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Inhibitory Effects of Secondary Metabolites from the Red Alga Delisea pulchra on Swarming Motility of Proteus mirabilis

机译:红藻Delsea pulchra的次生代谢产物对变形菌变形菌动力的抑制作用

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摘要

Abnormal, uncoordinated swarming motility of the opportunistic human pathogen Proteus mirabilis was seen when a crude extract of the Australian red alga Delisea pulchra was added to the medium. This occurred at concentrations at which growth rate, swimming motility, cell elongation, polynucleation, and hyperflagellation were not affected. One halogenated furanone from D. pulchra inhibited swarming motility at concentrations that did not affect growth rate and swimming motility. Other structurally similar D. pulchra furanones had no effect on swarming, suggesting considerable specificity in the effects of furanones on swarming motility by P. mirabilis.
机译:当将澳大利亚红藻Delisea pulchra的粗提取物添加到培养基中时,就可以观察到机会性人类病原体Proteus mirabilis的异常,不协调的群体运动。这发生在浓度不影响生长速度,游泳运动,细胞伸长,多核化和超鞭毛形成的浓度下。一种来自D. pulchra的卤代呋喃酮以不影响生长速度和游泳运动的浓度抑制了群运动。其他结构相似的D. pulchra呋喃酮对蜂群没有影响,表明呋喃酮对奇异假单胞菌的蜂群运动的影响具有相当大的特异性。

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