Supplementary information
From the following article
Mixture of new sulfated steroids functions as a migratory pheromone in the sea lamprey
Peter W Sorensen, Jared M Fine, Vadims Dvornikovs, Christopher S Jeffrey, Feng Shao, Jizhou Wang, Lance A Vrieze, Kari R Anderson & Thomas R Hoye
Nature Chemical Biology 1, 324 - 328 (2005) Published online: 2 October 2005
doi:10.1038/nchembio739
Supplementary Fig. 1
1H NMR comparison spectra (in CD3OD at 500 MHz) for various samples of natural and synthetic PADS.
Supplementary Fig. 2
Map of the Ocqueoc River plume (a major lamprey spawning stream which enters Lake Huron) on May 1, 2002 showing the track of an acoustically tagged sea lamprey that approached the river.
Supplementary Methods
Supplementary Discussion
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