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Faculty & Research

Susan G. Ernst
Professor
Developmental Biology

Publications

Ernst, Susan G. (2011). Offerings from an Urchin. Developmental Biology 358: 285-294. [pdf]

Lincoln, K., Dimos, J. and Ernst, S.G.  Endo16 is assembled into large molecular weight complexes by a TGase active throughout sea urchin gastrulation.  Manuscript in preparation.

Ega�a, A.L., Boyle, J.A. and Ernst, S .G.  Strongylocentrotus droebachiensis Oocytes Maintain a Microtubule Organizing Center throughout Oogenesis:  Implications for the Origin of Cell Polarity in Sea Urchin Eggs.   Molecular Reproduction and Development.  2007 74: 76-87 [pdf]

Ega�a, A.L. and Ernst, S. G. Sphedgehog is expressed by pigment cell precursors during early gastrulation in Strongylocentrotus purpuratus. Developmental Dynamics (2004) 231:370- 378. [pdf]

Godin, R.E., Klinzing, D.C., Porcaro, W.A. and Ernst, S.G.  Specification of Endoderm in Sea Urchin Embryos.  Mech. of Dev. (1997) 67:35-47. [pdf]

Ernst, S.G.  A century of sea urchin development. Amer. Zool. (1997) 37:250-259. [pdf]

Levin, M. and Ernst, S.G.  Applied DC magnetic fields cause alterations in the time of cell divisions and developmental abnormalities in early sea urchin embryos.  Bioelectromagnetics (1997) 18:255-264. [pdf]

Ernst, S.G.  Recent advances in early development of the sea urchin embryo.  Chapter 7, Vol. VII, "Reproductive Biology of Invertebrates."  J.R. Collier, Volume editor.  (1997) Oxford and IBH Publishing Co. PVT.LTD. New Delhi, 198-224.

Chang, L., Loranger, S.S., Mizzen, C., Ernst, S.G. Allis, C.D. and Annunziato, A.T. Histones in transit:  cytosolic histone complexes and diacetylation of H4 during nucleosome assembly in human cells.  Biochemistry (1997) 36:469-480. [pdf]

Godin, R.E., Urry, L.A. and Ernst, S.G.  Alternative splicing of the Endo16 transcript produces differentially expressed mRNAs during sea urchin gastrulation.  Dev. Biol. (1996) 179:148-159. [pdf]

Levin, M. and Ernst, S.G. Applied AC and DC magnetic fields cause alterations in the mitotic cycle of early sea urchin embryos.  Bioelectromagnetics (1995) 16: 231-240. [pdf]

Soltysik-Espa�ola, M., Klinzing, D., Pfarr, K., Burke, R., and Ernst, S.G.  Endo16, a large multi-domain calcium-binding protein found on the surface and ECM of endodermal cells during sea urchin gastrulation binds calcium.  Dev. Biol. (1994) 165:73-85. [pdf]

Gross, A., Aprille, J., Ernst, S.  Identification of the human mitochondrial DNA fragments corresponding to the genes for ATPase, cytochrome C oxidase and nine tRNAs in a DGGE system.  Analytical Biochemistry (1994) 222: 507-510. [pdf]

Dougherty, F., Ernst, S., and Aprille, J.  Familial recurrence of atypical symptoms with the syndrome of mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS).  J. of Pediatrics (1994) 125: 758-761.

Ransick, A., Ernst, S.G., Britten, R., and Davidson, E. Whole mount in situ hybridization shows Endo16 to be a marker for the vegetal plate territory in sea urchin embryos.  Mech. of Dev. (1993) 42: 117-124. [pdf]

Yoon, K.L., Ernst, S.G., Rasmussan, C., Dooling, E., and Aprille, J.R.  Mitochondrial disorder associated with newborn cardiopulmonary arrest.  Pediatric Research:   (1993) 33: 433-440.

