Quinn K. Langdon
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View article: Taxogenomic Analysis of a Novel Yeast Species, <i>Lachancea rosae</i> Sp. Nov. F.A., Isolated From the Wild Rose <i>Rosa californica</i>
Taxogenomic Analysis of a Novel Yeast Species, <i>Lachancea rosae</i> Sp. Nov. F.A., Isolated From the Wild Rose <i>Rosa californica</i> Open
A novel Saccharomycotina yeast strain, yHQL494, was isolated from the rose hip of the wild rose Rosa californica from Castle Crags State Park, California, USA. Phylogenetic analyses of both whole genome data and the sequences from the D1/D…
View article: A taxogenomic view of the genus <i>Torulaspora</i>: an expansion from ten to twenty-two species
A taxogenomic view of the genus <i>Torulaspora</i>: an expansion from ten to twenty-two species Open
The yeast genus Torulaspora (subphylum Saccharomycotina, family Saccharomycetaceae) is mostly known from its type species, T. delbrueckii, a frequent colonizer of wine and sourdough bread fermentations. The genu…
View article: Pervasive gene flow despite strong and varied reproductive barriers in swordtails
Pervasive gene flow despite strong and varied reproductive barriers in swordtails Open
The evolution of reproductive barriers leads to the formation of new species. However, recent research has demonstrated that hybridization has been pervasive across the tree of life even in the presence of strong barriers. Using swordtail …
View article: Repeatable Selection on Large Ancestry Blocks in an Avian Hybrid Zone
Repeatable Selection on Large Ancestry Blocks in an Avian Hybrid Zone Open
Hybrid zones create natural tests of genetic incompatibilities by combining loci from 2 species in the same genetic background in the wild, making them useful for identifying loci involved in both intrinsic and ecological (extrinsic) isola…
View article: Swordtail fish hybrids reveal that genome evolution is surprisingly predictable after initial hybridization
Swordtail fish hybrids reveal that genome evolution is surprisingly predictable after initial hybridization Open
Over the past 2 decades, biologists have come to appreciate that hybridization, or genetic exchange between distinct lineages, is remarkably common—not just in particular lineages but in taxonomic groups across the tree of life. As a resul…
View article: Genomic factors shape carbon and nitrogen metabolic niche breadth across Saccharomycotina yeasts
Genomic factors shape carbon and nitrogen metabolic niche breadth across Saccharomycotina yeasts Open
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 efficienc…
View article: Pervasive gene flow despite strong and varied reproductive barriers in swordtails
Pervasive gene flow despite strong and varied reproductive barriers in swordtails Open
One of the mechanisms that can lead to the formation of new species occurs through the evolution of reproductive barriers. However, recent research has demonstrated that hybridization has been pervasive across the tree of life even in the …
View article: A lethal mitonuclear incompatibility in complex I of natural hybrids
A lethal mitonuclear incompatibility in complex I of natural hybrids Open
View article: Genome evolution is surprisingly predictable after initial hybridization
Genome evolution is surprisingly predictable after initial hybridization Open
Over the past two decades, evolutionary biologists have come to appreciate that hybridization, or genetic exchange between distinct lineages, is remarkably common – not just in particular lineages but in taxonomic groups across the tree of…
View article: Taxogenomic analysis of a novel yeast species isolated from soil, <i>Pichia galeolata</i> sp. nov.
Taxogenomic analysis of a novel yeast species isolated from soil, <i>Pichia galeolata</i> sp. nov. Open
A novel budding yeast species was isolated from a soil sample collected in the United States of America. Phylogenetic analyses of multiple loci and phylogenomic analyses conclusively placed the species within the genus Pichia . Strain yHMH…
View article: Genomic and ecological factors shaping specialism and generalism across an entire subphylum
Genomic and ecological factors shaping specialism and generalism across an entire subphylum Open
Organisms exhibit extensive variation in ecological niche breadth, from very narrow (specialists) to very broad (generalists). Paradigms proposed to explain this variation either invoke trade-offs between performance efficiency and breadth…
View article: Macroevolutionary diversity of traits and genomes in the model yeast genus Saccharomyces
Macroevolutionary diversity of traits and genomes in the model yeast genus Saccharomyces Open
View article: Complex hybridization between deeply diverged fish species in a disturbed ecosystem
Complex hybridization between deeply diverged fish species in a disturbed ecosystem Open
Over the past two decades researchers have documented the extent of natural hybridization between closely related species using genomic tools. Many species across the tree of life show evidence of past hybridization with their evolutionary…
View article: Macroevolutionary diversity of traits and genomes in the model yeast genus <i>Saccharomyces</i>
Macroevolutionary diversity of traits and genomes in the model yeast genus <i>Saccharomyces</i> Open
Species is the fundamental unit to quantify biodiversity. In recent years, the model yeast Saccharomyces cerevisiae has seen an increased number of studies related to its geographical distribution, population structure, and phenotypic dive…
View article: Predictability and parallelism in the contemporary evolution of hybrid genomes
Predictability and parallelism in the contemporary evolution of hybrid genomes Open
