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    • 6. 发明申请
    • RNA VIRUS-DERIVED PLANT EXPRESSION SYSTEM
    • RNA病毒衍生植物表达系统
    • WO2005049839A3
    • 2005-11-03
    • PCT/EP2004012743
    • 2004-11-10
    • ICON GENETICS AGMARILLONNET SYLVESTRETHOERINGER CAROLAKLIMYUK VICTORGLEBA YURI
    • MARILLONNET SYLVESTRETHOERINGER CAROLAKLIMYUK VICTORGLEBA YURI
    • C12N15/82A01H5/00
    • C12N15/8257C12N15/8203C12N15/8205C12N15/8216C12P21/00
    • A process of expressing a sequence of interest in a plant, plant part, or plant cell culture, comprising: (a) providing a plant, plant part, or plant cell culture containing in cell nuclei a heterologous DNA having a sequence encoding an RNA replicon operably linked or linkable to a transcription promoter, wherein said sequence encoding an RNA replicon contains (i) sequences for replicon function of said RNA replicon, said sequences being derived from a sequence of a plant RNA virus, (ii) a sequence of interest, whereby said sequences for replicon function exhibit at selected localities of said sequences of said plant RNA virus function­conservative differences from said sequence of said plant RNA virus, said differences causing an increased frequency of replicon formation compared to an RNA replicon not exhibiting said differences; and (b) causing expression of said sequence of interest.
    • 在植物,植物部分或植物细胞培养物中表达感兴趣的序列的方法,包括:(a)提供在细胞核中含有编码RNA复制子的序列的异源DNA的植物,植物部分或植物细胞培养物 其可编码RNA复制子的所述序列包含(i)所述RNA复制子的复制子功能的序列,所述序列衍生自植物RNA病毒的序列,(ii)感兴趣的序列, 其中所述用于复制子功能的序列在所述植物RNA病毒功能的所述序列的所选序列的所选位点处表现出与所述植物RNA病毒的所述序列相比的所述差异,所述差异导致复制子形成的频率增加而不显示所述差异的RNA复制子; 和(b)引起所述感兴趣序列的表达。