Can we create “Elite Rice”—a multifunctional crop for food, feed, and bioenergy production?

Sustainable Chemical Processes

Khanok Ratanakhanokchai¹  Paripok Phitsuwan¹ 

[1]Division of Biochemical Technology, School of Bioresources and Technology, King Mongkut’s University of Technology Thonburi, Bangkuntien, Bangkok 10150, Thailand

关键词: Nutrient recycling;    Glycoside hydrolase;    Quantitative trait loci;    Lignin;    Bioenergy;    Straw;    Cellulose content;    Stress tolerance;    Grain yield;    Rice;   

Others  :  789158
DOI  :  10.1186/2043-7129-2-10

 received in 2013-11-27, accepted in 2014-04-11,  发布年份 2014

【 摘 要 】

Because arable land is limited, land use for food and bioenergy production remains a controversial issue. If food crops can generate high yields and the biomass can also be used effectively for both animal feed and bioenergy production feedstock, conflicts over land use can be reduced. Rice is an important crop; as a worldwide staple food with abundant residuals (polysaccharide-rich straw) after grain collection, this crop plant is attractive as a renewable raw material for bioenergy and feed production. Here, we address current issues and discuss promising methods for improving rice plant characteristics suitable for food, feed, and bioenergy production. Advanced genetic engineering techniques can be used to precisely manipulate the mechanisms regulating grain production, cellulose and lignin content, and stress tolerance. In addition, genetic modification of the mechanisms controlling glycoside hydrolase expression can enhance biomass saccharification for bioenergy production and improved animal digestibility. We also address the issue of nutrient recycling associated with rice straw utilisation for biofuel production.

【 授权许可】

   
2014 Phitsuwan and Ratanakhanokchai; licensee Chemistry Central Ltd.

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