Abstract:
:Relative gene expression analyses by RT-qPCR (reverse transcription-quantitative PCR) are highly dependent on the reference genes in normalizing the expression data of target genes. Therefore, inappropriate endogenous control genes will lead to inaccurate target gene expression profiles, and the selection and validation of suitable internal reference genes becomes essential. In this study, we retrieved the commonly used reference genes in transcriptome datasets of Codonopsis pilosula by RNA-Seq (unpublished data), and selected 15 candidate reference genes according to the coefficient of variation (CV) and fold change (FC) value of gene expression. The expression levels of candidate reference genes, which is at different growth stages, undergoing cold stress and drought stress, was determined by RT-qPCR. The expression stability of these genes was evaluated using software packages and algorithms including ΔCt, geNorm, NormFinder and Bestkeeper. Then appropriate reference genes were screened and validated by target gene-UDGPase (UDP glucose pyrophosphorylase). The optimal RGs combinations of C. pilosula, including PP2A59γ, CPY20-1, UBCE32, RPL5B and UBC18 for developmental stage, RPL5B, RPL13 and PP2A59γ for cold treatment, RPL13 and PP2A59γ for drought treatment, were found and proposed as reference genes for future work. This paper laid foundations for both the selection of reference genes and exploration in metabolic mechanism of C. pilosula.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Liang L,He Z,Yu H,Wang E,Zhang X,Zhang B,Zhang C,Liang Zdoi
10.1038/s41598-020-58328-5subject
Has Abstractpub_date
2020-01-28 00:00:00pages
1362issue
1issn
2045-2322pii
10.1038/s41598-020-58328-5journal_volume
10pub_type
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