Physarum Research Projects

Histone Acetylation in the Cell Cycle of Physarum polycephalum

(1980 - 1983, University of California at Davis)

1. Waterborg, J.H. and Matthews, H.R. A More Sensitive Assay for Histone Deacetylase Anal. Biochem. 122: 313-318, 1982.
2. Waterborg, J.H. and Matthews, H.R. Control of Histone Acetylation: Cell-Cycle-Dependence of Deacetylase Activity in Physarum Nuclei Exptl. Cell Res. 138: 462-466, 1982.
3. Mende, L.M., Waterborg, J.H., Mueller, R.D. and Matthews, H.R. Isolation, Identification and Characterization of Histones from Plasmodia of the True Slime Mold Physarum polycephalum Using Extraction with Guanidine Hydrochloride Biochemistry 22: 38-51, 1983.
4. Waterborg, J.H. and Matthews, H.R. Patterns of Histone Acetylation in the Cell Cycle of Physarum polycephalum Biochemistry 22: 1489-1496, 1983.
5. Waterborg, J.H. and Matthews, H.R. Acetylation Sites in Histone H3 from Physarum polycephalum FEBS Lett. 162: 416-419, 1983.
6. Waterborg, J.H. and Matthews, H.R. Intranuclear Localization of Histone Acetylation in Physarum polycephalum and the Structure of Functionally Active Chromatin Cell Biophys. 5: 265-279, 1983.
7. Waterborg, J.H., Fried, S.R. and Matthews, H.R. Acetylation and Methylation Sites in Histone H4 from Physarum polycephalum Eur. J. Biochem. 136: 245-252, 1983.
8. Waterborg, J.H. and Matthews, H.R. Patterns of Histone Acetylation in Physarum polycephalum. H2A and H2B Acetylation is Functionally Distinct from H3 and H4 Acetylation Eur. J. Biochem. 142: 329-335, 1984.
9. Matthews, H.R. and Waterborg, J.H. Reversible Modifications of Nuclear Proteins and Their Significance in "The Enzymology of Post-Translational Modification of Proteins", Vol. 2, Eds. R.B. Freedman and H.C. Hawkins, Academic Press, London, pp 125-185, 1985.

Analysis of Replication Origins in Physarum

(1983-1984, University of Sussex, Brighton, UK)

1. Waterborg, J.H. and Shall, S. The Organization of Replicons in "The Cell Division Cycle in Plants" Soc. Exp. Biol. Seminar Series Vol. 26, Eds. J.A. Bryant and D. Francis, Cambridge University Press, Cambridge, UK, pp 15-35, 1985.

Nucleases in Physarum polycephalum

Ph.D. Dissertation Research (1975-1980, Catholic University of Nijmegen, The Netherlands)

1. Waterborg, J.H. Alkaline Nucleases in Physarum polycephalum Ph. D. Thesis, University of Nijmegen, The Netherlands, 1980.
2. Waterborg, J.H. and Kuyper, Ch.M.A. Endonuclease Activity in Nuclei of Physarum polycephalum. Partial Purification and Characterization Biochim. Biophys. Acta 478: 224-233, 1977.
3. Waterborg, J.H. and Kuyper, Ch.M.A. Purification of an Alkaline Endonuclease from Physarum polycephalum Biochim. Biophys. Acta 571: 359-367, 1979.
4. Waterborg, J.H., van Brakel, H.F.W. and Kuyper, Ch.M.A. Differential Synthesis of an Alkaline Endonuclease in Physarum polycephalum Archiv. Microbiol. 122: 195-200, 1979.
5. Waterborg, J.H. and Kuyper, Ch.M.A. Purification and Enzymatic Characterization of Three EndoDNase Isoenzymes from Physarum polycephalum J. Biochem. (Tokyo) 87: 651-661, 1980.
6. Waterborg, J.H., Poot, M. and Kuyper, Ch.M.A. Secretion of Four Alkaline DNases by Plasmodia of Physarum polycephalum J. Biochem. (Tokyo) 88: 1715-1721, 1980.
7. Waterborg, J.H. and Kuyper, Ch.M.A. Substrate Specificity and Mode of Action of the Zinc-Metallo Nuclease from Physarum polycephalum J. Biochem. (Tokyo) 92: 1655-1661, 1982.