Genome Sequence of the Yeast
            <i>Saprochaete ingens</i>
            CBS 517.90

Hodorová, Viktória; Lichancová, Hana; Zubenko, Stanislav; Sienkiewicz, Karolina; Penir, Sarah Mae U.; Afanasyev, Philipp; Boceck, Dominic; Bonnin, Sarah; Hakobyan, Siras; Smyczyńska, Urszula; Zhivkoplias, Erik; Zlatohurska, Maryna; Tralle, Eugeniusz; Frolova, Alina; Pryszcz, Leszek P.; Brejová, Broňa; Vinař, Tomáš; Nosek, Jozef

doi:10.1128/mra.01366-19

Cited by 3 publications

(1 citation statement)

References 17 publications

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“…rRNA sequence annotation and phylogenetic analysis. The genome sequences of M. capitatus, M. ingens, S. fungicola, S. ingens, and S. suaveolens were published previously (Brejová et al 2019a,b;Hodorová et al 2019;Lichancová et al 2019), high contiguity genome assemblies of the remaining magnusiomycete species were determined in our laboratory and will be described elsewhere. The rRNA genes were identified using Rfam 14.0 (Kalvari et al 2018) and the sequences of 5S, 18S, 25S rRNA, and ITS1 -5.8S rRNA -ITS2 were deposited in the Genbank database (Supplementary Table 1).…”

Section: Methodsmentioning

confidence: 99%

Reduction of ribosomal expansion segments in yeast species of theMagnusiomyces/Saprochaeteclade

Brázdovič

Brejová

Siváková

et al. 2023

Preprint

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Ribosomes are ribonucleoprotein complexes highly conserved across all domains of life. The size differences of ribosomal RNAs (rRNAs) can be mainly attributed to variable regions termed expansion segments (ESs) protruding out from the ribosomal surface. The ESs were found to be involved in a range of processes including ribosome biogenesis and maturation, translation, and co-translational protein modification. Here, we analyze the rRNAs of the yeasts from theMagnusiomyces/Saprochaeteclade belonging to the basal lineages of the subphylum Saccharomycotina. We find that these yeasts are missing more than 400 nt from the 25S rRNA and 150 nt from the 18S rRNAs when compared to their canonical counterparts in Saccharomyces cerevisiae. The missing regions mostly map to ESs, thus representing a shift toward a minimal rRNA structure. Despite the structural changes in rRNAs, we did not identify dramatic alterations of the ribosomal protein inventories. We also show that the size-reduced rRNAs are not limited to the species of theMagnusiomyces/Saprochaeteclade, indicating that the shortening of ESs happened independently in several other lineages of the subphylum Saccharomycotina.

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Section: Methodsmentioning

confidence: 99%

Reduction of ribosomal expansion segments in yeast species of theMagnusiomyces/Saprochaeteclade

Brázdovič

Brejová

Siváková

et al. 2023

Preprint

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Taxonomic revision of Geotrichum and Magnusiomyces , with the descriptions of five new Geotrichum species from China

Zhu,

Shang,

Wei

et al. 2024

Mycology

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The arthroconidial yeast-like species currently classified in the asexual genera Geotrichum and Saprochaete and the sexual genera Dipodascus , Galactomyces and Magnusiomyces are frequently associated with dairy and cosmetics production, fruit rot and human infection. However, the taxonomic system of these fungi has not been updated to accommodate the new nomenclature code adopting the “one fungus, one name” principle. Here, we performed phylogenetic analyses of these yeast-like species based on the sequences of the internal transcribed spacer (ITS) region and the D1/D2 domain of the large subunit of the rRNA gene. Two monophyletic groups were recognised from these species. One group contained Dipodascus , Galactomyces , and Geotrichum species and the other Magnusiomyces and Saprochaete species. We thus assigned the species in each group into one genus and selected the genus name Geotrichum for the first group and Magnusiomyces for the second one based on the principle of priority of publication. Five new Geotrichum species were identified from arthroconidial yeast strains recently isolated from various sources in China. The new species are described as Ge. dehoogii sp. nov., Ge. fujianense sp. nov., Ge. maricola sp. nov., Ge. smithiae sp. nov., and Ge. sinensis sp. nov.

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Genomic factors shape carbon and nitrogen metabolic niche breadth across Saccharomycotina yeasts

Opulente,

LaBella,

Harrison

et al. 2024

Science

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Organisms exhibit extensive variation in ecological niche breadth, from very narrow (specialists) to very broad (generalists). Two general paradigms have been proposed to explain this variation: (i) trade-offs between performance efficiency and breadth and (ii) the joint influence of extrinsic (environmental) and intrinsic (genomic) factors. We assembled genomic, metabolic, and ecological data from nearly all known species of the ancient fungal subphylum Saccharomycotina (1154 yeast strains from 1051 species), grown in 24 different environmental conditions, to examine niche breadth evolution. We found that large differences in the breadth of carbon utilization traits between yeasts stem from intrinsic differences in genes encoding specific metabolic pathways, but we found limited evidence for trade-offs. These comprehensive data argue that intrinsic factors shape niche breadth variation in microbes.

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Genome Sequence of the Yeast Saprochaete ingens CBS 517.90

Cited by 3 publications

References 17 publications

Reduction of ribosomal expansion segments in yeast species of theMagnusiomyces/Saprochaeteclade

Reduction of ribosomal expansion segments in yeast species of theMagnusiomyces/Saprochaeteclade

Taxonomic revision of Geotrichum and Magnusiomyces , with the descriptions of five new Geotrichum species from China

Genomic factors shape carbon and nitrogen metabolic niche breadth across Saccharomycotina yeasts

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