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Enhanced RuBisCO activity and promoted dicotyledons growth with degradable carbon dots

  • Hao Li
  • Jian Huang
  • Yang LiuEmail author
  • Fang Lu
  • Jun Zhong
  • Yong Wang
  • Shuiming Li
  • Yeshayahu LifshitzEmail author
  • Shuit-Tong Lee
  • Zhenhui KangEmail author
Research Article
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Abstract

The ∼ 5 nm degradable carbon dots (CDs) were synthesized directly from carbon rod by a one-step electrochemical method at room temperature. The as-prepared CDs can effectively enhance the ribulose bisphosphate carboxylase oxygenase (RuBisCO) activity, and then promote the dicotyledons growth (soybean, tomato, eggplant and so on) and finally increase their yields. Here, we used Arabidopsis thaliana and Trifolium repens L. as model plants to systematically study the beneficial effects of CDs on plant growth. These include: (i) accelerating seed germination; (ii) enlarging root elongation; (iii) increasing metal ions absorption and delivery; (iv) improving enzymes activity; (v) enhancing the carbohydrate content; (vi) degradation into plant hormone analogues and CO2; and finally (vii) enhancing the grain production by about 20%.

Keywords

carbon dots bio-degradation photosynthesis plant life cycle improve growth 

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Notes

Acknowledgements

This work is supported by the National MCF Energy R&D Program (No. 2018YFE0306105), the National Natural Science Foundation of China (Nos. 51725204, 51572179, 21771132, and 21471106), the Natural Science Foundation of Jiangsu Province (No. BK20161216), Collaborative Innovation Center of Suzhou Nano Science & Technology, the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), and the 111 Project.

Supplementary material

12274_2019_2397_MOESM1_ESM.pdf (6.3 mb)
Enhanced RuBisCO activity and promoted dicotyledons growth with degradable carbon dots

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Copyright information

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and DevicesSoochow UniversitySuzhouChina
  2. 2.School of biology & basic medical sciencesSoochow universitySuzhouChina
  3. 3.College of Life Science and Oceanography, Shenzhen Key Laboratory of Marine Bioresources and EcologyShenzhen UniversityShenzhenChina
  4. 4.School of Basic Medical SciencesBeijing University of Chinese MedicineBeijingChina
  5. 5.Department of Materials Science and Engineering, TechnionIsrael Institute of TechnologyHaifaIsrael

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