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2023 Fiscal Year Final Research Report

Genomic survey of enteric pathogens in India for developing anti-adhesion therapies

Research Project

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Project/Area Number 20KK0183
Research Category

Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 49:Pathology, infection/immunology, and related fields
Research InstitutionOsaka University

Principal Investigator

Iida Tetsuya  大阪大学, 微生物病研究所, 教授 (90221746)

Co-Investigator(Kenkyū-buntansha) 沖 大也  大阪大学, 微生物病研究所, 特任研究員(常勤) (30845285)
河原 一樹  大阪大学, 大学院薬学研究科, 助教 (60585058)
Project Period (FY) 2020-10-27 – 2024-03-31
Keywordsコレラ / メタゲノム解析 / IV型線毛
Outline of Final Research Achievements

Metagenomic analysis revealed that some citizens of Kolkata have a small number of V. cholerae in their intestines as a subclinical infection. In order to efficiently obtain the whole genome sequences of V. cholerae that cause subclinical infection, we made DNA probes targeting the V. cholerae genome. In addition, the transport mechanism of soluble colonization factor secreted by V. cholerae was elucidated by the crystal structures and interaction analysis.

Free Research Field

細菌学

Academic Significance and Societal Importance of the Research Achievements

本研究から得られたメタゲノム情報は、コレラ菌の不顕性感染者がインドでのコレラの拡散や蔓延に関与していることを示している。本研究で設計開発したDNAプローブによって効率的に収集されるコレラ菌のゲノム情報と、腸管定着に関わる因子の構造情報をあわせることで、コレラ菌に対するワクチンや新規薬剤の開発が可能となり、将来的にはコレラの感染制御に繋がることが期待される。

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Published: 2025-01-30  

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