Enhancement of Photosynthetic Capacity in Spongy Mesophyll Cells in White Leaves of Actinidia kolomikta
文献类型：期刊论文
| 作者 | Yu, Miao; Chen, Li; Liu, Dong-huan; Sun, Dan; Shi, Guang-li; Yin, Yan2; Wen, De-quan; Wang, Zhen-xing; Ai, Jun |
| 刊名 | FRONTIERS IN PLANT SCIENCE
 |
| 出版日期 | 2022 |
| 卷号 | 13 |
| 关键词 | white leaf photosynthetic capacity leaf structure chlorophyll fluorescence spongy mesophyll cells |
| ISSN号 | 1664-462X |
| DOI | 10.3389/fpls.2022.856732 |
| 文献子类 | Article |
| 英文摘要 | Considering that Actinidia kolomikta bears abundant white leaves on reproductive branches during blossoming, we hypothesized that the white leaves may maintain photosynthetic capacity by adjustments of leaf anatomy and physiological regulation. To test this hypothesis, leaf anatomy, gas exchange, chlorophyll a fluorescence, and the transcriptome were examined in white leaves of A. kolomikta during flowering. The palisade and spongy mesophyll in the white leaves were thicker than those in green ones. Chloroplast development in palisade parenchyma of white leaves was abnormal, whereas spongy parenchyma of white leaves contained functional chloroplasts. The highest photosynthetic rate of white leaves was ~82% of that of green leaves over the course of the day. In addition, the maximum quantum yield of PSII (F-v/F-m) of the palisade mesophyll in white leaves was significantly lower than those of green ones, whereas F-v/F-m and quantum yield for electron transport were significantly higher in the spongy mesophyll of white leaves. Photosynthetic capacity regulation of white leaf also was attributed to upregulation or downregulation of some key genes involving in photosynthesis. Particularly, upregulation of sucrose phosphate synthase (SPS), glyeraldehyde-3-phosphate dehydrogenase (GAPDH) and RuBisCO activase (RCA) in white leaf suggested that they might be involved in regulation of sugar synthesis and Rubisco activase in maintaining photosynthetic capacity of white leaf. Conclusions: white leaves contained a thicker mesophyll layer and higher photosynthetic activity in spongy parenchyma cells than those of palisade parenchyma cells. This may compensate for the lowered photosynthetic capacity of the palisade mesophyll. Consequently, white leaves maintain a relatively high photosynthetic capacity in the field. |
| 学科主题 | Plant Sciences |
| 出版地 | LAUSANNE |
| WOS关键词 | ELECTRON-TRANSPORT ; GREEN ; VARIEGATION ; BRACTS ; RED ; ANTHOCYANINS ; PROTECTION ; PROFILES ; TISSUES |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000802288100001 |
| 出版者 | FRONTIERS MEDIA SA |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/29002]  |
| 专题 | 中科院北方资源植物重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Bot, Key Lab Plant Resources, State Key Lab Systemat & Envolutionary Bot,State K, Beijing, Peoples R China 2.Beijing Bot Garden, Beijing, Peoples R China 3.Jilin Agr Univ, Coll Hort, Lab Wild Fruit Physiol, Changchun, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yu, Miao,Chen, Li,Liu, Dong-huan,et al. Enhancement of Photosynthetic Capacity in Spongy Mesophyll Cells in White Leaves of Actinidia kolomikta[J]. FRONTIERS IN PLANT SCIENCE,2022,13. |
| APA | Yu, Miao.,Chen, Li.,Liu, Dong-huan.,Sun, Dan.,Shi, Guang-li.,...&Ai, Jun.(2022).Enhancement of Photosynthetic Capacity in Spongy Mesophyll Cells in White Leaves of Actinidia kolomikta.FRONTIERS IN PLANT SCIENCE,13. |
| MLA | Yu, Miao,et al."Enhancement of Photosynthetic Capacity in Spongy Mesophyll Cells in White Leaves of Actinidia kolomikta".FRONTIERS IN PLANT SCIENCE 13(2022). |
入库方式： OAI收割
来源：植物研究所
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