Connecting model species to nature: predator-induced long-term sensitization in Aplysia californica
- Maria J. Mason,
- Amanda J. Watkins,
- Jordann Wakabayashi,
- Jennifer Buechler,
- Christine Pepino,
- Michelle Brown and
- William G. Wright
- Corresponding author: wwright{at}chapman.edu
Abstract
Previous research on sensitization in Aplysia was based entirely on unnatural noxious stimuli, usually electric shock, until our laboratory found that a natural noxious stimulus, a single sublethal lobster attack, causes short-term sensitization. We here extend that finding by demonstrating that multiple lobster attacks induce long-term sensitization (≥24 h) as well as similar, although not identical, neuronal correlates as observed after electric shock. Together these findings establish long- and short-term sensitization caused by sublethal predator attack as a natural equivalent to sensitization caused by artificial stimuli.
Footnotes
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Article is online at http://www.learnmem.org/cgi/doi/10.1101/lm.034330.114.
- Received January 12, 2014.
- Accepted June 12, 2014.
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