Publications by authors named "Chrystal Landgraff"

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Leveraging artificial intelligence community analytics and nanopore metagenomic surveillance to monitor early enteropathogen outbreaks.
Jeff Gauthier, Sima Mohammadi, Irena Kukavica-Ibrulj, Brian Boyle, Chrystal Landgraff

Front Public Health· December 2025

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Evaluation of sampling methods for genomic surveillance of SARS-CoV-2 variants in aircraft wastewater: advancing global early-warning systems for future pandemics.
Opeyemi U Lawal, Valeria R Parreira, Fozia Rizvi, Melinda Precious, Rebecca E V Anderson, Chrystal Landgraff

Front Microbiol· December 2025

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A targeted tiled amplicon sequencing approach for clade and subclade level differentiation of monkeypox virus from wastewater.
Mathew Fisher, Jennifer Ali, Shayna Giesbrecht, Raveena Roopra, Veronica Carroll, Chrystal Landgraff

Sci Rep· August 2025

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Diagnostic performance of allele-specific RT-qPCR and genomic sequencing in wastewater-based surveillance of SARS-CoV-2.
Md Pervez Kabir, Élisabeth Mercier, Walaa Eid, Julio Plaza-Diaz, Patrick M D'Aoust, Chrystal Landgraff

Eco Environ Health· March 2025

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Genomic surveillance of Canadian airport wastewater samples allows early detection of emerging SARS-CoV-2 lineages.
Alyssa K Overton, Jennifer J Knapp, Opeyemi U Lawal, Richard Gibson, Anastasia A Fedynak, Chrystal Landgraff

Sci Rep· November 2024

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Wastewater surveillance monitoring of SARS-CoV-2 variants of concern and dynamics of transmission and community burden of COVID-19.
Maria E Hasing, Bonita E Lee, Tiejun Gao, Qiaozhi Li, Yuanyuan Qiu, Chrystal Landgraff

Emerg Microbes Infect· December 2023

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RNA in Municipal Wastewater Reveals Magnitudes of COVID-19 Outbreaks across Four Waves Driven by SARS-CoV-2 Variants of Concern.
Yuwei Xie, Jonathan K Challis, Femi F Oloye, Mohsen Asadi, Jenna Cantin, Chrystal Landgraff

ACS ES T Water· November 2022

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Rapid transition between SARS-CoV-2 variants of concern Delta and Omicron detected by monitoring municipal wastewater from three Canadian cities.
Femi F Oloye, Yuwei Xie, Mohsen Asadi, Jenna Cantin, Jonathan K Challis, Chrystal Landgraff

Sci Total Environ· October 2022

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Distribution of heavy metal resistance elements in Canadian Salmonella 4,[5],12:i:- populations and association with the monophasic genotypes and phenotype.
Clifford G Clark, Chrystal Landgraff, James Robertson, Frank Pollari, Stephen Parker

PLoS One· September 2020

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Complete Genome Sequences of Six Salmonella enterica Serovar 4,[5],12:i:- Isolates from Canada.
Matthew Walker, Chrystal Landgraff, Clifford Clark

Microbiol Resour Announc· June 2020

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