Page 197 - 《水产学报》2026年第3期
P. 197
3 期 吴海霞,等:草鱼 GCRV-II 抗原检测胶体金试剂盒研发与应用 50 卷
程度确定了胶体金免疫层析试纸条的最适 pH 标 中国水生动物卫生状况报告 [R]. 北京: 中国农业出版社,
记条件及最适添加量,解决了金标抗体与干扰物 2024.
的非特异性结合问题,提升了检测准确度。此外, Ministry of Agriculture and Rural Affairs, Bureau of Fisheries,
本研究通过精准配置金标抗体、检测抗体、捕获 National Fisheries Technology Extension Center. 2024 aquatic
抗体三者标记比例放大 T 线信号,并针对性地配 animal health in China[R]. Beijing: China Agricultural Press,
置了样本提取液,使试剂盒在操作效率与检测性 2024 (in Chinese).
能方面具有显著优势。更具独创性的是,本研究 [ 4 ] 农业农村部. 农业农村部公告 第 573 号 [EB/OL]. 北京: 农
评估了检测试剂盒对 GCRV-II 感染草鱼不同器官 业农村部, (2023-06-23) [2025-07-30]. https://www.moa.gov.
的检测结果,证实本试剂盒可通过靶向器官检测 cn/xw/bmdt/202206/t20220629_6403635.htm.
Ministry of Agriculture and Rural Affairs, Ministry of Agricul-
实现 GCRV-II 感染的监测应用和预警,减少疫病
ture and Rural Affairs Reports No. 573[EB/OL]. Beijing: Min-
造成的传播和损失。与 Li 等 [38] 建立的 RT-qPCR
istry of Agriculture and Rural Affairs, (2023-06-23) [2025-07-
检测法相比,本技术将检测时长从 120 min 缩短
30] (in Chinese).
至 10 min,且无需依赖 RT-qPCR 仪等专业设备。
[ 5 ] Yang Z Q, Zhang H M, Yuan Z M, et al. The effects of GCRV
针对 Zeng 等 [34] 报道的 NASBA-ELISA 联用技术,
on various tissues of grass carp (Ctenopharyngodon idella) and
本试剂盒具有成本优势,并通过肉眼判读结果规
identification of differential interferon-stimulating genes (ISGs)
避了酶标仪依赖性问题。在灵敏度方面,Wang 等 [39]
through muscle transcriptome analysis[J]. Ecotoxicology and
基于 VP10 蛋白建立的间接免疫荧光法 (IFA) 检测
Environmental Safety, 2024, 284: 116956.
2
最低值为 5.5×10 拷贝/mL,而本检测试剂盒灵敏
[ 6 ] Li P W, Zhang J, Chang M X. Structure, function and immune
度为 1.76×10 拷贝/μL,较现有技术显著提高。因 evasion strategies of aquareoviruses, with focus on grass carp
2
此,本检测试剂盒在时效性、经济性和灵敏度三 reovirus[J]. Reviews in Aquaculture, 2024, 16(1): 410-432.
个维度均展现出技术优势,为草鱼出血病现场诊 [ 7 ] Liu M, Xu C, Zhou Y, et al. Biochemical profiling of the pro-
断提供了具有应用价值的解决方案。 tein encoded by grass carp reovirus genotype II[J]. iScience,
综上所述,本研究开发了一种新型的 GCRV- 2024, 27(8): 110502.
II 抗原检测试剂盒。该技术的成功研发解决了现 [ 8 ] Mu C Y, Zhong Q W, Meng Y, et al. Oral vaccination of grass
有 GCRV-II 快速检测方法在临床应用中存在的假 carp (Ctenopharyngodon idella) with baculovirus-expressed
阳性率高、灵敏度不足等瓶颈,为草鱼出血病的 grass carp reovirus (GCRV) proteins induces protective
防控提供技术支撑,为水产病毒性疾病抗原检测 immunity against GCRV infection[J]. Vaccines, 2021, 9(1): 41.
试剂盒的研发提供借鉴。 [ 9 ] Mu C Y, Vakharia V N, Zhou Y, et al. A novel subunit vaccine
based on outer capsid proteins of grass carp reovirus (GCRV)
(作者声明本文无利益冲突) provides protective immunity against GCRV infection in rare
minnow (Gobiocypris rarus)[J]. Pathogens, 2020, 9(11): 945.
参考文献 (References): [10] Lu Y N, Zhao W H, Ji N, et al. Analysis of tissue tropism of
[ 1 ] 农业农村部渔业渔政管理局, 全国水产技术推广总站, 中国 GCRV-II infection in grass carp using a VP35 monoclonal anti-
水产学会. 中国渔业统计年鉴-2025[M]. 北京: 中国农业出版 body[J]. Developmental & Comparative Immunology, 2024,
社, 2025. 157: 105189.
Ministry of Agriculture and Rural Affairs, Bureau of Fisheries, [11] MacAulay S, Ellison A R, Kille P, et al. Moving towards
National Fisheries Technology Extension Center, China Soci- improved surveillance and earlier diagnosis of aquatic patho-
ety of Fisheries. China fishery statistical yearbook 2025[M]. gens: from traditional methods to emerging technologies[J].
Beijing: China Agricultural Press, 2025 (in Chinese). Reviews in Aquaculture, 2022, 14(4): 1813-1829.
[ 2 ] Feng Y, Shi C B, Ouyang P, et al. The national surveillance [12] Li H M, Cao X Y, Chen R G, et al. Rapid detection of grass
study of grass carp reovirus in China reveals the spatial-tem- carp reovirus type 1 using RPA-based test strips combined with
poral characteristics and potential risks[J]. Aquaculture, 2022, CRISPR Cas13a system[J]. Frontiers in Microbiology, 2023,
547: 737449. 14: 1296038.
[ 3 ] 农业农村部渔业渔政管理局, 全国水产技术推广总站. 2024 [13] Farkas K, Mannion F, Hillary L S, et al. Emerging technolo-
中国水产学会主办 sponsored by China Society of Fisheries https://www.china-fishery.cn
11

