Invited Presentation
2025
1. Seeing the unseen: How genomics reveals the hidden world around us. Keynote Speaker, Canada Black Science Network Annual Youth Science Fair, University of Guelph, Ontario, Canada. April 2025.
2024
1. Phylogenomics of novel clones of Aeromonas veronii recovered from a freshwater lake reveals unique biosynthetic gene clusters. 4th Annual Canadian Black Scientists Network, National Library & Public Archives in Ottawa, Ontario, Canada. August 2024.
2. Phage contributes to the emergence and spread of antimicrobial resistance and virulence determinants in Salmonella enterica. Bioinformatics, Genomics and Genomic Evolution Symposium, 73rd Conference of the Canadian Society for Microbiologist, Western University, London, Ontario, Canada. June 2024
3. The tipping point: Exploring commensal to pathogen transition for novel therapeutic approaches. Guest Lecture, Department of Biology and Environmental Sciences, Concordia University of Edmonton. Canada. March 2024.
2023
1. System-based models for improving the quality and safety of emerging food types. Guest Lecture, Department of Food Science, University of Guelph. Ontario, Canada. November 2023.
2022
1. Validation of SARS-CoV-2 sequencing approaches in Ontario, Canada. M&V International Working group meeting on validation of SARS-CoV-2 sequencing process. September 2022.
2. Wastewater treatment systems: An effective line of defence for tracking SARS-CoV-2 variants of concern. AMR-Africa One-Health Network, September 2022.
2018
1. Matrix composition and genetic basis of biofilm produced by Staphylococcus saprophyticus. Microbiology of Human Pathogen Unit Seminar series, Instituto de Tecnologia, Quimica e Biologica, New University of Lisbon, Oeiras, Portugal.
2017
1. Molecular epidemiology of Staphylococcus saprophyticus isolated from outpatients with urinary tract infections in a Danish hospital. Microbiology of Human Pathogen Unit Seminar series, Instituto de Tecnologia, Quimica e Biologica, New University of Lisbon, Oeiras, Portugal.
2016
1. In-vitro and in-vivo effectiveness of an innovative silver-copper nanoparticle coating of catheters to prevent methicillin-resistant Staphylococcus aureus infection. Microbiology of Human Pathogen Unit Seminar series, Instituto de Tecnologia, Quimica e Biologica, New University of Lisbon, Oeiras, Portugal.
2013
1. A critical analysis of antibiotic-resistant bacteria and resistance determinants in the environment. Postgraduate Seminar series, Department of Microbiology Postgraduate, University of Ibadan, Ibadan, Nigeria.
2009
1. Biochemical, biological, and biophysical aspects of Streptomyces. Seminar series, Department of Microbiology University of Ado Ekiti, Ado Ekiti, Nigeria. February 2009.
Conference Presentations
2025
1. Shotgun metagenomic sequencing provides insight into wild white-tailed deer as reservoirs of foodborne pathogens and antimicrobial resistance. Hu Y, OU Lawal, VR Parreira, L Goodridge. IAFP Conference, US. July 2025
2. Isolation and characterization of tannase-producing yeast species from fresh produce: A potential natural antimicrobial approach. Warriner L, VR Parreira, OU Lawal, L Goodridge. IAFP Conference, US. July 2025
3. Non-targeted wastewater analysis using full-length 16S rRNA nanopore sequencing to track public health priority pathogens. Lawal OU, A Zhao, VR Parreira, L Goodridge. London, UK. May 2025.
4. Tracking Vibrio cholerae in freshwater in Ontario, Canada. Lawal OU, N Bryan, M Soni, Y Chen, M Precious, VR Parreira, L Goodridge. FAO, UN, Rome, Italy. May 2025
5. Shotgun metagenomic analysis of zoonotic pathogens and antimicrobial resistance in wild deer feces. Hu Y, OU Lawal, VR Parreira, L Goodridge. One Health Conference, Calgary, Canada. March 2025
2024
1. Genomic Analysis of Salmonella on Wheat Kernels Treated with Lactic Acid Over a 6-Month Storage Period. Singh D, OU Lawal, N Linton, Leon-Velarde CG, L Goodridge. #35338. Annual Meeting of the International Association for Food Protection (IAFP), Long Beach Convention Center, Long Beach, California, USA. July 2024.
2. Microbial community dynamics in fresh and treated ready-to-eat vegetables during storage. Lawal OU, VR Parreira, M Singh, Y Chen, F Rizvi, M Soni, G Taggar, MG Corradini, L Goodridge. Abstract #35212. Annual Meeting of the International Association for Food Protection (IAFP), Long Beach Convention Center, Long Beach, California, USA. July 2024.
