Imide-based enones: A new scaffold that inhibits biofilm formation in Gram-negative pathogens

IF 2.5 4区 医学 Q3 CHEMISTRY, MEDICINAL
J. Israel Barrera-Hernández , Jesús R. Pérez-Velázquez , Ángel Ramírez-Trinidad , Jesús Oria-Hernández , Eduardo Hernández-Vázquez
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引用次数: 0

Abstract

We prepared a series of enones containing different substituents as potential antibiofilm molecules. The design considered the structural features previously found in N-acylhomoserine lactones, but it replaced the labile furanone with different imides portions. After evaluation, some of the analogs inhibited 50 % or more the formation of the biofilm from P. aeruginosa or A. baumannii; moreover, substituents attached at the phenyl ring, the size of the enone as well as the type of imide seemed relevant for the selectivity against the tested pathogens. In the end, we performed a molecular docking study using the crystallized LasR to describe the main interactions of the ligand-receptor complex and propose a plausible mechanism of action.

Abstract Image

亚胺基烯酮:一种抑制革兰氏阴性病原体生物膜形成的新支架
我们制备了一系列含有不同取代基的烯酮作为潜在的抗生物膜分子。该设计考虑了以前在n -酰基高丝氨酸内酯中发现的结构特征,但它用不同的亚胺部分取代了不稳定的呋喃酮。经评估,部分类似物抑制铜绿假单胞菌或鲍曼假单胞菌生物膜的形成50%或更多;此外,附着在苯基环上的取代基、烯酮的大小以及亚胺的类型似乎与对所测试病原体的选择性有关。最后,我们利用晶体激光共振进行了分子对接研究,描述了配体-受体复合物的主要相互作用,并提出了一种合理的作用机制。
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来源期刊
CiteScore
5.70
自引率
3.70%
发文量
463
审稿时长
27 days
期刊介绍: Bioorganic & Medicinal Chemistry Letters presents preliminary experimental or theoretical research results of outstanding significance and timeliness on all aspects of science at the interface of chemistry and biology and on major advances in drug design and development. The journal publishes articles in the form of communications reporting experimental or theoretical results of special interest, and strives to provide maximum dissemination to a large, international audience.
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