Next-Generation Sequencing of the Whole Bacterial Genome for Tracking Molecular Insight into the Broad-Spectrum Antimicrobial Resistance of <i>Helicobacter pylori</i> Clinical Isolates from the Democratic Republic of Congo

Antimicrobial susceptibility testing (AST) is increasingly needed to guide the <i>Helicobacter pylori</i> (<i>H. pylori</i>) treatment but remains laborious and unavailable in most African countries. To assess the clinical relevance of bacterial whole genome sequencing (WGS)-...

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Main Authors: Evariste Tshibangu-Kabamba, Patrick de Jesus Ngoma-Kisoko, Vo Phuoc Tuan, Takashi Matsumoto, Junko Akada, Yasutoshi Kido, Antoine Tshimpi-Wola, Pascal Tshiamala-Kashala, Steve Ahuka-Mundeke, Dieudonné Mumba Ngoy, Ghislain Disashi-Tumba, Yoshio Yamaoka
Format: Article
Language:English
Published: MDPI AG 2020-06-01
Series:Microorganisms
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Online Access:https://www.mdpi.com/2076-2607/8/6/887
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author Evariste Tshibangu-Kabamba
Patrick de Jesus Ngoma-Kisoko
Vo Phuoc Tuan
Takashi Matsumoto
Junko Akada
Yasutoshi Kido
Antoine Tshimpi-Wola
Pascal Tshiamala-Kashala
Steve Ahuka-Mundeke
Dieudonné Mumba Ngoy
Ghislain Disashi-Tumba
Yoshio Yamaoka
author_facet Evariste Tshibangu-Kabamba
Patrick de Jesus Ngoma-Kisoko
Vo Phuoc Tuan
Takashi Matsumoto
Junko Akada
Yasutoshi Kido
Antoine Tshimpi-Wola
Pascal Tshiamala-Kashala
Steve Ahuka-Mundeke
Dieudonné Mumba Ngoy
Ghislain Disashi-Tumba
Yoshio Yamaoka
author_sort Evariste Tshibangu-Kabamba
collection DOAJ
description Antimicrobial susceptibility testing (AST) is increasingly needed to guide the <i>Helicobacter pylori</i> (<i>H. pylori</i>) treatment but remains laborious and unavailable in most African countries. To assess the clinical relevance of bacterial whole genome sequencing (WGS)-based methods for predicting drug susceptibility in African <i>H. pylori</i>, 102 strains isolated from the Democratic Republic of Congo were subjected to the phenotypic AST and next-generation sequencing (NGS). WGS was used to screen for the occurrence of genotypes encoding antimicrobial resistance (AMR). We noted the broad-spectrum AMR of <i>H. pylori</i> (rates from 23.5 to 90.0%). A WGS-based method validated for variant discovery in AMR-related genes (discovery rates of 100%) helped in identifying mutations of key genes statistically related to the phenotypic AMR. These included mutations often reported in Western and Asian populations and, interestingly, several putative AMR-related new genotypes in the <i>pbp1A</i> (e.g., T558S, F366L), <i>gyrA</i> (e.g., A92T, A129T), <i>gyrB</i> (e.g., R579C), and <i>rdxA</i> (e.g., R131_K166del) genes. WGS showed high performance for predicting AST phenotypes, especially for amoxicillin, clarithromycin, and levofloxacin (Youden’s index and Cohen’s Kappa > 0.80). Therefore, WGS is an accurate alternative to the phenotypic AST that provides substantial decision-making information for public health policy makers and clinicians in Africa, while providing insight into AMR mechanisms for researchers.
