Kiwifruit sensitivity to boron: impact on physiological and molecular responses
Boron (B) is an essential micronutrient critical for crop growth and productivity. However, excessive boron concentrations can impair plant development, and detoxification remains a significant challenge. Understanding genetic variability and identifying tolerance mechanisms are crucial for developi...
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Frontiers Media S.A.
2025-03-01
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| Series: | Frontiers in Plant Science |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fpls.2025.1549854/full |
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| author | Gudeta Chalchisa Gudeta Chalchisa Abu Naim Md. Muzahid Abu Naim Md. Muzahid Md Dulal Ali Mollah Md Dulal Ali Mollah Edmore Gasura Xiaodong Xie Xiaodong Xie Xiaoying Liu Xiaoying Liu Haiyan Lv Haiyan Lv Hua Tian Hua Tian Caihong Zhong Caihong Zhong Dawei Li Dawei Li |
| author_facet | Gudeta Chalchisa Gudeta Chalchisa Abu Naim Md. Muzahid Abu Naim Md. Muzahid Md Dulal Ali Mollah Md Dulal Ali Mollah Edmore Gasura Xiaodong Xie Xiaodong Xie Xiaoying Liu Xiaoying Liu Haiyan Lv Haiyan Lv Hua Tian Hua Tian Caihong Zhong Caihong Zhong Dawei Li Dawei Li |
| author_sort | Gudeta Chalchisa |
| collection | DOAJ |
| description | Boron (B) is an essential micronutrient critical for crop growth and productivity. However, excessive boron concentrations can impair plant development, and detoxification remains a significant challenge. Understanding genetic variability and identifying tolerance mechanisms are crucial for developing boron-resistant cultivars. This study explores the physiological and molecular responses of two Actinidia species, namely kiwifruit (A.chinensis) and kiwiberry (A.arguta), to varying levels of excess B. Under excessive B conditions, B accumulation followed the order roots< stems< leaves, with maximum concentrations of 68.6 mg/kg, 105 mg/kg, and 160.7 mg/kg in AC, and 68.2 mg/kg, 107 mg/kg, and 196.9 mg/kg in AA, respectively. B toxicity symptoms appeared in AA when B levels exceeded 50 mg/kg, leading to a 15–20% reduction in dry weight across roots, stems, and leaves. AC exhibited greater sensitivity, with a 20–30% reduction in dry biomass. Both species showed significant declines in chlorophyll a and b content under B stress, with alterations in the chlorophyll a/b ratio and increased oxidative stress. Additionally, stress-responsive genes, including 1-aminocyclopropane-1-carboxylate synthase (Actinidia10066) and xyloglucan endotransglucosylase/hydrolase (Actinidia11948), were downregulated in response to B stress, suggesting potential disruptions in growth and development. These findings provide valuable insights into the differential physiological and molecular responses to excess boron in Actinidia species, laying a foundation for functional genomics research and the development of boron-tolerant kiwifruit cultivars. |
| format | Article |
| id | doaj-art-d8ec44248feb43f6b570e86926bea890 |
| institution | Kabale University |
| issn | 1664-462X |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Plant Science |
| spelling | doaj-art-d8ec44248feb43f6b570e86926bea8902025-08-20T03:39:57ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2025-03-011610.3389/fpls.2025.15498541549854Kiwifruit sensitivity to boron: impact on physiological and molecular responsesGudeta Chalchisa0Gudeta Chalchisa1Abu Naim Md. Muzahid2Abu Naim Md. Muzahid3Md Dulal Ali Mollah4Md Dulal Ali Mollah5Edmore Gasura6Xiaodong Xie7Xiaodong Xie8Xiaoying Liu9Xiaoying Liu10Haiyan Lv11Haiyan Lv12Hua Tian13Hua Tian14Caihong Zhong15Caihong Zhong16Dawei Li17Dawei Li18CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, ChinaPlant Research Department, Gullele Botanical Garden, Addis Ababa, EthiopiaCAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, ChinaState Key Laboratory of Plant Diversity and Specialty Crops, Chinese Academy of Sciences, Wuhan, ChinaCAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, ChinaDepartment of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi, BangladeshDepartment