Author

Seiji Kojima

Nagoya UniversityORCID 0000-0002-5582-8935Unclaimed 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· 5 Assay:cryo-EM· 4 Organism:bacteria (other)· 3 Research Focus:protein structure prediction· 3 Research Focus:cell type annotation· 2 Organism:virus· 2

Frequent Co-Authors

Michio HommaiD· 5 shared Hajime NakataniiD· 2 shared Jun-ichi KishikawaiD· 2 shared Katsumi ImadaiD· 2 shared Mika HiroseiD· 2 shared Miki KinoshitaiD· 2 shared Norihiro TakekawaiD· 2 shared Tatsuro NishikinoiD· 2 shared

Activity by Year

2024-2026 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 35 mutual co-author links

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5 shared papersMicrobiology

Michio HommaORCID

Mutual co-authors in cluster

Author profile →

5 papers

Recent·Most cited

Structural characterization of a pseudaminic acid-modified lateral flagellar filament from Vibrio alginolyticus

Miki Kinoshita, Tohru Minamino, Hajime Nakatani, Atsuo Suzuki, Toshifumi Takao, Emi Mishiro‐Sato, Seiji Kojima, Keiichi Namba, Michio Homma

The paper characterizes pseudaminic acid modifications on the lateral flagellar filament of Vibrio alginolyticus and shows Maf is required for filament formation.

bioRxiv · Sep 24, 2026 · PreprintMicrobiology

Requirements for swarming ability by lateral flagella on an agar surface in marine Vibrio cells

Michio Homma, Tatehiko Mima, Hajime Nakatani, Seiji Kojima

This study identifies gelatin as a factor promoting swarming on agar surfaces by Vibrio lateral flagella, suggesting extracellular surfactants and polysaccharides are important, and proposes S and A motility mechanisms.

bioRxiv · Aug 10, 2026 · PreprintMicrobiology

Molecular basis of high-torque transmission of the Vibrio polar flagellar motor

Ling Zhang, Jiaxing Tan, Xuemin Duan, Xiaofei Wang, Ting Wang, Keke Yuan, Michio Homma, Seiji Kojima, Yan Zhou, Yongqun Zhu

This study presents an atomic-resolution structure of the Vibrio polar flagellar motor, revealing structural features that enable high-torque transmission and unique motility.

Protein & Cell · Mar 19, 2026Peer-reviewedMicrobiology

Structural insight into sodium ion pathway in the bacterial flagellar stator from marine Vibrio

Tatsuro Nishikino, Norihiro Takekawa, Jun-ichi Kishikawa, Mika Hirose, Seiji Kojima, Michio Homma, Takayuki Kato, Katsumi Imada

The paper determines the structure of the Na+-driven stator PomAB from Vibrio using cryo-EM and reveals the sodium ion pathway, ion selectivity mechanism, and inhibition by phenamil.

Proceedings of the National Academy of Sciences · Dec 30, 2024Peer-reviewedMicrobiology

Structural analysis of S-ring composed of FliFG fusion proteins in marine Vibrio polar flagellar motors

Norihiro Takekawa, Tatsuro Nishikino, Jun-ichi Kishikawa, Mika Hirose, Miki Kinoshita, Seiji Kojima, Tohru Minamino, Takayuki Uchihashi, Takayuki Kato, Katsumi Imada, Michio Homma

The paper reports the near-atomic structure of the S-ring from Vibrio alginolyticus flagellar motor using cryo-EM, revealing structural differences compared to Salmonella.

mBio · Sep 6, 2024Peer-reviewedBiophysics