Author

Joo-Han Gwak

Chungbuk National UniversityORCID 0000-0002-0464-4722Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Organism:bacteria (other)· 1 Research Focus:host-pathogen & immune response· 1 Research Focus:metabolism & bioenergetics· 1 Assay:metabolomics· 1 Approach:statistical model· 1

Frequent Co-Authors

Christiana AbiolaiD· 3 shared Man‐Young JungiD· 3 shared Sung‐Keun RheeiD· 3 shared Ui-Ju LeeiD· 3 shared Michael WagneriD· 2 shared Samuel Imisi AwalaiD· 2 shared Seongjun LeeiD· 2 shared Adebisi OlabisiiD· 1 shared

Activity by Year

2024-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 42 mutual co-author links

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3 shared papersMicrobiology

Christiana AbiolaORCID

Mutual co-authors in cluster

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3 papers

Recent·Most cited

Kinetic Plasticity of Nitrite-Oxidizing Bacteria Containing Cytoplasmic Nitrite Oxidoreductase

Ui-Ju Lee, Joo-Han Gwak, Christiana Abiola, Seongjun Lee, Jin-Sun Yoo, Ok‐Ja Si, Hyo Je Cho, Zhe‐Xue Lu, Katharina Kitzinger, Holger Daims, Michael Wagner, Man‐Young Jung, Sung‐Keun Rhee

This study shows that Nitrobacter can adjust its nitrite affinity based on nitrite concentration and pH, demonstrating adaptive plasticity in cNXR NOB.

The ISME Journal · Jan 1, 2026Peer-reviewedMicrobiology

Hypoosmolarity inhibits archaeal ammonia oxidation

Joo-Han Gwak, Adebisi Olabisi, Ui-Ju Lee, Christiana Abiola, Seongjun Lee, Hackwon Do, Ji Yun Choi, Jay-Jung Lee, Man‐Young Jung, Nico Jehmlich, Martin von Bergen�, Michael Wagner, Samuel Imisi Awala, Zhe‐Xue Quan, Sung‐Keun Rhee

This study shows hypoosmolarity inhibits archaeal ammonia oxidation while promoting bacterial ammonia oxidation in different environments.

bioRxiv · Jul 7, 2025 · PreprintMicrobiology

Growth of soil ammonia-oxidizing archaea on air-exposed solid surface.

Christiana Abiola, Joo-Han Gwak, Ui-Ju Lee, Samuel Imisi Awala, Man‐Young Jung, Woojun Park, Sung‐Keun Rhee

This study examines the growth of soil ammonia-oxidizing archaea and bacteria on air-exposed solid surfaces, finding differential adaptations and gene expression patterns.

ISME Communications · Jan 1, 2024Peer-reviewedEcology