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da Silva TF, Glória RDA, de Sousa TJ, Americo MF, Freitas ADS, Viana MVC, de Jesus LCL, da Silva Prado LC, Daniel N, Ménard O, Cochet MF, Dupont D, Jardin J, Borges AD, Fernandes SOA, Cardoso VN, Brenig B, Ferreira E, Profeta R, Aburjaile FF, de Carvalho RDO, Langella P, Le Loir Y, Cherbuy C, Jan G, Azevedo V, Guédon É. Comprehensive probiogenomics analysis of the commensal Escherichia coli CEC15 as a potential probiotic strain. BMC Microbiol 2023; 23:364. [PMID: 38008714 PMCID: PMC10680302 DOI: 10.1186/s12866-023-03112-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 11/06/2023] [Indexed: 11/28/2023] Open
Abstract
BACKGROUND Probiotics have gained attention for their potential maintaining gut and immune homeostasis. They have been found to confer protection against pathogen colonization, possess immunomodulatory effects, enhance gut barrier functionality, and mitigate inflammation. However, a thorough understanding of the unique mechanisms of effects triggered by individual strains is necessary to optimize their therapeutic efficacy. Probiogenomics, involving high-throughput techniques, can help identify uncharacterized strains and aid in the rational selection of new probiotics. This study evaluates the potential of the Escherichia coli CEC15 strain as a probiotic through in silico, in vitro, and in vivo analyses, comparing it to the well-known probiotic reference E. coli Nissle 1917. Genomic analysis was conducted to identify traits with potential beneficial activity and to assess the safety of each strain (genomic islands, bacteriocin production, antibiotic resistance, production of proteins involved in host homeostasis, and proteins with adhesive properties). In vitro studies assessed survival in gastrointestinal simulated conditions and adhesion to cultured human intestinal cells. Safety was evaluated in BALB/c mice, monitoring the impact of E. coli consumption on clinical signs, intestinal architecture, intestinal permeability, and fecal microbiota. Additionally, the protective effects of both strains were assessed in a murine model of 5-FU-induced mucositis. RESULTS CEC15 mitigates inflammation, reinforces intestinal barrier, and modulates intestinal microbiota. In silico analysis revealed fewer pathogenicity-related traits in CEC15, when compared to Nissle 1917, with fewer toxin-associated genes and no gene suggesting the production of colibactin (a genotoxic agent). Most predicted antibiotic-resistance genes were neither associated with actual resistance, nor with transposable elements. The genome of CEC15 strain encodes proteins related to stress tolerance and to adhesion, in line with its better survival during digestion and higher adhesion to intestinal cells, when compared to Nissle 1917. Moreover, CEC15 exhibited beneficial effects on mice and their intestinal microbiota, both in healthy animals and against 5FU-induced intestinal mucositis. CONCLUSIONS These findings suggest that the CEC15 strain holds promise as a probiotic, as it could modulate the intestinal microbiota, providing immunomodulatory and anti-inflammatory effects, and reinforcing the intestinal barrier. These findings may have implications for the treatment of gastrointestinal disorders, particularly some forms of diarrhea.
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Affiliation(s)
- Tales Fernando da Silva
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Rafael de Assis Glória
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Thiago Jesus de Sousa
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Monique Ferrary Americo
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Andria Dos Santos Freitas
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Marcus Vinicius Canário Viana
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Luís Cláudio Lima de Jesus
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | | | - Nathalie Daniel
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France
| | - Olivia Ménard
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France
| | - Marie-Françoise Cochet
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France
| | - Didier Dupont
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France
| | - Julien Jardin
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France
| | - Amanda Dias Borges
- Department of clinical and toxicological analysis, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Simone Odília Antunes Fernandes
- Department of clinical and toxicological analysis, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Valbert Nascimento Cardoso
- Department of clinical and toxicological analysis, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Bertram Brenig
- Department of Molecular Biology of Livestock, Institute of Veterinary Medicine, Georg-August Universität Göttingen, Göttingen, Germany
| | - Enio Ferreira
- Department of general pathology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Rodrigo Profeta
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Flavia Figueira Aburjaile
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
- Veterinary school, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | | | - Philippe Langella
- Université Paris Saclay, INRAE, AgroParisTech, UMR1319, MICALIS, Jouy-en-Josas, France
| | - Yves Le Loir
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France
| | - Claire Cherbuy
- Université Paris Saclay, INRAE, AgroParisTech, UMR1319, MICALIS, Jouy-en-Josas, France
| | - Gwénaël Jan
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France
| | - Vasco Azevedo
- Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Éric Guédon
- 1INRAE, Institut Agro, STLO, UMR1253, 65 rue de Saint Brieuc, 35042, Rennes, Cedex, France.
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Anjos-Ramos L, Gama LA, Mati VLT, Corá LA, Fujiwara RT, Americo MF. Evaluation of gastrointestinal transit after infection with different loads of Strongyloides venezuelensis in rats. Acta Trop 2016; 156:43-7. [PMID: 26739657 DOI: 10.1016/j.actatropica.2015.12.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 12/19/2015] [Accepted: 12/22/2015] [Indexed: 12/12/2022]
Abstract
The aim was to correlate the gastrointestinal transit profile in rats, evaluated by a biomagnetic technique, in response to infection with different loads of Strongyloides venezuelensis. Eggs per gram, intestinal number of worms and fecundity, and also gastric emptying time, cecum arrival time, small intestinal transit time and stool weight were determined. Assessments occurred at 0 (control), 3, 6, 9, 12, 15, 18 and 21 days post infection (dpi) with three infective loads (400, 2000, and 10,000 L). Gastric emptying was faster (p=0.0001) and the intestinal transit was significantly slower (p=0.001) during the infection time course. Also, linear mixed-effects models showed significantly changes in small intestinal transit after three parasite load over time. Cecum arrival was not influenced by infection time course or parasite load. As indirect effect, stool weight decreased accompanied a strong oviposition peak at 9 dpi in 400 L and 2000 L. In several motor function instances, neuromuscular dysfunction persists after mucosal inflammation has decreased. Our approach could be very helpful to evaluate gastrointestinal motor abnormalities in vivo after parasite infection. Despite parasitological data progressively decreased after 15 dpi, small intestinal transit worse over time and according to burden.
