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Identification of two beta-tubulin isotypes of Clonorchis sinensis

Cited 3 time in Web of Science Cited 4 time in Scopus
Authors
Li, Shunyu; Hong, Sung-Jong; Choi, Min-Ho; Hong, Sung-Tae
Issue Date
2009-10
Publisher
SPRINGER
Citation
PARASITOLOGY RESEARCH; Vol.105 4; 1015-1021
Abstract
The -tubulin coding sequences were investigated for the Chinese liver fluke, Clonorchis sinensis. A cDNA library of adult C. sinensis was screened with cDNA probes synthesized by polymerase chain reaction using degenerate primers, and two -tubulin cDNAs, CsTB1 and CsTB3, were subsequently cloned. The CsTB1 and CsTB3 cDNA were 2,082 and 1,486 bp long and encoded 445 and 444 amino acids, respectively. The two clones were identical 78% in their coding sequences and 97% in deduced sequences. Moreover, the CsTB1 had 3`-UTR 592 bp longer than that of CsTB3. The CsTB1 and CsTB3 polypeptides were highly homologous (88-99%) with those of known -tubulins of other helminthes with a variation at the C-terminal region. In CsTB1 and CsTB3 polypeptides, two amino acids Tyr 200 and Phe 167 were conserved. The phylogenetic analysis of selected sequences indicates that the -tubulins can be organized into five groups and that the two -tubulin isotypes of C. sinensis are contained within one group with those of other trematodes and vertebrates.
ISSN
0932-0113
Language
English
URI
http://hdl.handle.net/10371/77569
DOI
https://doi.org/10.1007/s00436-009-1512-z
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College of Medicine/School of Medicine (의과대학/대학원)Parasitology and Tropical Medicine (기생충학전공)Journal Papers (저널논문_기생충학전공)
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