Oxazaborolidine derivatives inducing autoinducer-2 signal transduction in Vibrio harveyi
作者:R. Aharoni、M. Bronstheyn、A. Jabbour、B. Zaks、M. Srebnik、D. Steinberg
DOI:10.1016/j.bmc.2007.11.032
日期:2008.2.15
2-oxazaborolidine) strongly induced V. harveyi bioluminescence in V. harveyi mutant (BB170) lacking sensor 1. A dose-dependent relationship between those oxazaborolidine derivatives and bioluminescence induction was observed with this V. harveyi strain (BB170). BNO-1 and BNO-5 did not affect V. harveyi BB886 lacking sensor 2. Using a mutant strain which produces neither AI-1 nor AI-2 (V. harveyi MM77) we showed
海洋细菌哈维氏弧菌的生物发光是通过群体感应来控制的。此效应是由物种特异性自诱导物1(AI-1),自诱导物2(AI-2)和霍乱弧菌自诱导物1(CAI-1)的产生,积累和自动检测介导的。哈弗氏弧菌AI-2最近被鉴定为呋喃糖基硼酸酯二酯。我们合成了几种在化学上类似于AI-2的恶唑硼烷衍生物。测试了五种恶唑硼烷衍生物(BNO-1至BNO-5),但是仅BNO-1(3,4-二甲基-2,5-二苯基-1,3,2-恶唑硼烷)和BNO-5(2-丁基-3,4-二甲基-5-苯基-1,3,2-恶唑硼烷)在缺乏传感器1的哈氏弧菌突变体(BB170)中强烈诱导哈氏弧菌生物发光。在该哈维弧菌(BB170)中观察到了这些恶唑硼烷衍生物与生物发光诱导之间的剂量依赖性关系。BNO-1和BNO-5不会影响缺少传感器2的哈氏弧菌BB886。使用既不产生AI-1也不产生AI-2的突变株(哈氏MM77),我们证明了含有AI-2的废培养