SbTRXh1和Sb14-3-3对马铃薯块茎低温糖化的调控机制

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在马铃薯油炸加工产业中,通常需要将收获后的马铃薯块茎进行低温贮藏,以减少块茎因失水皱缩、病虫害感染、腐烂及萌发等造成的损失,并保证周年供应。但马铃薯块茎在低温贮藏过程中会出现还原糖含量积累的低温糖化现象,而低温糖化后块茎中过高的还原糖使得马铃薯经过高温油炸之后色泽加深、口味变差及产生丙烯酰胺等有害物质,这些都对马铃薯的加工品质十分不利。本实验室前期实验表明,干涉SbTRXhl或者Sb14-3-3基因之后,4℃处理30d后转基因株系马铃薯块茎中还原糖含量与非转基因对照品种鄂马铃薯3号(E3)相比显著降
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