Soil biodiversity - DNA Bacteria and Fungi

The dataset includes bacterial 16S data and fungal ITS raw DNA sequences for 885 samples collected as part of LUCAS 2018 Soil survey (Biodiversity module).
Soil biodiversity - DNA Bacteria and Fungi
Registration is requested: 
Yes
Year: 
2023
Keywords: 

The dataset includes 16S and ITS raw DNA sequences for 885 samples collected as part of LUCAS 2018 Soil survey2,3 for the biodiversity module. Raw DNA sequences are deposited on NCBI Sequence Read Archive (SRA) database under BioProject ID PRJNA952168. Samples from four locations were re-sampled, and thus sequenced twice, due to sampling issues (i.e., 885 total samples from 881 sampling sites): samples n° 59, 102, 113, 116 were re-sequenced as samples n° 138, 601, 717, 258 respectively.

The “METADATA_LUCAS18_BIODIVERSITY_885ID_COMPLETED” table includes values for soil properties, extracted climatic data (1970-2000 average) and extracted soil moisture data4 associated to the 885 samples, as well as information on the sampling month. To combine single file of DNA sequences with data in the metadata table (“METADATA_LUCAS18_BIODIVERSITY_885ID_COMPLETED” Excel table), one needs to take the number (from 1 to 885) in the file name and match it to the corresponding “BARCODE_ID” (numbers from 1 to 885) in the table.

Additional details on the DNA extraction, amplification and sequencing, and the protocols for measuring soil properties and sources of climatic data can be found in Labouyrie et al. 2023 “Patterns in soil microbial diversity across Europe.”1.

All R scripts used for the analyses presented in Labouyrie et al. are available for download. Associated READ.ME document mentions the libraries needed and the purposes of each script in the workflow.

Metadata:

Title: Soil biodiversity - DNA Bacteria and Fungi
Description: The dataset includes bacterial 16S data and fungal ITS raw DNA sequences for 885 samples collected as part of LUCAS 2018 Soil survey (Biodiversity module).
Spatial coverage: European Union
Type: DNA sequences, R Scripts
Temporal coverage:  2018
More information: EU Science update on soil biodiversity.

Note: You cal also download the Soil Biodiversity - DNA Eukaryotes

Important note: when sequencing 16S LUCAS samples, the sequencing-adapters and barcodes were added after the PCR with the 16S primers. Due to this, the 16S insert can be in both orientations. The downloadable 16S files have not been subjected to such a re-orientation

Data are available for download

References

  1. Labouyrie, M., Ballabio, C., Romero, F., Panagos, P., Jones, A.,  Schmid, M., Mikryukov, V., Dulya, O., Tedersoo, L., Bahram, M., Lugato, E., van der Heijden, M.G.A., Orgiazzi, A. 2023. Patterns in soil microbial diversity across Europe. Nature Communications. 14, Article number: 3311,  doi: 10.1038/s41467-023-37937-4.
  2. Orgiazzi, A. et al. LUCAS Soil, the largest expandable soil dataset for Europe: a review. Eur J Soil Sci 69, 140–153 (2018).
  3. Orgiazzi, A. et al. LUCAS Soil Biodiversity and LUCAS Soil Pesticides, new tools for research and policy development. European J Soil Science 73 (2022).
  4. NASA-USDA Enhanced SMAP Global Soil Moisture Data. https://developers.google.com/earth-engine/datasets/catalog/NASA_USDA_HSL_SMAP10KM_soil_moisture#description

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