|本期目录/Table of Contents|

[1]史东杰,朱华,张欣,等.氨氮对锦鲤相关酶活性和基因表达的影响[J].江苏农业科学,2019,47(03):150-153.
 Shi Dongjie,et al.Effects of ammonia nitrogen on related enzyme activities and gene expression of koi carp[J].Jiangsu Agricultural Sciences,2019,47(03):150-153.
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氨氮对锦鲤相关酶活性和基因表达的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第03期
页码:
150-153
栏目:
畜牧兽医与水产蚕桑
出版日期:
2019-02-02

文章信息/Info

Title:
Effects of ammonia nitrogen on related enzyme activities and gene expression of koi carp
作者:
史东杰123 朱华123 张欣123 王文峰4 孙砚胜123
1.北京市水产科学研究所暨国家淡水渔业工程技术研究中心,北京 100068; 2.农业部都市农业(北方)重点实验室,北京 100097;
3.渔业生物技术北京市重点实验室,北京 100097; 4.北京市房山区养殖业服务中心,北京 100081
Author(s):
Shi Dongjieet al
关键词:
氨氮锦鲤急性毒性基因
Keywords:
-
分类号:
S917
DOI:
-
文献标志码:
A
摘要:
以初始体质量约为(132.4±4.6) g的锦鲤为对象,研究不同氨氮浓度对锦鲤肝脏超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、乙酰胆碱酯酶(AChE)活性与抗氧化酶基因(AchE、Cyp450)、皮肤体色基因(Tyr、Mc1r)表达的影响。结果表明,氨氮对锦鲤在24、48、72、96 h的半致死浓度(LC50)分别为51.34、42.53、31.18、27.29 mg/L,安全浓度为2.73 mg/L。氨氮暴露初期(2 d),各试验组总SOD活性无显著差异,暴露中后期(6、10、14 d),各试验组总SOD活性整体上表现出先升高后降低的趋势;在氨氮胁迫下,各试验组CAT、AChE活性分别大致呈现先增加后降低、一直降低的趋势;锦鲤肝脏组织中AchE基因表达量与对照相比显著下降(P<0.05);Cyp450基因在暴露初期(2 d)和中期(6 d)无明显变化,而在暴露中后期(10、14 d)表达量明显下调(P<0.05);皮肤体色基因Tyr、Mc1r的表达量在氨氮暴露后均明显受到抑制。可以得出,随着氨氮暴露浓度的增加和暴露时间的延长,锦鲤免疫酶活性和基因表达量均趋于降低,说明鱼体免疫防御系统遭到了损伤。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2017-09-08
基金项目:观赏鱼产业技术体系北京市创新团队建设专项资金(编号:BAIC0320170201);北京市水产科学研究所自立项目(硬头鳟及观赏鱼品种选育技术及繁养殖关键技术研究与应用的研究)。
作者简介:史东杰(1985—),女,北京人,硕士,副研究员,主要从事观赏鱼繁育及养殖技术的研究工作。Tel:(010)61786845;E-mail:sdj19850104@163.com。
通信作者:朱华,博士,研究员,主要从事水产繁殖、养殖以及水产养殖环境
更新日期/Last Update: 2019-02-05