WHO Critical Priority Escherichia coli in Latin America: A One Health Challenge for a Post-Pandemic World

Lincopán, Nilton; Fuentes‐Castillo, Danny; Espinoza-Muñoz, Maria; Gonzales-Zubiate, Fernando A.; Gonzáles-Escalante, Edgar; Maturrano, Lenin; Vignoli, Rafael; Conza, José Alejandro Di; Gutkind, Gabriel

doi:10.1007/978-3-031-29882-0_1

Trending Topics in Escherichia Coli Research 2023

DOI: 10.1007/978-3-031-29882-0_1

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WHO Critical Priority Escherichia coli in Latin America: A One Health Challenge for a Post-Pandemic World

Nilton Lincopán

Danny Fuentes‐Castillo

Maria Espinoza-Muñoz³

et al.

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2024

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Cited by 1 publication

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Lack of wastewater treatment in a small town drives the spread of ESBL‐producing Escherichia coli in irrigation waters

VanderYacht,

Salinas,

Remerleitch

et al. 2024

J of Env Quality

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Antibiotic resistance (ABR) is a critical and growing global challenge, especially in low‐ and middle‐income countries. Ecuador has made great progress in connecting households to piped water supplies; however, the collection and treatment of domestic wastewater has lagged. This infrastructural gap may be accelerating the spread of ABR into surface waters used downstream for irrigation. We studied the contributions of a small town in Ecuador to the prevalence of extended‐spectrum β‐lactamase‐producing Escherichia coli in a glacial stream used for irrigating crops. The study analyzed water samples upstream (n = 60) and downstream (n = 60) of the town of Píntag as well as 30 lettuce samples irrigated by surface waters downstream of the town. A subset of third generation cephalosporin resistant E. coli (3GCR‐EC) isolates (n = 58) were sequenced to characterize antibiotic resistance genes and pathogenic lineages. Our results showed that there was nearly a three‐log increase in mean E. coli colony forming units in the downstream samples versus upstream. At the upstream sites above the town of Píntag, 6.7% of water samples were positive for 3GCR‐EC compared to 100% of samples collected at the downstream sites. Additionally, 70.1% of sequenced 3GCR‐EC isolates collected at downstream sites carried blaCTX‐M genes and 3.4% belonged to pandemic lineages ST131 and ST10. As countries develop household piped water infrastructure, attention should focus on how the lack of domestic wastewater collection and treatment may accelerate the spread of ABR in waterways and the food system.

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Lack of wastewater treatment in a small town drives the spread of ESBL‐producing Escherichia coli in irrigation waters

VanderYacht,

Salinas,

Remerleitch

et al. 2024

J of Env Quality

View full text Add to dashboard Cite

show abstract

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WHO Critical Priority Escherichia coli in Latin America: A One Health Challenge for a Post-Pandemic World

Cited by 1 publication

References 151 publications

Lack of wastewater treatment in a small town drives the spread of ESBL‐producing Escherichia coli in irrigation waters

Lack of wastewater treatment in a small town drives the spread of ESBL‐producing Escherichia coli in irrigation waters

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