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Biodegradation of alkaline lignin by Bacillus ligniniphilus L1

Journal Article · · Biotechnology for Biofuels
 [1];  [2];  [2];  [3];  [2];  [4];  [5]
  1. Jiangsu Univ., Zhenjiang, Jiangsu (China). School of Environment and Safety Engineering; Guangdong Inst. of Microbiology, Guangzhou, Guangdong (China). State Key Lab. of Microbial Culture Collection and Application
  2. Jiangsu Univ., Zhenjiang, Jiangsu (China). School of Environment and Safety Engineering
  3. Guangdong Inst. of Microbiology, Guangzhou, Guangdong (China). State Key Lab. of Microbial Culture Collection and Application
  4. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Biological Sciences Division and Environmental Molecular Sciences Lab.
  5. Washington State Univ., Pullman, WA (United States). Bioproducts, Sciences and Engineering Lab., Dept. of Biological Systems Engineering
Lignin is the most abundant aromatic biopolymer in the biosphere and it comprises up to 30% of plant biomass. Although lignin is the most recalcitrant component of the plant cell wall, still there are microorganisms able to decompose it or degrade it. Fungi are recognized as the most widely used microbes for lignin degradation. However, bacteria have also been known to be able to utilize lignin as a carbon or energy source. Bacillus ligniniphilus L1 was selected in this study due to its capability to utilize alkaline lignin as a single carbon or energy source and its excellent ability to survive in extreme environments. To investigate the aromatic metabolites of strain L1 decomposing alkaline lignin, GC–MS analysis was performed and fifteen single phenol ring aromatic compounds were identified. The dominant absorption peak included phenylacetic acid, 4-hydroxy-benzoicacid, and vanillic acid with the highest proportion of metabolites resulting in 42%. Comparison proteomic analysis was carried out for further study showed that approximately 1447 kinds of proteins were produced, 141 of which were at least twofold up-regulated with alkaline lignin as the single carbon source. The up-regulated proteins contents different categories in the biological functions of protein including lignin degradation, ABC transport system, environmental response factors, protein synthesis, assembly, etc. In conclusion, GC–MS analysis showed that alkaline lignin degradation of strain L1 produced 15 kinds of aromatic compounds. Comparison proteomic data and metabolic analysis showed that to ensure the degradation of lignin and growth of strain L1, multiple aspects of cells metabolism including transporter, environmental response factors, and protein synthesis were enhanced. Based on genome and proteomic analysis, at least four kinds of lignin degradation pathway might be present in strain L1, including a Gentisate pathway, the benzoic acid pathway and the β-ketoadipate pathway. The study provides an important basis for lignin degradation by bacteria.
Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
Grant/Contract Number:
AC05-76RL01830; EE0006112
OSTI ID:
1357047
Alternate ID(s):
OSTI ID: 1355089
Report Number(s):
PNNL-SA--124233; PII: 735
Journal Information:
Biotechnology for Biofuels, Journal Name: Biotechnology for Biofuels Journal Issue: 1 Vol. 10; ISSN 1754-6834
Publisher:
BioMed CentralCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (19)

Lignin Valorization: Two Hybrid Biochemical Routes for the Conversion of Polymeric Lignin into Value-added Chemicals journal August 2017
Whole metagenome sequencing reveals links between mosquito microbiota and insecticide resistance in malaria vectors journal February 2018
Erratum for Ho et al., “Complete Genome Sequence of Acinetobacter calcoaceticus CA16, a Bacterium Capable of Degrading Diesel and Lignin” journal August 2017
Genomics and biochemistry investigation on the metabolic pathway of milled wood and alkali lignin-derived aromatic metabolites of Comamonas serinivorans SP-35 journal December 2018
Bacterial Valorization of Lignin: Strains, Enzymes, Conversion Pathways, Biosensors, and Perspectives journal September 2019
Additional file 1 of Elucidation of ligninolysis mechanism of a newly isolated white-rot basidiomycete Trametes hirsuta X-13 image January 2021
Additional file 2 of Elucidation of ligninolysis mechanism of a newly isolated white-rot basidiomycete Trametes hirsuta X-13 image January 2021
Additional file 4 of Elucidation of ligninolysis mechanism of a newly isolated white-rot basidiomycete Trametes hirsuta X-13 dataset January 2021
Additional file 5 of Elucidation of ligninolysis mechanism of a newly isolated white-rot basidiomycete Trametes hirsuta X-13 dataset January 2021
Additional file 6 of Elucidation of ligninolysis mechanism of a newly isolated white-rot basidiomycete Trametes hirsuta X-13 image January 2021
Additional file 8 of Elucidation of ligninolysis mechanism of a newly isolated white-rot basidiomycete Trametes hirsuta X-13 image January 2021
Biotransformation of lignin: Mechanisms, applications and future work journal October 2019
Polyurethanes from Recovered and Depolymerized Lignins
  • Rodrigues, Alírio Egídio; Pinto, Paula Cristina de Oliveira Rodrigue; Barreiro, Maria Filomena
  • An Integrated Approach for Added-Value Products from Lignocellulosic Biorefineries https://doi.org/10.1007/978-3-319-99313-3_3
book January 2018
Mapping the diversity of microbial lignin catabolism: experiences from the eLignin database journal April 2019
Biodegradation of lignin by Pseudomonas sp. Q18 and the characterization of a novel bacterial DyP-type peroxidase journal July 2018
Potential of Bacillus subtilis from marine environment to degrade aromatic hydrocarbons journal July 2019
Genomic and proteomic analysis of lignin degrading and polyhydroxyalkanoate accumulating β-proteobacterium Pandoraea sp. ISTKB journal June 2018
Recent advances in lignin valorization with bacterial cultures: microorganisms, metabolic pathways, and bio-products journal February 2019
Genomic analysis of Burkholderia sp. ISTR5 for biofunneling of lignin-derived compounds journal November 2019


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