Ryals, P. E., Pak, Y. and Thompson, G. A., Jr.  (1991) Phosphatidylinositol-linked glycans and phosphatidylinositol-anchored proteins of Tetrahymena mimbresJ. Biol. Chem.  266, 15048 - 15053.

                 Pak, Y., Ryals, P. E. and Thompson, G. A., Jr.  (1991) Phosphatidylinositol-glycan formation and utilization by the ciliate Tetrahymena mimbresJ. Biol. Chem.  266, 15054 - 15059.

                 Yang, X. and Ryals, P. E.  (1994) Cytodifferentiation in Tetrahymena vorax is linked to glycosyl phosphatidylinositol-anchored protein assembly.  Biochem. J.  298, 697 - 703.

                 Ryals, P. E.  (1996) Protein prenylation in TetrahymenaArch. Protistenkd.  147, 199 - 204.

                 Ryals, P. E. and Yang, X.  (1997) The effect of dichloroisoproterenol on macromolecular synthesis and differentiation in Tetrahymena voraxJ. Eukaryotic Microbiol.  44, 43 - 45.

                 Fields, M. W., Ryals, P. E. and Anderson, K. L.  (1997) Polysaccharide inducible outer membrane proteins of Bacteroides xylanolyticus X5-1.  Anaerobe 3, 43 - 48.

                 Ryals, P. E., Nsofor, M. N., Watt, J. M. and Champlin, F. R.  (1998) Relationship between serotype A encapsulation and a 40-kDa lipoprotein in Pasteurella multocidaCurr. Microbiol.  36, 274 - 277.

                 Ryals, P. E., Bae, S. and Patterson, C. E.  (1999) Evidence for early signaling events in stomatin-induced differentiation of Tetrahymena voraxJ. Eukaryotic Microbiol.  46, 77 - 83.

                 Champlin, F. R., Shryock, T. R., Patterson, C. E., Austin, F. W. and Ryals, P. E.  (1999) Derivation of extracellular polysaccharide-deficient variants from a serotype A strain of Pasteurella multocidaCurr. Microbiol.  38, 268 - 272.

               Ryals, P. E. and Kersting, M. C.  (1999) Sodium-dependent uptake of [3H]scyllo-inositol by Tetrahymena.  Incorporation into phosphatidylinositol, phosphatidylinositol-linked glycans, and polyphosphoinositols.  Arch. Biochem. Biophys.  366, 261 - 266.

             Ryals, P. E. and Williams, N. E.  (1999) Tetrahymena thermophila disA mutants exhibit aberrant levels of phosphatidylethanolamine.  Europ. J. Protistol.  35, 371 - 373.

              Smith-Somerville, H. E., Hardman, J. K., Timkovich, R., Ray, W. J., Rose, K. E., Ryals, P. E., Gibbons, S. H. and Buhse, H. E., Jr.  (2000).  A complex of iron and nucleic acid catabolites is a signal that triggers differentiation in a freshwater protozoan.  Proc. Natl. Acad. Sci. U.S.A.  97, 7325 - 7330.

             Ryals, P.E., Smith-Somerville, H.E. and Buhse, H.E., Jr.  (2002).  Phenotype switching in polymorphic Tetrahymena.  A single cell Jekyll and Hyde.  Int. Rev. Cytol.  212, 209 -238.

            Champlin, F. R., Shryock, T. R., Patterson, C. E., Austin, F. W. and Ryals, P. E.  (2002)  Prevalence of a novel capsule-associated lipoprotein among Pasteurellaceae pathogenic in animals.  Curr. Microbiol.  44, 297 301.

             Kersting, M. C., Boyette, M., Massey, J., and Ryals, P. E.  (2003).  Identification of the inositol isomers present in TetrahymenaJ. Eukaryotic Microbiol.  50, 164 - 168.

            Kersting, M. C. and Ryals, P. E.  (2004).  Sodium-dependent transport of [ 3H]chiro-inositol by TetrahymenaJ. Eukaryotic Microbiol.  51, 307 - 311.

      Smith-Somerville, H. E., Ziemkiewicz, H. T. and Ryals, P. E.  (2005).  Protozoan Nutrition and Metabolism.  In:  Nature Encyclopedia of Life Sciences.  John Wiley & Sons, Ltd.: Chichester.  [doi:10.1038/npg.els.0001928]

      Burdette, A. J., Maki, A. B., Sanstead, J. K., Riggs, B. M. and Ryals, P. E.  (2006).  Phospholipids of the differentiating species of TetrahymenaJ. Eukaryotic Microbiol.  53, 12 - 15.

       Nsofor, M. N., Ryals, P. E. and Champlin, F. R.  (2006).  Subcellular distribution of Plp-40, a lipoprotein in a serotype A strain of Pasteurella multocidaBiochim. Biophys. Acta, 1760, 1160 - 1166.

     Riggs, B. M., Lansley, T. A. and Ryals, P. E. (2006).  Phosphatidylinositol synthase of Tetrahymena.  Inositol isomers as substrates in phosphatidylinositol biosynthesis and headgroup exchange reactions.  J. Eukaryotic Microbiol.  Accepted for Publication.