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2008 Edwin W. Pauley Summer Program in Marine Biology
Hormones and the Environment
July - August, 2008
The 2008 Edwin W. Pauley Summer Program in Marine Biology, entitled “Hormones and Environment”, focused on developing a better understanding of the mechanisms by which marine vertebrates are able to adapt to changing environments and environmental conditions and developing techniques to measure these adaptations both qualitatively and quantitatively. An important component for our consideration was how environmental salinities affect teleosts on the levels of the cell, organ, and whole organism.
Thirteen visiting researchers and 18 graduate, undergraduate students and post-doctoral fellows from Japan and the U.S. participated in the 24th Annual Edwin W. Pauley Foundation Summer Program in Marine Biology at Coconut Island. Besides providing opportunities for students to conduct research in environmental physiology of marine animals, we had three major goals. The first goal was to review current information and discuss future research directions. This goal was met through attendance of 20 high quality lectures covering cutting edge research on a variety of fields including islet cell transplant for diabetes research, large scale breeding of hybrid striped bass, passive tracking of hammerhead sharks, and cellular adaptation to changing salinities in several organs and organisms. Our second goal was to provide students with the cognitive and technical skills that will enable them to thrive in their profession. This goal was met by a variety of different workshops throughout the summer; these included establishing ovulation stage and manual stripping of female tilapia, developing a novel technique to cannulate the esophagus of tilapia, comparative anatomy of reef fishes, gen cloning techniques, and establishment of a reporter gene assay system. Also, the graduate and undergraduate students participated in several on going research projects that were being conducted throughout the summer. Our last goal was to advance the state of knowledge through the publication of results of student research in peer-reviewed scientific journals. We have 3 original papers either in press or submitted and 3 (Lori feed, Jason, Kai) original papers in preparation as a result of the experiments conducted during the summer program. Furthermore, we have 4 (Lori, Andre, Jason) follow-up experiments in progress.
We thank the Pauley Foundation for their generous and continuing support of this summer program. The Pauley funds helped support the research as well as travel, housing costs and meal allowance for all visiting faculty and students. Dr. Stephen Pauley covered the travel expenses for two students from Pomona College. In addition, several participants were able to cover their own travel expenses.
E. Gordon Grau, Ph.D.
Director of Hawaii Sea Grant
Professor of Zoology
FACULTY |
| Dr. Lori Davis, Hawaii Institute of Marine Biology, University of Hawaii, Manoa, USA |
| Dr. E. Gordon Grau, Director, Sea Grant Hawaii / Professor, University of Hawaii, Manoa, USA |
| Dr. Tetsuya Hirano, Hawaii Institute of Marine Biology, University of Hawaii, Manoa, USA |
| Dr. Susumu Hyodo, Ocean Research Institute, University of Tokyo, Japan |
| Dr. Taisen Iguchi, National Institute for Basic Biology, Japan |
| Dr. Toyoji Kaneko, University of Tokyo, Japan |
| Dr. Yoshinao Katsu, National Institute of Basic Biology, Japan |
| Dr. Steve McCormick, United States Geological Survey, Conte Anadromous Fish Research Center, USA |
| Dr. Masatoshi Mita, Tokyo Gakugei University, Japan |
| Dr. Kanta Mizusawa, Kitasato University, Japan |
| Dr. Shunsuke Moriyama, Kitasato University, Japan |
| Dr. Tatsuya Sakamoto, Okayama University, Japan |
| Dr. Larry Riley, California State University, Fresno, USA |
| Dr. Jennifer Specker, University of Rhode Island, USA |
| Dr. Craig Sullivan, North Carolina State University, USA |
| Dr. Lisa Tanguay, University of Alberta, Canada |
| Dr. Phillip Veillette, University of Rhode Island, USA |
| Dr. Takashi Yada, National Research Institute of Fisheries Science, Japan |
| note: lead faculty in bold |
STUDENT PARTICIPANTS |
| Elizabeth Cerny-Chipman, Pomona College, USA |
| Joseph Chadwick, University of Massachusetts Anadromous Fish Research Center, USA |
| Sonia Fang, Pomona College |
| Whitney Janzen, California State University, Fresno, USA |
| Shizuka Kawatsu, University of Tokyo, Japan |
| Kyung Mi Lee, University of Tokyo, Japan |
| Mekuchi Miyuki, University of Tokyo, Japan |
| Benjamin Reading, North Carolina State University, USA |
| Andre Seale, Hawaii Institute of Marine BIology, University of Hawaii, Manoa, USA |
| Sohichiro Takabe, University of Tokyo, Japan |
| Chiyo Takagi, University of Tokyo, Japan |
| Hideya Takahashi, University of Tokyo, Japan |
| Soichi Watanabe, University of Tokyo, Japan |
| Yoko Yamaguchi, University of Tokyo, Japan |
