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Response of anatomy and CO2-concentrating mechanisms to variable CO2 in linear juvenile leaves of heterophyllous Ottelia alismoides: Comparisons with other leaf types
Han, Shijuan1,2; Xing, Zhenfei3; Li, Wei1; Huang, Wenmin1
Corresponding AuthorHuang, Wenmin(huangwm@wbgcas.cn)
2020-11-01
Source PublicationENVIRONMENTAL AND EXPERIMENTAL BOTANY
ISSN0098-8472
Volume179Pages:10
AbstractOttelia alismoides (Hydrocharitaceae) is a heterophyllous freshwater macrophyte which shows heteroblastic heterophylly during plant development, and differs in carbon dioxide-concentrating mechanisms (CCMs) at different stage. This study investigated the anatomy and CCMs in the first stage of leaf during O. alismoides development, linear juvenile leaves. It comprised three layers of cell and enriched air spaces, but not significantly affected by CO2 concentration ([CO2]), while leaf thickness and chloroplast ultrastructure were significantly affected by [CO2]. The linear juvenile leaves could perform C-4 photosynthesis at low [CO2]; the two types of chloroplasts distributed in epidermal and mesophyll cells respectively, with different shape and starch content, might provide the structural basis for C-4 operation. The pH-drift data showed that the linear juvenile leaves could use HCO3- regardless of [CO2]. Whereas, CAM and C-4 operation could only be induced at low [CO2]. When compared the CCMs among all the heteromorphic leaves in O. alismoides, it is shown that CCMs in the O. alismoides heteromorphic leaves become more diversified during the plants development: HCO3- use was present in all leaf-types regardless of the [CO2]; CAM and C-4 were only induced at low [CO2] and became more efficient in mature leaves. The anatomy was also regulated to adapt to the functions of CCMs, and ultimately, the ovate mature leaves can operate C-4 constitutively.
KeywordLinear juvenile leaves Carbon dioxide-concentrating mechanisms (CCMs) Leaf anatomy Chloroplast ultrastructure C-4 photosynthesis Heterophyll
DOI10.1016/j.envexpbot.2020.104194
Funding OrganizationChinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ProjectChinese Academy of Sciences (CAS) ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB31000000] ; National Natural Science Foundation of China[31970368]
WOS Research AreaPlant Sciences ; Environmental Sciences & Ecology
WOS SubjectPlant Sciences ; Environmental Sciences
WOS IDWOS:000571483200006
WOS KeywordCRASSULACEAN ACID METABOLISM ; CARBON-CONCENTRATING MECHANISMS ; FRESH-WATER MACROPHYTE ; C-4 PHOTOSYNTHESIS ; KRANZ ANATOMY ; INORGANIC CARBON ; AQUATIC PLANT ; EGERIA-DENSA ; CAM ; GROWTH
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Funding OrganizationChinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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 ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; 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/342005/38913
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorHuang, Wenmin
Affiliation1.Chinese Acad Sci, Ctr Plant Ecol, Wuhan Bot Garden, Key Lab Aquat Bot & Watershed Ecol,Core Bot Garde, Wuhan 430074, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Han, Shijuan,Xing, Zhenfei,Li, Wei,et al. Response of anatomy and CO2-concentrating mechanisms to variable CO2 in linear juvenile leaves of heterophyllous Ottelia alismoides: Comparisons with other leaf types[J]. ENVIRONMENTAL AND EXPERIMENTAL BOTANY,2020,179:10.
APA Han, Shijuan,Xing, Zhenfei,Li, Wei,&Huang, Wenmin.(2020).Response of anatomy and CO2-concentrating mechanisms to variable CO2 in linear juvenile leaves of heterophyllous Ottelia alismoides: Comparisons with other leaf types.ENVIRONMENTAL AND EXPERIMENTAL BOTANY,179,10.
MLA Han, Shijuan,et al."Response of anatomy and CO2-concentrating mechanisms to variable CO2 in linear juvenile leaves of heterophyllous Ottelia alismoides: Comparisons with other leaf types".ENVIRONMENTAL AND EXPERIMENTAL BOTANY 179(2020):10.
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