Variations in leaf anatomical characteristics drive the decrease of mesophyll conductance in poplar under elevated ozone
文献类型：期刊论文
| 作者 | Xu, Yansen4; Feng, Zhaozhong2,4; Peng, Jinlong1; Uddling, Johan5 |
| 刊名 | GLOBAL CHANGE BIOLOGY
 |
| 出版日期 | 2023-05-01 |
| 卷号 | N/A |
| 关键词 | leaf anatomy mesophyll conductance meta-analysis ozone photosynthesis poplar |
| DOI | 10.1111/gcb.16621 |
| 文献子类 | Article ; Early Access |
| 英文摘要 | Decline in mesophyll conductance (g(m)) plays a key role in limiting photosynthesis in plants exposed to elevated ozone (O-3). Leaf anatomical traits are known to influence g(m), but the potential effects of O-3-induced changes in leaf anatomy on g(m) have not yet been clarified. Here, two poplar clones were exposed to elevated O-3. The effects of O-3 on the photosynthetic capacity and anatomical characteristics were assessed to investigate the leaf anatomical properties that potentially affect g(m). We also conducted global meta-analysis to explore the general response patterns of g(m) and leaf anatomy to O-3 exposure. We found that the O-3-induced reduction in g(m) was critical in limiting leaf photosynthesis. Changes in liquid-phase conductance rather than gas-phase conductance drive the decline in g(m) under elevated O-3,O- and this effect was associated with thicker cell walls and smaller chloroplast sizes. The effects of O-3 on palisade and spongy mesophyll cell traits and their contributions to g(m) were highly genotype-dependent. Our results suggest that, while anatomical adjustments under elevated O-3 may contribute to defense against O-3 stress, they also cause declines in g(m) and photosynthesis. These results provide the first evidence of anatomical constraints on g(m) under elevated O-3. |
| WOS关键词 | NET PRIMARY PRODUCTIVITY ; CO2 DIFFUSION ; PHOTOSYNTHETIC CAPACITY ; TEMPERATURE RESPONSE ; POTASSIUM-DEFICIENCY ; TROPOSPHERIC OZONE ; BETULA-PENDULA ; LEAVES ; ULTRASTRUCTURE ; RUBISCO |
| WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
| WOS记录号 | WOS:000935553700001 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/200743]  |
| 专题 | 生态系统网络观测与模拟院重点实验室_外文论文 |
| 作者单位 | 1.Nanjing Univ Informat Sci & Technol, Sch Appl Meteorol, Key Lab Ecosyst Carbon Source & Sink, China Meteorol Adm ECSS CMA, Nanjing, Peoples R China 2.Univ Gothenburg, Dept Biol & Environm Sci, Gothenburg, Sweden 3.Nanjing Univ Informat Sci & Technol, Sch Appl Meteorol, Nanjing, Peoples R China 4.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteorol, Nanjing, Peoples R China 5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, Yansen,Feng, Zhaozhong,Peng, Jinlong,et al. Variations in leaf anatomical characteristics drive the decrease of mesophyll conductance in poplar under elevated ozone[J]. GLOBAL CHANGE BIOLOGY,2023,N/A. |
| APA | Xu, Yansen,Feng, Zhaozhong,Peng, Jinlong,&Uddling, Johan.(2023).Variations in leaf anatomical characteristics drive the decrease of mesophyll conductance in poplar under elevated ozone.GLOBAL CHANGE BIOLOGY,N/A. |
| MLA | Xu, Yansen,et al."Variations in leaf anatomical characteristics drive the decrease of mesophyll conductance in poplar under elevated ozone".GLOBAL CHANGE BIOLOGY N/A(2023). |
入库方式： OAI收割
来源：地理科学与资源研究所
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