首页|Harnessing the power of cellulolytic nitrogen-fixing bacteria for biovalorization of lignocellulosic biomass
Harnessing the power of cellulolytic nitrogen-fixing bacteria for biovalorization of lignocellulosic biomass
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NSTL
Elsevier
? 2022 Elsevier B.V.Lignocellulosic biomass (LCB) is produced in large quantities throughout the world every year and represents a major sink for photosynthetically fixed carbon. However, in some countries, lignocellulosic materials are viewed as agricultural by-products and are often burned to quickly prepare the land for the next cropping season. This environmentally unfriendly practice contributes to greenhouse gas (GHG) emissions and the loss of renewable carbon-based resources. When used properly, LCB can be an inexhaustible source of renewable energy, soil conditioners, and other sustainable materials. To this end, leveraging microbial power to unlock the multifunctional value of LCB is presented as one of the very promising pathways toward sustainable development. However, LCB, despite its high carbon content, has a low nitrogen concentration, which may limit its microbial degradation in environments with little or no additional nitrogen. Fortunately, some cellulolytic bacteria can produce bioavailable nitrogen through nitrogen fixation and play a key role in LCB digestion in wood-boring organisms. In this review, we discuss how cellulolytic nitrogen-fixing bacteria (CNFB) can enhance the conversion of LCB into various bioproducts (e.g., biofuels and soil conditioners). Based on the knowledge of the biotechnological potential of CNFB disseminated in this review, there are prospects for further research to biovalorize LCB towards a carbon-neutral circular economy.
Bio-productsBiovalorizationCellulolytic Nitrogen-fixing BacteriaLignocellulosic biomassSustainable Development
Harindintwali J.D.、Wang F.、Yang W.、Yu X.、Zhou J.、Muhoza B.、Mugabowindekwe M.
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CAS Key Laboratory of Soil Environment and Pollution Remediation Institute of Soil Science Chinese Academy of Sciences
Key Laboratory of Carbohydrate Chemistry & Biotechnology Ministry of Education School of Biotechnology Jiangnan University
Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy School of Liquor and Food Engineering Guizhou University
College of Food Science Northeast Agricultural University
Department of Geosciences and Natural Resources Management University of Copenhagen
NSTL
Elsevier
