
断眼天牛DNA条码试剂盒的研制
DNA barcoding identification kit technology for Tetropium species
陈梦义1, 2** 徐 梅3 钱 路3 安榆林3 王 焱4 郝德君1, 2***
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DOI:10.7679/j.issn.2095-1353.2015.100
作者单位:1. 南京林业大学,南方现代林业协同创新中心, 南京 210037;2. 南京林业大学林学院, 南京 210037;3. 江苏出入境检验检疫局, 南京 210001;4. 上海市林业总站, 上海 200072
中文关键词:断眼天牛属, DNA条形码, COⅠ基因, 分子鉴定
英文关键词:Tetropium, DNA barcode, COⅠ gene, molecular identification
中文摘要:
【目的】 为了加强对检疫口岸截获木材中的断眼天牛种类进行准确、快速的鉴定,克服单纯依赖于形态学方法为主的局限性,我们研发了断眼天牛属DNA条码试剂盒检测技术。【方法】 本研究基于线粒体COⅠ基因(线粒体细胞色素氧化酶亚基Ⅰ),采用加拿大条码中心开发的昆虫及植物DNA提取方法,对基因序列分析,获得碱基位点规律。【结果】 断眼天牛属中的9个常截获种类取得了标记性碱基位点。【结论】 检疫中常截获的断眼天牛属中的9个种通过标记性碱基位点得到区分;研发了断眼天牛属DNA条码试剂盒检测技术,为进出境口岸的检疫工作提供一种新的鉴定手段。
英文摘要: [Objectives] To rapidly and accurately identify Tetropium spp., which are invasive pests commonly intercepted at quarantine ports in shipments of wood, and improve on current, mainly morphologically-based, methods of identifying these pests. [Methods] A DNA barcode detection kit was developed for Tetropium spp. based on the mitochondrial COⅠ gene. DNA extraction methods followed those of the Canadian Plant Development DNA barcode Center. [Results] Nine base sites were obtained from Tetropium spp. [Conclusion] Analysis of different genetic characteristics among Tetropium spp. allowed nine species to be identified. The newly developed DNA barcoding identification kit provides a new way of identifying this pest at ports of entry and exit.