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Home / Cryoletters, Volume 31, Number 3

Free Content Ice-Active Proteins from New Zealand Snow Tussocks, Chionochloa Macra and C. Rigida

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Authors: Wharton, D.A.; Selvanesan, L.; Marshall, C.J.

Source: Cryoletters, Volume 31, Number 3, May 2010, pp. 239-248(10)

Publisher: Cryoletters

The ice active protein profile of New Zealand snow tussocks Chionochloa macra and C. rigida consisted of ice nucleation activity but no antifreeze or recrystallization inhibition activity. The ice nucleation activity was similar in the two species, despite them being collected at different altitudes and at different times. The activity is intrinsic to the plant and is associated with the surface of the leaves. Snow tussocks collect water from fog. Nucleation sites on the surface of their leaves may aid the efficiency of this process.

Keywords: ANTIFREEZE PROTEIN; FOG COLLECTION; ICE NUCLEATORS; RECRYSTALLIZATION INHIBITION; THERMAL HYSTERESIS

Document Type: Miscellaneous

Publication date: 01 May 2010

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  • CryoLetters is a bimonthly international journal for low temperature sciences, including cryobiology, cryopreservation or vitrification of cells and tissues, chemical and physical aspects of freezing and drying, and studies involving ecology of cold environments, and cold adaptation

    The journal publishes original research reports, authoritative reviews, technical developments and commissioned book reviews of studies of the effects produced by low temperatures on a wide variety of scientific and technical processes, or those involving low temperature techniques in the investigation of physical, chemical, biological and ecological problems.

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