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Animal Microbiology Lab
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A lab that studies pathogenic bacteria and ticks with the aim of controlling infectious diseases.

AboutAbout the lab
Uncovering the mechanisms by which pathogenic bacteria cause harm
The Animal Microbiology Lab studies the "virulence" of pathogenic microorganisms relevant to livestock and environmental hygiene.
Focusing on microbial metabolism, physiological phenomena, and immune mechanisms, it investigates questions such as "what makes a pathogen harmful," "how does it spread," and "how do drug-resistant pathogens differ?"
Ticks, which parasitize animals and feed on their blood, and the pathogens that ticks carry are also research subjects.
Using the findings, the lab is also developing new control measures against infectious diseases, such as antimicrobial agents.
Key terms
- Drug-resistant bacteria
- Pathogenic bacteria that no longer respond to drugs such as antibiotics.
- Tick
- A member of the arthropods, like spiders and scorpions. It parasitizes humans and animals, feeds on their blood, and transmits pathogens.
- Virulence gene
- A gene involved in causing disease. Whether a bacterium has it determines the difference between pathogenic and non-pathogenic bacteria.
NewsLab news
A student's paper was selected as one of the Editor's Choice Articles for 2024
A paper by Professor Tanaka and colleagues was published in Comparative Immunology, Microbiology and Infectious Diseases
A paper by Professor Tanaka and colleagues was published in Medical and Veterinary Entomology
A student received the Outstanding Presentation Award at the Tohoku Society of Animal Science
A paper by Professor Tanaka and colleagues was published in Frontiers in Veterinary Science
ResearchResearch themes
The Animal Microbiology Lab investigates the "virulence" of pathogenic microorganisms relevant to livestock and environmental hygiene at the level of genes and proteins. It aims to clarify how pathogens spread and how drug-resistant pathogens differ, and to apply this knowledge to new measures for controlling infectious diseases.
*Illustrative imageResearch on pathogenic bacteria and drug-resistant bacteria
Through epidemiological surveys of how virulence genes spread and analysis of the characteristics of pathogenic microorganisms, the lab pursues research that leads to measures for controlling the infectious diseases these microorganisms cause.
*Illustrative imageResearch on ticks that carry pathogens
Using the Asian longhorned tick (Haemaphysalis longicornis), which is common in Japan, the lab examines antioxidant function, early immunity, and the ability to transmit pathogens. It aims to establish basic technologies for blocking ticks and the pathogens they carry.
*Illustrative imageAnti-tick and antimicrobial research
The lab aims to develop new antimicrobial agents that can replace antibiotics, such as vaccines, antimicrobial peptides, and metal nanoparticles. Based on molecular biology, it analyzes their mechanisms of action.
MembersFaculty
The members of the Animal Microbiology Lab consist of faculty, doctoral, master's, and undergraduate students, research students, and technical and administrative assistants.As of 2026
- ProfessorTetsuya Tanaka
- Associate ProfessorRyuta Tobe
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Ixodes ricinus on dry grass” W.alter / CC BY-SA 4.0 (cropped)
- Research on pathogenic bacteria and drug-resistant bacteria: “Antibiotic sensitivity and resistance” Dr Graham Beards / CC BY-SA 4.0 (cropped)
- Research on ticks that carry pathogens: “Longhorned tick (Haemaphysalis longicornis)” James Gathany / Public domain (cropped)
- Anti-tick and antimicrobial research: “Sphingobacterium on MHA with Extra Antibiotics” Ajay Kumar Chaurasiya / CC BY-SA 4.0 (cropped)
- Related lab
(動物環境管理学): “Mosquitoes in cup” Bluerasberry / CC BY-SA 3.0 (cropped) - Related lab
(作物学): “Wheat field - geograph.org.uk - 216367” Richard Webb / CC BY-SA 2.0 (cropped) - Related lab (植物遺伝育種学): “Rice research plots” Desmanthus4food / CC BY-SA 3.0 us (cropped)
- Related lab (植物病理学): “Cucumber mosaic virus symptoms” William M. Brown Jr. / CC BY 3.0 us (cropped)
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