[Objective] The aim was to explore the reasons of false positives in Different Display Reverse Transcription(DDRT)analysis.[Method] Soybean varieties "Jilin 30" and "Tongnong 13" were used as materials to carry ...[Objective] The aim was to explore the reasons of false positives in Different Display Reverse Transcription(DDRT)analysis.[Method] Soybean varieties "Jilin 30" and "Tongnong 13" were used as materials to carry out analysis on false positives in DDRT analysis.[Result] An important origin of false positives appeared in DDRT analysis was the non-specific amplification caused by the combination of single primer and cDNA.The parallel PCR test of single primer should be set so as to verify whether the obtained fragments were the false positives or the PCR productions combined with single primer.[Conclusion] This study had provided basis for improving the success rate of DDRT experiment.展开更多
Introducing a combination of transcription factors such as Oct4,Sox2,Klf4 and c-Myc(OSKM)enables reprogramming which converts somatic cells into induced pluripotent stem cells(i PSCs)(Takahashi and Yamanaka,2006...Introducing a combination of transcription factors such as Oct4,Sox2,Klf4 and c-Myc(OSKM)enables reprogramming which converts somatic cells into induced pluripotent stem cells(i PSCs)(Takahashi and Yamanaka,2006).i PSCs play an important role in clinical and regenerative medicine because they can be utilized to model a specific disease or differentiate into functional cells for transplantation.Enhancing the efficiency of induction and improving the qualities of iPSCs are constant themes in this field.展开更多
文摘[Objective] The aim was to explore the reasons of false positives in Different Display Reverse Transcription(DDRT)analysis.[Method] Soybean varieties "Jilin 30" and "Tongnong 13" were used as materials to carry out analysis on false positives in DDRT analysis.[Result] An important origin of false positives appeared in DDRT analysis was the non-specific amplification caused by the combination of single primer and cDNA.The parallel PCR test of single primer should be set so as to verify whether the obtained fragments were the false positives or the PCR productions combined with single primer.[Conclusion] This study had provided basis for improving the success rate of DDRT experiment.
基金supported by the Strategic Priority Research Program of Chinese Academy of Sciences (No. XDA01020102)the grant from the Natural Science Foundation of China (No. 81225004)
文摘Introducing a combination of transcription factors such as Oct4,Sox2,Klf4 and c-Myc(OSKM)enables reprogramming which converts somatic cells into induced pluripotent stem cells(i PSCs)(Takahashi and Yamanaka,2006).i PSCs play an important role in clinical and regenerative medicine because they can be utilized to model a specific disease or differentiate into functional cells for transplantation.Enhancing the efficiency of induction and improving the qualities of iPSCs are constant themes in this field.