Antibacterial Activity of Co(III) Complexes with Diamine Chelate Ligands against a Broad Spectrum of Bacteria with a DNA Interaction Mechanism
作者:Katarzyna Turecka、Agnieszka Chylewska、Michał Rychłowski、Joanna Zakrzewska、Krzysztof Waleron
DOI:10.3390/pharmaceutics13070946
日期:——
Cobalt coordination complexes are very attractive compounds for their therapeutic uses as antiviral, antibacterial, antifungal, antiparasitic, or antitumor agents. Two Co(III) complexes with diamine chelate ligands ([CoCl2(dap)2]Cl (1) and [CoCl2(en)2]Cl (2)) (where dap = 1,3-diaminopropane, en = ethylenediamine) were synthesized and characterized by elemental analysis, an ATR technique, and a scan
钴配位络合物作为抗病毒、抗菌、抗真菌、抗寄生虫或抗肿瘤剂的治疗用途是非常有吸引力的化合物。两个 Co(III) 与二胺螯合配体的配合物([CoCl 2 (dap) 2 ]Cl ( 1 ) 和 [CoCl 2 (en) 2 ]Cl ( 2 )))(其中 dap = 1,3-二氨基丙烷,en = 乙二胺)通过元素分析、ATR 技术和扫描方法进行合成和表征,并依次针对革兰氏阳性菌和革兰氏阴性菌进行测试。最低抑菌浓度结果显示,厌氧菌和微需氧菌最为敏感;连续传代试验表明,在 20 次传代后,细菌对这两种化合物的耐药性没有显着增加。当与化合物( 1 )或( 2 )组合时,协同试验显示萘啶酸的MIC值显着降低。)。使用扫描电子显微镜、透射电子显微镜和共聚焦显微镜对复合物造成的细胞损伤进行评估,这表明细胞膜通透性、变形和改变的细胞形态。使用分光光度法滴定法对 Co(III) 复合物与质粒 pBR322 的