Genomic diversity of Campylobacter jejuni and Campylobacter coli isolates recovered from human and poultry in Australia and New Zealand, 2017 to 2019.

IF 4 2区生物学 Q1 GENETICS & HEREDITY

Microbial Genomics Pub Date : 2024-11-01 DOI:10.1099/mgen.0.001319

Danielle M Cribb, Patrick J Biggs, Angus T McLure, Rhiannon L Wallace, Nigel P French, Kathryn Glass, Martyn D Kirk

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Abstract

We used genomic and epidemiological data to assess and compare the population structure and origins of Campylobacter, 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 C. jejuni). 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 Campylobacter between the countries, which highlights that this common foodborne pathogen has domestic origins in Australia and New Zealand.

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2017 年至 2019 年澳大利亚和新西兰从人类和家禽中检出的空肠弯曲菌和大肠弯曲菌分离物的基因组多样性。

我们利用基因组学和流行病学数据评估并比较了两个贸易和文化联系密切、家禽生产系统相似、人员和食品流动频繁的邻国的弯曲杆菌（一种主要食源性病原体）的种群结构和起源。澳大利亚和新西兰最常见的序列类型（ST）各不相同，其中有许多是两国独有的。在所有 STs 中，一半以上只代表一个分离物。在所有样本中，0.8% 的样本检测到耐多药（MDR）基因型，家禽中未检测到耐多药分离株。对奎诺酮和四环素耐药的 ST6964 在新西兰很普遍（占空肠大肠杆菌的 10.6%）。密切相关的分离物表明，它们有一些相似的食物来源或接触者。我们的研究表明，在澳大利亚和新西兰，人类和家禽的弯曲杆菌 ST 基因几乎没有重叠，这突出表明这种常见的食源性病原体起源于澳大利亚和新西兰国内。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Microbial Genomics Medicine-Epidemiology

CiteScore

6.60

自引率

2.60%

发文量

153

审稿时长

12 weeks

期刊介绍： Microbial Genomics (MGen) is a fully open access, mandatory open data and peer-reviewed journal publishing high-profile original research on archaea, bacteria, microbial eukaryotes and viruses.