International Symposium on Pathogenic Escherichia coli

About the symposium

The “International Symposium on Pathogenic Escherichia coli” arose from the need for a space to hold an updated multidisciplinary meeting to exchange knowledge on basic and applied scientific research on pathogenic E. coli. This event will cover aspects of human and animal health, and environmental ecosystems having E. coli as main focus. Different aspects will be covered such as genomics, proteomics, pathogenesis, epidemiology, diagnosis, new approaches for treatment, reservoirs, transmission routes and its impact on public health.

This Symposium is open for scientists and also young researchers, students and postdocs working in this field. It will be organized in conferences, short communications and poster presentations.

Reserve your spot

Venue: Administrative Center Auditorium, Butantan Institute, São Paulo, SP, Brazil

June 11th to 13th, 2025.

Deadline abstract submission May 5, 2025

Free registration: click here

Abstract submissions instructions

Abstract Title

Please use a short and concise title that indicates the content of the abstract. (Please note: The title is not included in the total character count of 2,200).

Abstract Body Text

Your abstract may have up to 2,200 characters, which does not include title, authors, groups and affiliations.
Spaces are not counted. Do not include abstract titles, authors or keywords in abstract text.
Your abstract may be written without the use of the following bolded headers: Background, Methods, Results, Conclusion.

Author Information

Author(s)'s name(s), institution(s), location(s)

Scientific Committee

Analía Trevani, Angel Cataldi, Beatriz Guth, Cristina Ibarra, Elizabeth Miliwebsky, Leticia Bentancor, Maria Marta Amaral, Mariano Lazarbal, Marina Palermo, Rodrigo Hernandes, Roxane Piazza, Tânia Gomes, Waldir Elias.

Pre-symposium course: interaction between host and diarrheagenic E. coli

On June 9th and 10th, 2025, there will be an in-person theoretical-practical pre-symposium course entitled “Interaction between host and diarrheagenic E. coli". This course will be taught in Spanish and will have limited places. For more information about this course click here.

Venue: Administrative Center Auditorium and Microbiology Museum, Butantan Institute, São Paulo, SP, Brazil

Pre-symposium course: “Interaction between host and diarrheagenic E. coli".

June 9th, 2025 - Theoretical course 9 am to 5 pm

June 10th, 2025 - Practical course 9 am to 5 pm

The scientific committee will select 35 applicants for the theoretical and 15 applicants for theoretical-practical (course programme)

Click here to access the course programming

Registration form

Additional information

Horário: 8h às 18h

Público-Alvo: professor, researcher, professionals, undergraduate student, master degree student, PhD student, posdoc)

Carga horária: 22 h

Event schedule

Opening

Registration

8h30

Welcome Address

Esper G. Kallás
Director of Butantan Institute

Sandra Coccuzzo Sampaio
Director of Scientific Development Center

Session I: Cellular and Molecular Microbiology of E. coli Pathotypes.

Chairs: Tânia Gomes and Maria Marta Amaral

9h 9h30	Keynote lecture I: Interkingdoms Cell Communication: the Role of the Secretion Systems in EHEC-Epithelial Cells Interaction Fernando Navarro-Garcia (Cell Biology, Center for Research and Advanced Studies, Mexico) Oral communications
9h30 9h50	*Unveiling the evolutionary origin of a hybrid atypical enteropathogenic/enteroaggregative (aEPEC/EAEC) Escherichia coli* of serotype O3:H2:** Rodrigo Tavanelli Hernandes (São Paulo State University, Botucatu, SP, Brazil)
9h50 10h10	*Neurological effects of malnutrition in a murine model of enterohemorrhagic E. coli* Shiga toxin 2** Jorge Goldstein (Facultad de Medicina, UBA, ARG)
10h10 10h30	EHEC Pathogenesis Unveiled: EspF's Role at the Host-Pathogen Interface Chengsong Wan (South Medical University, Guangzhou, China)
10h30 11h	Coffee break
11h 11h20	Exploring the genomic diversity of enteroaggregative E. coli Ulrich Döbrindt (Münster University, Germany)
11h20 11h40	Abstract selection
11h40 12h	Abstract selection
12h 13h30	Lunch/Poster Session

Session II: E. coli infections: Epidemiology, diagnosis and pathogenesis.

