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Characterization of putative recognition components of echinoderm coelomic fluid: agglutinins in Strongylocentrotus purpuratus

Creator:: Pierce, Laura G.
Abstract:: Due to an interest in the evolutionary origins of vertebrate mechanisms of immunorecognition, researchers have frequently turned to deuterostome invertebrates as model organisms. The purple sea urchin, Strongylocentrotus purpuratus (Echinodermata: Echinoidea), was selected for this study of putative immunorecognition molecules in a deuterostome invertebrate. Hemagglutinins, molecules which agglutinate red blood...
Resource Type:: Masters Thesis
Full Text:: Strongylocentrotus purpuratus Abstract approved: Redacted for Privacy Christopher J. Bayne Due to an interest in

Sea urchin eggs, Calcium and magnesium flux in dividing sea urchin eggs

Creator:: Kleinschuster, Stephen John
Abstract:: This study was initiated to determine the concentration of magnesium and calcium in dividing eggs of the sea urchin Stroncavocentrotus purpuratus and to explore the relationship between these ions and mitotic events. Samples of developing eggs, maintained at 15°C, were taken at ten-minute intervals from fertilization through the second cleavage,...
Resource Type:: Dissertation
Full Text:: SEA URCHIN EGGS Abstract approved: Redacted for Privacy Dr. :Ernst J. Dornferd This study was

Cyclic uptake of calcium-45 by dividing sea urchin eggs

Creator:: Clothier, Galen Edward
Resource Type:: Dissertation
Full Text:: professor, Dr. Ernst J. Dornfeld, for the training, advice1 assistance and encouragement given me during

The effects of versene on dividing sea urchin eggs

Creator:: Hanson, James Charles
Abstract:: Developing sea urchin eggs (Strongylocentrotus purpuratus), reared at 15° C, were subjected to single 15-minute treatments with disodium versenate in calcium-free sea water, applied at 10-minute intervals, from 4 minutes after insemination to the second cleavage. These versene pulses produced specific degrees of retardation in the mitotic process and delayed...
Resource Type:: Dissertation
Full Text:: action of versene resulting in delay of cleavage was J. related to its calcium chelating properties

The localization of ribo-nucleic acid in the ovary of the prepubertal rat

Creator:: Vincent, Walter Sampson
Resource Type:: Masters Thesis
Full Text:: wishes to express his appreciation to Dr. E. J. Dorrìfeld for his stimulating training and su

The fine structure of spermatid differentiation in the mussel, Mytilus edulis, Linn

Creator:: Longo, Frank J., 1939-
Abstract:: The spermiogenesis of Mytilus edulis (a marine mussel) has been studied, employing techniques of light and electron microscopy and cytochemical preparations. The observations trace the development of the acrosomal complex, the nucleus, the mitochondrial middle-piece, and the flagellum. In early spermatids numerous membrane-bounded proacrosomal vesicles arise from several Golgi complexes...
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy E. J. Dornfeld The spermiogenesis of Mytilus edulis (a marine mussel) has been

A histochemical study of oogenesis in the sea urchin, Strogylocentrotus purpuratus

Creator:: Chatlynne, Louise Geller
Abstract:: Oögenesis in the sea urchin Strongylocentrotus purpuratus was studied by histological methods and by histochemical techniques for polysaccharides, lipids, and nucleic acids Urchins were collected at Yaquina Head, Oregon at regular intervals between April 1966 and March 1967. An attempt was made to correlate seasonal variations in the coastal water...
Resource Type:: Masters Thesis
Full Text:: and Tyler, 1967). Polyribo- sornes that appear to be derived from the nucleolus are extremely

An investigation into the humoral immune response of the ascidian urochordate, Styela montereyensis

Creator:: DeWan, Dale Frederick
Abstract:: Adaptive immune capabilities of the Urochordate S. montereyensis were studied. Animals repeatedly injected with bacteria were bled and the following properties were measured in vitro: agglutinin, bactericidin, bacteria-cell association. Both Gram (+) and Gram (-) bacteria were isolated from the gut of S. montereyensis and used as antigens at 10⁸...
Resource Type:: Masters Thesis
Full Text:: Donna J. Trosper for Dale Frederick De Wan ACKNOWLEDGEMENTS The course of this study has taken many

Acute phase proteins in rainbow trout (Oncorhynchus mykiss)

Creator:: Gerwick, Lena
Abstract:: The acute phase response (APR) includes an early response of the innate immune system to an inflammatory agent. Acute phase proteins (APP) are produced at increased rates in the liver during this response. The APR has been well characterized in mammals, but it is unclear to what degree teleosts mount...
Resource Type:: Dissertation
Full Text:: approved: Christophér J. Bayne The acute phase response (APR) includes an early response of the innate

Community organization and succession in rocky intertidal surfgrass beds

Creator:: Turner, Teresa
Abstract:: Succession and organization of rocky intertidal zone surfgrass beds (Phyllospadix scouleri Hook) were examined experimentally at two sites on the Oregon coast. The interaction of three attributes of the plant -- high persistence, high preemption, and slow recovery -- strongly influences the organization of surfgrass beds. Permanent plots indicate that...
Resource Type:: Dissertation
Full Text:: Turner ACKNOWLEDGEMENTS J. Lucas deserves special thanks. He helped with every apsect of this

ScholarsArchive@OSU

Characterization of putative recognition components of echinoderm coelomic fluid: agglutinins in Strongylocentrotus purpuratus

Sea urchin eggs, Calcium and magnesium flux in dividing sea urchin eggs

Cyclic uptake of calcium-45 by dividing sea urchin eggs

The effects of versene on dividing sea urchin eggs

The localization of ribo-nucleic acid in the ovary of the prepubertal rat

The fine structure of spermatid differentiation in the mussel, Mytilus edulis, Linn

A histochemical study of oogenesis in the sea urchin, Strogylocentrotus purpuratus

An investigation into the humoral immune response of the ascidian urochordate, Styela montereyensis

Acute phase proteins in rainbow trout (Oncorhynchus mykiss)

Community organization and succession in rocky intertidal surfgrass beds

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