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A xylanase produced by the rumen anaerobic protozoan Polyplastron multivesiculatum shows close sequence similarity to family 11 xylanases from gram-positive bacteria

Abstract : We report for the first time the cloning and characterisation of a protozoal enzyme involved in plant cell wall polysaccharide degradation. A cDNA library was constructed from the ruminal protozoan Polyplastron multivesiculatum and a stable clone expressing xylanase activity was isolated. The encoded enzyme belongs to the glycoside hydrolase family 11, and phylogenetic analysis indicates a closer relationship with catalytic domains from Gram-positive bacteria than the other fibrolytic eukaryotes from the rumen, the anaerobic fungi.
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https://hal.inrae.fr/hal-02697977
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Submitted on : Monday, June 1, 2020 - 11:44:45 AM
Last modification on : Tuesday, June 22, 2021 - 12:02:02 PM

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Estelle Devillard, C.J. Newbold, K.P. Scott, Evelyne Forano, R.J. Wallace, et al.. A xylanase produced by the rumen anaerobic protozoan Polyplastron multivesiculatum shows close sequence similarity to family 11 xylanases from gram-positive bacteria. FEMS Microbiology Letters, Wiley-Blackwell, 1999, 181, pp.145-152. ⟨10.1111/j.1574-6968.1999.tb08837.x⟩. ⟨hal-02697977⟩

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