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R/A-01
The gonadotropin-releasing hormone (GnRH) System of striped bass: Endocrine, molecular and applied studies
Principal Investigator:
Yonathan ZoharStart/End Year:
2000 - 2002Institution:
Center of Marine Biotechnology, University of Maryland Biotechnology InstituteTopic(s):
Description:
1. To study interactions between analogs of the striped bass native GnRHs and their receptor, in order to tailor a physiologically-compatible spawning induction therapy based on analogs of the most relevant and potent GnRHs and their optimal delivery pattern. 2. To continue studying the regulation of the synthesis and release of the endogenous GnRHs in striped bass, in order to understand the mechanisms underlying captivity-induced impairment of the GnRH system and the "repair" effect of an exogenous GnRH therapy.
Related Publications:
Yonathan, Z; Tal, Y; Schreier, H; Steven, C; Stubblefield, J; Place, A. 2005. Commercially feasible urban recirculating aquaculture: addressing the marine sector. Costa-Pierce, B; Desbonnet, A; Edwards, P; Baker, D, eds. Urban Aquaculture. CAB International.Chapter 10:159 -171. UM-SG-RS-2005-27.
Wong, TT; Gothilf, Y; Zmora, N; Kight, KE; Meiri, I; Elizur, A; Zohar, Y. 2004. Developmental expression of three forms of gonadotropin-releasing hormone and ontogeny of the hypothalamic-pituitary-gonadal axis in Gilthead Seabream (Sparus aurata). Biology of Reproduction71(3):1026 -1035. doi:10.1095/biolreprod.104.028019. UM-SG-RS-2004-04.
Steven, C; Lehnen, N; Kight, K; Ijiri, S; Klenke, U; Harris, WA; Zohar, Y. 2003. Molecular characterization of the GnRH system in zebrafish (Danio rerio): cloning of chicken GnRH-II, adult brain expression patterns and pituitary content of salmon GnRH and chicken GnRH-II. General and Comparative Endocrinology133(1):27 -37. doi:10.1016/S0016-6480(03)00144-8. UM-SG-RS-2003-28.
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Featured Fellow
Leone Yisrael is a cephalopod-loving scuba diver, cook, and loves to try new activities. She conducts genetic analysis and fieldwork at the Smithsonian Environmental Research Center through the Coastal Disease Ecology Lab.
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Developing a habitat model for mysids, an important link in Chesapeake Bay food webs
Mysids are important mesozooplankton prey for many species of fish in Chesapeake Bay and are an important link in transferring energy from lower to upper trophic levels. Mysids also serve as biological vectors for benthic-pelagic coupling due to their diel vertical migration and omnivorous prey-switching behavior, which makes mysids important regulators of food web architecture. Despite their central role in coastal food webs, surprisingly little is known about mysid ecology and dynamics in Chesapeake Bay.
Chesapeake Quarterly Magazine
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