Arabidopsis thaliana
Thigmomorphogenesis (Touch response)

In 1990, Janet Braam and Ronald W. Davis determined that A. thaliana exhibits thigmomorphogenesis in response to wind, rain and touch. Four or more touch induced genes in A. thaliana were found to be regulated by such stimuli. In 2002, Massimo Pigliucci found that A. thaliana developed different patterns of branching in response to sustained exposure to wind, a display of phenotypic plasticity.
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