IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Nitrogen resorption in Acer platanoides and Acer saccharum: influence of light exposure and leaf pigmentation
Duan, Baoli1,2; Paquette, Alain3; Juneau, Philippe1; Brisson, Jacques3,4; Fontaine, Bastien4; Berninger, Frank1,3
Corresponding AuthorBaoli Duan
2014
Source PublicationACTA PHYSIOLOGIAE PLANTARUM
ISSN0137-5881
EISSN1861-1664
Volume36Issue:11Pages:3039-3050
SubtypeArticle
AbstractWe investigated the effects of leaf color change in the fall on photosynthetic production and nitrogen resorption. Seedlings of Acer platanoides L. and A. saccharum Marsh. were grown in a shade house for 5 months in either 21 % (intermediate light, M) or 4.9 % (low light, L) of incident irradiance. After this period, a subset of the intermediate-light grown seedlings was transferred to a high-light stress treatment (H). Gas exchange, chlorophyll fluorescence, pigments, antioxidant activity, and nitrogen (N) resorption were examined at three leaf senescence stages during September and October. Our results show that plants of both species produce more anthocyanins in the H treatment. In comparison with plants grown in the L and M treatments, plants of both species in the H treatments had lower chlorophyll, carotenoid and chlorophyll fluorescence parameters (F (v)/F (m), I broken vertical bar (PSII), NPQ and ETR) at the third sampling date (October 12-18), and indicating higher levels of photoinhibition in the seedlings exposed to high light. Our results imply that autumn leaf redness is inducible and closely linked to photo-oxidative stress. However, anthocyanins did not enhance antioxidant capacity in red leaves in either species, when exposed to high light. For both species, our results showed a higher N-resorption for high-light stressed plants. We also observed that the number of abscised leaves at the second sampling dates (September 10) was higher than at the third sampling dates. The intra-leaf distribution of anthocyanin, the association between anthocyanin production and the high-light environments, the retention of red leaves, the substantial physiological gain of photosynthetic activity, as well as the links between anthocyanins and increased N resorption led us to assume that one primary role of autumn anthocyanin could be to protect the photosynthetic apparatus from photo-oxidative damage as light filters rather than as antioxidant. Another major role is to extend carbon capture and help supply the energy needed for N resorption from senescing leaves in both A. saccharum and A. Platanoides during high-light stress. Nevertheless, photoprotective capacity of anthocyanins was not able to fully compensate for photoinhibitory stress as the anthocyanins are not optimally located to efficiently reduce light within the leaves.
KeywordNitrogen Resorption Anthocyanins Chlorophyll Photoprotection
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11738-014-1674-x
URL查看原文
WOS Subject ExtendedPlant Sciences
Indexed BySCI
WOS KeywordPHOTOSYNTHETIC ELECTRON-TRANSPORT ; SUGAR MAPLE LEAVES ; CHLOROPHYLL FLUORESCENCE ; ANTHOCYANIN ACCUMULATION ; NUTRIENT RESORPTION ; CARBON ASSIMILATION ; SENESCING LEAVES ; SENESCENCE ; AUTUMN ; PLANTS
Language英语
Quartile4区
TOP
WOS SubjectPlant Sciences
WOS IDWOS:000343286500019
Funding OrganizationFonds quebecois de la recherche sur la nature et les technologies (FQRNT) ; Institute of Mountain Hazards and Environment, CAS(SDSQB-2012-01)
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7492
Collection山地表生过程与生态调控重点实验室
Affiliation1.Univ Quebec, Dept Sci Biol, Montreal, PQ H3C 3P8, Canada
2.Chinese Acad Sci, Key Lab Mt Surface Proc & Ecol Regulat, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
3.Univ Quebec, CFR, Montreal, PQ H3C 3P8, Canada
4.Univ Montreal, Inst Rech Biol Vegetale, Dept Sci Biol, Montreal, PQ H1X 2B2, Canada
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Duan, Baoli,Paquette, Alain,Juneau, Philippe,et al. Nitrogen resorption in Acer platanoides and Acer saccharum: influence of light exposure and leaf pigmentation[J]. ACTA PHYSIOLOGIAE PLANTARUM,2014,36(11):3039-3050.
APA Duan, Baoli,Paquette, Alain,Juneau, Philippe,Brisson, Jacques,Fontaine, Bastien,&Berninger, Frank.(2014).Nitrogen resorption in Acer platanoides and Acer saccharum: influence of light exposure and leaf pigmentation.ACTA PHYSIOLOGIAE PLANTARUM,36(11),3039-3050.
MLA Duan, Baoli,et al."Nitrogen resorption in Acer platanoides and Acer saccharum: influence of light exposure and leaf pigmentation".ACTA PHYSIOLOGIAE PLANTARUM 36.11(2014):3039-3050.
Files in This Item:
File Name/Size DocType Version Access License
段宝利 等:Nitrogen resor(414KB) 开放获取CC BY-NC-SAView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Duan, Baoli]'s Articles
[Paquette, Alain]'s Articles
[Juneau, Philippe]'s Articles
Baidu academic
Similar articles in Baidu academic
[Duan, Baoli]'s Articles
[Paquette, Alain]'s Articles
[Juneau, Philippe]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Duan, Baoli]'s Articles
[Paquette, Alain]'s Articles
[Juneau, Philippe]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: 段宝利 等:Nitrogen resorption in Acer platanoides and Acer saccharum influence of light exposure and leaf pigmentation.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.