Eric N. Villegas

A role for inducible costimulator protein in the CD28- independent mechanism of resistance to Toxoplasma gondii.

Susceptibility of interleukin-2-deficient mice to Toxoplasma gondii is associated with a defect in the production of gamma interferon.

Contribution of interleukin-12 (IL-12) and the CD28/B7 and CD40/CD40 ligand pathways to the development of a pathological T-cell response in IL-10-deficient mice.

Interleukin-15-deficient mice develop protective immunity to Toxoplasma gondii.

Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry-based analysis of Giardia lamblia and Giardia muris.

Cryptosporidium source tracking in the Potomac River watershed.

Cryptosporidium propidium monoazide-PCR, a molecular biology-based technique for genotyping of viable Cryptosporidium oocysts.

Improved Cryptosporidium parvum oocyst propagation using dexamethasone suppressed CF-1 mice.

Uptake and transmission of Toxoplasma gondii oocysts by migratory, filter-feeding fish.

Using quantitative reverse transcriptase PCR and cell culture plaque assays to determine resistance of Toxoplasma gondii oocysts to chemical sanitizers.

Determining UV inactivation of Toxoplasma gondii oocysts by using cell culture and a mouse bioassay.

Application of leftover sample material from waterborne protozoa monitoring for the molecular detection of Bacteroidales and fecal source tracking markers.