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Tamura A, Azam AH, Nakamura T, Lee K, Iyoda S, Kondo K, Ojima S, Chihara K, Yamashita W, Cui L, Akeda Y, Watashi K, Takahashi Y, Yotsuyanagi H, Kiga K. Synthetic phage-based approach for sensitive and specific detection of Escherichia coli O157. Commun Biol 2024; 7:535. [PMID: 38710842 DOI: 10.1038/s42003-024-06247-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 04/25/2024] [Indexed: 05/08/2024] Open
Abstract
Escherichia coli O157 can cause foodborne outbreaks, with infection leading to severe disease such as hemolytic-uremic syndrome. Although phage-based detection methods for E. coli O157 are being explored, research on their specificity with clinical isolates is lacking. Here, we describe an in vitro assembly-based synthesis of vB_Eco4M-7, an O157 antigen-specific phage with a 68-kb genome, and its use as a proof of concept for E. coli O157 detection. Linking the detection tag to the C-terminus of the tail fiber protein, gp27 produces the greatest detection sensitivity of the 20 insertions sites tested. The constructed phage detects all 53 diverse clinical isolates of E. coli O157, clearly distinguishing them from 35 clinical isolates of non-O157 Shiga toxin-producing E. coli. Our efficient phage synthesis methods can be applied to other pathogenic bacteria for a variety of applications, including phage-based detection and phage therapy.
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Affiliation(s)
- Azumi Tamura
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
- Division of Infectious Diseases, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan
| | - Aa Haeruman Azam
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Tomohiro Nakamura
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Kenichi Lee
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Sunao Iyoda
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Kohei Kondo
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Shinjiro Ojima
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Kotaro Chihara
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Wakana Yamashita
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
- Department of Life Science and Medical Bioscience, Waseda University, Shinjuku-ku, Tokyo, Japan
| | - Longzhu Cui
- Division of Bacteriology, Department of Infection and Immunity, School of Medicine, Jichi Medical University, Shimotsuke-shi, Tochigi, Japan
| | - Yukihiro Akeda
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Koichi Watashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Yoshimasa Takahashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
- Department of Life Science and Medical Bioscience, Waseda University, Shinjuku-ku, Tokyo, Japan
| | - Hiroshi Yotsuyanagi
- Division of Infectious Diseases, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan
| | - Kotaro Kiga
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan.
- Division of Bacteriology, Department of Infection and Immunity, School of Medicine, Jichi Medical University, Shimotsuke-shi, Tochigi, Japan.
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Kubomura A, Lee K, Ohnishi M, Iyoda S, Akeda Y, Working Group E. Complete genome sequence of eight LEE-negative Shiga toxin-producing Escherichia coli strains isolated from patients with hemolytic-uremic syndrome. Microbiol Resour Announc 2024; 13:e0059123. [PMID: 38117079 DOI: 10.1128/mra.00591-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 11/27/2023] [Indexed: 12/21/2023] Open
Abstract
Major serotypes of Shiga toxin-producing Escherichia coli (STEC) carry a locus of enterocyte effacement (LEE), which is required for attaching and effacing lesion formation. Genome information of LEE-negative STEC is scarce despite their virulence potential. We present the complete genome sequences of eight LEE-negative STEC isolates from hemolytic-uremic syndrome patients.
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Affiliation(s)
- Akiko Kubomura
- Department of Bacteriology I, National Institute of Infectious Diseases , Shinjuku, Japan
| | - Kenichi Lee
- Department of Bacteriology I, National Institute of Infectious Diseases , Shinjuku, Japan
| | - Makoto Ohnishi
- Department of Bacteriology I, National Institute of Infectious Diseases , Shinjuku, Japan
| | - Sunao Iyoda
- Department of Bacteriology I, National Institute of Infectious Diseases , Shinjuku, Japan
| | - Yukihiro Akeda
- Department of Bacteriology I, National Institute of Infectious Diseases , Shinjuku, Japan
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Lee K, Iguchi A, Terano C, Hataya H, Isobe J, Seto K, Ishijima N, Akeda Y, Ohnishi M, Iyoda S. Combined usage of serodiagnosis and O antigen typing to isolate Shiga toxin-producing Escherichia coli O76:H7 from a hemolytic uremic syndrome case and genomic insights from the isolate. Microbiol Spectr 2024; 12:e0235523. [PMID: 38092668 PMCID: PMC10790564 DOI: 10.1128/spectrum.02355-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 10/12/2023] [Indexed: 01/13/2024] Open
Abstract
IMPORTANCE Hemolytic uremic syndrome (HUS) is a life-threatening disease caused by Shiga toxin-producing Escherichia coli (STEC) infection. The treatment approaches for STEC-mediated typical HUS and atypical HUS differ, underscoring the importance of rapid and accurate diagnosis. However, specific detection methods for STECs other than major serogroups, such as O157, O26, and O111, are limited. This study focuses on the utility of PCR-based O-serotyping, serum agglutination tests utilizing antibodies against the identified Og type, and isolation techniques employing antibody-conjugated immunomagnetic beads for STEC isolation. By employing these methods, we successfully isolated a STEC strain of a minor serotype, O76:H7, from a HUS patient.
