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Responses of Leaf Anatomy and CO(2)Concentrating Mechanisms of the Aquatic PlantOttelia cordatato Variable CO2
Huang, Wenmin1,2; Han, Shijuan1,3; Xing, Zhenfei4; Li, Wei1
Corresponding AuthorLi, Wei(liwei@wbgcas.cn)
2020-08-14
Source PublicationFRONTIERS IN PLANT SCIENCE
ISSN1664-462X
Volume11Pages:12
AbstractAcclimation to variable CO(2)was studied in floating leaves of the freshwater monocotOttelia cordatagrown in either low or high CO2. The most striking anatomical variations responding to high CO(2)included the enlarged upper epidermal cells and the decreased area of epidermal chloroplasts. Stomata that distributed on the upper surface, and the stomatic chamber area, showed no significant response to high CO2. pH-drift experiments indicated that floating leaves ofO. cordatawere able to use bicarbonate regardless of CO(2)concentrations. Photosynthetic enzyme activities and patterns of organic acids fluctuation confirmed that floating leaves ofO. cordatacan operate CAM only at low CO2, and perform C-4-like metabolism at both high and low CO2. Overall, the present results imply that the floating leaves ofO. cordatadoes not just rely on the atmospheric CO(2)for its inorganic carbon, but is also dependent on CO(2)and bicarbonate in the water. By showing these effects of CO(2)variation, we highlight the need for further experimental studies on the regulatory mechanisms inO. cordatafloating leaves, that prevent futile cycling among the three CO(2)concentrating mechanisms (bicarbonate use, C-4, and CAM metabolism) and the strategy for exploiting atmospheric CO2, as well as studies on the detailed biochemical pathway for C(4)and CAM metabolism in this species.
KeywordCO(2)availability C-4 crassulacean acid metabolism bicarbonate use CO(2)concentrating mechanisms organic acids
DOI10.3389/fpls.2020.01261
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
Indexed BySCI ; SCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDB31000000] ; National Natural Science Foundation of China[31970368]
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000566114800001
WOS KeywordCRASSULACEAN ACID METABOLISM ; FRESH-WATER PLANT ; PHOTOSYNTHETIC CARBON ASSIMILATION ; INORGANIC CARBON ; CONCENTRATING MECHANISMS ; C-4 PHOTOSYNTHESIS ; ELEVATED CO2 ; GROWTH ; ENRICHMENT ; CAM
PublisherFRONTIERS MEDIA SA
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/38660
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorLi, Wei
Affiliation1.Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Ctr Plant Ecol,Core Bot Gardens, Wuhan, Peoples R China
2.Aix Marseille Univ, CNRS, BIP, IMM,FR 3479,UMR 7281, Marseille, France
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
Recommended Citation
GB/T 7714
Huang, Wenmin,Han, Shijuan,Xing, Zhenfei,et al. Responses of Leaf Anatomy and CO(2)Concentrating Mechanisms of the Aquatic PlantOttelia cordatato Variable CO2[J]. FRONTIERS IN PLANT SCIENCE,2020,11:12.
APA Huang, Wenmin,Han, Shijuan,Xing, Zhenfei,&Li, Wei.(2020).Responses of Leaf Anatomy and CO(2)Concentrating Mechanisms of the Aquatic PlantOttelia cordatato Variable CO2.FRONTIERS IN PLANT SCIENCE,11,12.
MLA Huang, Wenmin,et al."Responses of Leaf Anatomy and CO(2)Concentrating Mechanisms of the Aquatic PlantOttelia cordatato Variable CO2".FRONTIERS IN PLANT SCIENCE 11(2020):12.
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