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    • 1. 发明申请
    • Heat stable mutants of starch biosynthesis enzymes
    • 淀粉生物合成酶的热稳定突变体
    • US20020194642A1
    • 2002-12-19
    • US10079478
    • 2002-02-19
    • L. Curtis HannahThomas W. Greene
    • A01H005/00C07H021/04C12N009/44C12P021/02C12N005/04
    • C12N9/1241C12N9/1051C12N15/8245C12N15/8271C12Y204/01021C12Y207/07027
    • The subject invention pertains to novel mutant polynucleotide molecules that encode enzymes that have increased heat stability. These polynucleotides, when expressed in plants, result in increased yield in plants grown under conditions of heat stress. The polynucleotide molecules of the subject invention encode maize endosperm ADP glucose pyrophosphorylase (AGP) and soluble starch synthase (SSS) enzyme activities. Plants and plant tissue bred to contain, or transformed with, the mutant polynucleotides, and expressing the polypeptides encoded by the polynucleotides, are also contemplated by the present invention. The subject invention also concerns methods for isolating polynucleotides and polypeptides contemplated within the scope of the invention. Methods for increasing yield in plants grown under conditions of heat stress are also provided.
    • 本发明涉及编码具有增加的热稳定性的酶的新型突变体多核苷酸分子。 当在植物中表达时,这些多核苷酸导致在热胁迫条件下生长的植物中的产量增加。 本发明的多核苷酸分子编码玉米胚乳ADP葡萄糖焦磷酸化酶(AGP)和可溶性淀粉合成酶(SSS)酶活性。 繁殖含有突变体多核苷酸或转化了突变多核苷酸并表达多核苷酸编码的多肽的植物和植物组织也被本发明考虑。 本发明还涉及分离本发明范围内考虑的多核苷酸和多肽的方法。 还提供了在热胁迫条件下生长的植物中提高产量的方法。
    • 7. 发明申请
    • Endoglucanases
    • 内切葡聚糖酶
    • US20030054539A1
    • 2003-03-20
    • US10007521
    • 2001-12-10
    • Novozymes A/S
    • Martin SchuleinHanne DelaLene Nonboe AndersenSoren Flensted LassenMarkus Sakari KauppinenLene LangeRuby Ilum NielsenShinobu TakagiMichiko Ihara
    • C12N009/44D06M016/00
    • C12N9/2437A61K38/00C05F11/08C05F17/0036C07K2319/00C11D3/386C12P19/14C12Y302/01004D06M16/003D06P5/02D06P5/158D21C5/005D21H17/005D21H21/10Y02P20/145Y02W30/43
    • The present invention relates to enzyme preparations consisting essentially of an enzyme which has cellulytic activity and comprises a first amino acid sequence having the following sequence 1 (SEQ ID NO:79) Thr Arg Xaa Xaa Asp Cys Cys Xaa Xaa 1nullnullnull2nullnullnull3nullnullnull4nullnullnull5nullnullnull6nullnullnull7nullnullnull8nullnullnull9 Xaa Cys Xaa Trp Xaa 10nullnull11nullnull12nullnull13nullnull14 and a second amino acid sequence having the following sequence 2 Trp Cys Cys Xaa Cys (SEQ ID NO:80) 1nullnullnull2nullnullnull3nullnullnull4nullnullnull5 wherein, at position 3 of the first sequence, the amino acid is Trp, Tyr or Phe; at position 4 of the first sequence, the amino acid is Trp, Tyr or Phe; at position 8 of the first sequence, the amino acid is Arg, Lys or His; at positions 9, 10, 12 and 14, respectively, of the first sequence, and at position 4 of the second sequence, the amino acid is any of the 20 naturally occurring amino acid residues with the provisos that, in the first amino acid sequence, (i) when the amino residue at position 12 is Ser, then the amino acid residue at position 14 is not Ser, and (ii) when the amino residue at position 12 is Gly, then the amino acid residue at position 14 is not Ala, performs very good in industrial applications such as laundry compositions, for biopolishing of newly manufactured textiles, for providing an abraded look of cellulosic fabric or garment, and for treatment of paper pulp. Further, the invention relates to DNA constructs encoding such enzymes, a method for providing a gene encoding for such enzymes, a method of producing the enzymes, enzyme preparations containing such enzymes, and the use of these enzymes for a number of industrial applications.
    • 本发明涉及酶制剂,其基本上由具有纤维素分解活性的酶组成,并且包含具有以下序列的第一氨基酸序列和具有以下序列的第二个氨基酸序列,其中在第一序列的3位是氨基酸 是Trp,Tyr或Phe; 在第一序列的位置4处,氨基酸是Trp,Tyr或Phe; 在第一序列的位置8,氨基酸是Arg,Lys或His; 在第一序列的第9,10,12和14位,第2个序列的第4位,氨基酸是20个天然存在的氨基酸残基中的任一个,条件是在第一个氨基酸序列 ,(i)当第12位的氨基残基为Ser时,第14位的氨基酸残基不为Ser,(ii)当第12位的氨基残基为Gly时,第14位的氨基酸残基为 Ala在工业应用中表现非常好,例如洗衣组合物,用于生物抛光新制造的纺织品,用于提供纤维素织物或服装的磨损外观以及纸浆处理。 此外,本发明涉及编码这些酶的DNA构建体,提供编码这种酶的基因的方法,生产酶的方法,含有这些酶的酶制剂,以及这些酶用于许多工业应用的用途。