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    • 27. 发明公开
    • CELL MODIFICATION METHOD USING ESSENTIAL GENES AS MARKERS AND OPTIONALLY RECYCLING THESE
    • ZELLMODIFIZIERUNGSVERFAHREN UNTER VERWENDUNG VON ESSENTIELLEN GENAL ALS MARKER UND OPTIONALEM RECYCLING DIESER
    • EP2898076A1
    • 2015-07-29
    • EP13763111.5
    • 2013-09-19
    • DSM IP Assets B.V.
    • LANGE, DE, IlseMEIJRINK, BernardROUBOS, Johannes, AndriesOOI, Siew-loon
    • C12N15/65C12N15/80
    • C12N15/65C12N15/80C12N15/81
    • The invention relates to a method for modification of a host cell at a target locus, which method comprises: providing a host cell comprising, at a first locus, at least two site-specific recombination sites and a nucleic acid having an essential function or encoding a product having an essential function; introducing into the host cell, at the target locus, a further nucleic acid having the essential function or encoding for a product having the essential function; and carrying out recombination at the first locus via the at least two site-specific recombination sites, so that the nucleic acid having an essential function or encoding a product having an essential function is rendered non-functional, thereby to modify the host cell at the target locus. The invention also relates to a cell obtainable by a method of the invention.
    • 本发明涉及用于在靶标位点修饰宿主细胞的方法,该方法包括:提供宿主细胞,其在第一场所包含至少两个位点特异性重组位点和具有基本功能或编码的核酸 具有基本功能的产品; 在目标基因座的宿主细胞中引入具有基本功能或编码具有基本功能的产品的另外的核酸; 并通过至少两个位点特异性重组位点在第一位点进行重组,使得具有基本功能或编码具有基本功能的产物的核酸变得不起作用,从而修饰宿主细胞 目标位点。 本发明还涉及通过本发明的方法获得的细胞。
    • 30. 发明公开
    • NUCLEIC ACID ASSEMBLY SYSTEM
    • 系统对于核酸安排
    • EP2783000A1
    • 2014-10-01
    • EP12788597.8
    • 2012-11-23
    • DSM IP Assets B.V.
    • ROUBOS, Johannes, AndriesMEIJRINK, BernardKERKMAN, RichardDULK, DEN, Ben
    • C12N15/10C12N15/52C40B40/06C40B40/08
    • C12N15/1082C12N15/1027C12N15/1093C12N15/52C12N15/80C12N15/905
    • The present invention relates to a method for the preparation of a library of host cells, a plurality of which comprise an assembled polynucleotide at a target locus, which method comprises: (a) providing a plurality of polynucleotides comprising two or more polynucleotide subgroups, wherein: (i) a plurality of polynucleotides in each polynucleotide subgroup comprises sequence encoding a peptide or polypeptide and/or a regulatory sequence; (ii) a plurality of peptides or polypeptides encoded by, or a plurality of regulatory sequences comprised within, each polynucleotide subgroup share an activity and/or function; (iii) at least one polynucleotide subgroup comprises at least two non-identical polynucleotide species; (iv) a plurality of polynucleotides of each polynucleotide subgroup comprises sequence enabling homologous recombination with a plurality of polynucleotides from one or more other polynucleotide subgroups; and (v) a plurality of polynucleotides in two polynucleotide subgroups comprise a nucleotide sequence enabling homologous recombination with a target locus in host cells; and (b) assembling the plurality of polynucleotides at the target locus by homologous recombination in vivo in host cells, thereby to generate a library of host cells, a plurality of which comprise an assembled polynucleotide at the target locus. The assembled polynucleotides may be recovered, thereby to prepare a library of nucleic acids.