[目的]获得高质量、高产量并能满足转录组测序要求的大豆根总RNA.[方法]比较分析了Trizol法、CTAB-LiCl法和试剂盒法的提取效果.[结果]3种方法均能从大豆根中提取出总RNA.但与Trizol法、CTAB法相比,试剂盒法提取的大豆根总RNA纯度高、完整性好,平均浓度达413.9 ng/μL,A260/A280≈2.14,A260/A230≈2.10,方法可重复性好.[结论]试剂盒法提取的RNA满足转录组测序的质量要求,可进行后续的转录组测序和其他分子生物学相关研究工作.%[Objective] To obtain total RNA from soybean roots with high quality,high yield and to meet the transcription group sequencing requirements.[Method]Three extracting effects were compared,including Trizol reagent,CTAB-LiCl method and Kit method.[Result] All three methods can extract total RNA from soybean.However,the extraction kit was the best with high purity and integrity RNA.The average concentration was 413.9 ng/μL,A260/A280 was approximately 2.14,A260/A230 was 2.10 by using extraction kit,which was repeatable.[Conclusion]The RNA extracted by Kit method meets the quality requirements for transcriptome sequencing and can be used for subsequent RNA-seq and other molecular biology-related studies.
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