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Campylobacter jejuni colonization and population structure in urban populations of ducks and starlings in New Zealand

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Campylobacter jejuni colonization and population structure in urban populations of ducks and starlings in New Zealand. / Mohan, Vathsala; Stevenson, Mark; Marshall, Jonathan; Fearnhead, Paul; Holland, Barbara R.; Hotter, Grant; French, Nigel P.

In: Microbiologyopen, Vol. 2, No. 4, 2013, p. 659-673.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Mohan, V, Stevenson, M, Marshall, J, Fearnhead, P, Holland, BR, Hotter, G & French, NP 2013, 'Campylobacter jejuni colonization and population structure in urban populations of ducks and starlings in New Zealand', Microbiologyopen, vol. 2, no. 4, pp. 659-673. https://doi.org/10.1002/mbo3.102

APA

Mohan, V., Stevenson, M., Marshall, J., Fearnhead, P., Holland, B. R., Hotter, G., & French, N. P. (2013). Campylobacter jejuni colonization and population structure in urban populations of ducks and starlings in New Zealand. Microbiologyopen, 2(4), 659-673. https://doi.org/10.1002/mbo3.102

Vancouver

Author

Mohan, Vathsala ; Stevenson, Mark ; Marshall, Jonathan ; Fearnhead, Paul ; Holland, Barbara R. ; Hotter, Grant ; French, Nigel P. / Campylobacter jejuni colonization and population structure in urban populations of ducks and starlings in New Zealand. In: Microbiologyopen. 2013 ; Vol. 2, No. 4. pp. 659-673.

Bibtex

@article{c67afac07444400b96d15edfccc5ae3f,
title = "Campylobacter jejuni colonization and population structure in urban populations of ducks and starlings in New Zealand",
abstract = "A repeated cross‐sectional study was conducted to determine the prevalence of Campylobacter spp. and the population structure of C. jejuni in European starlings and ducks cohabiting multiple public access sites in an urban area of New Zealand. The country's geographical isolation and relatively recent history of introduction of wild bird species, including the European starling and mallard duck, create an ideal setting to explore the impact of geographical separation on the population biology of C. jejuni, as well as potential public health implications. A total of 716 starling and 720 duck fecal samples were collected and screened for C. jejuni over a 12 month period. This study combined molecular genotyping, population genetics and epidemiological modeling and revealed: (i) higher Campylobacter spp. isolation in starlings (46%) compared with ducks (30%), but similar isolation of C. jejuni in ducks (23%) and starlings (21%), (ii) significant associations between the isolation of Campylobacter spp. and host species, sampling location and time of year using logistic regression, (iii) evidence of population differentiation, as indicated by FST, and host‐genotype association with clonal complexes CC ST‐177 and CC ST‐682 associated with starlings, and clonal complexes CC ST‐1034, CC ST‐692, and CC ST‐1332 associated with ducks, and (iv) greater genetic diversity and genotype richness in ducks compared with starlings. These findings provide evidence that host‐associated genotypes, such as the starling‐associated ST‐177 and ST‐682, represent lineages that were introduced with the host species in the 19th century. The isolation of sequence types associated with human disease in New Zealand indicate that wild ducks and starlings need to be considered as a potential public health risk, particularly in urban areas.",
keywords = "Campylobacter jejuni, colonization, ducks, population structure, starlings",
author = "Vathsala Mohan and Mark Stevenson and Jonathan Marshall and Paul Fearnhead and Holland, {Barbara R.} and Grant Hotter and French, {Nigel P.}",
year = "2013",
doi = "10.1002/mbo3.102",
language = "English",
volume = "2",
pages = "659--673",
journal = "Microbiologyopen",
number = "4",

}

RIS

TY - JOUR

T1 - Campylobacter jejuni colonization and population structure in urban populations of ducks and starlings in New Zealand

AU - Mohan, Vathsala

AU - Stevenson, Mark

AU - Marshall, Jonathan

AU - Fearnhead, Paul

AU - Holland, Barbara R.

AU - Hotter, Grant

AU - French, Nigel P.

PY - 2013

Y1 - 2013

N2 - A repeated cross‐sectional study was conducted to determine the prevalence of Campylobacter spp. and the population structure of C. jejuni in European starlings and ducks cohabiting multiple public access sites in an urban area of New Zealand. The country's geographical isolation and relatively recent history of introduction of wild bird species, including the European starling and mallard duck, create an ideal setting to explore the impact of geographical separation on the population biology of C. jejuni, as well as potential public health implications. A total of 716 starling and 720 duck fecal samples were collected and screened for C. jejuni over a 12 month period. This study combined molecular genotyping, population genetics and epidemiological modeling and revealed: (i) higher Campylobacter spp. isolation in starlings (46%) compared with ducks (30%), but similar isolation of C. jejuni in ducks (23%) and starlings (21%), (ii) significant associations between the isolation of Campylobacter spp. and host species, sampling location and time of year using logistic regression, (iii) evidence of population differentiation, as indicated by FST, and host‐genotype association with clonal complexes CC ST‐177 and CC ST‐682 associated with starlings, and clonal complexes CC ST‐1034, CC ST‐692, and CC ST‐1332 associated with ducks, and (iv) greater genetic diversity and genotype richness in ducks compared with starlings. These findings provide evidence that host‐associated genotypes, such as the starling‐associated ST‐177 and ST‐682, represent lineages that were introduced with the host species in the 19th century. The isolation of sequence types associated with human disease in New Zealand indicate that wild ducks and starlings need to be considered as a potential public health risk, particularly in urban areas.

AB - A repeated cross‐sectional study was conducted to determine the prevalence of Campylobacter spp. and the population structure of C. jejuni in European starlings and ducks cohabiting multiple public access sites in an urban area of New Zealand. The country's geographical isolation and relatively recent history of introduction of wild bird species, including the European starling and mallard duck, create an ideal setting to explore the impact of geographical separation on the population biology of C. jejuni, as well as potential public health implications. A total of 716 starling and 720 duck fecal samples were collected and screened for C. jejuni over a 12 month period. This study combined molecular genotyping, population genetics and epidemiological modeling and revealed: (i) higher Campylobacter spp. isolation in starlings (46%) compared with ducks (30%), but similar isolation of C. jejuni in ducks (23%) and starlings (21%), (ii) significant associations between the isolation of Campylobacter spp. and host species, sampling location and time of year using logistic regression, (iii) evidence of population differentiation, as indicated by FST, and host‐genotype association with clonal complexes CC ST‐177 and CC ST‐682 associated with starlings, and clonal complexes CC ST‐1034, CC ST‐692, and CC ST‐1332 associated with ducks, and (iv) greater genetic diversity and genotype richness in ducks compared with starlings. These findings provide evidence that host‐associated genotypes, such as the starling‐associated ST‐177 and ST‐682, represent lineages that were introduced with the host species in the 19th century. The isolation of sequence types associated with human disease in New Zealand indicate that wild ducks and starlings need to be considered as a potential public health risk, particularly in urban areas.

KW - Campylobacter jejuni

KW - colonization

KW - ducks

KW - population structure

KW - starlings

U2 - 10.1002/mbo3.102

DO - 10.1002/mbo3.102

M3 - Journal article

VL - 2

SP - 659

EP - 673

JO - Microbiologyopen

JF - Microbiologyopen

IS - 4

ER -