能源植物柳枝稷功能基因改良研究进展

摘要

An energy crop with a tremendous potential ,Switchgrass (Panicum virgatum) ,has been gradually used as a model plant for the related research .Recently ,genetic methods were applied to select the genotypes with high biomass ,low lignin ,high ethanol conversion rate and resistance in order to improve its applications in the are a of biological energy .The present paper attempted to provide relevant references for the future development on the breeding of switchgrass . The functional genes that might be applicable for the enhancement of the biomass production ,the saccharification efficiency ,and/or the resistance to stresses ,as well as related genetic methods are included .%柳枝稷 Panicum virgatum被认为是一种具有巨大发展潜力的生物质能源作物，逐渐成为能源植物研究较为理想的模式植物，应用基因工程对柳枝稷进行基因改良，选育出适宜作为能源植物开发的品种是提高柳枝稷功能的重要技术手段。本文从改变植物形态、增加生物量，降低木质素含量、提高糖化效率以及提高生物胁迫耐受性等3个方面分析柳枝稷相关的基因功能研究，阐述可利用的相应基因工程手段，以期为更好地培育、开发能源植物柳枝稷新品种提供参考。