

FOLLOWUS
1.State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
2.Key Laboratory of Tropical Hydrobiology and Biotechnology of Hainan Province, Haikou 570228, China
3.Department of Aquaculture, College of Marine Sciences, Hainan University, Haikou 570228, China
1057319886@qq.com
syshui207@126.com
Received:20 January 2022,
Published:01 May 2023
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ZHANG Han,YANG Haoran,LI Pengsuo,et al.Selection of the appropriate reference genes by quantitative real-time PCR in leopard coral groupers ,Plectropomus leopardus[J].Journal of Oceanology and Limnology,2023,41(03):1084-1099.
Leopard coral groupers (
Plectropomus leopardus
)
commercially bred in South China
are a significant economical fish species. In this study
by means of quantitative real-time PCR (qRT-PCR) technology
we assessed the stability of six common reference genes expression and selected the appropriate reference genes in leopard coral groupers with or without
Vibrio harveyi
stimulation at different time points. These data produced by qRT-PCR was handled via the geNorm
NormFinder
and BestKeeper software. The results revealed all the examined reference genes had manifest tissue-specific expression in different tissues. Prior to
V
.
harveyi
stimulat
ion
RPL13
gene was the appropriate reference gene among eleven tissue types (blood
spleen
hepatopancreas
kidney
stomach
gill
heart
skin
muscle
intestine
brain) in leopard coral groupers. Under
V
.
harveyi
stimulation
the most reliable reference genes varied from tissue to tissue and were closely hinged upon different time points. At 6-h post-bacterial injection
the appropriate reference genes in hepatopancreas
spleen
kidney
and gill were
Actin
B2M
UBCE
and
Actin
respectively. At 9- and 12-h post-bacterial injection
the appropriate reference genes in hepatopancreas
spleen
kidney
and gill were
RPL13
Actin
Actin
and
Actin
respectively. If one reference gene was preferable
RPL13
Actin
Actin
and
Actin
could be selected as the reference gene in hepatopancreas
spleen
kidney
and gill of leopard coral groupers after
V
.
harveyi
infection
respectively. Expression profiles of two target genes (
IL
-
6
and
NK
-
lysin
) were used to further validate reliability of these selected appropriate candidates. This study will lay a solid foundation for the future research on qRT-PCR analysis of gene expression in leopard coral groupers.
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