Reference: Pan H, et al. (2000) [Effects of gene copy number and chromosomal position on the expression of a modified HBsAg gene SA-28 in yeast]. Sheng Wu Gong Cheng Xue Bao 16(2):124-8

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Abstract


The effect of gene copy number and chromosomal position on heterologous gene expression in Saccharomyces cerevisae has been tentatively investigated using a modified hepatitis B virus surface antigen SA-28 gene. The plasmids containing different copies of SA-28 gene expression cassette were integrated into different chromosomal loci via FLP recombinase mediated targeted integration. The expression of SA-28 gene in the resultant transformants was then measured. The result indicated that the expression of SA-28 gene was positively related to the gene dosage at HIS3 locus and had chromosomal polarity at several chromosomal loci.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Pan H, Gao XD, Wang F, Yuan HY, Li YY
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