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Abstract

Selection of Reliable Reference Genes for Quantitative Real-Time PCR in Golden-Line Barbell (Sinocyclocheilus grahami) During Juvenile and Adult Stages

In order to obtain reliable results of gene expression, appropriate internal control gene(s) were required for normalization before real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR). Here, we selected eight candidate housekeeping genes as the potential reference genes in normalizing qRT-PCR data in ten tissues of the juvenile and adult stages of a naturally tetraploid cyprinid fish Sinocyclocheilus grahami. Before qRT-PCR, appropriate primers were designed and compared for distinguishing different copies in some duplicate genes. Candidate reference genes were evaluated for their stability using online software RefFinder, which is integrated by four normal software of the comparative delta-CT, BestKeeper, NormFinder and GeNorm. According to the rankings produced by these analyses, Eef2, ACTB and G6PD were the most stable reference genes as internal controls for qRT-PCR in juvenile, while B2M, Eef2 and RPL17 were shown to be most appropriate in adult fish. All the analyses show that GAPDH was the least stable expression gene which would be unsuitable as reference gene at both stages. This is the first report about reference gene selection in Sinocyclocheilus and we think that is beneficial for the future gene expression studies in golden-line barbel.


Author(s):

Yuan-Wei Zhang, Xiao-Fu Pan, Xiao-Ai Wang, Wan-Sheng Jiang, Kun-Feng Yang, Qian Liu, Jun-Xing Yang*



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Abstracted/Indexed in

  • ProQuest
  • Chemical Abstracts Service (CAS)
  • Index Copernicus
  • Google Scholar
  • Academic Journals Database
  • Genamics JournalSeek
  • The Global Impact Factor (GIF)
  • China National Knowledge Infrastructure (CNKI)
  • CiteFactor
  • Electronic Journals Library
  • Centre for Agriculture and Biosciences International (CABI)
  • Directory of Research Journal Indexing (DRJI)
  • WorldCat
  • Proquest Summons
  • Advanced Science Index
  • Publons
  • ResearchGate
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