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Strategies for photosynthetic carbon fixation and carbon flux regulation in cyanobacteria towards carbon neutrality
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Yuefeng JIA1, 2, Jinyi SONG2, 3, 4, Yan ZHANG1, Jinyu CUI2, 3, 4, *, Guodong LUAN2, 3, 4, *, Xuefeng LYU2, 3, 4
Acta Microbiologica Sinica | 2026, 66(9) : 4403 - 4419
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Acta Microbiologica Sinica | 2026, 66(9): 4403-4419
• Review •
Strategies for photosynthetic carbon fixation and carbon flux regulation in cyanobacteria towards carbon neutrality
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Yuefeng JIA1, 2, Jinyi SONG2, 3, 4, Yan ZHANG1, Jinyu CUI2, 3, 4, *, Guodong LUAN2, 3, 4, *, Xuefeng LYU2, 3, 4
Affiliations
  • 1.School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, Shanxi, China
  • 2.State Key Laboratory of Photoelectric Conversion and Utilization of Solar Energy, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, China
  • 3.Shandong Energy Institute, Qingdao, Shandong, China
  • 4.Qingdao New Energy Shandong Laboratory, Qingdao, Shandong, China
Published: 2026-09-04 doi: 10.13343/j.cnki.wsxb.20260332
Outline
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Against the backdrop of global climate change and energy security, developing efficient carbon dioxide utilization technologies has become a strategic core for achieving the “dual carbon” goals. Photosynthetic biomanufacturing, which uses photoautotrophic organisms as chassis to directly convert solar energy and carbon dioxide into biofuels and bio-based chemicals, enables simultaneous carbon fixation, emission reduction, and green synthesis. It stands as a pivotal technology for advancing carbon neutrality. Cyanobacteriota, with their efficient photosynthetic capacity, well-defined genetic background, and mature operational systems, have emerged as highly promising photosynthetic cell chassis. To advance their large-scale application, there is an urgent need to develop highly efficient cyanobacteria-driven photosynthetic carbon fixation cell factories. This review systematically summarizes recent research progress from two dimensions: enhancing photosynthetic carbon fixation efficiency and achieving precise carbon flux direction toward target products. In terms of photosynthetic carbon fixation, this review mainly focuses on strategies such as endogenous pathway optimization, external material-enabled enhancement, and chassis exploration and reshaping for constructing efficient and stable photosynthetic carbon fixation systems. Regarding carbon flux direction and product synthesis, this review analyzes the implementation pathways for precise carbon resource orientation and efficient synthesis of complex products, centered on single-strain metabolic engineering and multi-strain modular collaboration. Finally, this review outlines future development directions in this field. The review aims to provide theoretical references and technical pathways for the systematic construction of cyanobacteria-driven photosynthetic carbon fixation cell factories, thereby contributing to the achievement of carbon neutrality.

cyanobacteria  /  light-driven carbon fixation  /  cell factory  /  material-biological hybrid  /  modular co-cultivation
Yuefeng JIA, Jinyi SONG, Yan ZHANG, Jinyu CUI, Guodong LUAN, Xuefeng LYU. Strategies for photosynthetic carbon fixation and carbon flux regulation in cyanobacteria towards carbon neutrality[J]. Acta Microbiologica Sinica, 2026 , 66 (9) : 4403 -4419 . DOI: 10.13343/j.cnki.wsxb.20260332
Funding
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  • the Key Research and Development Program of Shandong Province(2022SFGC0103)
  • the National Key Research and Development Program of China(2021YFA0909700)
  • the National Natural Science Foundation of China(32300058)
  • the Natural Science Foundation of Shandong Province(ZR2023QC214)
Appendix
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Year 2026 volume 66 Issue 9
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135
61
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Article Info
doi: 10.13343/j.cnki.wsxb.20260332
  • Receive Date：2026-04-24
  • Online Date：2026-09-09
  • Published：2026-09-04
Article Data
Affiliations
History
  • Received：2026-04-24
  • Accepted：2026-05-28
Funding
the Key Research and Development Program of Shandong Province(2022SFGC0103)
the National Key Research and Development Program of China(2021YFA0909700)
the National Natural Science Foundation of China(32300058)
the Natural Science Foundation of Shandong Province(ZR2023QC214)
Affiliations
    1.School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, Shanxi, China
    2.State Key Laboratory of Photoelectric Conversion and Utilization of Solar Energy, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, China
    3.Shandong Energy Institute, Qingdao, Shandong, China
    4.Qingdao New Energy Shandong Laboratory, Qingdao, Shandong, China

Corresponding:

*E-mail: CUI Jinyu,
LUAN Guodong,
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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