枯草芽孢杆菌连续培养中的能力：精氨酸的抑制作用以及 Mn2+ 对该抑制作用的逆转。
Competence in continuous cultures of Bacillus subtilis: inhibition by arginine and reversal of the inhibition by Mn2+.
作者信息
Espinosa M, López R, Pérez-Ureña M T, García E, Portolés A
出版信息
J Gen Microbiol. 1976 Dec;97(2):297-301. doi: 10.1099/00221287-97-2-297.
PMID:827601
Abstract
Arginine inhibited the competence of Bacillus subtilis growing in a chemostat at a dilution rate of 0-277 h-1. The biosynthesis of competence-stimulating activity was only partially repressed. The inhibitory effect may be due to an alteration in the cell's capacity for being stimulated to competence and/or in its ability to take up DNA irreversibly. MnSO4 at 10(-6) M restored competence immediately.
摘要
精氨酸抑制了在恒化器中以0 - 277 h⁻¹的稀释率生长的枯草芽孢杆菌的感受态。感受态刺激活性的生物合成仅被部分抑制。这种抑制作用可能是由于细胞被刺激形成感受态的能力和/或其不可逆摄取DNA的能力发生了改变。10⁻⁶ M的硫酸锰立即恢复了感受态。
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Competence in continuous cultures of Bacillus subtilis: inhibition by arginine and reversal of the inhibition by Mn2+.枯草芽孢杆菌连续培养中的能力：精氨酸的抑制作用以及 Mn2+ 对该抑制作用的逆转。
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