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    • 12. 发明专利
    • ES515241A0
    • 1983-08-16
    • ES515241
    • 1982-08-25
    • KINGSMAN ALAN JOHNKINGSMAN SUSAN MARY
    • C12N15/09C07H21/04C07K14/56C12N1/16C12N15/00C12N15/81C12P21/00C12R1/865
    • There are described a number of plasmid vectors suitable for the expression of genetic material, at various levels in yeasts. The plasmids each comprise a yeast selective marker, a yeast replication origin and a yeast promoter positioned relative to a unique restriction site in such a way that expression may be obtained of a polypeptide coding sequence inserted at the restriction site. The promoters used are derived from the 5' region of a gene coding for a yeast glycolytic enzyme e.g. phosphoglycerate kinase (PGK), or from the 5' region of the yeast TRP1 gene. In one Example a plasmid contains a promoter derived from both the 3' and 5' regions of the PGK gene. The replication systems used involve the yeast 2µ replication origin or an autonomous replicating sequence (ARS) stabilised with an ARS stabilising sequence (ASS). The replication systems allow for a choice of high or low copy number per cell. The promoter sequences allow for a choice of high or low expression level. A kit including vectors having a combination of these alternative features is described. Yeast expression vectors including a gene for coding for human interferon-a are described.
    • 20. 发明申请
    • DIFFERENTIAL EXPRESSION SCREENING METHOD
    • 差分表达式筛选方法
    • WO0162965A3
    • 2002-09-06
    • PCT/GB0100758
    • 2001-02-22
    • OXFORD BIOMEDICA LTDKINGSMAN ALAN JOHN
    • KINGSMAN ALAN JOHN
    • G01N33/50C12N15/09C12Q1/68G01N33/68
    • C12Q1/6809
    • A differential expression screening method is provided for identifying a genetic element involved in a cellular process, which method comprises comparing: (a) gene expression in a first cell of interest; and (b) gene expression in a second cell of interest, which cell comprises altered levels, relative to physiological levels, of a biological molecule implicated in the cellular process, due to the introduction into the second cell of a heterologous nucleic acid directing expression of a polypeptide; and identifying a genetic element whose expression differs, wherein gene expression in said first and/or second cell of interest is compared under at least two different environmental conditions relevant to the cellular process.
    • 提供用于鉴定涉及细胞过程的遗传元件的差异表达筛选方法,该方法包括比较:(a)感兴趣的第一细胞中的基因表达; 和(b)在第二细胞中的基因表达,该细胞包括与细胞过程相关的生物分子相对于生理水平的改变的水平,这是由于引入到第二细胞中的异源核酸的指导表达 多肽; 并鉴定其表达不同的遗传元件,其中在与细胞过程相关的至少两个不同环境条件下比较所述第一和/或第二细胞中的基因表达。