World's Best Scientists 2026 revealed!
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Microbiology
Korea
2026

D-Index & Metrics

Microbiology

D-Index
83
Citations
51720
World Ranking
952
National Ranking
1

Research.com Recognitions

  • 2026 - Research.com Microbiology in Korea Leader Award
  • 2025 - Research.com Microbiology in Korea Leader Award
  • 2022 - Research.com Microbiology in Korea Leader Award

Overview

Jongsik Chun is affiliated with Seoul National University in South Korea. Their research primarily focuses on the intersection of biochemistry, genetics, and molecular biology, with a substantial number of publications also contributing to the field of medicine. The subfields of study detailed in Chun's work include molecular biology, infectious diseases, food science, plant science, and ecology.

The main topics addressed in their research encompass gut microbiota and health, genomics and phylogenetic studies, probiotics and fermented foods, Clostridium difficile and Clostridium perfringens research, COVID-19 clinical research studies, microbial community ecology and physiology, and SARS-CoV-2 and COVID-19 research.

Recent scholarly works by Chun include the following papers:

  • Introducing EzAAI: a pipeline for high throughput calculations of prokaryotic average amino acid identity, 2021, The Journal of Microbiology
  • UBCG2: Up-to-date bacterial core genes and pipeline for phylogenomic analysis, 2021, The Journal of Microbiology
  • EzBioCloud: a genome-driven database and platform for microbiome identification and discovery, 2024, INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
  • Emotional well-being and gut microbiome profiles by enterotype, 2020, Scientific Reports
  • Characterization of intratissue bacterial communities and isolation of Escherichia coli from oral lichen planus lesions, 2020, Scientific Reports

Frequent co-authors with whom Chun has collaborated include Mauricio Chalita, Hyun-Seok Oh, Dongwook Kim, Yeonjae Jung, and Sein Park. These collaborations suggest an active engagement with a network of researchers across overlapping fields.

Chun's work has been published extensively in the following venues:

  • The Journal of Microbiology
  • Scientific Reports
  • bioRxiv (Cold Spring Harbor Laboratory)
  • INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
  • Nucleic Acids Research

Best Publications

  • Introducing EzBioCloud: a taxonomically united database of 16S rRNA gene sequences and whole-genome assemblies.

    Seok Hwan Yoon;Sung Min Ha;Soonjae Kwon;Jeongmin Lim

  • Introducing EzTaxon-e: a prokaryotic 16S rRNA gene sequence database with phylotypes that represent uncultured species.

    Ok Sun Kim;Yong Joon Cho;Kihyun Lee;Seok Hwan Yoon

  • A large-scale evaluation of algorithms to calculate average nucleotide identity

    Seok-Hwan Yoon;Sung-min Ha;Jeongmin Lim;Soonjae Kwon

  • Towards a taxonomic coherence between average nucleotide identity and 16S rRNA gene sequence similarity for species demarcation of prokaryotes

    Mincheol Kim;Hyun-Seok Oh;Sang-Cheol Park;Jongsik Chun

  • OrthoANI: An improved algorithm and software for calculating average nucleotide identity.

    Imchang Lee;Yeong Ouk Kim;Sang Cheol Park;Jongsik Chun

  • Proposed minimal standards for the use of genome data for the taxonomy of prokaryotes

    Jongsik Chun;Aharon Oren;Antonio Ventosa;Henrik Christensen

  • EzTaxon: a web-based tool for the identification of prokaryotes based on 16S ribosomal RNA gene sequences.

    Jongsik Chun;Jae-Hak Lee;Yoonyoung Jung;Myungjin Kim

  • UBCG: Up-to-date bacterial core gene set and pipeline for phylogenomic tree reconstruction

    Seong-In Na;Yeong Ouk Kim;Seok-Hwan Yoon;Sung-min Ha

  • Evidence for several waves of global transmission in the seventh cholera pandemic

    Ankur Mutreja;Dong Wook Kim;Dong Wook Kim;Nicholas R Thomson;Thomas R Connor

  • A phylogenetic analysis of the genus Nocardia with 16S rRNA gene sequences

    Jongsik Chun;Michael Goodfellow

  • Integrating genomics into the taxonomy and systematics of the Bacteria and Archaea.

    Jongsik Chun;Fred A. Rainey

  • A novel electrochemically active and Fe(III)-reducing bacterium phylogenetically related to Aeromonas hydrophila, isolated from a microbial fuel cell.

    Cuong Anh Pham;Sung Je Jung;Nguyet Thu Phung;Jiyoung Lee

  • ContEst16S: an algorithm that identifies contaminated prokaryotic genomes using 16S RNA gene sequences.

    Imchang Lee;Mauricio Chalita;Sung-Min Ha;Seong-In Na

  • Genotypes associated with virulence in environmental isolates of Vibrio cholerae.

    Irma N. G. Rivera;Irma N. G. Rivera;Jongsik Chun;Anwar Huq;Anwar Huq;R. Brad Sack

  • Introducing EzAAI: a pipeline for high throughput calculations of prokaryotic average amino acid identity.

    Dongwook Kim;Sein Park;Jongsik Chun

  • Comparative genomics reveals mechanism for short-term and long-term clonal transitions in pandemic Vibrio cholerae.

    Jongsik Chun;Christopher J. Grim;Nur A. Hasan;Je Hee Lee

  • Analysis of 16S-23S rRNA Intergenic Spacer Regions of Vibrio cholerae and Vibrio mimicus

    Jongsik Chun;Anwarul Huq;Rita R. Colwell

  • Bacterial community structure in kimchi, a Korean fermented vegetable food, as revealed by 16S rRNA gene analysis

    Myungjin Kim;Jongsik Chun

  • Characterization of microbiome in bronchoalveolar lavage fluid of patients with lung cancer comparing with benign mass like lesions

    Sang Hoon Lee;Ji Yeon Sung;Dongeun Yong;Jongsik Chun

  • Phylogenetic study of the species within the family Streptomycetaceae

    D. P. Labeda;M. Goodfellow;R. Brown;A. C. Ward

  • Tropical soil bacterial communities in Malaysia: pH dominates in the Equatorial Tropics too

    Binu Mani Tripathi;Mincheol Kim;Dharmesh Singh;Larisa Lee-Cruz

  • Characterization of biofilm structure and its effect on membrane permeability in MBR for dye wastewater treatment.

    Mi-Ae Yun;Kyung-Min Yeon;Jong-Sang Park;Chung-Hak Lee

Frequent Co-Authors

Rita R. Colwell
Rita R. Colwell University of Maryland, College Park
Jehee Lee
Jehee Lee Jeju National University
Michael Goodfellow
Michael Goodfellow Newcastle University
Kyung Sook Bae
Kyung Sook Bae Korea Research Institute of Bioscience and Biotechnology
Dong-Wook Kim
Dong-Wook Kim Ewha Womans University
Anwar Huq
Anwar Huq University of Maryland, College Park
G. Balakrish Nair
G. Balakrish Nair National Institute of Cholera and Enteric Diseases
John D. Clemens
John D. Clemens University of California, Los Angeles
Jonathan M. Adams
Jonathan M. Adams Nanjing University
Nur A. Hasan
Nur A. Hasan University of Maryland, College Park

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