Morris, D. R., and Jorstad, C. M. Growth and Macromolecular Composition of a Mutant of Escherichia coli During Polyamine Limitation. J. Bacteriol. 113, 271-277 (1973).
Weiss, R. L., and Morris, D. R. Cations and Ribosome Structure. I. Effects on the 305 Subunit of Substituting Polyamines for Magnesium Ion. Biochemistry 12, 435-441 (1973).
Kimes, B. W., and Morris, D. R. Cations and Ribosome Structure. II. Effects on the 505 Subunit of Substituting Polyamines for Magnesium Ion. Biochemistry 12, 442-449 (1973).
Weiss, R. L., Kimes, B. W., and Morris, D. R. Cations and Ribosome Structure. III. Effects on the 305 and 505 Subunits of Replacing Bound Mg by Inorganic Cations. Biochemistry 12, 450-456 (1973).
Fillingame, R. H., and Morris, D. R. Polyamine Accumulation During Lymphocyte Transformation and Its Relation to the Synthesis, Processing and Accumulation of Ribonucleic Acid. Biochemistry 12, 4479-4487 (1973).
Morris, D. R., and Hansen, M. T. Influence of Polyamine Limitation on Chain Growth Rates of Beta-Galactosidase and of Its Messenger Ribonucleic Acid. J. Bacteriol. 116, 588-592 (1973).
Jorstad, C. M., and Morris, D. R. Polyamine Limitation of Growth Slows the Rate of Polypeptide Chain Elongation in Escherichia coli. J. Bacteriol. 119, 857-860 (1974).
Morris, D. R., Dahlberg, J. E., and Dahlberg, A. E. Detection of Cation-specific Conformational Changes in Ribosomal RNA by Gel Electrophoresis. Nucleic Acid Res. 2, 447-458 (1975).
Fillingame, R. H., Jorstad, C. M., and Morris, D. R. Increased Cellular Levels of Spermidine or Spermine are Required for Optimal DNA Synthesis in Lymphocytes Activated by Concanavalin A. Proc. Natl. Acad. Sci. U.S.A. 72, 4042-4045 (1975).
Morris, D. R., Jorstad, C. M. and Seyfried, C. E. Inhibition of the Synthesis of Polyamines and DNA in Activated Lymphocytes by a Combination of Alpha-Methylornithine and Methylglyoxal Bis (guanylhydrazone). Cancer Research 37, 3169- 3172 (1977).
Knutson, J. C., and Morris, D. R. Cellular Polyamine Depletion Reduces DNA Synthesis in Isolated Lymphocyte Nuclei. Biochim. Biophys. Acta 520, 291-301 (1978).
Whitney, P. A., and Morris, D. R. Polyamine Auxotrophs of Saccharomyces Cerevisiae. J. Bacteriol. 134, 214-220 (1978).
Geiger, L. E., and Morris, D. R. Polyamine Deficiency Reduces the Rate of DNA Replication Fork Movement in Escherichia Coli. Nature 272, 730-732 (1978).
Seyfried, C. E., and Morris, D. R. Relationship Between Inhibition of Polyamine Biosynthesis and DNA Replication in Activated Lymphocytes. Cancer Research 39, 4861-4867 (1979).
Jorstad, C. M., Harada, J. J., and Morris, D. R. Structural Specificity of the Spermidine Requirement of an Escherichia Coli Auxotroph. J. Bacteriol. 141, 456-463 (1980).
Geiger, L. E., and Morris, D. R. Stimulation of Deoxyribonucleic Acid Replication Fork Movement by Spermidine Analogs in Polyamine-Deficient Escherichia Coli. J. Bacteriol. 141, 1192-1198 (1980).
Geiger, L. E., and Morris, D. R. Specificity of the Spermidine Requirement for the Replication of FX174 DNA by Cell-Free Extracts of Escherichia Coli. Biochim. Biophys. Acta 609, 264-271 (1980)
Harada, J. J., Porter, C. W., and Morris, D. R. Induction of Polyamine Limitation in Chinese Hamster Ovary Cells by a-Methylornithine. J. Cell. Physiol. 107, 413-426 (1981).
Harada, J. J., and Morris, D. R. Cell Cycle Parameters of Chinese Hamster Ovary Cells during Exponential, Polyamine Limited Growth. Mol. Cell. Biol. 1, 594-599 (1981).
Linderoth, N., and Morris, D. R. Structural Specificity of the Triamines sym-Homospermidine and Aminopropylcadaverine in Stimulating Growth of Spermidine Auxotrophs of Escherichia coli. Biochem. Biophys. Res. Commun. 117, 616-622 (1983).
Seyfried, C. E., and Morris, D. R. Methods for the Study of the Physiological Effects of Inhibitors of Polyamine Biosynthesis in Mitogen-Activated Lymphocytes. Methods in Enzymology 94, 373-389 (1983).
Janne, J., and Morris, D. R. Inhibition of S-Adenosylmethionine Decarboxylase and Diamine Oxidase Activities by Analogues of Methylglyoxal Bis-(Guanylhydrazone) and Their Cellular Uptake during Lymphocyte Activation. Biochem. J. 218, 947-951 (1984).
Igarashi, K., Porter, C. W., and Morris, D. R. Comparison of the Specificity of Inhibition of Polyamine Synthesis in Lymphocytes of Ethylglyoxal Bis-(Guanylhydrazone) and Methylglyoxal Bis-(Guanylhydrazone) . Cancer Research 44, 5326-5331 (1984).
Igarashi, K., and Morris, D. R. Physiological Effects in Lymphocytes of Inhibiting Polyamine Synthesis with Ethylglyoxal Bis-(Guanylhydrazone) . Cancer Research 44, 5332-5337 (1984).
Wemmer, D. E., Srivenugopal, K. S., Reid, B. R., and Morris, D. R. Nuclear Magnetic Resonance Studies of Polyamine Binding to a Defined DNA Sequence. J. Mol. Biol. 185, 457-459 (1985).
Srivenugopal, K. S., and Morris, D. R. Differential Modulation by Spermidine of Reactions Catalyzed by Type 1 Prokaryotic and Eukaryotic Topoisomerases. Biochemistry 24, 4766-4771 (1985).
Marton, L. J., and Morris, D. R. Molecular and Cellular Functions of the Polyamines. In Inhibition of Polyamine Biosynthesis: Biological Significance and Basis for New Therapies. (McCann, P. P., Pegg, A. E., and Sjoerdsma, A., eds.) . Academic Press, Inc., New York, pp. 79-105 (1987).
Srivenugopal, K. S., Wemmer, D. E., and Morris, D. R. Aggregation of DNA by Analogs of Spermidine; Enzymatic and Structural Studies. Nuc. Acids Res. 15, 2563-2580 (1987).
Morris, D. R. A New Perspective on Ornithine Decarboxylase Regulation: Prevention of Polyamine Toxicity is the Overriding Theme. J. Cell. Biochem. 46, 102-105 (1991).
Davis, R. H., Morris, D. R., and Coffino, P. Sequestered End Products
and Enzyme Regulation: The Case of Ornithine Decarboxylase.
Microbiol.
Rev. 56, 280-290 (1992).