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B.S. Microbiology

Microbiology is the study of microscopic life forms. Bacteria and archaea are the oldest and most successful life forms on Earth. They can live in temperatures well below freezing to above boiling. Others can live in very acid or very alkaline environments and in the presence of chemicals or radiation that may be lethal to other organisms. Fossilized microbes have been dated to be up to 3.5 billion years old.

Viruses, which are more numerous than bacteria, have none of the properties of life. Although most people associate microorganisms with disease, the majority are actually beneficial and in some cases are used to produce economically important materials, or as vectors for the treatment of disease.

In the microbiology program at Texas State, we learn about the different types of microorganisms, their biology, where they are found, their interactions with humans, and the interactions of microorganisms with each other and the environment.

Faculty Involved:


Microbiology stuff

Microbiology Degree Requirements/Checklist: 
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Careers in Microbiology:
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Courses Offered:

  • BIO 2400 Microbiology
  • BIO 3442 Virology
  • BIO 4426 Immunology
  • BIO 4445 Pathogenic Microbiology
  • BIO 4446 Microbial Ecology
  • BIO 4447 Microbial Physiology and Genetics


The American Society for Microbiology and The Texas Branch of the American Society for Mircobiology are open to all of those interested in the science of microbiology and its diverse roles in areas such as the environment, ecology, health, and medicine.  We invite you to check out our site.  You will find information on future and past meetings, awards and scholarships, and how to join and become involved.  Thank you for visiting!

The mission of the Texas Branch of the American Society for Microbiology is to promote the science of microbiology throughout the state through meetings, discussion, and education.



Cleck out the Texas Branch American Society for Microbiology


Cleck out the American Society for Microbiology