Selection of suitable reference genes for normalization of quantitative RT-PCR in peripheral blood samples of bottlenose dolphins (Tursiops truncatus)

I. Hua Chen, Lien Siang Chou, Shih Jen Chou, Jiann Hsiung Wang, Jeffrey L Stott, Myra Blanchard, I. Fan Jen, Wei Cheng Yang

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Quantitative RT-PCR is often used as a research tool directed at gene transcription. Selection of optimal housekeeping genes (HKGs) as reference genes is critical to establishing sensitive and reproducible qRT-PCR-based assays. The current study was designed to identify the appropriate reference genes in blood leukocytes of bottlenose dolphins (Tursiops truncatus) for gene transcription research. Seventy-five blood samples collected from 7 bottlenose dolphins were used to analyze 15 candidate HKGs (ACTB, B2M, GAPDH, HPRT1, LDHB, PGK1, RPL4, RPL8, RPL18, RPS9, RPS18, TFRC, YWHAZ, LDHA, SDHA). HKG stability in qRT-PCR was determined using geNorm, NormFinder, BestKeeper and comparative delta Ct algorithms. Utilization of RefFinder, which combined all 4 algorithms, suggested that PGK1, HPRT1 and RPL4 were the most stable HKGs in bottlenose dolphin blood. Gene transcription perturbations in blood can serve as an indication of health status in cetaceans as it occurs prior to alterations in hematology and chemistry. This study identified HKGs that could be used in gene transcript studies, which may contribute to further mRNA relative quantification research in the peripheral blood leukocytes in captive cetaceans.

Original languageEnglish (US)
Article number15425
JournalScientific Reports
Volume5
DOIs
StatePublished - Oct 21 2015

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Bottle-Nosed Dolphin
Essential Genes
Polymerase Chain Reaction
Genes
Leukocytes
Research
Hematology
Health Status
Messenger RNA

ASJC Scopus subject areas

  • General

Cite this

Selection of suitable reference genes for normalization of quantitative RT-PCR in peripheral blood samples of bottlenose dolphins (Tursiops truncatus). / Chen, I. Hua; Chou, Lien Siang; Chou, Shih Jen; Wang, Jiann Hsiung; Stott, Jeffrey L; Blanchard, Myra; Jen, I. Fan; Yang, Wei Cheng.

In: Scientific Reports, Vol. 5, 15425, 21.10.2015.

Research output: Contribution to journalArticle

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