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Freeze avoidance: a dehydrating moss gathers no ice

Lenne, Thomas; Bryant, Gary James; Hocart, Charles; Huang, Cheng; Ball, Marilyn

Description

Using cryo-SEM with EDX fundamental structural and mechanical properties of the moss Ceratodon purpureus (Hedw.) Brid. were studied in relation to tolerance of freezing temperatures. In contrast to more complex plants, no ice accumulated within the moss during the freezing event. External ice induced desiccation with the response being a function of cell type; water-filled hydroid cells cavitated and were embolized at -4 °C while parenchyma cells of the inner cortex exhibited cytorrhysis,...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/20888
Source: Plant Cell and Environment
DOI: 10.1111/j.1365-3040.2010.02178.x

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