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Physiological and molecular responses of different rose (Rosa hybrida L.) cultivars to elevated ozone levels

文献类型： 外文期刊

作者： Wang, Hua 1 ; Li, Maofu 1 ; Yang, Yuan 1 ; Sun, Pei 1 ; Zhou, Shuting 1 ; Kang, Yanhui 1 ; Xu, Yansen 5 ; Yuan, Xiangyang 5 ; Feng, Zhaozhong 5 ; Jin, Wanmei 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Forestry & Pomol, Beijing 100093, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Biol & Genet Improvement Hort Crops North, Beijing, Peoples R China

3.Beijing Engn Res Ctr Funct Floriculture, Beijing, Peoples R China

4.Beijing Engn Res Ctr Deciduous Fruit Trees, Beijing, Peoples R China

5.Nanjing Univ Informat Sci & Technol, Sch Appl Meteorol, Nanjing 210044, Peoples R China

关键词： molecular response; ozone; physiological responses; rose; sensitivity

期刊名称：PLANT DIRECT （ 影响因子：3.0； 五年影响因子：3.4 ）

ISSN：

年卷期： 2023 年 7 卷 7 期

页码：

收录情况： SCI

摘要： The increasing ground-level ozone (O-3) pollution resulting from rapid global urbanization and industrialization has negative effects on many plants. Nonetheless, many gaps remain in our knowledge of how ornamental plants respond to O-3. Rose (Rosa hybrida L.) is a commercially important ornamental plant worldwide. In this study, we exposed four rose cultivars ("Schloss Mannheim," "Iceberg," "Luye," and "Spectra") to either unfiltered ambient air (NF), unfiltered ambient air plus 40 ppb O-3 (NF40), or unfiltered ambient air plus 80 ppb O-3 (NF80). Only the cultivar "Schloss Mannheim" showed significant O-3-related effects, including foliar injury, reduced chlorophyll content, reduced net photosynthetic rate, reduced stomatal conductance, and reduced stomatal apertures. In "Schloss Mannheim," several transcription factor genes-HSF, WRKY, and MYB genes-were upregulated by O-3 exposure, and their expression was correlated with that of NCED1, PP2Cs, PYR/PYL, and UGTs, which are related to ABA biosynthesis and signaling. These results suggest that HSF, WRKY, and MYB transcription factors and ABA are important components of the plant response to O-3 stress, suggesting a possible strategy for cultivating O-3-tolerant rose varieties.

  • 相关文献

[1]Physiological and molecular responses of different rose (Rosa hybrida L.) cultivars to elevated ozone levels. Wang, Hua,Li, Maofu,Yang, Yuan,Sun, Pei,Zhou, Shuting,Kang, Yanhui,Jin, Wanmei,Wang, Hua,Li, Maofu,Yang, Yuan,Sun, Pei,Zhou, Shuting,Kang, Yanhui,Jin, Wanmei,Wang, Hua,Li, Maofu,Sun, Pei,Zhou, Shuting,Kang, Yanhui,Jin, Wanmei,Yang, Yuan,Xu, Yansen,Yuan, Xiangyang,Feng, Zhaozhong. 2023

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