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- W4385239747 abstract "Aquatic emergent insect communities form an important link between aquatic and terrestrial ecosystems, yet studying them is costly and time-consuming as they are usually diverse and superabundant. Metabarcoding is a valuable tool to investigate arthropod community compositions, however high-throughput applications, such as for biomonitoring, require cost-effective and user-friendly procedures. To investigate if the time-consuming and labour-intensive DNA extraction step can be omitted in metabarcoding, we studied the difference in detection rates and individual read abundance using standard DNA extraction versus direct PCR protocols. Metabarcoding with and without DNA extraction was performed with artificially created communities of known composition as well as on natural communities both of the dipteran family Chironomidae to compare detection rates, individual read abundances and presence-absence community composition. We found that the novel approach of direct PCR metabarcoding presented here did not alter detection rates and had a minor effect on individual read abundances in artificially created communities. Furthermore, presence-absence community compositions of natural chironomid communities were highly comparable using both approaches. In conclusion, we showed that direct PCR protocols can be applied in chironomid metabarcoding approaches, with possible application for a wider range of arthropod taxa, enabling us to study communities more efficiently in the future." @default.
- W4385239747 created "2023-07-26" @default.
- W4385239747 creator A5062910315 @default.
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- W4385239747 date "2023-07-25" @default.
- W4385239747 modified "2023-10-01" @default.
- W4385239747 title "Direct PCR meets high-throughput sequencing – metabarcoding of chironomid communities without DNA extraction" @default.
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- W4385239747 doi "https://doi.org/10.3897/mbmg.7.102455" @default.
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