Faculty Information - OOSAKA Toshifumi

（Last updated : 2025-12-12 08:52:59）

OOSAKA Toshifumi
Department School of Medicine, School of Medicine Department of Microbiology and Immunology

Position Associate Professor

■ Published papers

1.	Original article	Novel Escherichia coli phages representing a distinct genus within the subfamily Stephanstirmvirinae: genome and host range characteristics. 2025/12/10
2.	Original article	From phenotype to receptor: validating physiological clustering of Escherichia coli phages through comprehensive receptor analysis. 2025/09
3.	Original article	Comparative Analysis of the Skin Microbiota of Rosacea, Steroid‐Induced Rosacea and Perioral Dermatitis. 2025/03/17
4.	Original article	Comparative analysis of the skin microbiota of rosacea,steroid-induced rosacea and perioral dermatitis. 2025/03/17
5.	Original article	Dietary coconut oil lowered circulating fetuin-A levels and hepatic expression of fetuin-A in ‍KK/‍TaJcl mice 2025/03/01
6.	Original article	Novel Pathogenicity of Secretory Proteins from Acinetobacter Radioresistens in Experimental Models 2024/03
7.	Original article	Tailoring Effective Phage Cocktails for Long-Term Lysis of Escherichia coli Based on Physiological Properties of Constituent Phages 2023/09/20
8.	Original article	Cross-Reactivity of Antibodies in Intravenous Immunoglobulin Preparation for Protection against SARS-CoV-2 2023/02/13
9.	Original article	Effects of high temper on the nitrification performance using moving bed bioreactor 2022/06/15
10.	Original article	Long-term limitation effects of Se(VI), Zn(II), and Ni(II) on start-up of the anammox process using gel carrier 2022/03/04
11.	Original article	Effect of inorganic carbon limitation on the nitrogen removal performance of the single-stage reactor containing anammox and nitritation gel carriers 2022/01
12.	Original article	Methanol tolerance and acclimation in the anammox process using a gel carrier 2020
13.	Original article	Effect of Cholecalciferol in Food Allergy Mouse Model is Associated with Decrease of CD69⁺ CD4⁺ T Cells. 2019/04
14.	Review article	Biological effects of antibiotic-induced alterations in gut microbiota 2018/07
15.	Review article	Development of the human gut microbiota 2018/04
16.	Original article	High-Rate Nitrification of Electronic Industry Wastewater by Using Nitrifying Granules 2017/12
17.	Original article	Meta-analysis of fecal microbiota and metabolites in experimental colitic mice during the inflammatory and healing phases 2017/12
18.	Original article	First full-scale nitritation-anammox plant using gel entrapment technology for ammonia plant effluent 2017/06
19.	Original article	Effect of Lipopolysaccharide on the Progression of Non-Alcoholic Fatty Liver Disease in High Caloric Diet-Fed Mice 2016/02
20.	Original article	Bacterial metabolites directly modulate farnesoid X receptor activity. 2015/12
21.	Original article	Strengthening of the intestinal epithelial tight junction by Bifidobacterium bifidum. 2015/03
22.	Original article	Complete autotrophic denitrification in a single reactor using nitritation and anammox gel carriers. 2013/11
23.	Original article	High-rate denitrification using polyethylene glycol gel carriers entrapping heterotrophic denitrifying bacteria. 2012/10
24.	Original article	Temperature dependence for anammox bacteria enriched from freshwater sediments. 2012/10
25.	Original article	Transitions in oral and intestinal microflora composition and innate immune receptor-dependent stimulation during mouse development. 2010/02
26.	Original article	Comparative Evaluation of Wastewater Purification Performance among Ten Different Macrophytes in the Constructed Wetland 2010
27.	Original article	Effects of carbon source on denitrification efficiency and microbial community structure in a saline wastewater treatment process. 2008/08
28.	Original article	Identification of the bacterial community involved in methane-dependent denitrification in activated sludge using DNA stable-isotope probing. 2008/06
29.	Original article	Identification of acetate- or methanol-assimilating bacteria under nitrate-reducing conditions by stable-isotope probing. 2006/08
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■ Academic conference presentation

1.	Validation of Improved Physiological Classification of Escherichia coli Phages Through Comprehensive Receptor Analysis （Speech，General） 2025/08/05
2.	Validating Phage Clustering Based on Physiological Characteristics Through Target Receptor Analysis: A Strategy for Mitigating the Emergence of Phage-Resistant Bacteria in Phage Therapy （Poster notice，General） 2024/07/16
3.	PCA-based phage clustering as a powerful tool for effective cocktail preparation （Poster notice，General） 2023/08/09
4.	Comparative analysis of the skin microbiota of rosacea and rosacea-like diseases （Poster notice，General） 2023/05
5.	Role of Escherichia coli flagellin protein　in the pathogenesis of type 1 autoimmune pancreatitis （Poster notice，General） 2021/12/09
6.	Involvement of LECT2 in the process of intestinal epithelial wound healing （Speech，General） 2019/12/11
7.	Effects of gut microbiota disturbance at early life on colonic mucosal immune cells （Poster notice，General） 2018/12/12
8.	Molecular ecological analysis of salivary microbiota in Japanese patients with type 2 diabetes （Poster notice，Panelist at Symposium/Workshop (Other)） 2018/03/27
9.	Colonic inflammation induces a transient increase in serum LECT2 level. （Speech，Panelist at Symposium/Workshop (Applied)） 2017/12/12
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■ Research areas

Bacteriology, Immunology, Nutrition science and health science