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Comparative genomics of Aspergillus nidulans and section Nidulantes.
- Theobald, Sebastian;
- Vesth, Tammi;
- Nybo, Jane;
- Frisvad, Jens;
- Kjærbølling, Inge;
- Mondo, Stephen;
- LaButti, Kurt;
- Haridas, Sajeet;
- Riley, Robert;
- Kuo, Alan;
- Salamov, Asaf;
- Pangilinan, Jasmyn;
- Lipzen, Anna;
- Koriabine, Maxim;
- Yan, Mi;
- Barry, Kerrie;
- Clum, Alicia;
- Lyhne, Ellen;
- Drula, Elodie;
- Wiebenga, Ad;
- Müller, Astrid;
- Lubbers, Ronnie;
- Kun, Roland;
- Dos Santos Gomes, Ana;
- Mäkelä, Miia;
- Henrissat, Bernard;
- Simmons, Blake;
- Magnuson, Jon;
- Hoof, Jakob;
- Mortensen, Uffe;
- Dyer, Paul;
- Momany, Michelle;
- Larsen, Thomas;
- Grigoriev, Igor;
- Baker, Scott;
- de Vries, Ronald;
- Andersen, Mikael
- et al.
Published Web Location
https://doi.org/10.1016/j.crmicr.2025.100342Abstract
Aspergillus nidulans is an important model organism for eukaryotic biology and the reference for the section Nidulantes in comparative studies. In this study, we de novo sequenced the genomes of 25 species of this section. Whole-genome phylogeny of 34 Aspergillus species and Penicillium chrysogenum clarifies the position of clades inside section Nidulantes. Comparative genomics reveals a high genetic diversity between species with 684 up to 2433 unique protein families. Furthermore, we categorized 2118 secondary metabolite gene clusters (SMGC) into 603 families across Aspergilli, with at least 40 % of the families shared between Nidulantes species. Genetic dereplication of SMGC and subsequent synteny analysis provides evidence for horizontal gene transfer of a SMGC. Proteins that have been investigated in A. nidulans as well as its SMGC families are generally present in the section Nidulantes, supporting its role as model organism. The set of genes encoding plant biomass-related CAZymes is highly conserved in section Nidulantes, while there is remarkable diversity of organization of MAT-loci both within and between the different clades. This study provides a deeper understanding of the genomic conservation and diversity of this section and supports the position of A. nidulans as a reference species for cell biology.
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