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首页> 外文期刊>Journal of bacteriology >Sensory adaptation and deadaptation by Bacillus subtilis.
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Sensory adaptation and deadaptation by Bacillus subtilis.

机译:枯草芽孢杆菌的感官适应和适应。

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Cells of Bacillus subtilis, when tethered by using antiflagellar antibody, rotate briefly counterclockwise (swimming behavior) or clockwise (tumbling behavior) when amino acids are added or removed, respectively. "Dissociation constants" for attractant-binding site interactions, calculated from duration of the rotational response to addition of amino acids, agreed with those calculated for their removal and with previous values calculated from sensitivity capillary assays. The ratio of adaptation times for addition versus removal of attractant averaged 1.7, which differs greatly from the value of 50 for Escherichia coli.
机译:当使用抗鞭毛抗体将枯草芽孢杆菌的细胞束缚在一起时,分别添加或去除氨基酸时,它们会逆时针短暂地旋转(游泳行为)或顺时针旋转(翻转行为)。从旋转响应的持续时间到添加氨基酸,计算出的引诱剂-结合位点相互作用的“解离常数”,与去除它们的计算值和从灵敏度毛细管试验计算出的先前值一致。添加与去除引诱剂的适应时间之比平均为1.7,与大肠杆菌的50值有很大差异。

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