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美国德克萨斯州休斯顿市儿科人群中A组流行性猩红热菌株的鉴定。

Identification of epidemic scarlet fever group A strains in the paediatric population of Houston, TX, USA.

作者信息

Cubria M Belen, Delgado Jose, Shah Brittany J, Sanson Misu A, Flores Anthony R

机构信息

Division of Infectious Diseases, Department of Pediatrics, McGovern Medical School at the University of Texas Health Sciences Center at Houston, Houston, Texas, USA.

Center for Antimicrobial Resistance and Microbial Genomics, McGovern Medical School at the University of Texas Health Sciences Center at Houston, Houston, Texas, USA.

出版信息

Access Microbiol. 2021 Oct 26;3(10):000274. doi: 10.1099/acmi.0.000274. eCollection 2021.

DOI:10.1099/acmi.0.000274
PMID:34816093
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8604173/
Abstract

Scarlet fever (SF) has recently been associated with group A streptococcal (GAS) strains possessing multidrug resistance and specific streptococcal exotoxins. We screened a local surveillance collection of GAS strains in Houston, TX, USA for antimicrobial resistance and identified a single isolate matching the antimicrobial resistance pattern previously reported for SF clones. Using whole-genome sequencing and combining genome sequence data derived from national surveillance databases, we identified additional GAS clones similar to those associated with prior SF outbreaks, emphasizing the need for continued surveillance for epidemic emergence in the USA.

摘要

猩红热（SF）最近与具有多重耐药性和特定链球菌外毒素的A组链球菌（GAS）菌株有关。我们在美国得克萨斯州休斯顿对当地监测收集的GAS菌株进行了抗菌药物耐药性筛查，发现了一株与先前报道的SF克隆株抗菌药物耐药模式相匹配的分离株。通过全基因组测序并结合来自国家监测数据库的基因组序列数据，我们鉴定出了其他与先前SF疫情相关的GAS克隆株，强调了在美国持续监测疫情出现情况的必要性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bc08/8604173/b135edc1829e/acmi-3-0274-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bc08/8604173/b03a6eb6b40b/acmi-3-0274-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bc08/8604173/b135edc1829e/acmi-3-0274-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bc08/8604173/b03a6eb6b40b/acmi-3-0274-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bc08/8604173/b135edc1829e/acmi-3-0274-g002.jpg

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Genomic Surveillance of Strains Causing Invasive Disease, United States, 2016-2017.2016 - 2017年美国侵袭性疾病致病菌株的基因组监测
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Capsule-Negative emm Types Are an Increasing Cause of Pediatric Group A Streptococcal Infections at a Large Pediatric Hospital in Texas.胶囊阴性emm 型是德克萨斯州一家大型儿科医院儿科 A 组链球菌感染不断增加的原因。
J Pediatric Infect Dis Soc. 2019 Jul 1;8(3):244-250. doi: 10.1093/jpids/piy053.
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Scarlet Fever Epidemic in China Caused by Streptococcus pyogenes Serotype M12: Epidemiologic and Molecular Analysis.中国 M12 型链球菌致猩红热流行：流行病学和分子分析。
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