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Polyudova T, Lemkina L, Eroshenko D, Esaev A. Suppression of planktonic and biofilm of Escherichia coli by the synergistic lantibiotics-polymyxins combinations. Arch Microbiol 2024; 206:191. [PMID: 38520490 DOI: 10.1007/s00203-024-03922-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/28/2024] [Accepted: 03/02/2024] [Indexed: 03/25/2024]
Abstract
Escherichia coli are generally resistant to the lantibiotic's action (nisin and warnerin), but we have shown increased sensitivity of E. coli to lantibiotics in the presence of subinhibitory concentrations of polymyxins. Synergistic lantibiotic-polymyxin combinations were found for polymyxins B and M. The killing of cells at the planktonic and biofilm levels was observed for two collection and four clinical multidrug-resistant E. coli strains after treatment with lantibiotic-polymyxin B combinations. Thus, 24-h treatment of E. coli mature biofilms with warnerin-polymyxin B or nisin-polymyxin B leads to five to tenfold decrease in the number of viable cells, depending on the strain. AFM revealed that the warnerin and polymyxin B combination caused the loss of the structural integrity of biofilm and the destruction of cells within the biofilm. It has been shown that pretreatment of cells with polymyxin B leads to an increase of Ca2+ and Mg2+ ions in the culture medium, as detected by atomic absorption spectroscopy. The subsequent exposure to warnerin caused cell death with the loss of K+ ions and cell destruction with DNA and protein release. Thus, polymyxins display synergy with lantibiotics against planktonic and biofilm cells of E. coli, and can be used to overcome the resistance of Gram-negative bacteria to lantibiotics.
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Affiliation(s)
- Tatyana Polyudova
- Institute of Ecology and Genetics of Microorganisms, Perm Federal Scientific Centre, Ural Branch, Russian Academy of Sciences, Perm, Russia.
| | - Larisa Lemkina
- Institute of Ecology and Genetics of Microorganisms, Perm Federal Scientific Centre, Ural Branch, Russian Academy of Sciences, Perm, Russia
| | - Daria Eroshenko
- Institute of Technical Chemistry, Perm Federal Scientific Centre, Ural Branch, Russian Academy of Science, Perm, Russia
| | - Artem Esaev
- Institute of Ecology and Genetics of Microorganisms, Perm Federal Scientific Centre, Ural Branch, Russian Academy of Sciences, Perm, Russia
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Onat-Taşdelen KA, Öztürkel-Kabakaş H, Yüksektepe E, Çatav ŞS, Güzel G, Çöl B, Kim H, Chae YK, Elgin ES. Functional groups matter: metabolomics analysis of Escherichia coli exposed to trans-cinnamic acid and its derivatives unveils common and unique targets. World J Microbiol Biotechnol 2023; 40:47. [PMID: 38114822 DOI: 10.1007/s11274-023-03841-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 11/13/2023] [Indexed: 12/21/2023]
Abstract
Phenolic acids are derivatives of benzoic and cinnamic acids, which possess important biological activities at certain concentrations. Trans-cinnamic acid (t-CA) and its derivatives, such as p-coumaric acid (p-CA) and ferulic acid (FA) have been shown to have antibacterial activity against various Gram-positive and -negative bacteria. However, there is limited information available concerning the antibacterial mode of action of these phenolic acids. In this study, we aimed to ascertain metabolic alterations associated with exposure to t-CA, p-CA, and FA in Escherichia coli BW25113 using a nuclear magnetic resonance (NMR)-based metabolomics approach. The results showed that t-CA, p-CA, and FA treatments led to significant changes (p < 0.05) in the concentration of 42, 55, and 74% of the identified metabolites in E. coli, respectively. Partial least-squares discriminant analysis (PLS-DA) revealed a clear separation between control and phenolic acid groups with regard to metabolic response. Moreover, it was found that FA and p-CA treatment groups were clustered closely together but separated from the t-CA treatment group. Arginine, putrescine, cadaverine, galactose, and sucrose had the greatest impact on group differentiation. Quantitative pathway analysis demonstrated that arginine and proline, pyrimidine, glutathione, and galactose metabolisms, as well as aminoacyl-tRNA and arginine biosyntheses, were markedly affected by all phenolic acids. Finally, the H2O2 content of E. coli cells was significantly increased in response to t-CA and p-CA whereas all phenolic acids caused a dramatic increase in the number of apurinic/apyrimidinic sites. Overall, this study suggests that the metabolic response of E. coli cells to t-CA is relatively different from that to p-CA and FA. However, all phenolic acids had a certain impact on oxidative/antioxidant status, genomic stability, arginine-related pathways, and nucleic acid metabolism.
