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RIGHT : Chloe Weinstock '17 on Falkkor over the Mariana Trench, 2014 |
PROF.
PAUL H. YANCEY Research
with Dr. Yancey is in 2 broad areas Click for information on |
DEEP-SEA Research, L-to-R: Ray Andrell '07on the Atlantis with the Alvin sub (2006); Carrie Laxson '10 with giant cuskeel on R/V Point Sur (2009); Mackenzie Gerringer '12 on the Kaharoa with a news-making supergiant amphipod (2011) ; Anna Downing '16 on the Falkokr with supergiant at Mariana Trench (2014) |
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RESEARCH:
Some students work off-campus over the summer or while studying abroad,
in physiology and medical laboratories and marine stations around the
world. They then work with Prof. Yancey on data analysis and thesis
writing.
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RESEARCH: Some students work with Professor Yancey in his laboratory in the
summer and/or academic year. Projects are usually in his research area
of environmental stresses and adaptations, mainly in osmoregulation.
Most of the research in Prof. Yancey's laboratory focuses on organic osmolytes, small molecules that build up osmotic pressure inside cells to prevent
osmotic water loss, while at the same time not disturbing cell
functions.
Many osmolytes have other functions such as stabilizing proteins and
membranes, both in nature and in biotechnology and medicine. For
example, Dr. Yancey and his students and colleagues have found that
some osmolytes protect our kidneys from toxic wastes and others help
animals in the deep sea resist pressure inhibition of proteins. He has
also assisted medical researchers in using osmolytes to treat diseases
such as cystic fibrosis.
See Prof.
Yancey's Home Page for details.
RECENT EXAMPLES OF STUDENT THESES, COPYRIGHT PROTECTED:
Laxson*, C., N. E. Condon, J. C. Drazen, and P.H. Yancey (2011). Decreasing urea:methylamine ratios with depth in Chondrichthyes: A physiological depth limit? Physio. Biochem. Zool.84:494-505 online pre-publication
Moran*, Hiram. 2012. Analysis of Mercury in Deep-sea Grenadier
Gerringer*, M.E., Drazen, J.C., Summers, A.P., Linley, T.D., Jamieson, A.J., Yancey, P.H. (2017). Distribution, composition, and functions of gelatinous tissues in deep-sea fishes. Royal Soc. Open Sci. 4: 171063
Downing*, A.B., G.T. Wallace*, Paul H. Yancey (2018). Organic osmolytes of amphipods from littoral to hadal zones: Increases with depth in trimethylamine N-oxide, scyllo-inositol and other potential pressure counteractants. Deep-Sea Res. I, In Press, available online
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Many
students have
participated in deep-sea and other marine research on the Wecoma, Thompson, and Atlantis with the Alvin submersible,
and lab/field research at Oregon State University, Mt.
Desert Island Biological Lab (Maine), Stanford's Hopkins Marine Station
and
Monterey Bay Aquarium Res. Inst. (Monterey/Moss Landing CA), Univ.
Hawai'i Manoa, Hawai'i Inst. Marine Biology, Yucatan Mexico reefs, Univ. St. Andrews Examples of Marine Projects:
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Coconut I. (Hawai'i Inst. Mar. Bio.) 2012 below: Alfredo Villasenor in Scotland to work on eel osmolytes and Kelly Peterson (rightmost person in photo) inspecting coral tanks on Coconut I. . |
Matt Gillett in 1996 helps collect deep-sea fish aboard the Wecoma |
. Wendy Blake and James Conley, at the Hopkins Marine Station (8/99 and 8/00), where we have conducted high-pressure work |
Amber Fyfe-Johnson pressurizes an enzyme from a deep-sea fish (8/98) |
Liza Mathias and Jeanette Fiess Tilapia research in Hawai'i 2004 |
Ray Andrell and Steven Ly seal a high-pressure chamber for fish in J. Drazen's lab at U. Hawai'i (5/06) |
Carrie Laxson and Kristianne Chavez Coral preservation research in Hawai'i 2009 |
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Some students have worked on the
mechanisms that allow kidney/brain cells to tolerate high levels of urea and/or
salt. This involves organic
osmolytes such as betaine, sorbitol,
glycerophosphorylcholine, and inositol.
PROJECTS INCLUDE: |
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Normal kidney cells growing in culture; cells exposed to 1mM ibuprofen (pictures from Karen Pantilat's 1996 research project on analgesics) |
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ABOVE: Anna Downing '16 presents our work at the International Deep-Sea Biology Symposium, Aveiro, PORTUGAL -- Sept. 2016 (city in picture is Porto, where the banquet was held) | ABOVE: Carrie Laxson '10 and Kristianne Chavez '10 present their deep-sea fish / coral research at the International Deep-Sea Biology Symposium, Reykjavik, ICELAND, Jun. 2010 Laxson*, C., N. E. Condon, J. C. Drazen, and P.H. Yancey (2011). Decreasing urea:methylamine ratios with depth in Chondrichthyes: A physiological depth limit? Physio. Biochem. Zool.84:494-505; see REFS below |
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ABOVE: Mackenzie Gerringer in Wellington NZ, Dec. 2012. She presented our results (talk) at the 13th Deep-Sea Biology Symposium (where we also heard and talked to James Cameron about his record submarine dive). | ABOVE LEFT: Garth Brand and Athena Samerotte present their deep-sea fish research at the 13th Annual Murdock Undergraduate Science conference, Portland, 2004 MIDDLE ABOVE: Maria Aunon and Vanessa Walker present their work to government officials (NSF, Congress) at the 4th Annual Posters-on-the-Hill Conference, Washington DC, Apr. 2000 FAR RIGHT ABOVE: Jeanette Fiess, Jennifer Hom and Hilary Hudson present their work at the 2nd International Hydrothermal Vent Symposium, Brest, FRANCE, Oct. 2001 |
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LEFT: Matt Gillett presents his poster at the Society for Integrative and Comparative Biology, 1996 in Albuquerque; and studies high-pressure effects on a deep-sea fish enzyme at the Hopkins Marine Station NEAR RIGHT: Noah Rosenberg presents a poster on our deep-sea research in Mt. Buller, AUSTRALIA, at the 6th Internat'l. Congress on Comparative Physiology and Biochemistry, Feb. 2003. FAR RIGHT-->Jenni Rohr presents her poster on diabetes-related work at the 33rd Internat'l Congress of Physiol. Sciences, St. Petersburg, RUSSIA |
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PUBLICATIONS
with
undergraduate co-authors* and former students**:
MARINE Research:
KIDNEY/BRAIN Research:
Go to Top of Page; GO TO Prof. Yancey's Home Page; GO TO Whitman Biology Home Page