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Affiliation(s)
- Kenichi Lee
- Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Atsushi Iguchi
- Department of Animal and Grassland Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Chikako Terano
- Department of Nephrology and Rheumatology, Tokyo Metropolitan Children’s Medical Center, Tokyo, Japan
- Department of Nephrology, Aichi Children’s Health and Medical Center, Aichi, Japan
| | - Hiroshi Hataya
- Department of Nephrology and Rheumatology, Tokyo Metropolitan Children’s Medical Center, Tokyo, Japan
| | - Junko Isobe
- Department of Bacteriology, Toyama Institute of Health, Imizu, Toyama, Japan
| | - Kazuko Seto
- Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Nozomi Ishijima
- Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yukihiro Akeda
- Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Makoto Ohnishi
- Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Sunao Iyoda
- Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - EHEC Working Group in JapanMorimotoYoOgawaKeikoIshiguroMakotoKikuchiMasayukiSampeiMikaAokiYokoSetoJunjiIshikawaKanakoSatoTakashiKikuchiKojiTomariKentaroUenoHiroyukiHazamaKyokoKikuchiTakashiYajimaMasayukiKanazawaSatokoKawaseMasaoKimataKeikoYuruzumeSayaShirozaMikaKitagawaEmikoYoshikawaMisaYokoyamaKojiOnoSatokoFurukawaYumiMatsuyamaMikiFurutaAyakoNodaMakikoKameyamaYoshihikoAotaTatsuakiKatamuneChiharuShimodaYukoAbeYuriTamuraSawakoFurukawaYurikaObaraAtsumi
- Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
- Department of Animal and Grassland Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
- Department of Nephrology and Rheumatology, Tokyo Metropolitan Children’s Medical Center, Tokyo, Japan
- Department of Nephrology, Aichi Children’s Health and Medical Center, Aichi, Japan
- Department of Bacteriology, Toyama Institute of Health, Imizu, Toyama, Japan
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Wu S, Cui L, Han Y, Lin F, Huang J, Song M, Lan Z, Sun S. Characteristics, Whole-Genome Sequencing and Pathogenicity Analysis of Escherichia coli from a White Feather Broiler Farm. Microorganisms 2023; 11:2939. [PMID: 38138083 PMCID: PMC10745608 DOI: 10.3390/microorganisms11122939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/24/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Avian colibacillosis, caused by avian Escherichia coli (E. coli), has historically been one of the most prevalent infectious diseases in large-scale poultry production, causing growth delays and mortality in chickens, resulting in huge economic losses. In recent years, the widespread use of antibiotics has led to the emergence of multidrug resistance in E. coli as a significant global problem and long-term challenge. Resistant E. coli can be transmitted to humans through animal products or the environment, which presents significant public health concerns and food safety issues. In this study, we analyzed the features of 135 E. coli strains obtained from a white feather broiler farm in Shandong, China, including antimicrobial susceptibility tests, detection of class 1 integrons, drug resistance genes, virulence genes, and phylogenetic subgroups. It is particularly worrying that all 135 E. coli strains were resistant to at least five antibiotic agents, and 100% of them were multidrug-resistant (MDR). Notably, the resistance genes of blaTEM, blaCTX-M, qnrS, aaC4, tetA, and tetB exhibited a high prevalence of carriage among the tested resistance genes. However, mcr-2~mcr-9 were not detected, while the prevalence of mcr-1 was found to be 2.96%. The most common virulence genes detected were EAST1 (14.07%, encoding enterotoxins) and fyuA (14.81%, encoding biofilm formation). Phylogenetic subgroup analysis revealed that E. coli belonging to groups B2 and D, which are commonly associated with high virulence, constituted 2.22% and 11.11%, respectively. The positive rate of class 1 integrons was 31.1%. Whole-genome sequencing (WGS) and animal experiments were performed on a unique isolated strain called 21EC78 with an extremely strong membrane-forming capacity. The WGS results showed that 21EC78 carried 11 drug resistance genes and 16 virulence genes. Animal experiments showed that intraperitoneal injection with 2 × 105 CFU could cause the death of one-day-old SPF chickens in 3 days. However, the mortality of Luhua chickens was comparatively lower than that of SPF chickens. This study reports the isolation of multidrug-resistant E. coli strains in poultry, which may pose a potential threat to human health via the food chain. Furthermore, the findings of this study enhance our comprehension of the frequency and characteristics of multidrug-resistant E. coli in poultry farms, emphasizing the urgent need for improved and effective continuous surveillance to control its dissemination.
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Affiliation(s)
- Shaopeng Wu
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271000, China; (S.W.); (L.C.); (Y.H.); (F.L.); (J.H.); (M.S.)
| | - Lulu Cui
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271000, China; (S.W.); (L.C.); (Y.H.); (F.L.); (J.H.); (M.S.)
| | - Yu Han
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271000, China; (S.W.); (L.C.); (Y.H.); (F.L.); (J.H.); (M.S.)
| | - Fang Lin
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271000, China; (S.W.); (L.C.); (Y.H.); (F.L.); (J.H.); (M.S.)
| | - Jiaqi Huang
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271000, China; (S.W.); (L.C.); (Y.H.); (F.L.); (J.H.); (M.S.)
| | - Mengze Song
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271000, China; (S.W.); (L.C.); (Y.H.); (F.L.); (J.H.); (M.S.)
| | - Zouran Lan
- Shandong Provincial Center for Animal Disease Control, Jinan 250000, China
| | - Shuhong Sun
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271000, China; (S.W.); (L.C.); (Y.H.); (F.L.); (J.H.); (M.S.)
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