2-Heptyl-3-hydroxy-4-quinolone (PQS) and its precursor 2-heptyl-4-quinolone (HHQ) are key signalling molecules of the important nosocomial pathogen Pseudomonas aeruginosa. We have recently reported an interkingdom dimension to these molecules, influencing key virulence traits in a broad spectrum of microbial species and in the human pathogenic yeast Candida albicans. For the first time, targeted chemical derivatisation of the C-3 position was undertaken to investigate the structural and molecular properties underpinning the biological activity of these compounds in P. aeruginosa, and using Bacillus subtilis as a suitable model system for investigating modulation of interspecies behaviour.
2-庚基-3-羟基-4-
喹啉(PQS)及其前体2-庚基-4-
喹啉(HHQ)是重要的医院获得性感染病原体
铜绿假单胞菌的关键信号分子。我们最近报道了这些分子在不同领域的影响,能够影响一系列微
生物物种及人类致病酵母白色念珠菌的关键致病特征。这是首次对C-3位点进行针对性的
化学衍生化研究,以探讨这些化合物在
铜绿假单胞菌中
生物活性的结构和分子特性,并且使用
枯草芽孢杆菌作为适合的模型系统以研究物种之间行为的调节。