3. Diversity of non-O157 shiga toxin-producing Escherichia coli isolated from cattle from Western Canada cattle. Parreira VR, OU Lawal, K Stanford, L Goodridge. Abstract # Annual Meeting of IAFP, Long Beach Convention Center, Long Beach, California, USA. July 2024.
4. Fluorescence Fingerprints of Vegetable Juices: Monitoring Food Safety and Quality by Determining Treatment Efficacy and Remaining Shelf-life. Abstract #. Singh M, X Liu, VR Parreira, OU Lawal, M Zhang, A Homez-Jara, X Jun, J Shi, L Goodridge, MG Corradini. Annual Meeting of IAFP, Long Beach Convention Center, Long Beach, California, USA. July 2024.
5. 16S rRNA nanopore sequencing for non-targeted wastewater-based environmental analysis of foodborne pathogens. Zhao A, VR Parreira, OU Lawal, L Goodridge. Abstract #. Annual Meeting of IAFP, Long Beach Convention Center, Long Beach, California, USA. July 2024.
6. Genomic analysis identifies plasmid-borne biosynthetic gene clusters with potential antimicrobial products in Actinomycetes. Donald S, OU Lawal, L Goodridge. Abstract #. Annual Meeting of IAFP, Long Beach Convention Center, Long Beach, California, USA. July 2024.
7. Fluorescence fingerprints of vegetable juices: Monitoring of treatment efficacy and remaining shelf-life. Abstract #. Singh M, X Liu, VR Parreira, OU Lawal, M Zhang, A Homez-Jara, X Jun, J Shi, L Goodridge, MG Corradini. First Annual Meeting of the Institute of Food Technologists. McComick Place, Chicago, Illinois, USA, July 2024.
8. Plumbing the temporal and spatial structure of SARS-CoV-2 genomic variation in Ontario wastewater samples. Magbor P, W Wang, G Gugan, A Olabode, D Becker, V Parreira, OU Lawal, A Fedynak, L Zhang, F Rizvi, M Precious, C DeGroot, L Goodridge, A Poon. #66 - Genomics & bioinformatics. 31st International Dynamics & Evolution of Human Viruses. Squamish, British Columbia, Canada, June 2024.
9. Abundance of antimicrobial resistance genes in clinically relevant bacterial pathogens isolated from a recreational freshwater lake in Ontario, Canada. Lawal OU, N Bryan, M Soni, Y Chen, M Precious, A Fedynak, VR Parreira, L Goodridge. #161. EDAR7 - Environmental Dimension of Antimicrobial Resistance Conference, Bonaventure hotel in Montreal, Quebec, Canada. May 2024.
2023
1. Genomic analysis identifies a diversity of biosynthetic gene clusters that encode antimicrobial compounds in rare Salmonella serotypes. Lawal OU and L Goodridge. Abstract #P3-56. Annual Meeting of the International Association for Food Protection (IAFP), Metro Toronto Centre, Toronto, Canada. July 2023.
2. Isolation and phenotypic and genomic characterization of coliphages for potential use as a water quality indicator. Bryan N, R Anderson, B Xie, HM Davidson, OU Lawal, L Goodridge. Abstract #P2-249. Annual Meeting of the International Association for Food Protection (IAFP), Metro Toronto Centre, Toronto, Canada. July 2023.
3. Survival of a Salmonella Enteritidis bacteriophage-insensitive mutant in wheat kernels. Singh D, CG Leon-Velarde, OULawal, VR Parreira, J Gauthier, R Levesque, L Goodridge. Abstract #P1-204. Annual Meeting of the International Association for Food Protection (IAFP), Metro Toronto Centre, Toronto, Canada. July 2023.
4. Wastewater-Based Epidemiology of Providencia rettgeri. Botschner WA, H Davidson, OU Lawal, VR Parreira, L Goodridge. Abstract #P1-19. Annual Meeting of the International Association for Food Protection (IAFP), Metro Toronto Centre, Toronto, Canada. July 2023
5. Occurrence of biofilm-producing antibiotic-resistant Enterobacteriaceae in locally prepared Soy-Milk beverage sold within Abakaliki metropolis. Okoroafor I, E Amaechi, CO Okafor, B Eromonsele, OU Lawal. 44th Annual Conference of the Nigerian Society for Microbiology, Covenant University, Ota, Ogun State, Nigeria. July 2023.
