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KMID : 0545120150250081324
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Journal of Microbiology and Biotechnology
2015 Volume.25 No. 8 p.1324 ~ p.1327
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Isolation of the Phosphoribosyl Anthranilate Isomerase Gene (TRP1) from Starch-Utilizing Yeast Saccharomycopsis fibuligera
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Park Eun-Hee
Kim Myoung-Dong
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Abstract
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The nucleotide sequence of the TRP1 gene encoding phosphoribosyl anthranilate isomerase in yeast Saccharomycopsis fibuligera was determined by degenerate polymerase chain reaction and genome walking. Sequence analysis revealed the presence of an uninterrupted open-reading frame of 759 bp, including the stop codon, encoding a 252 amino acid residue. The deduced amino acid sequence of Trp1 in S. fibuligera was 43.5% homologous to that of Komagataella pastoris. The cloned TRP1 gene (SfTRP1) complemented the trp1 mutation in Saccharomyces cerevisiae, suggesting that it encodes a functional TRP1 in S. fibuligera. A new auxotrophic marker to engineer starch-degrading yeast S. fibuligera is now available. The GenBank Accession No. for SfTRP1 is KR078268.
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KEYWORD
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Phosphoribosyl anthranilate isomerase, TRP1, Saccharomycopsis fibuligera
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