Journal
LETTERS IN APPLIED MICROBIOLOGY
Volume 58, Issue 2, Pages 123-129Publisher
WILEY
DOI: 10.1111/lam.12163
Keywords
biodegradation; endophytic bacteria; lignin degradation; Pantoea sp; Sd-1; rice straw degradation
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Funding
- National Natural Science Foundation of China [51378191]
- Hunan Provincial Natural Science Foundation [12JJ6023]
- Guizhou Province Science and Technology Project [NY- (2011) 3008]
- Ministry of Education of China [20110161120020]
- Science and Technology Planning Project of Hunan Province, China [2010FJ4105, 2013WK4007]
- Fundamental Research Funds for the Central Universities
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This study focused on an endophytic bacterial strain, Pantoea sp. Sd-1, which can be used to degrade lignin and rice straw. This strain was isolated from rice seeds by an optimized surface sterilization method. Pantoea sp. Sd-1 showed exceptional ability to degrade rice straw and lignin. In rice straw or kraft lignin-containing medium supplemented with 1% glucose and 0.5% peptone, Pantoea sp. Sd-1 effectively reduced the rice straw mass weight by 54.5% after 6days of treatment. The strain was also capable of reducing the lignin colour (52.4%) and content (69.1%) after 4 days of incubation. The findings suggested that the rice endophytic bacterium Pantoea sp. Sd-1 could be applied for the degradation of lignocellulose biomass, such as rice straw.
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