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环境DNA技术在水生态领域应用研究进展
引用本文:赵彦伟,陈家琪,董丽,麻晓梅,白洁,田凯.环境DNA技术在水生态领域应用研究进展[J].农业环境科学学报,2021,40(10):2057-2065.
作者姓名:赵彦伟  陈家琪  董丽  麻晓梅  白洁  田凯
作者单位:北京师范大学环境学院, 水环境模拟国家重点实验室, 北京 100875
基金项目:国家自然科学基金项目(52070020);水体污染控制与治理科技重大专项(2018ZX07110001)
摘    要:环境DNA(eDNA)是指环境中所有被发现的生物DNA的混合。eDNA技术可以通过对提取的环境样品进行DNA测序,反映生态系统中的群落或物种组成信息。相较于传统的基于形态学鉴定的生物监测方法,eDNA技术具有简单高效、灵敏度高、环境友好等优势,是未来水生态环境研究的重要手段之一。本文对eDNA技术的操作流程、在水生态环境研究中的应用及技术局限性进行了综述,并对eDNA技术的发展趋势进行了展望。

关 键 词:环境DNA  水生态系统  生物多样性  生态监测  应用局限
收稿时间:2021/6/9 0:00:00

Advances in the application of environmental DNA in aquatic ecosystems
ZHAO Yanwei,CHEN Jiaqi,DONG Li,MA Xiaomei,BAI Jie,TIAN Kai.Advances in the application of environmental DNA in aquatic ecosystems[J].Journal of Agro-Environment Science( J. Agro-Environ. Sci.),2021,40(10):2057-2065.
Authors:ZHAO Yanwei  CHEN Jiaqi  DONG Li  MA Xiaomei  BAI Jie  TIAN Kai
Institution:State Key Laboratory of Water Environmental Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
Abstract:Environmental DNA(eDNA) refers to the DNA of all organisms found in the environment. eDNA can be helpful in determining community or species composition information in the ecosystem by analyzing DNA fragments directly from different environmental samples using sequencing techniques. Compared to traditional biological monitoring methods based on morphological identification, eDNA has the advantages of simplicity, high effectiveness, high sensitivity, and environmental friendliness. It is an important avenue for future research in aquatic ecosystems. Here, we review the operational flow of eDNA technology, its application in aquatic ecosystems, and existing problems, as well as prospective development trends of eDNA technology.
Keywords:environmental DNA  aquatic ecosystem  biodiversity  ecological monitoring  application limitations
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