Page 5 - imbr-Vol.01-No.01

昆虫分子生物学研究
(
网络版
), 2012
,
1
,
1
,
1
-
7
Kunchong Fenzi Shengwuxue Yanjiu (Online), 2012, Vol.1, No.1, 1
-
7
1
研究论文
Research Article
家蚕
3-
羟酰辅酶
A
脱氢酶基因全长
cDNA
克隆及其在质型多角体病毒感染家蚕
的差异表达
王秀
1
,
吴萍
1,2
,
高坤
1,2
,
覃光星
1,2
,
刘挺
1,2
,
郭锡杰
1,2
1
江苏科技大学
,
镇江
, 212003
2
中国农业科学院蚕业研究所
,
镇江
, 212018
通讯作者
:
作者
昆虫分子生物学研究
, 2012
,
1
,
1
doi: 10.5376/
imbr.cn.2012.01.0001
收稿日期:
2012
04
01
接受日期:
2012
06
6
发表日期:
2012
06
7
本文首次发表在《基因组学与应用生物学》
(2012
年第
31
卷第
2
102-108
)
上。现依据版权所有人授权的许可协议,采用
Creative Commons Attribution
License
对其进行授权,再次发表与传播。只要对原作有恰当的引用,版权所有人允许并同意第三方无条件的使用与传播。
建议最佳引用格式:
引用格式
(
中文
)
王秀等
, 2012,
家蚕
3-
羟酰辅酶
A
脱氢酶基因全长
cDNA
克隆及其在质型多角体病毒感染家蚕的差异表达
,
昆虫分子生物学研究
(
online) Vol.1
No.1 pp.1-7 (doi: 10.5376/imbr.cn.2012.01.0001)
引用格式
(
英文
)
Wang et al., 2012, Cloning of 3-Hydroxyacyl-CoA Dehyrogenase Gene and Its Differential Expression in Silkworms Infected with
Bombyx mori
Cytoplasmic Polyhedrosis Virus, Kunchong Fenzi Shengwuxue Yanjiu (online) Vol.1 No.1 pp.1-7 (doi: 10.5376/imbr.cn.2012.01.0001)
摘 要
家蚕质型多角体病毒是家蚕的重要病毒病原之一,往往给养蚕业生产造成极大危害。我们以前的研究运用基
因芯片技术在感染质型多角体病毒的家蚕中肠中鉴定出一个差异表达的
3-
羟酰辅酶
A
脱氢酶蛋白基因
(
Bombyx mori
3-
hydroxyacyl-coA dehyrogenase protein gene-
Bm3HAD
)
本研究利用
cDNA
末端快速扩增技术
(
RACE)
克隆了该基因,其
全长
cDNA
序列为
1 168
bp
包含一个
83
bp 5’
端非翻译区序列
(5’-
UTR)
一个
930
bp
的开放阅读框
(
ORF)
和一个
155
bp
3’
端非翻译区序列
(3’-
UTR)
基因结构分析发现该基因由
5
个外显子和
4
个内含子组成。
RT-PCR
结果显示该基因在家蚕
中肠、脂肪体、血液、丝腺及生殖体中均有表达。荧光定量
PCR
结果表明该基因在
BmCPV
感染初期为上调表达,随着
病毒感染的进展该基因的表达水平逐渐降低,并转变为下调表达。研究结果为进一步研究
BmCPV
对家蚕致病的分子机
制提供了有益的信息。
关键词
家蚕
;
质型多角体病毒
; 3 -
羟酰辅酶
A
脱氢酶
;
差异表达
Cloning of 3-Hydroxyacyl-CoA Dehyrogenase Gene and Its Differential
Expression in Silkworms infected with
Bombyx mori
Cytoplasmic
Polyhedrosis Virus
Wang Xiu
1
,
Wu Ping
1,2
,
Gao Kun
1,2
,
Qin Guangxing
1,2
,
Liu Ting
1,2
,
Guo Xijie
1,2
1
Jiangsu University of Science and Technology, Zhenjiang, 212003;
2
Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212018
Corresponding author,
Authors
Abstract
Silkworm
(
Bombyx mori
)
cytoplasmic polyhedrosis virus (BmCPV) is a main viral pathogen for silkworm and
always causes severe damage to commercial sericultural production. In our previous study, a differentially expressed gene,
Bm3HAD
,
was identified in the midgut of silkworm larvae infected with BmCPV by using microarray analysis. In this study,
the full-length cDNA of
Bm3HAD
gene was cloned and analyzed with rapid amplification of complementary DNA ends
(
RACE). This gene is 1 168 bp and has a 83 bp 5’-untranslated region (5’-UTR), a 930 bp open reading frame (ORF) and a 155 bp
3’-
UTR. Gene structure analysis indicates that this gene has five exons and four introns.
RT-PCR analysis revealed that
Bm3HAD
was expressed in all the tissues tested, including midgut, hemocyte, fat body, silk gland and gonad. Real-time
quantitative PCR detection revealed that relative expression of
Bm3HAD
in the midgut of infected silkworm was up-regulated
in the early stage of infection, but gradually decreased as the infection progressed and then became down-regulated. The
results are informative for exploring the molecular mechanism involved in the infection of silkworm with BmCPV.
Keywords
Silkworm
(
Bombyx mori
);
Cytoplasmic polyhedrosis virus; 3-hydroxyacyl-coa dehyrogenase protein;
Differential expression