Heat-stable antifreeze protein from grass

Chris Sidebottom (), Sarah Buckley, Paul Pudney, Sarah Twigg, Carl Jarman, Chris Holt, Julia Telford, Andrew McArthur, Dawn Worrall, Rod Hubbard and Peter Lillford
Additional contact information
Chris Sidebottom: Unilever Research, Colworth House
Sarah Buckley: Unilever Research, Colworth House
Paul Pudney: Unilever Research, Colworth House
Sarah Twigg: Unilever Research, Colworth House
Carl Jarman: Unilever Research, Colworth House
Chris Holt: Unilever Research, Colworth House
Julia Telford: Unilever Research, Colworth House
Andrew McArthur: Unilever Research, Colworth House
Dawn Worrall: Plant Laboratory
Rod Hubbard: Plant Laboratory
Peter Lillford: Unilever Research, Colworth House

Nature, 2000, vol. 406, issue 6793, 256-256

Abstract: Abstract We have discovered an antifreeze protein1 in an overwintering perennial ryegrass, Lolium perenne. The protein is stable at 100 °C and although it is a less effective antifreeze than proteins found in antarctic fish and insects, it is better at preventing ice recrystallization. This property enables grasses to tolerate ice formation in their tissues without being damaged, suggesting that the control of ice-crystal growth rather than the prevention of freezing may have evolved to be the critical factor in their survival at very low temperatures.

Date: 2000
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DOI: 10.1038/35018639

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