

FOLLOWUS
1.State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
2.Hainan Academy of Ocean and Fisheries Sciences, Haikou 570228, China
SUN Yun, syshui207@126.com
ZHOU Yongcan, zychnu@163.com
收稿:2019-03-04,
录用:2019-5-24,
网络首发:2020-08-05,
纸质出版:2020-03
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Assessment of internal controls for data normalization of gene expression after different bacterial stimulation by quantitative real-time PCR in golden pompano
Xiaojuan CHEN, Xiaoqi ZHANG, Yun SUN, et al. Assessment of internal controls for data normalization of gene expression after different bacterial stimulation by quantitative real-time PCR in golden pompano
Assessment of internal controls for data normalization of gene expression after different bacterial stimulation by quantitative real-time PCR in golden pompano
Xiaojuan CHEN, Xiaoqi ZHANG, Yun SUN, et al. Assessment of internal controls for data normalization of gene expression after different bacterial stimulation by quantitative real-time PCR in golden pompano
Trachinotus blochii
is one of the important commercial fish species. In this study
we aim to confirm the reliability reference genes in
T. blochii
during different bacterial challenge through quantitative real-time PCR (qRT-PCR). The expression of the seven selected genes in four immune organs (i.e.
spleen
kidney
intestine
and gill) stimulated with
Vibrio harveyi
Edwardsiella tarda
and
Streptococcus agalactiae
were determined by qRT-PCR. The PCR data was analyzed using the geNorm and NormFinder algorithms. The results showed the selection of the internal controls should be tissue specific when studying gene expression in response to bacterial stimulation. After 48 h of stimulation with
V. harveyi
geNorm ranked EF1A/Actin
18S rRNA/B2M
UBCE/B2M
and 18S rRNA/B2M
as the most stably expressed genes in spleen
kidney
intestine
and gill
respectively. After 48 h of stimulation with
E. tarda
geNorm ranked 18S rRNA/EF1A
18S rRNA/B2M
B2M/RPL13
and 18S rRNA/EF1A
as the most stably expressed genes in spleen
kidney
intestine
and gill
respectively. After 48 h of stimulation with
S. agalactiae
18S rRNA/ EF1A
18S rRNA/B2M
B2M/Actin
and 18S rRNA/B2M were ranked as the most stably expressed genes in spleen
kidney
intestine
and gill
respectively. Compared to the results analyzed by geNorm
reference genes received similar rankings when using NormFinder software. The results showed that the reference genes appeared to be not only tissue specific
but also specific to the infecting species of bacteria. If one gene is preferred when
T. blochii
were infected by bacteria
18S rRNA
B2M
B2M
18S rRNA may be used in spleen
kidney
intestine
and gill
respectively.
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