Li, Fangfang; Lu, Shengsheng; Xie, Xi; Fan, Sheng; Chen, Daiwei; Wu, Shaohua; He, Jian published the artcile< Antiviral properties of extracts of Streptomyces sp. SMU 03 isolated from the feces of Elephas maximus>, Reference of 2873-36-1, the main research area is Elephas Streptomyces antiviral dichloromethane extract; Anti-influenza A virus activity; Dichloromethane extracts (DCME); Elephas maximus; Membrane fusion inhibitor; Streptomyces sp. SMU03.
Actinobacteria are historically and continued to be an important source for drug discovery. The annual epidemics and periodic pandemics of humans induced by influenza A virus (IAV) prompted us to develop new effective antiviral drugs with different modes of action. An actinobacterium of Streptomyces sp. SMU 03 was identified from the feces of Elephas maximus in Yunnan Province, China. By employing an H5N1 pseudo-typed virus drug screening system, the anti-IAV effect of the dichloromethane extracts (DCME) of this bacterium was investigated. DCME showed broad and potent activities against several influenza viruses, including the H1N1 and H3N2 subtypes and influenza B virus, with IC50 values ranging from 0.37 ± 0.22 to 14.44 ± 0.79 μg/mL. Furthermore, the in vivo anti-IAV activity test of DCME showed that compared with the no-drug treated group, the survival rates, appearances, weights, lung indexes and histopathol. changes were all significantly alleviated. Based on these results, the chem. constituent study of DCME was then investigated, from which a number of antiviral compounds with various structural skeletons have been isolated and identified. Overall, these data indicated that the DCME from Streptomyces sp. SMU 03 might represent a good source for antiviral compounds that can be developed as potential antivirus remedies.
Fitoterapia published new progress about Antiviral agents. 2873-36-1 belongs to class pyrazines, and the molecular formula is C11H18N2O2, Reference of 2873-36-1.