Journal
SPRINGERPLUS
Volume 5, Issue -, Pages -Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1186/s40064-016-2237-y
Keywords
16S rRNA gene sequencing; Burkholderia; Lignin-associated aromatic monomer; Lignin-degrading bacterium
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Funding
- Science and Technology Research Partnership for Sustainable Development (SATREPS), under Japan Science and Technology Agency (JST)
- Japan International Cooperation Agency (JICA)
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Microbial degradation of lignin releases fermentable sugars, effective utilization of which could support biofuel production from lignocellulosic biomass. In the present study, a lignin-degrading bacterium was isolated from leaf soil and identified as Burkholderia sp. based on 16S rRNA gene sequencing. This strain was named CCA53, and its lignin-degrading capability was assessed by observing its growth on medium containing alkali lignin or lignin-associated aromatic monomers as the sole carbon source. Alkali lignin and at least eight lignin-associated aromatic monomers supported growth of this strain, and the most effective utilization was observed for p-hydroxybenzene monomers. These findings indicate that Burkholderia sp. strain CCA53 has fragmentary activity for lignin degradation.
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