Comparison of Transformation Efficiency of piggyBac Transposon among Three Different Silkworm Bombyx mori Strains
文献类型: 外文期刊
第一作者: Zhong, Boxiong
作者: Zhong, Boxiong;Li, Jianying;Chen, Jin'e;Ye, Jian;Yu, Songdong
作者机构:
关键词: Bombyx mori;piggyBac;transposon;transgenesis;transformation efficiency
期刊名称:ACTA BIOCHIMICA ET BIOPHYSICA SINICA ( 影响因子:3.848; 五年影响因子:3.67 )
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年卷期:
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收录情况: SCI
摘要: The transformation rate of three different strains of silkworm Bombyx mori was compared after the introduction of enhanced green fluorescence protein (EGFP)-encoding genes into the silkworm eggs by microinjection of a mixture of piggyBac vector and helper plasmid containing a transposase-encoding sequence.Although there were no significant differences among the three strains in the percentages of fertile moths in microinjected eggs (P=0.1258),the percentages of G0 transformed moths in fertile moths and injected eggs were both significantly different (P=0.01368 and P=0.02398,respectively).The transformation rate of the Nistari strain (Indian strain) was significantly higher than that of the other two strains,Golden-yellow-cocoon (Vietnamese strain) and Jiaqiu (Chinese strain),which had similar rate.These results indicate that the transformation efficiency of the piggyBac-based system might vary with silkworm strains with different genetic backgrounds.The presence of endogenous piggyBac-like elements might be an important factor influencing the transformation efficiency of introduced piggyBac-derived vectors,and the diverse amount and activation in different silkworm strains might account for the significant differences.
分类号: Q7
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