{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Testolin G"],"funding":["Bundesministerium für Bildung und Forschung","Deutsches Zentrum für Infektionsforschung"],"pagination":["1316-1334"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8148378"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["11(5)"],"pubmed_abstract":["There is an alarming scarcity of novel chemical matter with bioactivity against multidrug-resistant Gram-negative bacterial pathogens. Cystobactamids, recently discovered natural products from myxobacteria, are an exception to this trend. Their unusual chemical structure, composed of oligomeric <i>para</i>-aminobenzoic acid moieties, is associated with a high antibiotic activity through the inhibition of gyrase. In this study, structural determinants of cystobactamid's antibacterial potency were defined at five positions, which were varied using three different synthetic routes to the cystobactamid scaffold. The potency against <i>Acinetobacter baumannii</i> could be increased ten-fold to an MIC (minimum inhibitory concentration) of 0.06 μg mL<sup>-1</sup>, and the previously identified sp"],"journal":["Chemical science"],"pubmed_title":["Synthetic studies of cystobactamids as antibiotics and bacterial imaging carriers lead to compounds with high <i>in vivo</i> efficacy."],"pmcid":["PMC8148378"],"funding_grant_id":["GGNATM27","TTU09.710"],"pubmed_authors":["Fetz V","Hamed MM","Hartmann RW","Sordello S","Elgaher WAM","Herrmann J","Krull J","Muller R","Mollner T","Vassort A","Rox K","Grandclaudon C","Ritter A","van den Heuvel J","Bronstrup M","Baiyoumy A","Testolin G","Cirnski K","Prochnow H","Leitner C"],"additional_accession":[]},"is_claimable":false,"name":"Synthetic studies of cystobactamids as antibiotics and bacterial imaging carriers lead to compounds with high <i>in vivo</i> efficacy.","description":"There is an alarming scarcity of novel chemical matter with bioactivity against multidrug-resistant Gram-negative bacterial pathogens. Cystobactamids, recently discovered natural products from myxobacteria, are an exception to this trend. Their unusual chemical structure, composed of oligomeric <i>para</i>-aminobenzoic acid moieties, is associated with a high antibiotic activity through the inhibition of gyrase. In this study, structural determinants of cystobactamid's antibacterial potency were defined at five positions, which were varied using three different synthetic routes to the cystobactamid scaffold. The potency against <i>Acinetobacter baumannii</i> could be increased ten-fold to an MIC (minimum inhibitory concentration) of 0.06 μg mL<sup>-1</sup>, and the previously identified sp","dates":{"release":"2019-01-01T00:00:00Z","publication":"2019 Dec","modification":"2026-05-09T06:37:27.994Z","creation":"2022-02-10T14:38:14.814Z"},"accession":"S-EPMC8148378","cross_references":{"pubmed":["34123255"],"doi":["10.1039/c9sc04769g"]}}