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    • 1. 发明申请
    • ATTENUATED MYCOPLASMA GALLISEPTICUM STRAINS
    • 衰老的MYCOPLASMA GALLISEPTICUM菌株
    • WO2009035644A1
    • 2009-03-19
    • PCT/US2008/010630
    • 2008-09-10
    • WYETHKUMAR, MaheshKHAN, Muhammad, Ayub
    • KUMAR, MaheshKHAN, Muhammad, Ayub
    • A61K39/02C12N1/36C12R1/35
    • C12N1/36A61K39/0241A61K2039/522A61K2039/552C12N1/20C12R1/35
    • The present invention provides live, attenuated Mycoplasma gallisepticum bacteria that exhibit reduced expression of a protein identified as MGA_0621. In certain embodiments, the attenuated bacteria may additionally exhibit reduced expression of one or more proteins selected from the group consisting of pyruvate dehydrogenase, phosphopyruvate hydratase, 2-deoxyribose-5-phosphate aldolase, and ribosomal protein L35, relative to a wild-type M. gallisepticum bacterium. Also provided are vaccines and vaccination methods involving the use of the live, attenuated M. gallisepticum bacteria, and methods for making live attenuated M. gallisepticum bacteria. An exemplary live, attenuated strain of M. gallisepticum is provided, designated MGx+47, which was shown by proteomics analysis to exhibit significantly reduced expression of MGA_0621, and was shown to be safe and effective when administered as a vaccine against M. gallisepticum infection in chickens.
    • 本发明提供活的,减毒的鸡毒支原体细菌,其表现出被鉴定为MGA_0621的蛋白质的表达降低。 在某些实施方案中,相对于野生型M,减毒细菌可另外显示出一种或多种选自丙酮酸脱氢酶,磷酸丙酮酸水合酶,2-脱氧核糖-5-磷酸醛缩酶和核糖体蛋白L35的蛋白质​​的表达降低 胆汁败霉菌 还提供了涉及使用活的,减毒的金黄色葡萄球菌细菌的疫苗和疫苗接种方法,以及用于制造活的减毒的金黄色葡萄球菌细菌的方法。 提供了一种示例性的活的减毒毒株的菌株,命名为MGx + 47,通过蛋白质组学分析显示出显着降低的MGA_0621的表达,并且当作为针对鸡链球菌毒素感染的疫苗施用时被证明是安全和有效的 在鸡中