Leveraging single-cell genomics to expand the fungal tree of life

Environmental DNA surveys reveal that most fungal diversity represents uncultured species. We sequenced the genomes of eight uncultured species across the fungal tree of life using a new single-cell genomics pipeline. We show that, despite a large variation in genome and gene space recovery from eac...

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Veröffentlicht in:Nature microbiology 2018-12, Vol.3 (12), p.1417-1428
Hauptverfasser: Ahrendt, Steven R., Quandt, C. Alisha, Ciobanu, Doina, Clum, Alicia, Salamov, Asaf, Andreopoulos, Bill, Cheng, Jan-Fang, Woyke, Tanja, Pelin, Adrian, Henrissat, Bernard, Reynolds, Nicole K., Benny, Gerald L., Smith, Matthew E., James, Timothy Y., Grigoriev, Igor V.
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Sprache:eng
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Zusammenfassung:Environmental DNA surveys reveal that most fungal diversity represents uncultured species. We sequenced the genomes of eight uncultured species across the fungal tree of life using a new single-cell genomics pipeline. We show that, despite a large variation in genome and gene space recovery from each single amplified genome (SAG), ≥90% can be recovered by combining multiple SAGs. SAGs provide robust placement for early-diverging lineages and infer a diploid ancestor of fungi. Early-diverging fungi share metabolic deficiencies and show unique gene expansions correlated with parasitism and unculturability. Single-cell genomics holds great promise in exploring fungal diversity, life cycles and metabolic potential. Single-cell genome sequencing of eight uncultured fungal species provides insights into the phylogenetic placement of early-diverging lineages, highlights metabolic deficiencies and identifies gene expansions correlated with parasitism and unculturability.
ISSN:2058-5276
2058-5276
DOI:10.1038/s41564-018-0261-0