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spelling doaj.art-90b862e3f59c4daaac53441f9c9d58e32023-11-20T03:31:59ZengMDPI AGMicroorganisms2076-26072020-06-018688710.3390/microorganisms8060887Next-Generation Sequencing of the Whole Bacterial Genome for Tracking Molecular Insight into the Broad-Spectrum Antimicrobial Resistance of <i>Helicobacter pylori</i> Clinical Isolates from the Democratic Republic of CongoEvariste Tshibangu-Kabamba0Patrick de Jesus Ngoma-Kisoko1Vo Phuoc Tuan2Takashi Matsumoto3Junko Akada4Yasutoshi Kido5Antoine Tshimpi-Wola6Pascal Tshiamala-Kashala7Steve Ahuka-Mundeke8Dieudonné Mumba Ngoy9Ghislain Disashi-Tumba10Yoshio Yamaoka11Department of Environmental and Preventive Medicine, Faculty of Medicine, Oita University, Oita 879-5593, JapanDepartment of Internal Medicine, Gastroenterology and Hepatology Section, Faculty of Medicine, University of Kinshasa, Kinshasa, DR CongoDepartment of Environmental and Preventive Medicine, Faculty of Medicine, Oita University, Oita 879-5593, JapanDepartment of Environmental and Preventive Medicine, Faculty of Medicine, Oita University, Oita 879-5593, JapanDepartment of Environmental and Preventive Medicine, Faculty of Medicine, Oita University, Oita 879-5593, JapanDepartment of Environmental and Preventive Medicine, Faculty of Medicine, Oita University, Oita 879-5593, JapanDepartment of Internal Medicine, Gastroenterology and Hepatology Section, Faculty of Medicine, University of Kinshasa, Kinshasa, DR CongoDepartment of Internal Medicine, Gastroenterology and Hepatology Section, Astryd Clinics, Kinshasa, DR CongoDepartment of Virology, National Institute of Biomedical Research, Kinshasa, DR CongoDepartment of Parasitology, National Institute of Biomedical Research, Kinshasa, DR CongoDepartment of Internal Medicine, Faculty of Medicine, University of Mbujimayi, Mbujimayi, DR CongoDepartment of Environmental and Preventive Medicine, Faculty of Medicine, Oita University, Oita 879-5593, JapanAntimicrobial susceptibility testing (AST) is increasingly needed to guide the <i>Helicobacter pylori</i> (<i>H. pylori</i>) treatment but remains laborious and unavailable in most African countries. To assess the clinical relevance of bacterial whole genome sequencing (WGS)-based methods for predicting drug susceptibility in African <i>H. pylori</i>, 102 strains isolated from the Democratic Republic of Congo were subjected to the phenotypic AST and next-generation sequencing (NGS). WGS was used to screen for the occurrence of genotypes encoding antimicrobial resistance (AMR). We noted the broad-spectrum AMR of <i>H. pylori</i> (rates from 23.5 to 90.0%). A WGS-based method validated for variant discovery in AMR-related genes (discovery rates of 100%) helped in identifying mutations of key genes statistically related to the phenotypic AMR. These included mutations often reported in Western and Asian populations and, interestingly, several putative AMR-related new genotypes in the <i>pbp1A</i> (e.g., T558S, F366L), <i>gyrA</i> (e.g., A92T, A129T), <i>gyrB</i> (e.g., R579C), and <i>rdxA</i> (e.g., R131_K166del) genes. WGS showed high performance for predicting AST phenotypes, especially for amoxicillin, clarithromycin, and levofloxacin (Youden’s index and Cohen’s Kappa > 0.80). Therefore, WGS is an accurate alternative to the phenotypic AST that provides substantial decision-making information for public health policy makers and clinicians in Africa, while providing insight into AMR mechanisms for researchers.https://www.mdpi.com/2076-2607/8/6/887<i>Helicobacter pylori</i>whole genome sequencingdrug resistanceantimicrobial susceptibility testingnext-generation sequencingDemocratic Republic of Congo
spellingShingle Evariste Tshibangu-Kabamba
Patrick de Jesus Ngoma-Kisoko
Vo Phuoc Tuan
Takashi Matsumoto
Junko Akada
Yasutoshi Kido
Antoine Tshimpi-Wola
Pascal Tshiamala-Kashala
Steve Ahuka-Mundeke
Dieudonné Mumba Ngoy
Ghislain Disashi-Tumba
Yoshio Yamaoka
Next-Generation Sequencing of the Whole Bacterial Genome for Tracking Molecular Insight into the Broad-Spectrum Antimicrobial Resistance of <i>Helicobacter pylori</i> Clinical Isolates from the Democratic Republic of Congo
Microorganisms
<i>Helicobacter pylori</i>
whole genome sequencing
drug resistance
antimicrobial susceptibility testing
next-generation sequencing
Democratic Republic of Congo
title Next-Generation Sequencing of the Whole Bacterial Genome for Tracking Molecular Insight into the Broad-Spectrum Antimicrobial Resistance of <i>Helicobacter pylori</i> Clinical Isolates from the Democratic Republic of Congo
title_full Next-Generation Sequencing of the Whole Bacterial Genome for Tracking Molecular Insight into the Broad-Spectrum Antimicrobial Resistance of <i>Helicobacter pylori</i> Clinical Isolates from the Democratic Republic of Congo
title_fullStr Next-Generation Sequencing of the Whole Bacterial Genome for Tracking Molecular Insight into the Broad-Spectrum Antimicrobial Resistance of <i>Helicobacter pylori</i> Clinical Isolates from the Democratic Republic of Congo
title_full_unstemmed Next-Generation Sequencing of the Whole Bacterial Genome for Tracking Molecular Insight into the Broad-Spectrum Antimicrobial Resistance of <i>Helicobacter pylori</i> Clinical Isolates from the Democratic Republic of Congo
title_short Next-Generation Sequencing of the Whole Bacterial Genome for Tracking Molecular Insight into the Broad-Spectrum Antimicrobial Resistance of <i>Helicobacter pylori</i> Clinical Isolates from the Democratic Republic of Congo
title_sort next generation sequencing of the whole bacterial genome for tracking molecular insight into the broad spectrum antimicrobial resistance of i helicobacter pylori i clinical isolates from the democratic republic of congo
topic <i>Helicobacter pylori</i>
whole genome sequencing
drug resistance
antimicrobial susceptibility testing
next-generation sequencing
Democratic Republic of Congo
url https://www.mdpi.com/2076-2607/8/6/887
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