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Prospective CO2 and CO bioconversion into ectoines using novel microbial platforms

Cantera, Sara and Tamarit Chuliá, Daniel and Strong, Peter James and Sanchez-Andrea, Irene and Ettema, Thijs J. G. and Sousa, Diana Z. (2022). Prospective CO2 and CO bioconversion into ectoines using novel microbial platforms. Reviews in Environmental Science and Biotechnology. 21 :3 , 571-581
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Abstract

Microbial conversion of CO2 and CO into chemicals is a promising route that can contribute to the cost-effective reduction of anthropogenic green house and waste gas emissions and create a more circular economy. However, the biotechnological valorization of CO2 and CO into chemicals is still restricted by the limited number of model microorganisms implemented, and the small profit margin of the products synthesized. This perspective paper intends to explore the genetic potential for the microbial conversion of CO2 and CO into ectoines, in a tentative to broaden bioconversion platforms and the portfolio of products from C-1 gas fermentations. Ectoine and hydroxyectoine can be produced by microorganisms growing at high salinity. They are high-value commodities for the pharmaceutical and medical sectors (1000-1200 euro/kg). Currently microbial ectoine production is based on sugar fermentations, but expansion to other more sustainable and cheaper substrates is desirable. In this work, a literature review to identify halophilic microbes able to use CO2 and CO as a carbon source was performed. Subsequently, genomes of this poll of microbes were mined for genes that encode for ectoine and hydroxyectoine synthesis (ectABCD, ask, asd and ask_ect). As a result, we identified a total of 31 species with the genetic potential to synthesize ectoine and 14 to synthesize hydroxyectoine. These microbes represent the basis for the creation of novel microbial-platforms that can promote the development of cost-effective and sustainable valorization chains of CO2 and CO in different industrial scenarios.

Authors/Creators:Cantera, Sara and Tamarit Chuliá, Daniel and Strong, Peter James and Sanchez-Andrea, Irene and Ettema, Thijs J. G. and Sousa, Diana Z.
Title:Prospective CO2 and CO bioconversion into ectoines using novel microbial platforms
Series Name/Journal:Reviews in Environmental Science and Biotechnology
Year of publishing :2022
Volume:21
Number:3
Page range:571-581
Number of Pages:11
Publisher:SPRINGER
ISSN:1569-1705
Language:English
Publication Type:Article Review/Survey
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 2 Engineering and Technology > 208 Environmental Biotechnology > Other Envionmental Biotechnology
Keywords:Valuable compounds, Greenhouse gases, Bioconversion, Gas fermentation, Circular economy
URN:NBN:urn:nbn:se:slu:epsilon-p-118614
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-118614
Additional ID:
Type of IDID
DOI10.1007/s11157-022-09627-y
Web of Science (WoS)000828932600001
ID Code:28782
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Aquatic Sciences and Assessment
Deposited By: SLUpub Connector
Deposited On:05 Sep 2022 13:40
Metadata Last Modified:05 Sep 2022 13:41

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