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The Journal of Biological Chemistry|December 25, 1982
Elevation of the intracellular pH activates respiration and motility of sperm of the sea urchin, Strongylocentrotus purpuratusR Christen, R W Schackmann, B M ShapiroThe Journal of Biological Chemistry|November 25, 1984
Measurement of plasma membrane and mitochondrial potentials in sea urchin sperm. Changes upon activation and induction of the acrosome reactionR W Schackmann, R Christen, B M ShapiroThe Journal of Physiology|October 1, 1986
Ionic regulation of sea urchin sperm motility, metabolism and fertilizing capacityR Christen, R W Schackmann, B M ShapiroProceedings of the National Academy of Sciences of the United States of America|October 1, 1981
Membrane potential depolarization and increased intracellular pH accompany the acrosome reaction of sea urchin spermR W Schackmann, R Christen, B M ShapiroThe Journal of Biological Chemistry|May 10, 1983
Metabolism of sea urchin sperm. Interrelationships between intracellular pH, ATPase activity, and mitochondrial respirationR Christen, R W Schackmann, B M ShapiroDevelopmental Biology|July 1, 1983
Interactions between sperm and sea urchin egg jellyR Christen, R W Schackmann, B M ShapiroExperimental Cell Research|November 1, 1983
31P-NMR analysis of sea urchin sperm activation. Reversible formation of high energy phosphate compounds by changes in intracellular pHR Christen, R W Schackmann, F W Dahlquist, et al.Proceedings of the National Academy of Sciences of the United States of America|March 1, 1985
Calcium channel antagonists inhibit the acrosome reaction and bind to plasma membranes of sea urchin spermT Kazazoglou, R W Schackmann, M Fosset, et al.European Journal of Biochemistry|December 8, 1989
Phosphagen kinase evolution. Expression in echinodermsA Ratto, B M Shapiro, R ChristenThe Journal of Biological Chemistry|July 5, 1986
Alteration of intracellular [Ca2+] in sea urchin sperm by the egg peptide speract. Evidence that increased intracellular Ca2+ is coupled to Na+ entry and increased intracellular pHR W Schackmann, P B ChockPageof 16