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The production of malting barley in China can’t meet the demand of beer industries because of poor quality and it becomes a bottleneck problem in beer manufacture industry. In this paper, TrxS gene cloned from Phalaris coerulescens was transferred into barley cultivar Yupi 1 (YP1) via biolistic bombardment. 1206 immature embryos were bombarded and seven transgenic plants carrying TrxS gene were confirmed by PCR and PCR-Southern blotting analysis. TrxS gene was expressed in transgenic plants by RT-PCR analysis. The activity of Trxh and α-amylase of transgenic line were higher than that of non-transgenic line, which is helpful to improve malting quality of barley.
The production of malting barley in China can not meet the demand of beer industries because of poor quality and it becomes a bottleneck problem in beer manufacture industry. In this paper, TrxS gene cloned from Phalaris coerulescens was transferred into barley cultivar Yupi 1 (YP1 ) via biolistic bombardment. 1206 immature embryos were bombarded and seven transgenic plants carrying TrxS genes were confirmed by PCR and PCR-Southern blotting analysis. TrxS gene was expressed in transgenic plants by RT-PCR analysis. The activity of Trxh and alpha-amylase of transgenic line were higher than that of non-transgenic line, which is helpful to improve malting quality of barley.