Anidulafungin belongs to a class of antifungal drugs called echinocandins. Anidulafungin works by inhibiting the synthesis of β-(1,3)-D-glucan, an essential component of the fungal cell wall. This disruption weakens the cell wall, leading to cell death and ultimately eliminating the fungal infection.
CAT No: R2244
CAS No:166663-25-8
Chemical Name:N-[(3S,6S,9S,11R,15S,18S,20R,21R,24S,25S,26S)-6-[(1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl]-11,20,21,25-tetrahydroxy-3,15-bis[(1R)-1-hydroxyethyl]-26-methyl-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexazatricyclo[22.3.0.09,13]heptacosan-18-yl]-4-[4-(4-pentoxyphenyl)phenyl]benzamide
Anidulafungin is a semisynthetic echinocandin compound that functions as a potent inhibitor of fungal cell wall biosynthesis. As a member of the echinocandin class, it is structurally characterized by a cyclic hexapeptide core with a lipophilic side chain, conferring high specificity for the β-(1,3)-D-glucan synthase enzyme complex. This mechanism underlies its significance in antifungal research, where it serves as a model compound for studying cell wall integrity and fungal resistance mechanisms. Its unique mode of action and well-defined biochemical profile make it a valuable tool for laboratories investigating the molecular biology of pathogenic fungi and the development of new antifungal strategies.
Antifungal mechanism studies: Anidulafungin is widely employed in research focused on elucidating the molecular mechanisms of echinocandin action against fungi. By selectively inhibiting β-(1,3)-D-glucan synthase, it disrupts the synthesis of an essential polysaccharide component of the fungal cell wall. Researchers utilize this compound to probe the structure and function of glucan synthase, dissect the downstream effects on fungal cell morphology, and analyze the cellular stress responses triggered by cell wall perturbation. Such studies are critical for understanding the fundamental biology of pathogenic fungi and for identifying potential molecular targets for next-generation antifungal agents.
Resistance mechanism analysis: The compound is instrumental in investigating the genetic and biochemical bases of echinocandin resistance in clinically relevant fungal species. By exposing fungal cultures to anidulafungin and monitoring for adaptive changes, scientists can identify mutations in genes encoding glucan synthase subunits or associated regulatory pathways. These studies provide insights into the evolutionary dynamics of resistance, help characterize cross-resistance profiles among different echinocandins, and inform the design of molecular diagnostics for resistant fungal strains in research settings.
Cell wall biosynthesis assays: In biochemical and cell-based assays, anidulafungin serves as a reference inhibitor for evaluating β-(1,3)-D-glucan synthesis. Its use enables precise quantification of enzyme activity, assessment of cell wall composition, and validation of new assay methodologies. Researchers leverage its specificity to benchmark the efficacy of novel small-molecule inhibitors and to dissect the contributions of glucan synthesis to overall cell wall architecture. Such applications are essential for advancing knowledge of fungal physiology and for supporting antifungal drug discovery platforms.
Antifungal combination studies: The compound is frequently utilized in in vitro synergy and antagonism assays to evaluate the effects of combining echinocandins with other antifungal agents. By systematically varying concentrations and treatment regimens, researchers can map interaction profiles, identify synergistic or antagonistic combinations, and explore the mechanistic basis for observed effects. These combination studies are vital for optimizing antifungal strategies and for understanding the potential for overcoming resistance through multi-targeted approaches.
Fungal pathogenesis research: Anidulafungin is applied in experimental models to investigate the role of cell wall integrity in fungal virulence and host-pathogen interactions. By selectively compromising glucan synthesis, it allows researchers to dissect the contribution of the cell wall to fungal survival, immune evasion, and adaptation within diverse environments. These studies yield valuable insights into the molecular determinants of pathogenicity and support the development of targeted interventions for controlling fungal infections in laboratory research contexts.
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