Population structure and pathogen interaction of Escherichia coli in freshwater: Implications of land‐use for water quality and public health in Aotearoa New Zealand

Freshwater samples (n = 199) were obtained from 41 sites with contrasting land‐uses (avian, low impact, dairy, urban, sheep and beef, and mixed sheep, beef and dairy) and the E. coli phylotype of 3980 isolates (20 per water sample enrichment) was determined. Eight phylotypes were identified with B1...

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Published in:Environmental microbiology reports 2024-08, Vol.16 (4), p.e13319-n/a
Main Authors: Cookson, Adrian L., Devane, Meg, Marshall, Jonathan C., Moinet, Marie, Gardner, Amanda, Collis, Rose M., Rogers, Lynn, Biggs, Patrick J., Pita, Anthony B., Cornelius, Angela J., Haysom, Iain, Hayman, David T. S., Gilpin, Brent J., Leonard, Margaret
Format: Article
Language:English
Subjects:
Animals
Cryptosporidium - classification
Cryptosporidium - genetics
Cryptosporidium - isolation & purification
Escherichia coli - classification
Escherichia coli - genetics
Escherichia coli - isolation & purification
Feces - microbiology
Fresh Water - microbiology
Giardia - classification
Giardia - genetics
Giardia - isolation & purification
Humans
New Zealand
Phylogeny
Public Health
Water Microbiology
Water Quality
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Summary:Freshwater samples (n = 199) were obtained from 41 sites with contrasting land‐uses (avian, low impact, dairy, urban, sheep and beef, and mixed sheep, beef and dairy) and the E. coli phylotype of 3980 isolates (20 per water sample enrichment) was determined. Eight phylotypes were identified with B1 (48.04%), B2 (14.87%) and A (14.79%) the most abundant. Escherichia marmotae (n = 22), and Escherichia ruysiae (n = 1), were rare (0.68%) suggesting that these environmental strains are unlikely to confound water quality assessments. Phylotypes A and B1 were overrepresented in dairy and urban sites (p 
ISSN:1758-2229
1758-2229
DOI:10.1111/1758-2229.13319