Drivers and dynamics of antimicrobial resistance and Salmonella in Brazilian pig and poultry production
巴西生猪和家禽生产中抗生素耐药性和沙门氏菌的驱动因素和动态
基本信息
- 批准号:BB/S018913/1
- 负责人:
- 金额:$ 40.13万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2019
- 资助国家:英国
- 起止时间:2019 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Antimicrobial resistance (AMR) of bacteria found in livestock represent a grave threat to the health of both animals and humans; resistant infections in livestock also have a significant economic impact. Salmonella enterica is one of the most important bacterial pathogens in pigs and poultry, which are thought to be two of the major reservoirs for human infections. Brazil is one of the world's largest producers and exporters of pig and chicken meat, and these industries are significant contributors to the country's economy. Change in these production systems over the last 10-15 years, including massive intensification and introduction of a Salmonella Enteritidis vaccine in poultry, have led to dramatic shifts in the Salmonella serotype prevalence observed from pigs and poultry in Brazil. These shifts are probably driven by antimicrobial use and resistance, but this issue has not been fully investigated.The research outlined in our proposal builds on our one-year pump-priming grant investigating the diversity and evolution of AMR determinants in Salmonella isolated from Brazilian pigs and poultry over the last 10 years. In the course of our work, we will dramatically increase the number of available Salmonella genome sequences from Brazilian livestock; by doing so, we can identify where they fit in the global context and identify when specific subtypes emerged in Brazil. We will also look at the genetic determinants, such as AMR, facilitating the persistence of Salmonella through the food chain. By investigating the changes in AMR and serotype over the life course of livestock animals, we will help inform potential vaccine strategies. Finally, by examining AMR in the gut co-resident non-pathogenic bacteria in livestock and correlating total resistance with antimicrobial usage, we will ascertain their potential role as a reservoir of AMR genes for pathogenic bacteria such as Salmonella, as AMR genes can move between bacteria through horizontal gene transfer. We will achieve these aims using whole genome sequencing, state-of-the-art long read sequencing, combined with molecular biology and epidemiology. This proposal exploits the effective and productive collaboration between Dr Alison Mather and Dr Justin O'Grady at Quadram Institute Bioscience (QIB) in the UK, and Dr Andrea Moreno, Dr Terezinha Knöbl and Dr Luisa Moreno at the University of São Paulo (USP), along with collaborators Dr Emma Doughty at QIB and Dr Liljana Petrovska at the Animal and Plant Health Agency. Antimicrobial consumption in livestock is expected to nearly double in Brazil by 2030; this research will tackle the huge health and economic threat posed by AMR to Brazilian livestock species, which will help identify where suitable control strategies could be applied most effectively.
在家畜中发现的细菌的抗菌素耐药性(AMR)对动物和人类的健康构成严重威胁;家畜中的耐药性感染也具有显著的经济影响。肠道沙门氏菌是猪和家禽中最重要的细菌病原体之一,猪和家禽被认为是人类感染的两个主要宿主。巴西是世界上最大的猪肉和鸡肉生产国和出口国之一,这些行业对该国经济做出了重大贡献。在过去10-15年中,这些生产系统的变化,包括大规模强化和在家禽中引入沙门氏菌肠炎疫苗,导致巴西猪和家禽中观察到的沙门氏菌血清型流行率发生了巨大变化。这些变化可能是由抗菌药物的使用和耐药性驱动的,但这个问题还没有得到充分的调查。我们的提案中概述的研究建立在我们为期一年的泵启动补助金的基础上,该补助金调查了过去10年来从巴西猪和家禽中分离出的沙门氏菌中AMR决定因素的多样性和演变。在我们的工作过程中,我们将大大增加巴西牲畜中可用的沙门氏菌基因组序列的数量;通过这样做,我们可以确定它们在全球范围内的位置,并确定巴西何时出现特定亚型。我们还将研究遗传决定因素,如AMR,促进沙门氏菌在食物链中的持久性。通过调查家畜动物生命过程中AMR和血清型的变化,我们将有助于为潜在的疫苗策略提供信息。最后,通过检查家畜肠道中共存的非致病性细菌中的AMR,并将总耐药性与抗菌药物的使用相关联,我们将确定它们作为沙门氏菌等致病性细菌的AMR基因库的潜在作用,因为AMR基因可以通过水平基因转移在细菌之间移动。我们将使用全基因组测序、最先进的长读段测序,结合分子生物学和流行病学来实现这些目标。该提案利用了英国Quadram生物科学研究所(QIB)的Alison Mather博士和Justin O 'Grady博士,圣保罗大学(USP)的Andrea Moreno博士,Terezinha Knöbl博士和Luisa Moreno博士沿着QIB的Emma Doughty博士和动植物卫生署的Liljana Petrovska博士之间的有效和富有成效的合作。预计到2030年,巴西牲畜的抗菌剂消费量将增加近一倍;这项研究将解决AMR对巴西牲畜物种构成的巨大健康和经济威胁,这将有助于确定最有效地应用合适的控制策略的地方。
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Characterization of Salmonella enterica Contamination in Pork and Poultry Meat from São Paulo/Brazil: Serotypes, Genotypes and Antimicrobial Resistance Profiles.
