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Articles 1 - 4 of 4
Full-Text Articles in Molecular Biology
The Effects Of Gibberellic Acid And Auxin Hormones On Heliotropism In Sunflowers, Brandon Bernardo, Hagop S. Atamian
The Effects Of Gibberellic Acid And Auxin Hormones On Heliotropism In Sunflowers, Brandon Bernardo, Hagop S. Atamian
Student Scholar Symposium Abstracts and Posters
Sunflowers are one of many different plant species that are able to track and face the sun in order to optimize the amount of sunlight they are exposed to. This process of orienting towards the sun is called Heliotropism. Sunflowers are able to effectively orient themselves towards the sun because the growth rate on the East and West side of the stem alternates depending on the time of day. At dawn, the East facing stem will grow at a faster rate than the West facing side, resulting in the flower orienting towards the West. This alternating and uneven growth is …
The Role Of Exosomes In Prostate Field Cancerization, Julie Nguyen
The Role Of Exosomes In Prostate Field Cancerization, Julie Nguyen
Student Scholar Symposium Abstracts and Posters
Field cancerization is formally defined as the presence of molecular alterations in structurally normal tissues adjacent to tumors. Currently, the etiology of prostate field cancerization is still unknown. We hypothesize that exosomes (vesicles excreted by cells that may contain protein, lipids, or RNA) are released by tumors and are endocytosed by adjacent normal cells converting them into abnormal cells, thereby aiding cancer progression. The following biomarkers have been associated with field cancerization: MIC-1, PDGF-A, FASN, and EGR-1, while markers for exosomes are CD-9, CD-63, and PSMA. To test this hypothesis, exosomes were isolated from human prostate cancer cell models LNCaP …
Connecting The Physiological And Behavioral Response To Heat Stress On A Warming Planet, Anastasia Kalyta
Connecting The Physiological And Behavioral Response To Heat Stress On A Warming Planet, Anastasia Kalyta
Student Scholar Symposium Abstracts and Posters
Intertidal communities are considered good models of the biological effects of climate change on ecosystems, as their resident organisms are subjected to heat spells during daytime low tides. The increasing heat exposure can elicit behavioral as well as physiological responses in intertidal organisms. We studied the relationship between these responses to heat stress in the blue-banded hermit crab, Pagurus samuelis, by inducing a “heat shock” with elevated water temperature of 29 °C for 2.5 h. The behavioral effect of heat-shock was quantified using a 30-minute feeding assay, measuring the mass of a standard squid pellet consumed by individual hermit crabs. …
Dancing Through Life: Allosteric Transitions And Structural Analysis Of Hsp70 And Hsp110 Chaperone Proteins, Gabrielle Stetz, Gennady M. Verkhivker
Dancing Through Life: Allosteric Transitions And Structural Analysis Of Hsp70 And Hsp110 Chaperone Proteins, Gabrielle Stetz, Gennady M. Verkhivker
Student Scholar Symposium Abstracts and Posters
The molecular chaperone protein Hsp70 is centrally involved in cellular homeostasis by assisting in the folding and degradation of protein substrates. Hsp70 is joined by co-chaperones, such as Hsp110, which contribute to specialized tasks of the Hsp70 complex. Imbalances of this heat shock protein system are believed to be involved with the deregulation of cancer pathways and other human diseases. Better understanding of how these heat shock proteins work at the molecular level, which has been investigated using molecular docking tools, will give more clues about biological function. Simulating the formation and function of Hsp70 based chaperone complexes could provide …