Quantifying the effects of antibiotic treatment on the extracellular polymer network of antimicrobial resistant and sensitive biofilms using multiple particle tracking.
Quantifying the effects of antibiotic treatment on the extracellular polymer network of antimicrobial resistant and sensitive biofilms using multiple particle tracking.
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使用多粒子追踪来量化抗生素处理对抗微生物剂抗性和敏感生物膜的细胞外聚合物网络的影响。
DOI:
10.1038/s41522-020-00172-6
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发表时间:
2021-02-05
影响因子:
9.2
通讯作者:
Thomas DW
中科院分区:
文献类型:
--
作者:
Powell LC;Abdulkarim M;Stokniene J;Yang QE;Walsh TR;Hill KE;Gumbleton M;Thomas DW
Novel therapeutics designed to target the polymeric matrix of biofilms requires innovative techniques to accurately assess their efficacy. Here, multiple particle tracking (MPT) was developed to characterize the physical and mechanical properties of antimicrobial resistant (AMR) bacterial biofilms and to quantify the effects of antibiotic treatment. Studies employed nanoparticles (NPs) of varying charge and size (40–500 nm) in Pseudomonas aeruginosa PAO1 and methicillin-resistant Staphylococcus aureus (MRSA) biofilms and also in polymyxin B (PMB) treated Escherichia coli biofilms of PMB-sensitive (PMBSens) IR57 and PMB-resistant (PMBR) PN47 strains. NP size-dependent and strain-related differences in the diffusion coefficient values of biofilms were evident between PAO1 and MRSA. Dose-dependent treatment effects induced by PMB in PMBSens E. coli biofilms included increases in diffusion and creep compliance (P < 0.05), not evident in PMB treatment of PMBR E. coli biofilms. Our results highlight the ability of MPT to quantify the diffusion and mechanical effects of antibiotic therapies within the AMR biofilm matrix, offering a valuable tool for the pre-clinical screening of anti-biofilm therapies.
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影响因子:
3.9
作者:
Connaughton A;Childs A;Dylewski S;Sabesan VJ
通讯作者:
Sabesan VJ
影响因子:
9.4
作者:
Ceri, H;Olson, ME;Buret, A
通讯作者:
Buret, A
DOI:
10.1016/j.ijbiomac.2017.09.109
发表时间:
2018-04-01
影响因子:
8.2
作者:
Brotons-Canto, Ana;Gamazo, Carlos;Irache, Juan M.
通讯作者:
Irache, Juan M.
影响因子:
16.1
作者:
Bayramov DF;Neff JA
通讯作者:
Neff JA
影响因子:
6.4
作者:
Bulman ZP;Chen L;Walsh TJ;Satlin MJ;Qian Y;Bulitta JB;Peloquin CA;Holden PN;Nation RL;Li J;Kreiswirth BN;Tsuji BT
通讯作者:
Tsuji BT