DNA metabarcoding of light trap samples vs. morphological species identification

IF 2 3区 农林科学 Q2 ENTOMOLOGY
Patrick Strutzenberger, Brigitte Gottsberger, Florian Bodner, Fabian Bartusel, Daniel Jerga, Konrad Fiedler
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引用次数: 0

Abstract

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Abstract Image

光诱捕器样本的 DNA 代谢编码与形态学物种鉴定对比
摘要DNA元条形码已成为生物多样性评价和监测的常用工具。DNA元条形码的结果如何与基于“经典”的研究进行比较,在大多数情况下形态学物种鉴定,仍然不清楚。根据已知基线调查物种检测的研究实际上是不存在的。在这项研究中,我们利用在奥地利东部采集的光诱器样本,利用Illumina MiSeq平台调查了形态学物种列表与COI元条形码结果之间的一致性。比较了两种不同长度的引物组合(313 bp和205 bp)对扩增子长度的影响。物种检出率在0.38 ~ 0.69之间;与较长的扩增子相比,较短的扩增子平均具有较高的物种检出率。通过元条形码检测到的单一种较少。一个物种被发现的主要决定因素是它的生物量,即较小的物种被发现的机会较低。然而,也有证据表明在超家族水平上存在分类偏差。虽然生物量的影响是可以预料的,但分类学偏差的存在引起了关注,需要进一步的研究。当元条形码用于确定保护措施时,这种偏差可能是重要的。对所有样点的排序分析表明,就群落生态学而言,我们的元条形码结果基本保留了整个物种列表所获得的总体格局。
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来源期刊
Ecological Entomology
Ecological Entomology 生物-昆虫学
CiteScore
4.90
自引率
4.50%
发文量
94
审稿时长
3 months
期刊介绍: Ecological Entomology publishes top-quality original research on the ecology of insects and related invertebrate taxa. Our aim is to publish papers that will be of considerable interest to the wide community of ecologists who are motivated by ecological or evolutionary theory. The suitability of a manuscript will usually be assessed within 5 days. We publish full-length Original Articles as well as Reviews, Short Communications, Methods and Natural History papers. In Original Articles, we greatly prefer papers that test specific hypotheses and which have a high degree of novelty. All categories aim for innovative contributions that advance the subject of ecological entomology.
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