Huperzia serrata (H. serrata) produces various types of effectively lycopodium alkaloids, especially Huperzine A (HupA), which is a promising drug for the treatment of Alzheimer’s disease. Numerous studies focused on the chemistry, bioactivities, toxicology, and clinical trials of HupA, however, the public genomic and transcriptomic resources are very limited for H. serrata research, especially for the selection of optimum reference genes.
Based on the full-length transcriptome datasets and previous studies, thirteen candidate reference genes were selected in different tissue of H. serrata. Then, two optimal reference genes GAPDHB and HisH2A were confirmed by various analysis softwares. In order to further verify the accuracy of the two reference genes, they were used to analyze the expression patterns of four HupA-biosynthetic related genes (lysine decarboxylas, RS-norcoclaurine 6-O-methyltransferase, cytochrome P45072A1 and copper amine oxidase). The data suggested that the expression trends of HupA-biosynthetic related genes were consistent with them in transcriptome sequencing in different tissue of H. serrata.
This study screened the best reference genes GAPDHB and HisH2A in different tissues of H. serrata, which provides suitable normalization for analyzing the expression of HupA-biosynthetic gene in transcriptional level in H. serrata.

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This is a list of supplementary files associated with this preprint. Click to download.
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Posted 08 Jun, 2021
Posted 08 Jun, 2021
Huperzia serrata (H. serrata) produces various types of effectively lycopodium alkaloids, especially Huperzine A (HupA), which is a promising drug for the treatment of Alzheimer’s disease. Numerous studies focused on the chemistry, bioactivities, toxicology, and clinical trials of HupA, however, the public genomic and transcriptomic resources are very limited for H. serrata research, especially for the selection of optimum reference genes.
Based on the full-length transcriptome datasets and previous studies, thirteen candidate reference genes were selected in different tissue of H. serrata. Then, two optimal reference genes GAPDHB and HisH2A were confirmed by various analysis softwares. In order to further verify the accuracy of the two reference genes, they were used to analyze the expression patterns of four HupA-biosynthetic related genes (lysine decarboxylas, RS-norcoclaurine 6-O-methyltransferase, cytochrome P45072A1 and copper amine oxidase). The data suggested that the expression trends of HupA-biosynthetic related genes were consistent with them in transcriptome sequencing in different tissue of H. serrata.
This study screened the best reference genes GAPDHB and HisH2A in different tissues of H. serrata, which provides suitable normalization for analyzing the expression of HupA-biosynthetic gene in transcriptional level in H. serrata.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5
This is a list of supplementary files associated with this preprint. Click to download.
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