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    • 2. 发明授权
    • Gene participating in acetic acid tolerance, acetic acid bacteria bred using the gene, and process for producing vinegar with the use of the acetic acid bacteria
    • 基因参与乙酸耐量,使用该基因繁殖的乙酸菌,以及使用乙酸菌生产醋的方法
    • US07446192B2
    • 2008-11-04
    • US10507446
    • 2003-03-12
    • Hidetsugu GotoShigeru Nakano
    • Hidetsugu GotoShigeru Nakano
    • C07H21/04
    • C12J1/04C07K14/195C12N1/20
    • The present invention is intended to provide novel genes participating in acetic acid tolerance of acetic acid bacteria, and a method of improving acetic acid tolerance of microorganisms, particularly that of acetic acid bacteria by using the genes, further a method of efficiently producing vinegar with acetic acid at higher concentration by using acetic acid bacteria whose acetic acid tolerance is improved. In the present invention, novel genes having a function for improving acetic acid tolerance on practical level were cloned from practical acetic acid bacteria belonging to the genus Gluconacetobacter by a method of obtaining genes from chromosomal DNA library that enable to grow on the medium at a high concentration of acetic acid. Further, in transformants in which the genes were introduced into acetic acid bacteria, acetic acid tolerance was remarkably increased, and when the transformants are subjected to aeration culture in the presence of ethanol, the growth lag-time can be shortened, and the growth rate can also be improved, moreover the final acetic acid concentration can be remarkably improved.
    • 本发明旨在提供参与乙酸菌的乙酸耐受性的新基因,以及通过使用该基因来提高微生物,特别是乙酸菌的乙酸耐受性的方法,还提出了一种有效生产乙酸醋的方法 通过使用醋酸耐受性提高的乙酸菌,浓度较高的酸。 在本发明中,通过从染色体DNA文库获得能够在培养基上高生长的基因的方法,从属于葡糖型醋杆菌属的实用乙酸菌克隆了具有实用水平提高乙酸耐受性的新型基因 乙酸浓度。 此外,在将基因导入乙酸菌的转化体中,乙酸耐受性显着增加,当转化体在乙醇存在下进行通气培养时,可以缩短生长滞后时间,生长速度 也可以改善,而且可以显着提高最终的乙酸浓度。
    • 5. 发明申请
    • Gene participating in acetic acid tolerance, acetic acid bacteria bred using the gene, and process for producing vinegar with the use of the acetic acid bacterium
    • 基因参与乙酸耐量,使用该基因繁殖的乙酸菌,以及使用乙酸菌生产醋的方法
    • US20060154351A1
    • 2006-07-13
    • US10507446
    • 2003-03-12
    • Hidetsugu GotoShigeru Nakano
    • Hidetsugu GotoShigeru Nakano
    • C12P7/54C12N9/02C12N15/74C12N1/21
    • C12J1/04C07K14/195C12N1/20
    • The present invention is intended to provide novel genes participating in acetic acid tolerance of acetic acid bacteria, and a method of improving acetic acid tolerance of microorganisms, particularly that of acetic acid bacteria by using the genes, further a method of efficiently producing vinegar with acetic acid at higher concentration by using acetic acid bacteria whose acetic acid tolerance is improved. In the present invention, novel genes having a function for improving acetic acid tolerance on practical level were cloned from practical acetic acid bacteria belonging to the genus Gluconacetobacter by a method of obtaining genes from chromosomal DNA library that enable to grow on the medium at a high concentration of acetic acid. Further, in transformants in which the genes were introduced into acetic acid bacteria, acetic acid tolerance was remarkably increased, and when the transformants are subjected to aeration culture in the presence of ethanol, the growth lag-time can be shortened, and the growth rate can also be improved, moreover the final acetic acid concentration can be remarkably improved.
    • 本发明旨在提供参与乙酸菌的乙酸耐受性的新基因,以及通过使用该基因来提高微生物,特别是乙酸菌的乙酸耐受性的方法,还提出了一种有效生产乙酸醋的方法 通过使用醋酸耐受性提高的乙酸菌,浓度较高的酸。 在本发明中,通过从染色体DNA文库获得能够在培养基上高生长的基因的方法,从属于葡糖型醋杆菌属的实用乙酸菌克隆了具有实用水平提高乙酸耐受性的新型基因 乙酸浓度。 此外,在将基因导入乙酸菌的转化体中,乙酸耐受性显着增加,当转化体在乙醇存在下进行通气培养时,可以缩短生长滞后时间,生长速度 也可以改善,而且可以显着提高最终的乙酸浓度。