McIsaac, R.J., Ng, E., Nocente-McGrath, C., and Ernst, S.G.  Histone H2A.F/Z mRNA is stored in the egg cytoplasm and is basally regulated in the sea urchin.  Dev. Biol. (1992) 153: 402-406. [pdf]

Nocente-McGrath, C., McIsaac, R.J., and Ernst, S.G.  Altered cell fate in LiCl treated sea urchin embryos.  Dev. Biol. (1991) 147: 445-450. [pdf]

Yoon, K.L., Modica-Napolitano, J.S., Ernst, S.G., and Aprille, J.R.  Denaturing gradient gel method for mapping single base changes in human mitochondrial DNA.  Analytical Biochemistry (1991) 196: 427-432. [pdf]

Yoon, K.L., Aprille, J.R., and Ernst, S.G.  Mitochondrial tRNA (thr) mutation in fetal infantile respiratory enzyme deficiency.  Biochem. Biophys. Res. Comm. (1991) 176: 1112-1115.

Nocente-McGrath, C., Brenner, C. and Ernst, S.G.  Endo16, a lineage-specific protein of the sea urchin embryo, is first expressed just prior to gastrulation.  Dev. Biol. (1989) 136:264-272. [pdf]

Boyle, J. and Ernst, S.G.  Sea urchin oocytes possess elaborate cortical arrays of microfilaments, microtubules and intermediate filaments.  Dev. Biol. (1989) 134:72-84.

Ernst, S.G., Miller, H., Brenner, C.A., Nocente-McGrath, C., Francis, S., and McIsaac, R. Characterization of a cDNA clone coding for a sea urchin histone H2A variant related to the H2A.F/Z histone protein in vertebrates.  Nucl. Acid Research (1987) 15:4629-4644. [pdf]

Pittman, D. and Ernst, S.G.  Developmental time, cell lineage and environment regulate abundant and newly synthesized proteins in sea urchin embryos.  Dev. Biol. (1984) 106: 236-242. [pdf]

Garcia, R., Paz-Aliaga, B., Ernst, S.G., Crain, W.R.  Three sea urchin actin genes show different patterns of expression: Muscle-specific, embryo-specific, and constitutive. Molecular and Cellular Biology (1984) 4: 840-845. [pdf]

Ernst, S.G., Hough-Evans, B.R., Britten, R.J., Davidson, E.H. Limited complexity of the RNA in micromeres of sixteen-cell sea urchin embryos.  Dev. Biol. (1980) 79: 119-127. [pdf]

Ernst, S.G., Britten, R.J., Davidson, E.H.  Distinct single-copy sequence sets in sea urchin nuclear RNAs.  Proc. Natl. Acad. Sci. USA (1979) 76: 2209-2212. [pdf]

Hough-Evans, B.R., Ernst, S.G., Britten, R.J., Davidson, E.H.  RNA complexities in developing sea urchin oocytes.  Dev. Biol. (1979) 69:  258-269. [pdf]

Ernst, S.G., Oleinick, N.L., Rustad, R.C., Greenblatt, R.M. Selective inhibition of ribosomal RNA synthesis in gamma-irradiated Tetrahymena pyriformis.  Biochim. Biophys. Acta (1979)  563: 193-205.

Hough-Evans, B.R., Wold, B.J., Ernst, S.G., Britten, R.J., Davidson, E.H. Appearance  and persistence of maternal RNA sequences in sea urchin development.  Dev. Biol. (1977) 60: 258-277. [pdf]

Ernst, S.G. and Oleinick, N.L.  Actinomycin D in Tetrahymena:  Non-specific inhibition of RNA synthesis and primary and secondary effects on protein synthesis.  Expt. Cell Res.  (1977) 110: 363-373. [pdf]

Kaulenas, M.S., Ernst, S.G., Bosselman, R.A., Burns, A.L., Yenofsky, R.L. Streptomycin: Separation of polysomal and nonpolysomal messenger ribonucleoproteins.  Biochim. Biophys. Acta (1977) 478: 81-89.

Ernst, S.G., Rustad, R.C., Oleinick, N.L.  Radiation-induced inhibition of RNA synthesis in Tetrahymena pyriformis.  Int. J. Radiat. Biol. (1975) 28:  67-74.



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