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Molecular characterization of an α-N-acetylgalactosaminidase from Clonorchis sinensis
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lee, Myoung-Ro | - |
dc.contributor.author | Yoo, Won Gi | - |
dc.contributor.author | Kim, Yu-Jung | - |
dc.contributor.author | Kim, Dae-Won | - |
dc.contributor.author | Cho, Shin-Hyeong | - |
dc.contributor.author | Hwang, Kwang Yeon | - |
dc.contributor.author | Ju, Jung-Won | - |
dc.contributor.author | Lee, Won-Ja | - |
dc.date.accessioned | 2024-05-02T06:08:57Z | - |
dc.date.available | 2024-05-02T06:08:57Z | - |
dc.date.created | 2024-04-29 | - |
dc.date.created | 2024-04-29 | - |
dc.date.issued | 2012-11 | - |
dc.identifier.citation | Parasitology Research, Vol.111 No.5, pp.2149-2156 | - |
dc.identifier.issn | 0932-0113 | - |
dc.identifier.uri | https://hdl.handle.net/10371/200686 | - |
dc.description.abstract | The alpha-N-acetylgalactosaminidase (alpha-NAGAL) is an exoglycosidase that selectively cleaves terminal alpha-linked N-acetylgalactosamines from a variety of sugar chains. A complementary DNA (cDNA) clone encoding a novel Clonorchis sinensis alpha-NAGAL (Cs-alpha-NAGAL) was identified in the expressed sequence tags database of the adult C. sinensis liver fluke. The complete coding sequence was 1,308 bp long and encoded a 436-residue protein. The selected glycosidase was manually curated as alpha-NAGAL (EC 3.2.1.49) based on a composite bioinformatics analysis including a search for orthologues, comparative structure modeling, and the generation of a phylogenetic tree. One orthologue of Cs-alpha-NAGAL was the Rattus norvegicus alpha-NAGAL (accession number: NP_001012120) that does not exist in C. sinensis. Cs-alpha-NAGAL belongs to the GH27 family and the GH-D clan. A phylogenetic analysis revealed that the GH27 family of Cs-alpha-NAGAL was distinct from GH31 and GH36 within the GH-D clan. The putative 3D structure of Cs-alpha-NAGAL was built using SWISS-MODEL with a Gallus gallus alpha-NAGAL template (PDB code 1ktb chain A); this model demonstrated the superimposition of a TIM barrel fold (alpha/beta) structure and substrate binding pocket. Cs-alpha-NAGAL transcripts were detected in the adult worm and egg cDNA libraries of C. sinensis but not in the metacercaria. Recombinant Cs-alpha-NAGAL (rCs-alpha-NAGAL) was expressed in Escherichia coli, and the purified rCs-alpha-NAGAL was recognized specifically by the C. sinensis-infected human sera. This is the first report of an alpha-NAGAL protein in the Trematode class, suggesting that it is a potential diagnostic or vaccine candidate with strong antigenicity. | - |
dc.language | 영어 | - |
dc.publisher | Springer Verlag | - |
dc.title | Molecular characterization of an α-N-acetylgalactosaminidase from Clonorchis sinensis | - |
dc.type | Article | - |
dc.identifier.doi | 10.1007/s00436-012-3063-y | - |
dc.citation.journaltitle | Parasitology Research | - |
dc.identifier.wosid | 000310229800034 | - |
dc.identifier.scopusid | 2-s2.0-84868095980 | - |
dc.citation.endpage | 2156 | - |
dc.citation.number | 5 | - |
dc.citation.startpage | 2149 | - |
dc.citation.volume | 111 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Yoo, Won Gi | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | REVERSE VACCINOLOGY | - |
dc.subject.keywordPlus | GLYCOSIDASE ACTIVITY | - |
dc.subject.keywordPlus | EVOLUTION | - |
dc.subject.keywordPlus | FAMILY | - |
dc.subject.keywordPlus | EXPRESSION | - |
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