Publication Date:
2020
Description:
〈p〉Publication date: March 2020〈/p〉
〈p〉〈b〉Source:〈/b〉 Fish & Shellfish Immunology, Volume 98〈/p〉
〈p〉Author(s): Yunkun Li, Jiabei Han, Jiayu Wu, Dong Li, Xixi Yang, Anqi Huang, Guixian Bu, Fengyan Meng, Fanli Kong, Xiaohan Cao, Xingfa Han, Xiaofu Pan, Shiyong Yang, Xianyin Zeng, Xiaogang Du〈/p〉
〈div xml:lang="en"〉
〈h5〉Abstract〈/h5〉
〈div〉〈p〉Quantification real-time PCR (qRT-PCR) is a common method in analysis of gene expression, but the stable reference genes for the normalization analysis have not been appreciated before identifying expression pattern of genes in teleost fishes. In this study, we selected eight candidate reference genes (〈em〉18S〈/em〉, 〈em〉Actin〈/em〉, 〈em〉EF-1α〈/em〉, 〈em〉40S〈/em〉, 〈em〉B2M〈/em〉, 〈em〉TUBA〈/em〉, 〈em〉UBCE〈/em〉 and 〈em〉GAPDH〈/em〉) basing on transcriptome analysis and the traditional housekeeping genes, and analyzed the stability of the reference genes in spleen, head kidney and head kidney leukocytes (HKL) after pathogen challenge in 〈em〉Schizothorax prenanti〈/em〉 (〈em〉S. prenanti〈/em〉). Three common programs (geNorm, NormFinder and Bestkeeper) were used to evaluate the stability of the candidate reference genes. Two reference genes, 〈em〉Actin〈/em〉 and 〈em〉EF-1α〈/em〉 presented higher stability, while 〈em〉18S〈/em〉 and 〈em〉GAPDH〈/em〉 were the lower stable genes, both in 〈em〉in vitro〈/em〉 and 〈em〉in vivo〈/em〉. An important immune gene, 〈em〉toll-like receptor 22a〈/em〉 (〈em〉TLR22a〈/em〉), was selected to validate the stability of the proposed reference genes (〈em〉Actin〈/em〉 and 〈em〉EF-1α〈/em〉) across different experiment treatments. The results reveal that 〈em〉Actin〈/em〉 and 〈em〉EF-1α〈/em〉 are quite suitable reference genes for the normalization analysis. Otherwise, using the most stable gene 〈em〉Actin〈/em〉 to validate the reliable of transcriptome data showed the high correlation between the fold change of transcriptome data and qRT-PCR data. In conclusion, our study not only acquired the suitable reference gene for the qRT-PCR assay under specific experiment condition, but also provided a comprehensive method to evaluate and validate the reference gene based on transcriptome analysis in teleost fishes.〈/p〉〈/div〉
〈/div〉
Print ISSN:
1050-4648
Electronic ISSN:
1095-9947
Topics:
Biology
,
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
,
Medicine
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