SEMINAR PRESENTATION SCHEDULE
| Wed 7/9 | Dr. Larry Riley | Investigations into ghrelin’s role in regulating fish growth & metabolism |
| Wed 7/9 | Mr. Joe Chadwick | Nuclear Receptor Coactivators and Steroid Hormone Action in Brain |
| Thurs 7/10 | Dr. Lisa Tanguay | Islet transplantation: Past, present and future directions |
| Fri 7/11 | Dr. Phil Veillette | Osmoregulation in summer flounder |
| Mon 7/14 | Dr. Steve McCormick | Preparing for the Sea: the Physiology and Endocrinology of Juvenile |
| Anadromous Fish | ||
| Wed 7/16 | Dr. Jennifer Specker | Biology and endocrinology of metamorphosis in the summer flounder |
| Fri 7/18 | Dr. Mita | Hormonal regulation of oocyte maturation in starfish |
| Wed 7/23 | Dr. Takashi Yada | Differential expression of corticosteroid receptor genes in osmoregulatory |
| and immune tissues in fish | ||
| Thurs 7/24 | Dr. Toyoji Kaneko | Recent advances in chloride cell research |
| Thurs 7/24 | Ms. Shizuka Kawatsu | Shark data logger work |
| Fri 7/25 | Ms. Yoko Yamaguchi | Molecular histochemical study on urea reabsorption mechanism in shark kidney |
| Fri 7/25 | Dr. Susumu Hyodo | Recent progress in shark osmoregulation |
| Mon 7/28 | Ms. Miyuki Mekuchi | Seawater-acclimated eel evacuate carbonate mineral as “calcium cake” |
| for hypoosmoregulation | ||
| Mon 7/28 | Dr. Soichi Watanabe | Osmoreception and water channel in fish |
| Wed 7/30 | Dr. Kyung Mi Lee | Eel leptocephali regulate ion and water balances |
| Wed 7/30 | Mr. Hideya Takahashi | Osmoregulation in the esophagus of tilapia |
| Mon 8/4 | Dr. Kanta Mizusawa | Melanin-concentrating hormone in fish |
| Wed 8/5 | Dr. Craig Sullivan | Selective Breeding and Breeding Biotechnology for the Hybrid Striped |
| Bass Industry: Status and Directions | ||
| Fri 8/8 | Dr. Ben Reading | Reproduction of white perch: multiple egg yolk precursors (vitellogenins) |
| and their receptors | ||
| Wed 8/20 | Dr. Yoshi Katsu | Evolution of estrogen receptors in fishes |
| Wed 8/20 | Dr. Taisen Iguchi | Daphnia magna as a model species for endocrine disruption research |
PROGRAM REPORT
Grau EG (2008) Hormones and the environment: Final report the 2008 Edwin W. Pauley Summer Program in Marine Biology. Kaneohe, Hawaii. 14 pp. (Download the report here)
PHOTO GALLERY
Coming soon. Please send any scanned photos from the Pauley Summer Program to erik.franklin@hawaii.edu.
PUBLICATIONS
A list of publications that directly or indirectly resulted from scientific concepts, training, or research experiences during the Pauley Summer Program.
Riley, L.G., Fox, B.K., Breves, J.P., Kaiya, H., Dorough, C.P., Hirano, T., and E.G. Grau, 2008. Absence of effects of short-term fasting on plasma ghrelin and brain expression of ghrelin receptors in the tilapia, Oreochromis mossambicus. Zool. Sci. 25, 821-827.
Davis, L.K., Visitacion, N., Riley, L.G., Hiramatsu, N., Sullivan, C.V., Hirano, T., Grau, E.G., 2009. Effects of o,p’-DDE, heptachlor, and 17b-estradiol on vitellogenin gene expression and the growth hormone/insulin-like growth factor-I axis in the tilapia, Oreochromis mossambicus. Comparative Biochemistry and Physiology, C., in press.
Uchida, K., Moriyama, S., Breves, J.P., Fox, B.K., Pierce, A.L., Borski, R.J., Hirano, T., Grau, E.G., 2009. cDNA cloning and isolation of somatolactin in Mozambique tilapia and effects of seawater acclimation, confinement stress, and fasting on its pituitary expression. General and Comparative Endocrinology, in press.
Fox, B.K., Breves, J.P., Hirano, T., Grau, E.G., 2009. Effects of short- and long-term fasting on plasma and stomach ghrelin, and the growth hormone/insulin-like growth factor I axis in the tilapia, Oreochromis mossambicus. Domestic Animal Endocrinology, in press.
Kawatsu, S., Sato, K., Hyodo, S., Watanabe, Y., Breves, J.P., Fox, B.K., Grau, E.G., Miyazaki N., 2008. Swimming behavior of juvenile scalloped hammerhead sharks (Sphyrna lewini ) in response to a predator. Proceeding of Japan Elasmobranch Society, in press.
Watanabe, S., Hirano, T., Grau, E.G., and T. Kaneko (2009): Osmosensitivity of prolactin cells is enhanced in conjunction with increases in the expression of the water channel aquaporin-3 in a euryhaline teleost fish, Mozambique tilapia (Oreochromis mossambicus). American Journal of Physiology, submitted.
Davis, L.K., Fox, B.K., Lim, C., Hiramatsu, N., Sullivan, C.V., Hirano, T., Grau, E.G. Commercial fish diets induce vitellogenesis in male tilapia (Oreochromis mossambicus): a consideration for endocrine disruptor studies. In preparation, to be submitted to Environmental Science and Technology.
Breves, J.P., Hasegawa, S., Yoshioka, M., Fox, B. K., Davis, L.K., Takei, Y., Hirano, T., and E.G. Grau (2009): Osmoregulatory and endocrine responses of two species of cichlid fish, Mozambique tilapia and Nile tilapia, exposed to hyperosmotic environment. In preparation, to be submitted to Comparative Biochemistry and Physiology.
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