Mechanism for Mimosa leaf-curling?

John Hewitson john_hewitson at
Tue Oct 2 10:40:16 EST 2001

Hi Plant-edders,

In I explained the 
mechanism behind the sensitive leaf curl of Mimosa in terms of change in 
turgor pressure.

A member of the public has emailed me to suggest that the current 
thinking is that it involves contractile proteins in the cytoskeleton.

Can you shed any light on this please?



Dr. John Hewitson
Science and Plants for Schools (SAPS)
Homerton College
Cambridge CB2 2PH  UK
email: hom-saps at
Tel: +44 (0)1223 507168
Fax: +44 (0)1223 215004
web site:


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