Comparative sensitivity of the luminescent Photobacterium phosphoreum, Escherichia coli, and Bacillus subtilis strains to toxic effects of carbon-based nanomaterials and metal nanoparticles

被引：0

作者：

Deryabin, D. G. ^{[1
]}

Efremova, L. V. ^{[2
]}

Karimov, I. F. ^{[2
]}

Manukhov, I. V. ^{[3
,4
]}

Gnuchikh, E. Yu. ^{[3
]}

Miroshnikov, S. A. ^{[5
]}

机构：

[1] State Res Ctr Dermatovenerol & Cosmetol, Moscow, Russia

[2] Orenburg State Univ, Orenburg, Russia

[3] State Res Inst Genet & Select Ind Microorganisms, Moscow, Russia

[4] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi, Russia

[5] All Russian Res Inst Beef Cattle Breeding, Orenburg, Russia

来源：

MICROBIOLOGY | 2016年 / 85卷 / 02期

基金：

俄罗斯基础研究基金会; 俄罗斯科学基金会;

关键词：

bacterial biosensors; lux genes; bioluminescence; toxicity; carbon-based nanomaterials; metal nanoparticles; VIBRIO-FISCHERI; BACTERIA; INHIBITION; WATER; TIO2; CUO; ZNO;

D O I：

10.1134/S0026261716020053

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

A comparative analysis of the four commercially available and laboratory luminescent sensor strains to the toxic effect of 10 carbon-based nanomaterials (CBNs) and 10 metal nanoparticles (MNPs) was carried out in this study. The bioluminescence inhibition assays with marine Photobacterium phosphoreum and recombinant Escherichia coli strains were varied in minimal toxic concentrations and EC50 values but led to well-correlated biotoxicity evaluation for the most active compounds, which were ranked as Cu > (MgO, CuO) > (fullerenol, graphene oxide). The novel sensor strain Bacillus subtilis EG168-1 exhibited the highest sensitivity to CBNs and MNPs, which increased significantly the number of toxic compounds causing the bacterial bioluminescence inhibition effect.

引用

页码：198 / 206

页数：9

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