of Plant Production Sciences and Technologies, University of Zimbabwe, Harare, ZimbabweCAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, ChinaState Key Laboratory of Plant Diversity and Specialty Crops, Chinese Academy of Sciences, Wuhan, ChinaCAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, ChinaState Key Laboratory of Plant Diversity and Specialty Crops, Chinese Academy of Sciences, Wuhan, ChinaCAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, ChinaState Key Laboratory of Plant Diversity and Specialty Crops, Chinese Academy of Sciences, Wuhan, ChinaCAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, ChinaState Key Laboratory of Plant Diversity and Specialty Crops, Chinese Academy of Sciences, Wuhan, ChinaCAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, ChinaState Key Laboratory of Plant Diversity and Specialty Crops, Chinese Academy of Sciences, Wuhan, ChinaCAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, ChinaState Key Laboratory of Plant Diversity and Specialty Crops, Chinese Academy of Sciences, Wuhan, ChinaBoron (B) is an essential micronutrient critical for crop growth and productivity. However, excessive boron concentrations can impair plant development, and detoxification remains a significant challenge. Understanding genetic variability and identifying tolerance mechanisms are crucial for developing boron-resistant cultivars. This study explores the physiological and molecular responses of two Actinidia species, namely kiwifruit (A.chinensis) and kiwiberry (A.arguta), to varying levels of excess B. Under excessive B conditions, B accumulation followed the order roots< stems< leaves, with maximum concentrations of 68.6 mg/kg, 105 mg/kg, and 160.7 mg/kg in AC, and 68.2 mg/kg, 107 mg/kg, and 196.9 mg/kg in AA, respectively. B toxicity symptoms appeared in AA when B levels exceeded 50 mg/kg, leading to a 15–20% reduction in dry weight across roots, stems, and leaves. AC exhibited greater sensitivity, with a 20–30% reduction in dry biomass. Both species showed significant declines in chlorophyll a and b content under B stress, with alterations in the chlorophyll a/b ratio and increased oxidative stress. Additionally, stress-responsive genes, including 1-aminocyclopropane-1-carboxylate synthase (Actinidia10066) and xyloglucan endotransglucosylase/hydrolase (Actinidia11948), were downregulated in response to B stress, suggesting potential disruptions in growth and development. These findings provide valuable insights into the differential physiological and molecular responses to excess boron in Actinidia species, laying a foundation for functional genomics research and the development of boron-tolerant kiwifruit cultivars.https://www.frontiersin.org/articles/10.3389/fpls.2025.1549854/fullkiwifruitB functionboron stressphysiological responsegene regulation |
| spellingShingle | Gudeta Chalchisa Gudeta Chalchisa Abu Naim Md. Muzahid Abu Naim Md. Muzahid Md Dulal Ali Mollah Md Dulal Ali Mollah Edmore Gasura Xiaodong Xie Xiaodong Xie Xiaoying Liu Xiaoying Liu Haiyan Lv Haiyan Lv Hua Tian Hua Tian Caihong Zhong Caihong Zhong Dawei Li Dawei Li Kiwifruit sensitivity to boron: impact on physiological and molecular responses Frontiers in Plant Science kiwifruit B function boron stress physiological response gene regulation |
| title | Kiwifruit sensitivity to boron: impact on physiological and molecular responses |
| title_full | Kiwifruit sensitivity to boron: impact on physiological and molecular responses |
| title_fullStr | Kiwifruit sensitivity to boron: impact on physiological and molecular responses |
| title_full_unstemmed | Kiwifruit sensitivity to boron: impact on physiological and molecular responses |
| title_short | Kiwifruit sensitivity to boron: impact on physiological and molecular responses |
| title_sort | kiwifruit sensitivity to boron impact on physiological and molecular responses |
| topic | kiwifruit B function boron stress physiological response gene regulation |
| url | https://www.frontiersin.org/articles/10.3389/fpls.2025.1549854/full |
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