The role of chloroplast movement in C4 photosynthesis: a theoretical analysis using a three-dimensional reaction-diffusion model for maize
18 Pág.
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| Language: | English |
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Oxford University Press
2023-08-03
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| Subjects: | 3D leaf anatomy, Biophysical model, CO2 concentrating mechanism, Chloroplast movement, Gas exchange, Leakiness, Ray tracing, |
| Online Access: | http://hdl.handle.net/10261/334749 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000690 https://api.elsevier.com/content/abstract/scopus_id/85168939833 |
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dig-inia-es-10261-3347492024-10-27T21:45:26Z The role of chloroplast movement in C4 photosynthesis: a theoretical analysis using a three-dimensional reaction-diffusion model for maize Retta, Moges A. Yin, Xinyou Ho, Quang Tri Watté, Rodrigo Berghuijs, Herman N.C. Verboven, Pieter Saeys, Wouter Cano, F. J. Ghannoum, Oula Struik, Paul C. Nicolaï, Bart M. Research Councils UK Agencia Estatal de Investigación (España) Retta, Moges A. [0000-0002-4835-7274] Yin, Xinyou [0000-0001-8273-8022] Ho, Quang Tri [0000-0003-3766-0283] Berghuijs, Herman N.C. [0000-0002-1754-5061] Verboven, Pieter [0000-0001-9542-8285] Saeys, Wouter [0000-0002-5849-4301] Cano, F. J. [0000-0001-5720-5865] Ghannoum, Oula [0000-0002-1341-0741] Struik, Paul C. [0000-0003-2196-547X] Nicolaï, Bart M. [0000-0001-5267-1920] Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72] 3D leaf anatomy Biophysical model CO2 concentrating mechanism Chloroplast movement Gas exchange Leakiness Ray tracing 18 Pág. Chloroplasts movement within mesophyll cells in C4 plants is hypothesized to enhance the CO2 concentrating mechanism, but this is difficult to verify experimentally. A three-dimensional (3D) leaf model can help analyse how chloroplast movement influences the operation of the CO2 concentrating mechanism. The first volumetric reaction-diffusion model of C4 photosynthesis that incorporates detailed 3D leaf anatomy, light propagation, ATP and NADPH production, and CO2, O2 and bicarbonate concentration driven by diffusional and assimilation/emission processes was developed. It was implemented for maize leaves to simulate various chloroplast movement scenarios within mesophyll cells: the movement of all mesophyll chloroplasts towards bundle sheath cells (aggregative movement) and movement of only those of interveinal mesophyll cells towards bundle sheath cells (avoidance movement). Light absorbed by bundle sheath chloroplasts relative to mesophyll chloroplasts increased in both cases. Avoidance movement decreased light absorption by mesophyll chloroplasts considerably. Consequently, total ATP and NADPH production and net photosynthetic rate increased for aggregative movement and decreased for avoidance movement compared with the default case of no chloroplast movement at high light intensities. Leakiness increased in both chloroplast movement scenarios due to the imbalance in energy production and demand in mesophyll and bundle sheath cells. These results suggest the need to design strategies for coordinated increases in electron transport and Rubisco activities for an efficient CO2 concentrating mechanism at very high light intensities. The work is supported by the Research Council of KU Leuven (project C1/16/002) and the Research Fund Flanders (project G.0645.13). Wageningen based authors have contributed to this work within the program BioSolar Cells. FJC was funded through the Spanish fellowship Ramon y Cajal (RYC2021-035064-I). Peer reviewed 2023-09-07T11:54:25Z 2023-09-07T11:54:25Z 2023-08-03 artículo http://purl.org/coar/resource_type/c_6501 Journal of Experimental Botany 74(14): 4125-4142 (2023) 0022-0957 http://hdl.handle.net/10261/334749 10.1093/jxb/erad138 1460-2431 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000690 37083863 2-s2.0-85168939833 https://api.elsevier.com/content/abstract/scopus_id/85168939833 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI//RYC2021-035064-I Instituto de Ciencias Forestales (ICIFOR) Publisher's version https://doi.org/10.1093/jxb/erad138 Sí open application/pdf Oxford University Press |
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3D leaf anatomy Biophysical model CO2 concentrating mechanism Chloroplast movement Gas exchange Leakiness Ray tracing 3D leaf anatomy Biophysical model CO2 concentrating mechanism Chloroplast movement Gas exchange Leakiness Ray tracing |
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3D leaf anatomy Biophysical model CO2 concentrating mechanism Chloroplast movement Gas exchange Leakiness Ray tracing 3D leaf anatomy Biophysical model CO2 concentrating mechanism Chloroplast movement Gas exchange Leakiness Ray tracing Retta, Moges A. Yin, Xinyou Ho, Quang Tri Watté, Rodrigo Berghuijs, Herman N.C. Verboven, Pieter Saeys, Wouter Cano, F. J. Ghannoum, Oula Struik, Paul C. Nicolaï, Bart M. The role of chloroplast movement in C4 photosynthesis: a theoretical analysis using a three-dimensional reaction-diffusion model for maize |
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18 Pág. |
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Research Councils UK |
| author_facet |
Research Councils UK Retta, Moges A. Yin, Xinyou Ho, Quang Tri Watté, Rodrigo Berghuijs, Herman N.C. Verboven, Pieter Saeys, Wouter Cano, F. J. Ghannoum, Oula Struik, Paul C. Nicolaï, Bart M. |
| format |
artículo |
| topic_facet |
3D leaf anatomy Biophysical model CO2 concentrating mechanism Chloroplast movement Gas exchange Leakiness Ray tracing |
| author |
Retta, Moges A. Yin, Xinyou Ho, Quang Tri Watté, Rodrigo Berghuijs, Herman N.C. Verboven, Pieter Saeys, Wouter Cano, F. J. Ghannoum, Oula Struik, Paul C. Nicolaï, Bart M. |
| author_sort |
Retta, Moges A. |
| title |
The role of chloroplast movement in C4 photosynthesis: a theoretical analysis using a three-dimensional reaction-diffusion model for maize |
| title_short |
The role of chloroplast movement in C4 photosynthesis: a theoretical analysis using a three-dimensional reaction-diffusion model for maize |
| title_full |
The role of chloroplast movement in C4 photosynthesis: a theoretical analysis using a three-dimensional reaction-diffusion model for maize |
| title_fullStr |
The role of chloroplast movement in C4 photosynthesis: a theoretical analysis using a three-dimensional reaction-diffusion model for maize |
| title_full_unstemmed |
The role of chloroplast movement in C4 photosynthesis: a theoretical analysis using a three-dimensional reaction-diffusion model for maize |
| title_sort |
role of chloroplast movement in c4 photosynthesis: a theoretical analysis using a three-dimensional reaction-diffusion model for maize |
| publisher |
Oxford University Press |
| publishDate |
2023-08-03 |
| url |
http://hdl.handle.net/10261/334749 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000690 https://api.elsevier.com/content/abstract/scopus_id/85168939833 |
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