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. 2016 May 18:5:21.
doi: 10.1186/s13742-016-0126-5. eCollection 2016.

Introducing BASE: the Biomes of Australian Soil Environments soil microbial diversity database

Affiliations

Introducing BASE: the Biomes of Australian Soil Environments soil microbial diversity database

Andrew Bissett et al. Gigascience. .

Erratum in

  • Erratum to: Introducing BASE: the Biomes of Australian Soil Environments soil microbial diversity database.
    Bissett A, Fitzgerald A, Court L, Meintjes T, Mele PM, Reith F, Dennis PG, Breed MF, Brown B, Brown MV, Brugger J, Byrne M, Caddy-Retalic S, Carmody B, Coates DJ, Correa C, Ferrari BC, Gupta VVSR, Hamonts K, Haslem A, Hugenholtz P, Karan M, Koval J, Lowe AJ, Macdonald S, McGrath L, Martin D, Morgan M, North KI, Paungfoo-Lonhienne C, Pendall E, Phillips L, Pirzl R, Powell JR, Ragan MA, Schmidt S, Seymour N, Snape I, Stephen JR, Stevens M, Tinning M, Williams K, Yeoh YK, Zammit CM, Young A. Bissett A, et al. Gigascience. 2017 May 1;6(5):1. doi: 10.1093/gigascience/gix021. Gigascience. 2017. PMID: 30137319 Free PMC article. No abstract available.

Abstract

Background: Microbial inhabitants of soils are important to ecosystem and planetary functions, yet there are large gaps in our knowledge of their diversity and ecology. The 'Biomes of Australian Soil Environments' (BASE) project has generated a database of microbial diversity with associated metadata across extensive environmental gradients at continental scale. As the characterisation of microbes rapidly expands, the BASE database provides an evolving platform for interrogating and integrating microbial diversity and function.

Findings: BASE currently provides amplicon sequences and associated contextual data for over 900 sites encompassing all Australian states and territories, a wide variety of bioregions, vegetation and land-use types. Amplicons target bacteria, archaea and general and fungal-specific eukaryotes. The growing database will soon include metagenomics data. Data are provided in both raw sequence (FASTQ) and analysed OTU table formats and are accessed via the project's data portal, which provides a user-friendly search tool to quickly identify samples of interest. Processed data can be visually interrogated and intersected with other Australian diversity and environmental data using tools developed by the 'Atlas of Living Australia'.

Conclusions: Developed within an open data framework, the BASE project is the first Australian soil microbial diversity database. The database will grow and link to other global efforts to explore microbial, plant, animal, and marine biodiversity. Its design and open access nature ensures that BASE will evolve as a valuable tool for documenting an often overlooked component of biodiversity and the many microbe-driven processes that are essential to sustain soil function and ecosystem services.

Keywords: Australia; Database; Metagenomics; Microbial diversity; Microbial ecology; Microbiology; Soil biology.

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Figures

Fig. 1
Fig. 1
Position of BASE sample sites (August 2015). a Australian mainland and Christmas Island samples; b location of Antarctic sampling locations (white), with Davis station indicated in red; and c finer detail of sampling position indicated by red arrow in (a)
Fig. 2
Fig. 2
Sampling strategy. Approximately 1 kg of soil was taken, at two soil depths, by bulking 9 – 30 soil cores a 25 × 25 m quadrat. Each sample was assigned a unique identifier and subdivided for DNA extraction and sequencing, soil physico-chemical analyses and soil and DNA sample archiving for future use. A photograph of each site was also taken
Fig. 3
Fig. 3
Microbial diversity under different land-use categories sampled in BASE. a Bacterial phyla comprising > 1 % of total bacterial 16S rRNA gene amplicons; b archaeal families comprising > 1 % of total archaeal 16S rRNA gene amplicons; c fungal phyla comprising > 1 % of total fungal ITS1 region amplicons; and d eukaryotic phyla comprising > 1 % of 18S rRNA gene amplicons. All abundances are expressed in % of the total read number for each group, and land-use categories refer to land-use categories as described in the Australian land use and management classification (http://www.agriculture.gov.au/abares/aclump/land-use/alum-classification-version-7-may-2010)

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