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    • 4. 发明授权
    • Tolerance of trichothecene mycotoxins in plants and animals through the
modification of the peptidyl transferase gene
    • 通过修饰肽基转移酶基因,在植物和动物中耐受单端孢霉真菌毒素
    • US6060646A
    • 2000-05-09
    • US909828
    • 1997-08-12
    • Linda HarrisSteve Gleddie
    • Linda HarrisSteve Gleddie
    • C07K14/415C12N15/29C12N15/65C12N15/82A01H1/00A01H5/00C07H21/04C12N15/00
    • C12N15/8209C07K14/415C12N15/65C12N15/8242C12N15/8274C12N15/8282A01K2217/05
    • Fusarium graminearum is a plant pathogen, attacking a wide range of plant species including corn (ear and stalk rot), barley, and wheat (head blight). Fusarium epidemics result in millions of dollars of loses in crop revenues. Fusarium graminearum infection in the cereals reduces both grain yield and quality. Mycotoxins are produced by many fungal Fusarium species and thus the grain becomes contaminated with these mycotoxins, such as the trichothecenes. The major trichothecene produced by F. graminearum is deoxynivalenol (abbreviated as DON, also known as vomitoxin). Trichothecenes are potent protein synthesis inhibitors and are quite toxic to humans and livestock. A yeast gene has been identified which is resistant to the trichothecene, trichodermin. A corresponding plant gene has been prepared, which has been used to transform plants and would be suitable to transform animals. These transformed plants have an increased resistance to Fusarium infestation. Potentially, transformed animals could have an increased tolerance to the trichothecene mycotoxins.
    • 禾谷镰刀菌是一种植物病原体,攻击种类繁多的植物物种,包括玉米(耳朵和茎腐烂),大麦和小麦(头枯病)。 镰刀菌流行导致作物收入损失数百万美元。 禾谷镰刀菌感染谷物减少谷物产量和质量。 真菌毒素是由许多真菌镰孢属物种产生的,因此谷物被这些霉菌毒素如单链孢霉素污染。 由禾谷镰孢菌产生的主要单端孢霉烯是脱氧雪腐镰刀菌烯醇(简称DON,又称呕吐毒素)。 Trichothecenes是有力的蛋白质合成抑制剂,对人类和家畜有很大的毒性。 已经鉴定出对单端孢霉烯(trichodhecene),trichodermin(耐药性)有抗性的酵母基因。 已经制备了相应的植物基因,其已被用于转化植物并且适于转化动物。 这些转化的植物对镰刀菌侵袭的抗性增加。 潜在地,转化的动物可能具有增加对单端孢霉真菌毒素的耐受性。
    • 10. 发明授权
    • Wheat aleurone regulatory region
    • 小麦糊粉调节区
    • US06326528B1
    • 2001-12-04
    • US09417777
    • 1999-10-14
    • John SimmondsLeslie CassLinda HarrisSharon Allard
    • John SimmondsLeslie CassLinda HarrisSharon Allard
    • A01H100
    • C07K14/415C12N15/8222C12N15/8234
    • This invention is directed to a regulatory region obtained from a wheat aleurone gene LtpW1. This regulatory region, or truncated derivatives of this regulatory region, can be used to express heterologous genes of interest within aleurone cells of a plant. Furthermore, this invention is directed to a truncated LtpW1 regulatory region that exhibits constructive activity within both monocot and dicot plants. This invention is also directed to vectors comprising these regulatory regions operatively linked with a heterologous gene of interest, as well as plant cell cultures and transgenic plants comprising these vectors. A method for the preparation of a plant using the regulatory regions of this invention are also disclosed.
    • 本发明涉及从小麦糊粉基因LtpW1获得的调节区。 该调节区域或该调节区的截短的衍生物可用于在植物的糊粉母细胞内表达感兴趣的异源基因。 此外,本发明涉及在单子叶植物和双子叶植物中表现出建设性活性的截短的LtpW1调节区。 本发明还涉及包含与感兴趣的异源基因可操作地连接的这些调节区的载体,以及包含这些载体的植物细胞培养物和转基因植物。 还公开了使用本发明的调节区制备植物的方法。