6. Insight into the population structure of Providencia rettgeri - An emerging One-Health pathogen. Lawal OU, WA Botschner, H Davidson, VR Parreira, L Goodridge. Abstract #74. Annual Meeting of the Canadian Society for Microbiologists, University of Dalhousie, Halifax, Nova Scotia, Canada. June 2023
7. Genomic analysis identifies proteins implicated in bacterial virulence that are conserved in Salmonella enterica and enterohemorrhagic Escherichia coli. Lawal OU, C Tanui, R Levesque and L Goodridge. 11th International symposium on shiga toxin (verocytoxin) producing Escherichia coli infections. VTEC 2023. Banff Centre for Arts and Creativity Banff, Alberta, Canada. May 2023
8. A wastewater-based metagenomics for assessing the dynamics of SARS-CoV-2 Variants of Concern in the university residences and its host community over a one-year period. Lawal OU, L Zhang, VR Parreira, R Anderson, C Chettleburgh, S Ma, H McDougall, M Precious, Md T Hassan, E McBean, M Habash, L Goodridge. Toronto Wastewater Surveillance Conference by Ministry of Environment, Conservation and Parks and Toronto Metropolitan University held at Innovation centre, Toronto, Canada. February 2023.
2022
1. Contribution of plasmid diversity to the genomic plasticity of Salmonella enterica. Lawal OU and L Goodridge. Annual Meeting of the International Association for Food Protection (IAFP), Pittsburgh, Pennsylvania, US. July 2022.
2. A pipeline approach for the identification of Salmonella bacteriophages with tail spike proteins. Xie B, OU Lawal, VR Parreira and LD Goodridge. Annual Meeting of the International Association for Food Protection (IAFP), Pittsburgh, Pennsylvania, US. July 2022.
3. Comparison of MiSeq and MiniSeq sequencing platforms for metagenomic analysis of SARS-CoV-2 variants in wastewater. Lawal OU, C Buchanan, L Zhang, VR Parreira, M Wells, M Majcher, J Ali, C Landgraff, L Goodridge. 71stAnnual Conference of the CSM, University of Guelph, Ontario, Canada. June 2022.
4. Wastewater-based genomic epidemiology for tracking SARS-CoV-2 variants of concern in Ontario. Lawal OU, L Zhang, VR Parreira, G Islam, T De Melo, A Alashraf, SJ Payne, RS Brown, L Goodridge. 71st Annual Conference of the Canadian Society for Microbiologists (CSM), University of Guelph, Ontario, Canada. June 2022.
5. Combination of wastewater and social media analysis for enhanced population level COVID-19 surveillance. Goodridge L, OU Lawal, L Zhang, C Landgraff, B Chapman, K White and VP Pinto. BE-STEMM 2022, Canadian Black Scientist Network. January 2022.
2021
1. Analysis of the Delta variant sublineages in Ontario. Lawal OU, L Goodridge and C Landgraff. Meeting of the National Wastewater Variants of Concern working group, Public Health Agency of Canada (PHAC), Canada. November 2021.
2. Staphylococcus saprophyticus causing infections in humans are associated with high resistance to heavy metals. Lawal OU, MJ Fraqueza, O Bouchami, P Worning, MD Bartels, L Goncalves, P Paixão, E Goncalves, C Toscano, J Empel, M Urbas, M Domínguez Luzon, H Westh, H de Lencastre and M Miragaia. American Society for Microbiology (ASM) and Federation of European Microbiological Societies (FEMS) World Microbe Forum, June 2021.
3. Staphylococcus saprophyticus from clinical and environmental origin have distinct biofilm composition. Lawal OU, M Barata, MJ Fraqueza, P Worning, MD Bartels, L Goncalves, P Paixão, E Goncalves, C Toscano, J Empel, M Urbas, M Domínguez Luzon, H Westh, H de Lencastre and M Miragaia. American Society for Microbiology (ASM) and Federation of European Microbiological Societies (FEMS) World Microbe Forum, June 2021.
4. Unravelling the drivers of the intra-clonal diversity of Vancomycin Resistant Enterococcus faecium (VREFm) ST80 clone. Lawal OU, M Rubin, AM Petersen, S Mollerup, M Pinholt, M Camoez, M Miragaia and H Westh. 31st European Congress for Clinical Microbiology and Infectious Diseases (ECCMID), Vienna, Austria, June 2021.
2020
1. Minimum inhibitory concentration (MIC) distributions and putative new resistance mechanisms for mecillinam and trimethoprim in Staphylococcus saprophyticus. Jansåker F, J Monk, OU Lawal, S Mollerup, J Iversen, ML Goncalves, P Paixao, E F. Goncalves, C Toscano, J Empel, M Urbaś, MA Dominguez, MJ Fraqueza, H de Lencastre, M Miragaia, H Westh and JD Knudsen. 30th ECCMID. Paris, France. April 18-21, 2020.
2. Manipulation of raw pig meat is a risk for transmission of carbapenem-resistant Pseudomonas fluorescens to humans in the community. Camoez M, A Botelho, O Bouchami, H Fernandes, N Faria, OU Lawal, A Barreto, MJ Fraqueza, M Miragaia. 30th ECCMID. Paris, France. April 18-21, 2020.
