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Spectrophotometric determination of nuclear desoxyribonucleic acid in selected tissues of Taricha (Triturus) granulosa granulosa Skilton

Creator:: Truong Thi-Hue, Simone
Resource Type:: Masters Thesis
Full Text:: nuclear material of pus cells in 1869, the structure and chemistry of DNA has been the object of many

Cytophotometric determinations of nuclear DNA content in tissues of the wax moth larva, Galleria mellonella Linnaeus

Creator:: Longo, Frank J., 1939-
Abstract:: The present study was undertaken to determine, by measurement of nuclear DNA, the degrees and frequencies of ploidy in the last larval instar of the moth Galleria mellonella Linnaeus. While such data have been amassed for a wide variety of vertebrate tissues, few studies have been concerned with invertebrates and...
Resource Type:: Masters Thesis
Full Text:: cornponent of the hereditary nuclear material and can be taken as an index of the chrornatin content within

Isolation and characterization of the nuclear histones from developing embryos of the brine shrimp, Artemia salina

Creator:: Lindahl, Alice Marie
Abstract:: Techniques were developed for extracting histones from isolated chromatin of encysted embryos of Artemia salina. Histone extracts from embryos collected at eight time intervals after rehydration and initiation of development were analyzed by electrophoresis for qualitative and quantitative changes in composition. Histone to DNA ratios were determined for the same...
Resource Type:: Masters Thesis
Full Text:: Isolation and characterization of the nuclear histones

The role of avian predators in an Oregon rocky intertidal community

Creator:: Marsh, Christopher P.
Abstract:: Birds affected the community structure of an Oregon rocky shore by preying upon mussels (Mytilus spp.) and limpets (Collisella spp.). The impact of such predation is potentially great, as mussels are the competitively dominant mid-intertidal space-occupiers, and limpets are important herbivores in this community. Prey selection by birds reflects differences...
Resource Type:: Dissertation
Full Text:: ). MATERIALS AND METHODS Collection of diet information I collected 21 Surfbirds and 18 Black Turnstones from

The heat shock response and its regulation in congeneric marine snails (genus Tegula) from different thermal habitats : implications for the limits of thermotolerance and biogeographic patterning

Creator:: Tomanek, Lars
Resource Type:: Dissertation
Full Text:: marine snails (genus Tegula) from different thermal habitats : implications for the limits of

The incidence and development of somatic polyploidy in the marine isopod Idothea wosnesenskii

Creator:: Matlock, Daniel Budd
Abstract:: (Brandt) were surveyed for the presence of polyploid cells. Large polyploid cells were found in the hepatic cecum, gut and sheath of the testis. The relative DNA content of the polyploid nuclei was measured by means of two wavelength cytophotometry. Histograms plotted from the data provide information on the level...
Resource Type:: Dissertation
Full Text:: - grams plotted from the data provide information on the level and range of the nuclear DNA, and on

Ultraviolet radiation as an environmental stressor of amphibians

Creator:: Bancroft, Betsy A.
Abstract:: My thesis explored the effects of and potential mediating mechanisms for an important environmental stressor, ultraviolet-B (UVB) radiation. UVB radiation has negative effects on organisms in both terrestrial and aquatic systems. I used meta-analysis to quantify the effects of UVB radiation on a diversity of aquatic organisms (Chapter 2). UVB...
Resource Type:: Dissertation
Full Text:: . 15 Materials and methods: Data selection We used six electronic databases (BIOSIS, Web of

Aboriginal fishing at Seal Rock (35-LC-14) and Neptune (35-LA-3) : late-prehistoric archaeological sites on the central Oregon coast

Creator:: Zontek, Terry
Abstract:: A sample of fish remains from two late-prehistoric archaeological sites on the central coast of Oregon were analyzed to partially evaluate two models of aboriginal subsistence-settlement systems. One model is based upon ethnograhpic data, primarily Drucker's (1939), for Yakonen speakers collected in the late 19th and early 20th centuries. The...
Resource Type:: Masters Thesis
Full Text:: Summary and Conclusions. 77 Methods of Identification and Materials 79 Results 83 CHAPTER VI Discussion

Onset and breakdown of cnidarian-dinoflagellate symbiosis : a survey of the host transcriptomic response and characterization of the sphingosine rheostat during symbiont colonization and hyperthermal stress

Creator:: Kitchen, Sheila Ann
Abstract:: The symbiosis between cnidarians, such as corals and sea anemones, and photosynthetic dinoflagellates belonging to the genus Symbiodinium spp. is one of the most productive in the marine environment. This mutualistic endosymbiosis allow reef-building corals to lay down the foundation of coral reef ecosystems, which supports a highly biodiverse community...
Resource Type:: Dissertation
Full Text:: Information NF-κB nuclear factor kappa-light-chain-enhancer of activated B cells NO nitric oxide NOD

Immediate effects of acute stress on innate immunity in rainbow trout (Oncorhynchus mykiss)

Creator:: Demers, Nora Egan
Abstract:: This thesis tests the hypothesis that innate immunity may be enhanced immediately following a stressful event. The experiments characterize the acute effects of the fight or flight response on some immunological and endocrine parameters in rainbow trout (Oncorhynchus mykiss). Plasma cortisol and catecholamines were elevated within seconds of the initiation...
Resource Type:: Dissertation
Full Text:: through the plasma membranes of target cells and are thought to act upon cytosolic and nuclear targets

ScholarsArchive@OSU

Spectrophotometric determination of nuclear desoxyribonucleic acid in selected tissues of Taricha (Triturus) granulosa granulosa Skilton

Cytophotometric determinations of nuclear DNA content in tissues of the wax moth larva, Galleria mellonella Linnaeus

Isolation and characterization of the nuclear histones from developing embryos of the brine shrimp, Artemia salina

The role of avian predators in an Oregon rocky intertidal community

The heat shock response and its regulation in congeneric marine snails (genus Tegula) from different thermal habitats : implications for the limits of thermotolerance and biogeographic patterning

The incidence and development of somatic polyploidy in the marine isopod Idothea wosnesenskii

Ultraviolet radiation as an environmental stressor of amphibians

Aboriginal fishing at Seal Rock (35-LC-14) and Neptune (35-LA-3) : late-prehistoric archaeological sites on the central Oregon coast

Onset and breakdown of cnidarian-dinoflagellate symbiosis : a survey of the host transcriptomic response and characterization of the sphingosine rheostat during symbiont colonization and hyperthermal stress

Immediate effects of acute stress on innate immunity in rainbow trout (Oncorhynchus mykiss)

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