Genetic Engineering of Cereal Grains with Starch Consisting of More Than 99% Amylase

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  • Kim Hebelstrup
  • Massimiliano Carciofi, 2012 Planteglykobiologi, Danmark
  • Andreas Blennow, Planteglycobiologi, Danmark
Numerous textbooks tell us that plant starches are a mix of two starch types: amylopectin and amylose. We recently succeeded in engineering a cereal crop – a barley line – producing grain starch consisting of more than 99% amylose1.
This amylose-only starch contains a high residual fraction that is resistant to enzymatic degradation, even when gelatinized by cooking. The barley plants producing the grains had a moderate yield loss of 25% in comparison with
other barley plants of the same cultivar. We believe that the method can be applied to produce amylose-only starch in other cereal crops including wheat and corn
Sider (fra-til)7-10
Antal sider4
StatusUdgivet - apr. 2013

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