzyme |
| url | https://www.maxapress.com/article/doi/10.48130/FruRes-2022-0011 |
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