Affiliation:
1. Department of Biology, Washington University in Saint Louis, Saint Louis, MO 63130, USA.
Abstract
Metered rehydration in pollen grains
When a desiccated pollen grain lands on fertile territory, it rehydrates on the way to activating its growth and metabolic processes. Studying the small plant
Arabidopsis
, Hamilton
et al.
have identified a mechanosensory ion channel that responds to the distention of the plasma membrane as the pollen grain rehydrates. With this channel damaged or absent, the pollen grains germinated overenthusiastically but then showed a tendency to burst.
Science
, this issue p.
438
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
175 articles.
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