O-Serogroups and Pathovirotypes of <i>Escherichia coli</i> Isolated from Post-Weaning Piglets Showing Diarrhoea and/or Oedema in South Korea
This study aimed to determine the prevalence of several pathovirotypes and evaluate the association of haemolysis with the virotypes of pathogenic <i>E. coli</i> isolated from post-weaning piglets in South Korea from 2015 to 2019. We isolated 890 <i>E. coli</i> and tested for...
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MDPI AG
2021-12-01
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| Series: | Veterinary Sciences |
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| Online Access: | https://www.mdpi.com/2306-7381/9/1/1 |
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| author | Jae-Won Byun Bo-Youn Moon Kyung-Hyo Do Kichan Lee Hae-Yeong Lee Won-Il Kim ByungJae So Wan-Kyu Lee |
| author_facet | Jae-Won Byun Bo-Youn Moon Kyung-Hyo Do Kichan Lee Hae-Yeong Lee Won-Il Kim ByungJae So Wan-Kyu Lee |
| author_sort | Jae-Won Byun |
| collection | DOAJ |
| description | This study aimed to determine the prevalence of several pathovirotypes and evaluate the association of haemolysis with the virotypes of pathogenic <i>E. coli</i> isolated from post-weaning piglets in South Korea from 2015 to 2019. We isolated 890 <i>E. coli</i> and tested for O-serogroups, virulence genes, haemolysis, and multilocus sequence typing. The predominant virotypes were STb:EAST1:AIDA-I, F18b:Stx2e:AIDA-I, F18:STa:STb:Stx2e, and eae:Paa in enterotoxigenic <i>E. coli</i> (ETEC), Shiga toxin-producing <i>E. coli</i> (STEC), ETEC/STEC, and enteropathogenic <i>E. coli</i> (EPEC), respectively. Regarding serogroups, O139, O149, O141, and O121 were mostly detected in F18:Stx2e:AIDA-I, F4:LT:STb:EAST1, F18:STa:STb, and F18:Stx2e:EAST1, respectively. There was a significant change in the frequency of the O141:F18ac:STa:STb (an increase from 1.6% to 10.1%) and O139:F18ab:Stx2e:AIDA-I (a decrease from 13.0% to 5.3%) virotypes in ETEC and STEC, respectively, from 2015 to 2019. The O141:F18ac:STa:STb virotype was mostly detected in the central area and was spreading to the southern area. The odds ratios between haemolysis and virotypes were 11.0, 6.25, and 8.57 in F18:STa:STb, F18:Stx2e:AIDA-I, and F4:LT:STb:EAST1, respectively. Our findings provide insights regarding the recent prevalence of pathogenic <i>E. coli</i> in South Korea and could be used for the development of vaccines for <i>E. coli</i> responsible for PWD and ED in post-weaning piglets. |
| first_indexed | 2024-04-12T22:45:34Z |
| format | Article |
| id | doaj.art-195d7752086f4a26add5a98355e68082 |
| institution | Directory Open Access Journal |
| issn | 2306-7381 |
| language | English |
| last_indexed | 2024-04-12T22:45:34Z |
| publishDate | 2021-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Veterinary Sciences |
| spelling | doaj.art-195d7752086f4a26add5a98355e680822022-12-22T03:13:31ZengMDPI AGVeterinary Sciences2306-73812021-12-0191110.3390/vetsci9010001O-Serogroups and Pathovirotypes of <i>Escherichia coli</i> Isolated from Post-Weaning Piglets Showing Diarrhoea and/or Oedema in South KoreaJae-Won Byun0Bo-Youn Moon1Kyung-Hyo Do2Kichan Lee3Hae-Yeong Lee4Won-Il Kim5ByungJae So6Wan-Kyu Lee7Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, Gimcheon 39660, KoreaAnimal Disease Diagnostic Division, Animal and Plant Quarantine Agency, Gimcheon 39660, KoreaCollege of Veterinary Medicine, Chungbuk National University, Cheongju 28644, KoreaAnimal Disease Diagnostic