Document Detail

Perception of dimethyl sulfide (DMS) by loggerhead sea turtles: a possible mechanism for locating high-productivity oceanic regions for foraging.
MedLine Citation:
PMID:  23014568     Owner:  NLM     Status:  In-Data-Review    
During their long-distance migrations, sea turtles of several species feed on jellyfish and other invertebrates that are particularly abundant in ocean regions characterized by high productivity. An ability to distinguish productive oceanic regions from other areas, and to concentrate foraging activities in locations where prey density is highest, might therefore be adaptive. The volatile compound dimethyl sulfide (DMS) accumulates in the air above productive ocean areas such as upwelling and frontal zones. In principle, DMS might therefore serve as an indicator of high prey density for turtles. To determine whether turtles perceive DMS, juvenile loggerhead sea turtles (Caretta caretta) were placed into a water-filled arena in which DMS and other odorants could be introduced to the air above the water surface. Turtles exposed to air that had passed over a cup containing 10 nmol l(-1) DMS spent more time at the surface with their noses out of the water than control turtles, which were exposed to air that had passed over a cup containing distilled water. Odors that do not occur in the sea (cinnamon, jasmine and lemon) did not elicit increased surface time, implying that the response to DMS is unlikely to reflect a generalized response to any novel odor. The results demonstrate for the first time that sea turtles can detect DMS, an ability that might enable the identification of favorable foraging areas.
Courtney S Endres; Kenneth J Lohmann
Related Documents :
24972658 - Different compositions of pharmaceuticals in dutch and belgian rivers explained by cons...
22319388 - Detection of hydrofluoric acid by a sio2 sol-gel coating fiber-optic probe based on ref...
16741118 - Neodymium isotope evidence for a chondritic composition of the moon.
24996018 - Stabilizer effects on the synthesis of gold-containing microparticles. application to t...
15464798 - Electrical properties of multilayers from low- and high-molecular-weight polyelectrolytes.
11271838 - Toxicological evaluation of commercial mineral water bottled in polyethylene terephthal...
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of experimental biology     Volume:  215     ISSN:  1477-9145     ISO Abbreviation:  J. Exp. Biol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-09-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0243705     Medline TA:  J Exp Biol     Country:  England    
Other Details:
Languages:  eng     Pagination:  3535-8     Citation Subset:  IM    
Department of Biology, University of North Carolina at Chapel Hill, CB#3280, Coker Hall, Chapel Hill, NC 27599, USA.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Bortezomib and dexamethasone consolidation following risk-adapted melphalan and stem cell transplant...
Next Document:  A flavonol present in cocoa [(-)epicatechin] enhances snail memory.