Inhibition of Staphylococcus aureus biofilm-forming functional amyloid by molecular tweezers.
Inhibition of Staphylococcus aureus biofilm-forming functional amyloid by molecular tweezers.
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通过分子镊子抑制金黄色葡萄球菌生物膜形成淀粉样蛋白。
DOI:
10.1016/j.chembiol.2021.03.013
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发表时间:
2021-09-16
影响因子:
8.6
通讯作者:
Jelinek, Raz
中科院分区:
文献类型:
--
作者:
Malishev, Ravit;Salinas, Nir;Gibson, James;Eden, Angela Bailey;Mieres-Perez, Joel;Ruiz-Blanco, Yasser B.;Malka, Orit;Kolusheva, Sofiya;Klaemer, Frank-Gerrit;Schrader, Thomas;Sanchez-Garcia, Elsa;Wang, Chunyu;Landau, Meytal;Bitan, Gal;Jelinek, Raz
Biofilms are rigid and largely impenetrable three-dimensional matrices constituting virulence determinants of various pathogenic bacteria. Here, we demonstrate that molecular tweezers, unique supramolecular artificial receptors, modulate biofilm formation of Staphylococcus aureus. In particular, the tweezers affect the structural and assembly properties of phenol-soluble modulin α1 (PSMα1), a biofilm-scaffolding functional amyloid peptide secreted by S. aureus. The data reveal that CLR01, a diphosphate tweezer, exhibits significant S. aureus biofilm inhibition and disrupts PSMα1 self-assembly and fibrillation, likely through inclusion of lysine side chains of the peptide. In comparison, different peptide binding occurs in the case of CLR05, a tweezer containing methylenecarboxylate units, which exhibits lower affinity for the lysine residues yet disrupts S. aureus biofilm more strongly than CLR01. Our study points to a possible role for molecular tweezers as potent biofilm inhibitors and antibacterial agents, particularly against untreatable biofilm-forming and PSM-producing bacteria, such as methicillin-resistant S. aureus. Malishev et al. present innovative “molecular tweezers” capable of inhibiting biofilm formation of S. aureus. Comprehensive structural, biophysical, and theoretical analyses reveal distinct effects of the tweezers upon assembly of the PSMαl functional amyloid, which is the main scaffolding peptide of the bacterial biofilm.
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影响因子:
3.3
作者:
Klauda, Jeffery B.;Venable, Richard M.;Freites, J. Alfredo;O'Connor, Joseph W.;Tobias, Douglas J.;Mondragon-Ramirez, Carlos;Vorobyov, Igor;MacKerell, Alexander D., Jr.;Pastor, Richard W.
通讯作者:
Pastor, Richard W.
DOI:
10.1007/978-1-4939-7811-3_24
发表时间:
2018
期刊:
Methods in molecular biology (Clifton, N.J.)
影响因子:
--
作者:
Malik R;Di J;Nair G;Attar A;Taylor K;Teng E;Klärner FG;Schrader T;Bitan G
通讯作者:
Bitan G
影响因子:
4.2
作者:
Cusumano JA;Dupper AC;Malik Y;Gavioli EM;Banga J;Berbel Caban A;Nadkarni D;Obla A;Vasa CV;Mazo D;Altman DR
通讯作者:
Altman DR
影响因子:
15
作者:
Fokkens, M;Schrader, T;Klärner, FG
通讯作者:
Klärner, FG
影响因子:
2.9
作者:
Malishev, Ravit;Abbasi, Razan;Chai, Liraz
通讯作者:
Chai, Liraz