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Affiliation(s)
- L Anjos-Ramos
- Instituto de Ciências Biológicas e da Saúde, UFMT-Universidade Federal de Mato Grosso, Barra do Garças, Mato Grosso, Brazil
| | - L A Gama
- Instituto de Ciências Biológicas e da Saúde, UFMT-Universidade Federal de Mato Grosso, Barra do Garças, Mato Grosso, Brazil
| | - V L T Mati
- Instituto de Ciências Biológicas UFMG-Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - L A Corá
- Centro de Ciências Integradoras, UNCISAL-Universidade Estadual de Ciências da Saúde de Alagoas, Maceió, Alagoas, Brazil
| | - R T Fujiwara
- Instituto de Ciências Biológicas UFMG-Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - M F Americo
- Instituto de Ciências Biológicas e da Saúde, UFMT-Universidade Federal de Mato Grosso, Barra do Garças, Mato Grosso, Brazil.
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Calabresi MFF, Quini CC, Matos JF, Moretto GM, Americo MF, Graça JRV, Santos AA, Oliveira RB, Pina DR, Miranda JRA. Alternate current biosusceptometry for the assessment of gastric motility after proximal gastrectomy in rats: a feasibility study. Neurogastroenterol Motil 2015; 27:1613-20. [PMID: 26303680 DOI: 10.1111/nmo.12660] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 07/25/2015] [Indexed: 12/12/2022]
Abstract
BACKGROUND This study proposes an experimental model to assess the consequences of gastric surgeries on gastric motility. We investigated the effects of proximal gastrectomy (PG) using a non-invasive technique (alternate current biosusceptometry [ACB]) on gastric contractility (GC), gastric emptying (GE), and orocecal transit (OCT) after the ingestion of liquids and solids in rats. METHODS Twenty-four male rats were subjected to gastric motility assessment before and after the PG procedure. The GE and OCT results are expressed as the mean time of gastric emptying (MGET) and cecum arrival (MCAT). The GC recordings are presented as the frequency and amplitude of contractions. KEY RESULTS Mean time of gastric emptying after solid meals were significantly different (p < 0.001) between control and PG (113 ± 5 to 99 ± 6 min). Mean time of cecum arrival ranged from 265 ± 9 to 223 ± 11 min (p < 0.001) and 164 ± 9 to 136 ± 17 min (p < 0.050) for solid and liquid meals, respectively. The assessment of GC showed that surgery decreased the phasic frequency (4.4 ± 0.4 to 3.0 ± 1.1 cpm, p < 0.050) and increased the amplitude of contractions (3.6 ± 2.7 to 7.2 ± 3.0 V/s, p < 0.050). No significant difference was found in tonic frequency. CONCLUSIONS & INFERENCES The ACB system was able to assess GE, OCT, and GC in gastrectomized rats. Overall, PG accelerated GE and gastrointestinal transit, likely due to the increase in both intragastric pressure and amplitude contraction. Our data presented an efficient model to investigate functional consequences from gastric surgeries that will allow further studies involving different procedures.
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Affiliation(s)
- M F F Calabresi
- Departamento de Física e Biofísica, Instituto de Biociências de Botucatu, UNESP-Universidade Estadual Paulista, Botucatu, São Paulo, Brazil
| | - C C Quini
- Departamento de Física e Biofísica, Instituto de Biociências de Botucatu, UNESP-Universidade Estadual Paulista, Botucatu, São Paulo, Brazil
| | - J F Matos
- Departamento de Física e Biofísica, Instituto de Biociências de Botucatu, UNESP-Universidade Estadual Paulista, Botucatu, São Paulo, Brazil
| | - G M Moretto
- Departamento de Física e Biofísica, Instituto de Biociências de Botucatu, UNESP-Universidade Estadual Paulista, Botucatu, São Paulo, Brazil
| | - M F Americo
- Instituto de Ciências Biológicas e da Saúde, UFMT-Universidade Federal de Mato Grosso, Barra do Garças, Mato Grosso, Brazil
| | - J R V Graça
- Departamento de Fisiologia, Faculdade de Medicina de Sobral, UFC-Universidade Federal do Ceará, Sobral, Ceará, Brazil
| | - A A Santos
- Departamento de Fisiologia e Farmacologia, Faculdade de Medicina, UFC-Universidade Federal do Ceará, Fortaleza, Ceará, Brazil
| | - R B Oliveira
- Departamento de Clínica Médica, Faculdade de Medicina de Ribeirão Preto, USP-Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - D R Pina
- Departamento de Doenças Tropicais e Diagnóstico por Imagem, Faculdade de Medicina de Botucatu, UNESP - Universidade Estadual Paulista, Botucatu, São Paulo, Brazil
| | - J R A Miranda
- Departamento de Física e Biofísica, Instituto de Biociências de Botucatu, UNESP-Universidade Estadual Paulista, Botucatu, São Paulo, Brazil
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