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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제30권 제2호
- 발행연도
- 2020.1
- 수록면
- 155 - 162 (8page)
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Acetyl xylan esterase (AXE; E.C. 3.1.1.72) is one of the accessory enzymes for xylan degradation, which can remove the terminal acetate residues from xylan polymers. In this study, two genes encoding putative AXEs (LaAXE and BhAXE) were cloned from Lactobacillus antri DSM 16041 and Bacillus halodurans C-125, and constitutively expressed in Escherichia coli. They possess considerable activities towards various substrates such as p-nitrophenyl acetate, 4-methylumbelliferyl acetate, glucose pentaacetate, and 7-amino cephalosporanic acid. LaAXE and BhAXE showed the highest activities at pH 7.0 and 8.0 at 50o C, respectively. These enzymes are AXE members of carbohydrate esterase (CE) family 7 with the cephalosporine-C deacetylase activity for the production of antibiotics precursors. The simultaneous treatment of LaAXE with Thermotoga neapolitana β-xylanase showed 1.44-fold higher synergistic degradation of beechwood xylan than the single treatment of xylanase, whereas BhAXE showed no significant synergism. It was suggested that LaAXE can deacetylate beechwood xylan and enhance the successive accessibility of xylanase towards the resulting substrates. The novel LaAXE originated from a lactic acid bacterium will be utilized for the enzymatic production of D-xylose and xylooligosaccharides.
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참고문헌 (31)
참고문헌 신청
Huang YC / 2010 / Heterologous expression of thermostable acetylxylan esterase gene from Thermobifida fusca and its synergistic action with xylanase for the production of xylooligosaccharides / Biochem. Biophys. Res. Commun 400:718~723
Zheng F / 2013 / A novel neutral xylanase with high SDS resistance from Volvariella volvacea : characterization and its synergistic hydrolysis of wheat bran with acetyl xylan esterase / J. Ind. Microbiol. Biotechnol 40:1083~1093
Hettiarachchi SA / 2019 / Characterization of an acetyl xylan esterase from the marine bacterium Ochrovirga pacifica and its synergism with xylanase on beechwood xylan / Microb. Cell Fact 18:122
Malgas S / 2019 / A mini review of xylanolytic enzymes with regards to their synergistic interactions during hetero-xylan degradation / World J. Microbiol. Biotechnol 35(12):187
Biely P / 2012 / Microbial carbohydrate esterases deacetylating plant polysaccharides / Biotechnol. Adv 30:1575~1588
Zheng F / 2013 / A novel neutral xylanase with high SDS resistance from Volvariella volvacea : characterization and its synergistic hydrolysis of wheat bran with acetyl xylan esterase / J. Ind. Microbiol. Biotechnol 40:1083~1093
Hettiarachchi SA / 2019 / Characterization of an acetyl xylan esterase from the marine bacterium Ochrovirga pacifica and its synergism with xylanase on beechwood xylan / Microb. Cell Fact 18:122
Malgas S / 2019 / A mini review of xylanolytic enzymes with regards to their synergistic interactions during hetero-xylan degradation / World J. Microbiol. Biotechnol 35(12):187
Biely P / 2012 / Microbial carbohydrate esterases deacetylating plant polysaccharides / Biotechnol. Adv 30:1575~1588
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