Mutant strain of Bradyrhizobium japonicum
    3.
    发明授权
    Mutant strain of Bradyrhizobium japonicum 失效
    突变菌株

    公开(公告)号:US5308616A

    公开(公告)日:1994-05-03

    申请号:US563171

    申请日:1990-08-06

    申请人: Robert J. Maier

    发明人: Robert J. Maier

    摘要: The present invention relates to mutant strains of Bradyrhizobium japonicum that are characterized in an increased nitrogen fixation rate and an altered molybdenum metabolism. The mutant strains require higher levels of molybdate than wild-type Bradyrhizobium japonicum for expression of nitrate reductase activity. In addition, the mutant strains express free-living nitrogenase activity in medium treated to remove molybdate, where the wild-type require molybdate supplementation.

    摘要翻译: 本发明涉及具有增加的固氮率和改变的钼代谢的特征在于日本的Bradyrhizobium japonicum的突变菌株。 突变菌株比野生型Bradyrhizobium japonicum需要更高水平的钼酸盐,用于表达硝酸还原酶活性。 此外,突变菌株在处理的培养基中表达自​​由活性的氮酶活性以除去钼酸盐,其中野生型需要补充钼酸盐。