Immunoglobulin alpha-protease is a virulence factor that can defend against antibodies. It can produce hydrogen peroxide that can affect host cells because hydrogen peroxide can produce reactive oxygen species. 

Immunoglobulin alpha-protease

- ureaplasma proteins phospholipase A and C
- mutiple banded antigen
- urease
- immunoglobulin alpha-protease

University of Wisconsin - Madison

*Ureaplasma urealyticum* can be found in a normal healthy microbiota. However, it can cause urethritis. 

*Ureaplasma urealyticum*

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

Often people with nongonococcal urethritis are asymptomatic and do not know they carry the disease. But common symptoms are: 
- purulent discharge
- dysuria

When left untreated, nongonococcal urethritis can cause:
- Pelvic inflammatory disease
- salpingitis
- epididymitis
- prostatitis

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