Author

Katsura Igai

Tokyo Institute of TechnologyORCID 0000-0002-8751-6899Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Research Focus:host-pathogen & immune response· 2 Research Focus:cell type annotation· 1 Approach:experimental assay· 1 Approach:genetic perturbation / CRISPR· 1 Organism:human· 1 Assay:metagenomics· 1 Organism:mouse· 1 Organism:multiple species· 1

Frequent Co-Authors

Yuichi HongohiD· 3 shared Moriya OhkumaiD· 2 shared Arisa NishiharaiD· 1 shared Kazuki TakahashiiD· 1 shared Kumiko KiharaiD· 1 shared Masahiro YukiiD· 1 shared Masayuki Kaneko· 1 shared Michiru ShimizuiD· 1 shared

Activity by Year

2024-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 25 mutual co-author links

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3 shared papersMicrobiology

Yuichi HongohORCID

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3 papers

Recent·Most cited

MicrobiologyISME CommunicationsPeer-reviewedJan 1, 2026

Discovery and genomics of H2-oxidizing/O2-reducing Deferribacterota ectosymbiotic with protists in the guts of termites and a Cryptocercus cockroach

Naoya Maruoka, Rinpei Kudo, Katsura Igai…·Yuichi Hongoh

The paper discovers a new ectosymbiotic clade of Deferribacterota associated with protists in termite and cockroach guts and describes their genomic features and potential ecological roles.

DOI 10.1093/ismeco/ycag002

humanmouse

𝕏 PostBluesky

EcologyRoyal Society Open SciencePeer-reviewedMay 1, 2024

Transmission dynamics of symbiotic protist communities in the termite gut: association with host adult eclosion and dispersal

Tatsuya Inagaki, Katsura Igai, Kazuki Takahashi, Yuichi Hongoh

This study examines protist community dynamics during termite adult eclosion and dispersal, finding that changes in community composition enhance transmission efficiency.

3 citations

multiple speciessimulation

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MicrobiologyISME CommunicationsPeer-reviewedJan 1, 2024

Facultative endosymbiosis between cellulolytic protists and methanogenic archaea in the gut of the Formosan termite Coptotermes formosanus

Masayuki Kaneko, Tatsuki Oomori, Katsura Igai…·Yuichi Hongoh

This study identifies a facultative endosymbiotic relationship between methanogenic archaea and cellulolytic protists in termite gut, showing genomic and ecological adaptations to their symbiotic lifestyle.

7 citations

metagenomicsexperimental assay

𝕏 PostBluesky