Division, Animal and Plant Quarantine Agency, Gimcheon 39660, KoreaOptipharm Inc., Cheongju 28158, KoreaCollege of Veterinary Medicine, Chonbuk National University, Iksan 54596, KoreaAnimal Disease Diagnostic Division, Animal and Plant Quarantine Agency, Gimcheon 39660, KoreaCollege of Veterinary Medicine, Chungbuk National University, Cheongju 28644, KoreaThis study aimed to determine the prevalence of several pathovirotypes and evaluate the association of haemolysis with the virotypes of pathogenic <i>E. coli</i> isolated from post-weaning piglets in South Korea from 2015 to 2019. We isolated 890 <i>E. coli</i> and tested for O-serogroups, virulence genes, haemolysis, and multilocus sequence typing. The predominant virotypes were STb:EAST1:AIDA-I, F18b:Stx2e:AIDA-I, F18:STa:STb:Stx2e, and eae:Paa in enterotoxigenic <i>E. coli</i> (ETEC), Shiga toxin-producing <i>E. coli</i> (STEC), ETEC/STEC, and enteropathogenic <i>E. coli</i> (EPEC), respectively. Regarding serogroups, O139, O149, O141, and O121 were mostly detected in F18:Stx2e:AIDA-I, F4:LT:STb:EAST1, F18:STa:STb, and F18:Stx2e:EAST1, respectively. There was a significant change in the frequency of the O141:F18ac:STa:STb (an increase from 1.6% to 10.1%) and O139:F18ab:Stx2e:AIDA-I (a decrease from 13.0% to 5.3%) virotypes in ETEC and STEC, respectively, from 2015 to 2019. The O141:F18ac:STa:STb virotype was mostly detected in the central area and was spreading to the southern area. The odds ratios between haemolysis and virotypes were 11.0, 6.25, and 8.57 in F18:STa:STb, F18:Stx2e:AIDA-I, and F4:LT:STb:EAST1, respectively. Our findings provide insights regarding the recent prevalence of pathogenic <i>E. coli</i> in South Korea and could be used for the development of vaccines for <i>E. coli</i> responsible for PWD and ED in post-weaning piglets.https://www.mdpi.com/2306-7381/9/1/1pathotype<i>Escherichia coli</i>O-serogrouppathovirotypepost-weaning diarrhoea and oedemapiglets |
| spellingShingle | Jae-Won Byun Bo-Youn Moon Kyung-Hyo Do Kichan Lee Hae-Yeong Lee Won-Il Kim ByungJae So Wan-Kyu Lee O-Serogroups and Pathovirotypes of <i>Escherichia coli</i> Isolated from Post-Weaning Piglets Showing Diarrhoea and/or Oedema in South Korea Veterinary Sciences pathotype <i>Escherichia coli</i> O-serogroup pathovirotype post-weaning diarrhoea and oedema piglets |
| title | O-Serogroups and Pathovirotypes of <i>Escherichia coli</i> Isolated from Post-Weaning Piglets Showing Diarrhoea and/or Oedema in South Korea |
| title_full | O-Serogroups and Pathovirotypes of <i>Escherichia coli</i> Isolated from Post-Weaning Piglets Showing Diarrhoea and/or Oedema in South Korea |
| title_fullStr | O-Serogroups and Pathovirotypes of <i>Escherichia coli</i> Isolated from Post-Weaning Piglets Showing Diarrhoea and/or Oedema in South Korea |
| title_full_unstemmed | O-Serogroups and Pathovirotypes of <i>Escherichia coli</i> Isolated from Post-Weaning Piglets Showing Diarrhoea and/or Oedema in South Korea |
| title_short | O-Serogroups and Pathovirotypes of <i>Escherichia coli</i> Isolated from Post-Weaning Piglets Showing Diarrhoea and/or Oedema in South Korea |
| title_sort | o serogroups and pathovirotypes of i escherichia coli i isolated from post weaning piglets showing diarrhoea and or oedema in south korea |
| topic | pathotype <i>Escherichia coli</i> O-serogroup pathovirotype post-weaning diarrhoea and oedema piglets |
| url | https://www.mdpi.com/2306-7381/9/1/1 |
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