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    • 1. 发明公开
    • Novel phytase, method for obtaining the same and use thereof
    • Neuartige Phytase,Verfahren zur Herstellung davon und Verwendung davon
    • EP3018203A1
    • 2016-05-11
    • EP14192111.4
    • 2014-11-06
    • Fertinagro Nutrientes, S.L.
    • Atares-Real, SergioMartin-Perez, JuliaRomero-Lopez, JoaquínSalaet-Madorran, IgnasiMarques-Mascarell, RamónAligue, Rosa
    • C12N9/16C12N15/81A23K20/168
    • C12N9/16A23K20/189C12Y301/03008
    • The invention generally relates to novel and improved nucleic acid sequences encoding a polypeptide or protein having the enzymatic activity of a phytase and methods for effectively expressing such enzymes in a host cell.
      In a first aspect, the present invention relates an isolated nucleic acid molecule i) comprising the nucleotide sequence according to SEQ ID NO: 1 encoding a protein with phytase activity or ii) having a sequence identity of at least 78 % to a nucleotide sequence according to SEQ ID NO: 1 encoding a protein with phytase activity.
      The present invention also relates to an expression construct or a vector comprising the above mentioned isolated nucleic acid molecule. The present invention further relates to a method of producing a protein having the enzymatic activity of a phytase comprising the steps of:
      a) introducing into a host cell a vector comprising:
      i) elements regulating the expression that are functional in the host cell; and
      ii) operatively linked thereto a nucleic acid molecule according to the invention;

      b) cultivating the host cells obtained in step a) under conditions suitable for expression of the protein, and optionally
      c) recovering the protein produced in step b) from the cell culture.
      The present invention further relates to proteins obtained by the method according to the invention and the use thereof for the manufacture of additives for animal feed.
    • 本发明通常涉及编码具有植酸酶的酶活性的多肽或蛋白质的新型和改进的核酸序列,以及在宿主细胞中有效表达该酶的方法。 在第一方面,本发明涉及分离的核酸分子i),其包含编码具有植酸酶活性的蛋白质的SEQ ID NO:1的核苷酸序列,或ii)与核苷酸序列具有至少78%的序列同一性的分离的核酸分子 至编码具有植酸酶活性的蛋白质的SEQ ID NO:1。 本发明还涉及包含上述分离的核酸分子的表达构建体或载体。 本发明还涉及生产具有肌醇六磷酸酶的酶活性的蛋白质的方法,包括以下步骤:a)向宿主细胞中引入载体,所述载体包含:i)调节宿主细胞中功能的表达的元件; 和ii)可操作地连接到其上的根据本发明的核酸分子; b)在适于表达蛋白质的条件下培养在步骤a)中获得的宿主细胞,以及任选地c)从细胞培养物中回收步骤b)中产生的蛋白质。 本发明还涉及通过本发明的方法获得的蛋白质及其用于制造动物饲料添加剂的用途。
    • 8. 发明公开
    • NOVEL PHYTASE, METHOD FOR OBTAINING THE SAME AND USE THEREOF
    • 新型植物酶,获得其的方法及其用途
    • EP3215610A1
    • 2017-09-13
    • EP15791583.6
    • 2015-11-05
    • Fertinagro Nutrientes, S.L.
    • ATARES-REAL, SergioMARTIN-PEREZ, JuliaROMERO-LOPEZ, JoaquínSALAET-MADORRAN, IgnasiMARQUES-MASCARELL, RamónALIGUE, Rosa
    • C12N9/16C12N15/81
    • C12N9/16A23K20/189C12Y301/03008
    • The invention generally relates to novel and improved nucleic acid sequences encoding a polypeptide or protein having the enzymatic activity of a phytase and methods for effectively expressing such enzymes in a host cell. In a first aspect, the present invention relates an isolated nucleic acid molecule i) comprising the nucleotide sequence according to SEQ ID NO: 1 encoding a protein with phytase activity or ii) having a sequence identity of at least 78 % to a nucleotide sequence according to SEQ ID NO: 1 encoding a protein with phytase activity. The present invention also relates to an expression construct or a vector comprising the above mentioned isolated nucleic acid molecule. The present invention further relates to a method of producing a protein having the enzymatic activity of a phytase comprising the steps of: a) introducing into a host cell a vector comprising: i) elements regulating the expression that are functional in the host cell; and ii) operatively linked thereto a nucleic acid molecule according to the invention; b) cultivating the host cells obtained in step a) under conditions suitable for expression of the protein, and optionally c) recovering the protein produced in step b) from the cell culture. The present invention further relates to proteins obtained by the method according to the invention and the use thereof for the manufacture of additives for animal feed.
    • 本发明一般涉及编码具有肌醇六磷酸酶酶活性的多肽或蛋白质的新型和改进的核酸序列,以及在宿主细胞中有效表达这些酶的方法。 在第一方面,本发明涉及分离的核酸分子i),其包含编码具有植酸酶活性的蛋白质的根据SEQ ID NO:1的核苷酸序列或ii)与根据SEQ ID NO:1的核苷酸序列具有至少78%的序列同一性的分离的核酸分子i) 至编码具有肌醇六磷酸酶活性的蛋白质的SEQ ID NO:1。 本发明还涉及包含上述分离的核酸分子的表达构建体或载体。 本发明进一步涉及产生具有植酸酶酶活性的蛋白质的方法,包括以下步骤:a)将载体导入宿主细胞,所述载体包含:i)调节在宿主细胞中有功能的表达的元件; 和ii)与其有效连接的根据本发明的核酸分子; b)在适于表达蛋白质的条件下培养步骤a)中获得的宿主细胞,并且任选地c)从细胞培养物中回收步骤b)中产生的蛋白质。 本发明进一步涉及通过根据本发明的方法获得的蛋白质及其用于制造动物饲料添加剂的用途。