3. Exploring the molecular epidemiology of Staphylococcus saprophyticus. Lawal OU. 10th PhD Students Meeting. Instituto de Tecnologia, Quimica e Biologica, New University of Lisbon, Oeiras, Portugal. January 2020.
2019
1. Genome-wide association studies reveals genetic factors that contribute to the success of Staphylococcus saprophyticusas a uropathogen. Lawal OU, O Bouchami, P Worning, MD Bartels, L Goncalves, P Paixao, E Goncalves, C Toscano, MJ Fraqueza, H Westh, H de Lencastre and M Miragaia. 12th International Meeting on Microbiology and Epidemiological Markers (IMMEM XII) Dubrovnic, Croatia. September 2019.
2. Transmission of methicillin-resistant Staphylococcus aureus (MRSA) ST398 through the food chain in Portugal. Bouchami O, H de Lencastre, OU Lawal, MJ Fraqueza, N Faria and M Miragaia. IMMEM XII, Dubrovnic, Croatia. September 2019.
3. High variability in the composition of the biofilm formed by Staphylococcus saprophyticus. Lawal OU, M Barata, O Bouchami, P Worning, MD Bartels, L Goncalves, P Paixao, E Goncalves, C Toscano, H Westh, MJ Fraqueza, H de Lencastre and M Miragaia. Abstract P277. Congress of Microbiology and Biotechnology, held at the University of Coimbra, December 2019.
4. Pangenome analysis revealed the existence of different origin of Staphylococcus saprophyticus causing urinary tract infection (UTI) in human. Lawal OU, O Bouchami, P Worning, MD Bartels, L Goncalves, P Paixao, E Goncalves, C Toscano, J Empel, M Urbas, MA Dominguez, H Westh, H de Lencastre and M Miragaia. Abstract P1634. 29th ECCMID. Amsterdam, The Netherlands, April 2019.
5. Comparative genomic analysis revealed the existence of different origin of Staphylococcus saprophyticus causing urinary tract infection (UTI) in humans. Lawal OU, O Bouchami, P Worning, MD Bartels, L Goncalves, P Paixao, E Goncalves, C Toscano, J Empel, M Urbas, MA Dominguez, H Westh, H de Lencastre and M Miragaia. 4th Molecular Genetics Workshop. Rectoria da Universidade NOVA de Lisboa, Portugal. March 2019.
2018
1. Evidence for the origin of Staphylococcus saprophyticus causing urinary tract infection (UTI) in humans. Lawal OU, O Bouchami, P Worning, MD Bartels, L Goncalves, P Paixao, E Goncalves, C Toscano, MJ Fraqueza, H Westh, H de Lencastre and M Miragaia. Abstract P118. International Symposium of Staphylococci and Staphylococcal Infections (ISSSI). Copenhagen, Denmark. August 2018.
2. First insight into the population structure of Staphylococcus saprophyticus from urinary tract infection (UTI) in Europe. Lawal OU, O Bouchami, P Worning, MD Bartels, L Goncalves, P Paixao, E Goncalves, C Toscano, J Empel, D Żabicka, MA Dominguez, H Westh, H de Lencastre and M Miragaia. Abstract O0993. 28th ECCMID, Madrid, Spain. April 2018.
2017
1. Epidemiological link of Staphylococcus saprophyticus along the meat production chain. Lawal OU, O Bouchami, MJ Fraqueza, L Goncalves, P Paixao, E Goncalves, C Toscano, H de Lencastre and M Miragaia. Congress of Microbiology and Biotechnology held at Universidade Catolica Portuguesa, Porto. Portugal. December 2017.
2. Sources and dissemination of Staphylococcus saprophyticus along food chain. Lawal OU, O Bouchami, MJ Fraqueza, L Goncalves, P Paixao, E Goncalves, C Toscano, H de Lencastre and M Miragaia. 8th PhD students Meeting, Instituto de Tecnologia, Quimica e Biologica, New University of Lisbon. Oeiras, Portugal. November 2017.
3. Transmission of Staphylococcus saprophyticus between clinical, slaughterhouse and food settings. Lawal OU, O Bouchami, MJ Fraqueza, L Goncalves, P Paixao, E Goncalves, C Toscano, H de Lencastre and M Miragaia. 3rd Molecular Genetics Workshop held at Rectoria da Universidade NOVA de Lisboa, Portugal. March 2017.
4. Exploring the molecular epidemiology of Staphylococcus saprophyticus. Lawal OU, O Bouchami, H de Lencastre and M Miragaia. National Science Meeting in Portugal held at Congress Centre, Lisbon, Portugal. March 2017.