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Affiliation(s)
| | - Hatice Öztürkel-Kabakaş
- Graduate School of Natural and Applied Sciences, Biology Program, Muğla Sıtkı Koçman University, Muğla, Türkiye
| | - Ecem Yüksektepe
- Vocational School of Health Services, Pathology Laboratory Techniques Program, Fenerbahçe University, İstanbul, Türkiye
| | - Şükrü Serter Çatav
- College of Sciences, Department of Biology, Muğla Sıtkı Koçman University, Muğla, Türkiye
| | - Gülnur Güzel
- Graduate School of Natural and Applied Sciences, Chemistry Program, Muğla Sıtkı Koçman University, Muğla, Türkiye
| | - Bekir Çöl
- College of Sciences, Department of Biology, Muğla Sıtkı Koçman University, Muğla, Türkiye
- Biotechnology Research Center, Muğla Sıtkı Koçman University, Muğla, Türkiye
| | - Hakbeom Kim
- College of Natural Sciences, Department of Chemistry, Sejong University, Seoul, South Korea
| | - Young Kee Chae
- College of Natural Sciences, Department of Chemistry, Sejong University, Seoul, South Korea
| | - Emine Sonay Elgin
- College of Sciences, Department of Chemistry, Muğla Sıtkı Koçman University, Muğla, Türkiye.
- Research Laboratories Center, Metabolism Laboratory, Muğla Sıtkı Koçman University, Muğla, Türkiye.
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Ye J, Qi X. Vaginal microecology and its role in human papillomavirus infection and human papillomavirus associated cervical lesions. APMIS 2023. [PMID: 37941500 DOI: 10.1111/apm.13356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 10/23/2023] [Indexed: 11/10/2023]
Abstract
The vaginal microecology comprises the vaginal microbiome, immune microenvironment, vaginal anatomy, and the cervicovaginal fluid, which is rich in metabolites, enzymes, and cytokines. Investigating its role in the female reproductive system holds paramount significance. The advent of next-generation sequencing enabled a more profound investigation into the structure of the vaginal microbial community in relation to the female reproductive system. Human papillomavirus infection is prevalent among women of reproductive age, and persistent oncogenic HPV infection is widely recognized as a factor associated with cervical cancer. Extensive previous research has demonstrated that dysbiosis of vaginal microbiota characterized by a reduction in Lactobacillus species, heightens susceptivity to HPV infection, consequently contributing to persistent HPV infection and the progression of cervical lesion. Likewise, HPV infection can exacerbate dysbiosis. This review aims to provide a comprehensive summary of current literatures and to elucidate potential mechanisms underlying the interaction between vaginal microecology and HPV infection, with the intention of offering valuable insights for future clinical interventions.
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Affiliation(s)
- Jiatian Ye
- Department of Gynecology and Obstetrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, China
| | - Xiaorong Qi
- Department of Gynecology and Obstetrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, China
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Jansma J, Chatziioannou AC, Castricum K, van Hemert S, El Aidy S. Metabolic network construction reveals probiotic-specific alterations in the metabolic activity of a synthetic small intestinal community. mSystems 2023; 8:e0033223. [PMID: 37668401 PMCID: PMC10654062 DOI: 10.1128/msystems.00332-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 06/13/2023] [Indexed: 09/06/2023] Open
Abstract
IMPORTANCE The development of probiotic therapies targeted at the small intestinal microbiota represents a significant advancement in the field of probiotic interventions. This region poses unique opportunities due to its low number of gut microbiota, along with the presence of heightened immune and metabolic host responses. However, progress in this area has been hindered by a lack of detailed understanding regarding the molecular mechanisms through which probiotics exert their effects in the small intestine. Our study, utilizing a synthetic community of three small intestinal bacterial strains and the addition of two different probiotic species, and kynurenine as a representative dietary or endogenously produced compound, highlights the importance of selecting probiotic species with diverse genetic capabilities that complement the functional capacity of the resident microbiota, or alternatively, constructing a multispecies formula. This approach holds great promise for the development of effective probiotic therapies and underscores the need to consider the functional capacity of probiotic species when designing interventions.
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Affiliation(s)
- Jack Jansma
- Host-Microbe Interactions, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Groningen, the Netherlands
| | | | | | | | - Sahar El Aidy
- Host-Microbe Interactions, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Groningen, the Netherlands
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Akhova AV, Tkachenko AG. Cadaverine Biosynthesis in Escherichia сoli Adaptation to Hydrogen Peroxide. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822050039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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