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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 2 of 2 (0.029 seconds)Spelling suggestions: "subject:"lyotropic""
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The Physiological Roles of Rhopr-kinins and the Molecular Characterization of their Gene in the Blood-gorging Insect, Rhodnius prolixusBhatt, Garima 20 November 2012 (has links)
The dramatic feeding-related activities of the Chagas' disease vector, Rhodnius prolixus are under neurohormonal regulation of serotonin and various neuropeptides. One such family of neuropeptides, the insect kinins, possesses diuretic, digestive and myotropic activities in many insects. In R. prolixus, they co-localize with the corticotropin-releasing factor (CRF)-like diuretic hormone (DH) in neurosecretory cell bodies and their abdominal neurohaemal sites. Additionally, kinins are present in endocrine cells of the midgut and are known to stimulate hindgut and midgut contractions. Through the experimentation presented in this dissertation, the cloning and spatial expression of the R. prolixus kinin (Rhopr-kinin) transcript is described. Physiological bioassays demonstrate the myostimulatory effects of selected Rhopr-kinin peptides and also illustrate the augmented responses of hindgut contractions to co-application of Rhopr-kinin and Rhopr-CRF/DH. The irreversible effects of two synthetic kinin analogs on the hindgut relative to the native kinins also exhibit the prospective biotechnological significance of this study.
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The Physiological Roles of Rhopr-kinins and the Molecular Characterization of their Gene in the Blood-gorging Insect, Rhodnius prolixusBhatt, Garima 20 November 2012 (has links)
The dramatic feeding-related activities of the Chagas' disease vector, Rhodnius prolixus are under neurohormonal regulation of serotonin and various neuropeptides. One such family of neuropeptides, the insect kinins, possesses diuretic, digestive and myotropic activities in many insects. In R. prolixus, they co-localize with the corticotropin-releasing factor (CRF)-like diuretic hormone (DH) in neurosecretory cell bodies and their abdominal neurohaemal sites. Additionally, kinins are present in endocrine cells of the midgut and are known to stimulate hindgut and midgut contractions. Through the experimentation presented in this dissertation, the cloning and spatial expression of the R. prolixus kinin (Rhopr-kinin) transcript is described. Physiological bioassays demonstrate the myostimulatory effects of selected Rhopr-kinin peptides and also illustrate the augmented responses of hindgut contractions to co-application of Rhopr-kinin and Rhopr-CRF/DH. The irreversible effects of two synthetic kinin analogs on the hindgut relative to the native kinins also exhibit the prospective biotechnological significance of this study.
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