Efficient and stable metabarcoding sequencing data using a DNBSEQ-G400 sequencer validated by comprehensive community analyses

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Metabarcoding is a widely used method for fast characterization of microbial communities in complex environmental samples. However, the selction of sequencing platform can have a noticeable effect on the estimated community composition. Here, we evaluated the metabarcoding performance of a DNBSEQ-G400 sequencer developed by MGI Tech using 16S and internal transcribed spacer (ITS) markers to investigate bacterial and fungal mock communities, as well as the ITS2 marker to investigate the fungal community of 1144 soil samples, with additional technical replicates. We show that highly accurate sequencing of bacterial and fungal communities is achievable using DNBSEQ-G400. Measures of diversity and correlation from soil metabarcoding showed that the results correlated highly with those of different machines of the same model, as well as between different sequencing modes (single-end 400 bp and paired-end 200 bp). Moderate, but significant differences were observed between results produced with different sequencing platforms (DNBSEQ-G400 and MiSeq); however, the highest differences can be caused by selecting different primer pairs for PCR amplification of taxonomic markers. These differences suggested that care is needed while jointly analyzing metabarcoding data from differenet experiments. This study demonstrated the high performance and accuracy of DNBSEQ-G400 for short-read metabarcoding of microbial communities. Our study also produced datasets to allow further investigation of microbial diversity.

Original languageEnglish
JournalGigaByte
Volume2021
DOIs
Publication statusPublished - 2021
Externally publishedYes

Bibliographical note

Funding Information:
This research was supported by the National Natural Science Foundation of China (grant numbers 31570380, 31300358, 31100312), the West Light Foundation of the Chinese Academy of Sciences to Yue-Hua Hu, the CAS 135 program (grant number 2017XTBG-T01), the Natural Science Foundation of Yunnan Province (grant number 2015FB185), the Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences (grant number 2016CASSEABRIQG002), the National Key Basic Research Program of China (grant number 2014CB954100), and the Applied Fundamental Research Foundation of Yunnan Province (grant number 2014GA003).

Publisher Copyright:
© 2020 Phuket Marine Biological Center. All rights reserved.

    Research areas

  • Genetics and Genomics, Metagenomics, Microbial Ecology

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