Modification of cryptic splice sites in heterologous genes expre

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

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435 914, 43525411, 4353201, 435 691, 536 231, C12Q 168, C12P 1934, C12N 115, C07H 2104

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057703710

ABSTRACT:
The present invention relates to methods for obtaining a fungal host cell comprising a nucleic acid sequence encoding a heterologous polypeptide, wherein at least one cryptic splice site is modified in the nucleic acid sequence. The present invention also relates to a nucleic acid sequence(s) with a modified cryptic splice site(s) as well as nucleic acid constructs, vectors, and host cells comprising said nucleic acid sequence(s). The present invention further relates to methods for recombinant production of a polypeptide encoded by said nucleic acid sequence.

REFERENCES:
patent: 5498531 (1996-03-01), Jarrell
Chanfreau et al.. Interaction between the first and last nucleotides of pre-mRNA introns is a determinant of 3' splice site selection in S. cerevisiae. Nuc. Acids Res. vol. 22(11):1981-1987, Jun. 11, 1994.
Guo et al.. The mobile group 1 intron 3 alpha of the yeast mitochondrial COXI gene encodes a 35-kDA processed protein that is an endonuclease but not a maturase. J. Biol. Chem. vol. 270(26):15563-15570, Jul. 11, 1995.

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