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首页> 外文期刊>Journal of bacteriology >Response to a metal ion-citrate complex in bacterial sensing.
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Response to a metal ion-citrate complex in bacterial sensing.

机译:对细菌感测中金属离子柠檬酸盐复合物的反应。

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摘要

Salmonella typhimurium responds chemotactically to gradients of divalent cations in the presence of citrate ions. The actual chemoeffector is the citrate-metal ion complex, which acts as an attractant. Citrate (which is also a chemoeffector for Salmonella) and the citrate-metal ion complex are recognized by different receptors. The response of Salmonells, which can transport citrate through its membrane, is quite different than that of Escherichia coli, which cannot.
机译:在柠檬酸根离子存在下,鼠伤寒沙门氏菌对二价阳离子的梯度有化学反应。实际的化学效应剂是柠檬酸盐-金属离子络合物,它起引诱剂的作用。柠檬酸盐(也是沙门氏菌的化学效应物)和柠檬酸盐-金属离子络合物被不同的受体识别。可以通过其膜转运柠檬酸盐的沙门氏菌的响应与不能传递柠檬酸的大肠杆菌的响应截然不同。

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