Madras Agricultural Journal
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Research Article | Open Access | Peer Review

Evaluation of efficient transformation method for xylose reductase gene integration in Pichia pastoris GS115

Volume : 107
Issue: December(10-12)
Pages: 1 -
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Published: January 07, 2021
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Abstract


Pichia pastoris remains an amicable host for the expression of heterologous protein from eukaryotes. Achieving a high level of expression of yeast in the recombinant host has remained a challenge. Apart from the codon preference of genes and proper protein folding for efficient expression of the heterologous gene, the main bottleneck is to efficiently integrate the heterologous gene into the host DNA. The present study evaluated the choice of available transformation methods such as lithium chloride, electroporation, and spheroplast for efficient integration of xylose reductase (Xr) gene of Candida tropicalis in P. pastoris. The results revealed that electro transformation was found to be an efficient method for the transformation for xr in P. pastoris, yielding 1 x 106 transformants, followed by the lithium chloride method registering 2 x 103 transformants.

DOI
Pages
1 -
Creative Commons
Copyright
© The Author(s), 2025. Published by Madras Agricultural Students' Union in Madras Agricultural Journal (MAJ). This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the original work is properly cited by the user.

Keywords


Pichia pastoris; xylose reductase; Transformation
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