Fungal β-Glycosidase Belonging to Subfamily 4 of Glycoside Hydrolase Family 30 with Transglycosylation Activity
- Authors
- Cha, Ju-Hee; Hong, Minsun; Cha, Chang-Jun
- Issue Date
- Dec-2021
- Publisher
- American Chemical Society
- Keywords
- Fomitopsis palustris; glycoside hydrolase family 30; subfamily 4 of GH30; transglycosylation; β-glycosidase
- Citation
- Journal of Agricultural and Food Chemistry, v.69, no.50, pp 15261 - 15267
- Pages
- 7
- Journal Title
- Journal of Agricultural and Food Chemistry
- Volume
- 69
- Number
- 50
- Start Page
- 15261
- End Page
- 15267
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/54271
- DOI
- 10.1021/acs.jafc.1c05197
- ISSN
- 0021-8561
1520-5118
- Abstract
- Fomitopsis palustris, a prominent wood decayer, is known to produce a variety of glycoside hydrolases (GHs). In this study, we characterized a fungal β-glycosidase belonging to subfamily 4 of GH family 30 (GH30). The recombinant protein (FpGH30) showed the highest hydrolytic activity toward p-nitrophenyl-β-d-fucopyranoside (pNPβFuc), followed by p-nitrophenyl-α-l-arabinopyranoside (pNPαAra) and p-nitrophenyl-β-d-galactopyranoside (pNPβGal). FpGH30 also exhibited transglycosylation activities, which catalyzed the transfer of glycosyl moieties to different glycosides and alkyl alcohols. When pNPβFuc, pNPβGal, and pNPαAra were used as substrates, self-condensation reactions occurred, leading to the production of the corresponding transglycosylated products with yields of 21, 26, and 25%, respectively. The enzyme was also able to catalyze the transfucosylation of pNP derivatives of β-d-glucose, β-d-mannose, and β-d-xylose and alkyl alcohols (C1-C6), producing the corresponding transfucosylated products and alkyl fucosides. Our study indicates that FpGH30 is the first characterized fungal β-glycosidase belonging to subfamily 4 of GH30 with transglycosylation activities. © 2021 American Chemical Society.
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