Microbial CO2 Fixation Bioprocesses and Desert as Future Carbon Sink

  • Leena Agarwal
  • Nishant A. Dafale
  • Hemant J. PurohitEmail author


Increasing levels of carbon dioxide (CO2) in the atmosphere are causing serious effect on climatic changes. Thereby the most concerned environmental issue is global warming these days. The same culprit carbon dioxide is also involved in the most important process called autotrophy, which supports life on earth. Autotrophy could be one of the probable answers for the management of atmospheric CO2 in an eco-friendly manner. Plants contribute a major part in CO2 fixation but often ignored microbes are also involved in CO2 fixation by different CO2 fixation pathways. Since desert represents sparse green cover, we cannot ignore the microbes present in such soil, which would be contributing for carbon fixation. Oligotrophic soil like desert harbours microbes that are capable of surviving in low-carbon conditions, thus opening an area of research for the study of CO2 fixation by oligotrophs. Since microbes require carbon for their growth, and hence under carbon starvation, they might have the mechanism for autotrophy. By exploring CO2 fixation through oligotrophs of desert, we could probably enrich the desert soil by carbon in near future. Such microbe-based CO2 fixation studies could help us to channelize CO2 for the synthesis of some important bioproducts.


Desert CO2 fixation Autotroph Oligotrophs Carbon sink Carbon cycles 



Authors are thankful to the Director, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur for providing necessary facilities and support. The manuscript has been checked for plagiarism by Knowledge Resource Centre, CSIR-NEERI, Nagpur and assigned KRC No.: CSIR-NEERI/KRC/2017/JULY/EBGD/17.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  • Leena Agarwal
    • 1
  • Nishant A. Dafale
    • 1
  • Hemant J. Purohit
    • 1
    Email author
  1. 1.Environmental Biotechnology and Genomics DivisionCSIR – National Environmental Engineering and Research Institute (CSIR-NEERI)NagpurIndia

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