Chairs: Daniela Luz and Elizabeth Miliwebsky

13h30 14h	Keynote lecture II: *Virulence factors of extra-intestinal pathogenic E. coli: an important cause of human infections and links to the food chain* Charles Dozois (INRS-Centre Armand-Frappier Santé Biotechnologie Laval, Quebec, Canada) Oral communications
14h 14h20	*Surveillance and characteristics of diarrheagenic E. coli* isolated in Brazil** Luis Fernando dos Santos (Adolfo Lutz Institute, SP, Brazil)
14h20 14h40	*Genomic epidemiology applied to diarrheagenic E. coli* - From bench to computer** Claudia Carolina Carbonari (Malbrán Institute, Argentina)
14h40 15h	Integrated surveillance of diarrheagenic Escherichia coli pathotypes in Cuba Adalberto Águila Sanchez (Cuba)
15h 15h30	Coffee-Break
15h30 15h50	Status of antibiotic resistance in Escherichia coli in Argentina from a One Health perspective Sonia A. Gómez (Malbrán Institute, Argentina)
15h50 16h10	Abstract selection
16h10 16h30	Abstract selection
16h45 18h	Poster section

Session III: E. coli infections: Pathogen-Host Interaction and the Role of the Microbiota.

Chairs: Rodrigo Hernandes and Leticia Bentancor

9h 9h30	Keynote lecture III: *Unveiling the association between fecal gut microbiota and short-chain fatty acids in diarrhea caused by diarrheagenic Escherichia coli* in children** Mauricio Farfan (University of Chile, Chile) Oral communications
9h30 9h50	Pathogenic implications of EAEC-EHEC co-infections Romina Fernandez Brando (IMEX, Academia Nacional de Medicina, Arg)
9h50 10h10	*Phenotypic and genotypic characterisation of clinical isolates of atypical enteropathogenic Escherichia coli* isolated from children hospitalized because of severe diarrhoea** Teresa Estrada-Garcia
10h10 10h30	Evaluating the pulmonary pathogenic potential of extraintestinal Escherichia coli pathogenic strains Tania Gomes (Federal University of São Paulo, SP, Brazil)
10h30 11h	Coffee break
11h 11h20	*What makes Escherichia coli* an extraintestinal pathogen?** Fabiana Horn (Federal University of Rio Grande do Sul)
11h20 11h40	Abstract selection
11h40 12h	Abstract selection
12h 13h30	Lunch/Poster Session

Session IV: STEC/EHEC infections: Epidemiology, Diagnosis and Pathogenesis/Pathogen-Host Interaction.

Chairs: Marina Palermo and Beatriz Guth

13h30 14h	Keynote lecture IV: Pour some sugar on me: EHEC interactions with the gut microbiota Vanessa Sperandio (University of Wisconsin, School of Medicine and Public Health, USA) Oral communications
14h 14h20	*Description of the adhesioma of Shiga toxin-producing Escherichia coli* strains isolated from cattle in Chile** Nicolas Galarce (University of Chile, Department of Medical Preventive Veterinary, Chile)
14h20 14h40	Contribution of neutrophil extracellular vesicles to renal tissue damage in Hemolytic Uremic Syndrome (HUS) Analia Trevani (Laboratorio de Inmunidad Innata, Instituto de Medicina Experimental (IMEX-CONICET- Academia Nacional de Medicina, Argentina)
14h40 15h	Involvement of aquaporins in the pathogenesis of STEC-HUS María Marta Amaral (University of Buenos Aires, Argentina)
15h 15h30	Coffee-Break
15h30 15h50	Study of bacteriophage 933w in germ-free mice Leticia Bentancor (Instituto de Estudios para el Desarrollo Productivo y la Innovación (IDEPI), Universidad Nacional de José C Paz (UNPaz), Argentina
15h50 16h10	Abstract selection
16h10 16h30	Abstract selection
16h45 18h	Poster section

Session V: Experimental Challenges for Prevention and Therapeutic strategies for E. coli infections

Chairs: Mariano Lazarbal and Angel Cataldi (INTA, ARG)

9h 9h30	Keynote lecture V: Microbiome alterations of mice following immunization with vaccines against enterohemorrhagic Escherichia coli Alfredo Torres (University of Texas Medical Branch, USA) Oral communications
9h30 9h50	*Multivalent vaccine for cattle against colonization of enterohemorrhagic Escherichia coli* O157:H7 and neonatal diarrhea in calves** Mariano Larzábal (ARG)
9h50 10h10	Therapeutic approaches for HUS and STEC infection Flavia Sacerdoti (University of Buenos Aires, Argentina)
10h10 10h30	Challenges and perspectives in developing therapeutic monoclonal antibodies against Shiga toxins Daniela Luz (Bacteriology Laboratory, Center for Antibodies Development, Butantan Institute, São Paulo, SP, Brazil)
10h30 11h	Coffee break
11h 11h20	INM004: development of a new immunotherapy for the treatment of STEC-HUS Marta Rivas (Inmunova, Argentina)
11h20 11h40	Abstract selection
11h40 12h	Abstract selection
12h 13h	Lunch/Poster Session
13h30 14h30	Poster Session