AI Article Synopsis
- Researchers analyzed genomic and epidemiological data to compare the population structure of a foodborne pathogen in Australia and New Zealand, two countries with strong trade and cultural connections.
- The study found significant differences in the most common sequence types (STs) between the countries, with many STs being unique to each one, and over half of the STs represented by only a single isolate.
- Multidrug-resistant genotypes were rare (0.8%) and not found in poultry, but a specific resistant strain was prevalent in New Zealand, highlighting the local origins of the pathogen and minimal genetic overlap between human and poultry strains in both countries.*
Article Abstract
We used genomic and epidemiological data to assess and compare the population structure and origins of a major foodborne pathogen, in two neighbouring countries with strong trade and cultural links, similar poultry production systems and frequent movement of people and food products. The most common sequence types (STs) differed between Australia and New Zealand, with many unique to each country. Over half of all STs were represented by a single isolate. Multidrug-resistant (MDR) genotypes were detected in 0.8% of all samples, with no MDR isolates detected in poultry. Quinolone and tetracycline resistant ST6964 was prevalent in New Zealand (10.6% of ). Closely related isolates suggested some similar food sources or contacts. We have shown that there is little genetic overlap in human and poultry STs of between the countries, which highlights that this common foodborne pathogen has domestic origins in Australia and New Zealand.
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| http://dx.doi.org/10.1099/mgen.0.001319 | DOI Listing |
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