Capsular Genotype and Lipooligosaccharide Class Associated Genomic Characterizations of Campylobacter jejuni Isolates From Food Animals in China
Campylobacter jejuni (C. jejuni) is the leading causative agent of gastroenteritis and Guillain–Barré syndrome (GBS). Capsular polysaccharide (CPS) and lipooligosaccharide (LOS) contribute to the susceptibility of campylobacteriosis, which have been concern the major evaluation indicators of C. jeju...
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Frontiers Media S.A.
2021
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oai:doaj.org-article:96fe58a01e1a4e54b43ffacbf64d2d002021-11-22T06:24:15ZCapsular Genotype and Lipooligosaccharide Class Associated Genomic Characterizations of Campylobacter jejuni Isolates From Food Animals in China1664-302X10.3389/fmicb.2021.775090https://doaj.org/article/96fe58a01e1a4e54b43ffacbf64d2d002021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fmicb.2021.775090/fullhttps://doaj.org/toc/1664-302XCampylobacter jejuni (C. jejuni) is the leading causative agent of gastroenteritis and Guillain–Barré syndrome (GBS). Capsular polysaccharide (CPS) and lipooligosaccharide (LOS) contribute to the susceptibility of campylobacteriosis, which have been concern the major evaluation indicators of C. jejuni isolates from clinical patients. As a foodborne disease, food animal plays a primary role in the infection of campylobacteriosis. To assess the pathogenic characterizations of C. jejuni isolates from various ecological origins, 1609 isolates sampled from 2005 to 2019 in China were analyzed using capsular genotyping. Strains from cattle and poultry were further characterized by LOS classification and multilocus sequence typing (MLST), compared with the isolates from human patients worldwide with enteritis and GBS. Results showed that the disease associated capsular genotypes and LOS classes over-represented in human isolates were also dominant in animal isolates, especially cattle isolates. Based on the same disease associated capsular genotype, more LOS class types were represented by food animal isolates than human disease isolates. Importantly, high-risk lineages CC-22, CC-464, and CC-21 were found dominated in human isolates with GBS worldwide, which were also represented in the food animal isolates with disease associated capsular types, suggesting a possibility of clonal spread of isolates across different regions and hosts. This is the first study providing genetic evidence for food animal isolates of particular capsular genotypes harbor similar pathogenic characteristics to human clinical isolates. Collective efforts for campylobacteriosis hazard control need to be focused on the zoonotic pathogenicity of animal isolates, along the food chain “from farm to table.”Xiaoqi ZangHongyue LvHaiyan TangXinan JiaoJinlin HuangJinlin HuangJinlin HuangFrontiers Media S.A.articleCampylobacter jejunicapsular genotypelipooligosaccharide classmultilocus sequence typingenteritis and Guillain–Barré syndromeisolates from food animalMicrobiologyQR1-502ENFrontiers in Microbiology, Vol 12 (2021) |
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Campylobacter jejuni capsular genotype lipooligosaccharide class multilocus sequence typing enteritis and Guillain–Barré syndrome isolates from food animal Microbiology QR1-502 |
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Campylobacter jejuni capsular genotype lipooligosaccharide class multilocus sequence typing enteritis and Guillain–Barré syndrome isolates from food animal Microbiology QR1-502 Xiaoqi Zang Hongyue Lv Haiyan Tang Xinan Jiao Jinlin Huang Jinlin Huang Jinlin Huang Capsular Genotype and Lipooligosaccharide Class Associated Genomic Characterizations of Campylobacter jejuni Isolates From Food Animals in China |
description |
Campylobacter jejuni (C. jejuni) is the leading causative agent of gastroenteritis and Guillain–Barré syndrome (GBS). Capsular polysaccharide (CPS) and lipooligosaccharide (LOS) contribute to the susceptibility of campylobacteriosis, which have been concern the major evaluation indicators of C. jejuni isolates from clinical patients. As a foodborne disease, food animal plays a primary role in the infection of campylobacteriosis. To assess the pathogenic characterizations of C. jejuni isolates from various ecological origins, 1609 isolates sampled from 2005 to 2019 in China were analyzed using capsular genotyping. Strains from cattle and poultry were further characterized by LOS classification and multilocus sequence typing (MLST), compared with the isolates from human patients worldwide with enteritis and GBS. Results showed that the disease associated capsular genotypes and LOS classes over-represented in human isolates were also dominant in animal isolates, especially cattle isolates. Based on the same disease associated capsular genotype, more LOS class types were represented by food animal isolates than human disease isolates. Importantly, high-risk lineages CC-22, CC-464, and CC-21 were found dominated in human isolates with GBS worldwide, which were also represented in the food animal isolates with disease associated capsular types, suggesting a possibility of clonal spread of isolates across different regions and hosts. This is the first study providing genetic evidence for food animal isolates of particular capsular genotypes harbor similar pathogenic characteristics to human clinical isolates. Collective efforts for campylobacteriosis hazard control need to be focused on the zoonotic pathogenicity of animal isolates, along the food chain “from farm to table.” |
format |
article |
author |
Xiaoqi Zang Hongyue Lv Haiyan Tang Xinan Jiao Jinlin Huang Jinlin Huang Jinlin Huang |
author_facet |
Xiaoqi Zang Hongyue Lv Haiyan Tang Xinan Jiao Jinlin Huang Jinlin Huang Jinlin Huang |
author_sort |
Xiaoqi Zang |
title |
Capsular Genotype and Lipooligosaccharide Class Associated Genomic Characterizations of Campylobacter jejuni Isolates From Food Animals in China |
title_short |
Capsular Genotype and Lipooligosaccharide Class Associated Genomic Characterizations of Campylobacter jejuni Isolates From Food Animals in China |
title_full |
Capsular Genotype and Lipooligosaccharide Class Associated Genomic Characterizations of Campylobacter jejuni Isolates From Food Animals in China |
title_fullStr |
Capsular Genotype and Lipooligosaccharide Class Associated Genomic Characterizations of Campylobacter jejuni Isolates From Food Animals in China |
title_full_unstemmed |
Capsular Genotype and Lipooligosaccharide Class Associated Genomic Characterizations of Campylobacter jejuni Isolates From Food Animals in China |
title_sort |
capsular genotype and lipooligosaccharide class associated genomic characterizations of campylobacter jejuni isolates from food animals in china |
publisher |
Frontiers Media S.A. |
publishDate |
2021 |
url |
https://doaj.org/article/96fe58a01e1a4e54b43ffacbf64d2d00 |
work_keys_str_mv |
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