- DOI:10.3390/pathogens11030358
- 发表时间:2022-03-16
- 期刊:
- 影响因子:0
- 作者:Gomes VTM;Moreno LZ;Silva APS;Thakur S;La Ragione RM;Mather AE;Moreno AM
- 通讯作者:Moreno AM
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Alison Mather其他文献
Alison Mather的其他文献
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{{ truncateString('Alison Mather', 18)}}的其他基金
MEtaGenome-informed Antimicrobial resistance Surveillance: Harnessing long-read sequencing for an analytical, indicator and risk assessment framework
基于 MEtaGenome 的抗菌药物耐药性监测:利用长读长测序构建分析、指标和风险评估框架
- 批准号:
MR/Y034457/1 - 财政年份:2024
- 资助金额:
$ 40.13万 - 项目类别:
Research Grant
Canada IPAP: Evolutionary dynamics of antimicrobial resistance in human impacted soils: does the genie go back into the bottle?
加拿大 IPAP:受人类影响的土壤中抗菌素耐药性的进化动态:精灵会回到瓶子里吗?
- 批准号:
BB/X012719/1 - 财政年份:2023
- 资助金额:
$ 40.13万 - 项目类别:
Research Grant
Brazil Partnering Award: "Microbial genomics approaches to improve farm animal health and food safety"
巴西合作奖:“改善农场动物健康和食品安全的微生物基因组学方法”
- 批准号:
BB/W018713/1 - 财政年份:2022
- 资助金额:
$ 40.13万 - 项目类别:
Research Grant
Canada Partnering Award: "Development of Genomic Approaches to Antimicrobial Resistance in a One Health Framework"
加拿大合作奖:“在一个健康框架内开发抗微生物药物耐药性的基因组方法”
- 批准号:
BB/T020199/1 - 财政年份:2022
- 资助金额:
$ 40.13万 - 项目类别:
Research Grant
New Zealand Partnering Award: "One Health Genomic Epidemiology of Zoonotic Pathogens"
新西兰合作奖:“人畜共患病原体的同一个健康基因组流行病学”
- 批准号:
BB/V018221/1 - 财政年份:2022
- 资助金额:
$ 40.13万 - 项目类别:
Research Grant
Europe Partnering Award - "One Health Genomic and Metagenomic Approaches to Campylobacter and Food Safety"
欧洲合作奖 - “弯曲杆菌和食品安全的统一健康基因组和宏基因组方法”
- 批准号:
BB/V01823X/1 - 财政年份:2022
- 资助金额:
$ 40.13万 - 项目类别:
Research Grant
Antimicrobial resistance in Brazilian pig and poultry production and its contribution to the success of Salmonella serotypes
巴西猪和家禽生产中的抗生素耐药性及其对沙门氏菌血清型成功的贡献
- 批准号:
BB/R022682/1 - 财政年份:2018
- 资助金额:
$ 40.13万 - 项目类别:
Research Grant
The devil we know? Using sequencing and metagenomics to assess the diversity of bacteria and antimicrobial resistance captured by passive surveillance
我们认识的恶魔?
- 批准号:
BB/M014088/1 - 财政年份:2015
- 资助金额:
$ 40.13万 - 项目类别:
Fellowship
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