Hybridization between species is widespread across the tree of life. As a result, many species, including our own, harbor regions of their genome derived from hybridization. Despite the recognition that this process is widespread, we under…
View article: Substrate, temperature, and geographical patterns among nearly 2000 natural yeast isolates
Substrate, temperature, and geographical patterns among nearly 2000 natural yeast isolates Open
Yeasts have broad importance as industrially and clinically relevant microbes and as powerful models for fundamental research, but we are only beginning to understand the roles yeasts play in natural ecosystems. Yeast ecology is often more…
View article: Two new hybrid populations expand the swordtail hybridization model system
Two new hybrid populations expand the swordtail hybridization model system Open
Natural hybridization events provide unique windows into the barriers that keep species apart as well as the consequences of their breakdown. Here, we characterize hybrid populations formed between the northern swordtail fish Xiphophorus c…
View article: The genomic consequences of hybridization
The genomic consequences of hybridization Open
In the past decade, advances in genome sequencing have allowed researchers to uncover the history of hybridization in diverse groups of species, including our own. Although the field has made impressive progress in documenting the extent o…
View article: A Lethal Genetic Incompatibility between Naturally Hybridizing Species in Mitochondrial Complex I
A Lethal Genetic Incompatibility between Naturally Hybridizing Species in Mitochondrial Complex I Open
The evolution of reproductive barriers is the first step in the formation of new species and can help us understand the diversification of life on Earth. These reproductive barriers often take the form of “hybrid incompatibilities,” where …
View article: Substrate, temperature, and geographical patterns among nearly 2,000 natural yeast isolates
Substrate, temperature, and geographical patterns among nearly 2,000 natural yeast isolates Open
Yeasts have broad importance as industrially and clinically relevant microbes and as powerful models for fundamental research, but we are only beginning to understand the roles yeasts play in natural ecosystems. Yeast ecology is often more…
View article: Predictability and parallelism in the contemporary evolution of hybrid genomes
Predictability and parallelism in the contemporary evolution of hybrid genomes Open
Hybridization between species is widespread across the tree of life. As a result, many species, including our own, harbor regions of their genome derived from hybridization. Despite the recognition that this process is widespread, we under…
View article: Two new hybrid zones expand the swordtail hybridization model system
Two new hybrid zones expand the swordtail hybridization model system Open
Natural hybridization events provide unique windows into the barriers that keep species apart as well as the consequences of their breakdown. Here we characterize hybrid populations formed between the northern swordtail fish Xiphophorus co…
View article: Towards yeast taxogenomics: lessons from novel species descriptions based on complete genome sequences
Towards yeast taxogenomics: lessons from novel species descriptions based on complete genome sequences Open
In recent years, ‘multi-omic’ sciences have affected all aspects of fundamental and applied biological research. Yeast taxonomists, though somewhat timidly, have begun to incorporate complete genomic sequences into the description of novel…
View article: Postglacial migration shaped the genomic diversity and global distribution of the wild ancestor of lager-brewing hybrids
Postglacial migration shaped the genomic diversity and global distribution of the wild ancestor of lager-brewing hybrids Open
The wild, cold-adapted parent of hybrid lager-brewing yeasts, Saccharomyces eubayanus, has a complex and understudied natural history. The exploration of this diversity can be used both to develop new brewing applications and to enlighten …
View article: Into the wild: new yeast genomes from natural environments and new tools for their analysis
Into the wild: new yeast genomes from natural environments and new tools for their analysis Open
Genomic studies of yeasts from the wild have increased considerably in the past few years. This revolution has been fueled by advances in high-throughput sequencing technologies and a better understanding of yeast ecology and phylogeograph…
View article: Fermentation innovation through complex hybridization of wild and domesticated yeasts
Fermentation innovation through complex hybridization of wild and domesticated yeasts Open
View article: Genomic diversity and global distribution of <i>Saccharomyces eubayanus</i>, the wild ancestor of hybrid lager-brewing yeasts
Genomic diversity and global distribution of <i>Saccharomyces eubayanus</i>, the wild ancestor of hybrid lager-brewing yeasts Open
S. eubayanus , the wild, cold-tolerant parent of hybrid lager-brewing yeasts, has a complex and understudied natural history. The exploration of this diversity can be used both to develop new brewing applications and to enlighten our under…
View article: Pathogenic budding yeasts isolated outside of clinical settings
Pathogenic budding yeasts isolated outside of clinical settings Open
Budding yeasts are distributed across a wide range of habitats, including as human commensals. However, under some conditions, these commensals can cause superficial, invasive, and even lethal infections. Despite their importance to human …
View article: Pathogenic Budding Yeasts Isolated outside of Clinical Settings
Pathogenic Budding Yeasts Isolated outside of Clinical Settings Open
Budding yeasts are distributed across a wide range of habitats, including as human commensals. However, under some conditions, these commensals can cause superficial, invasive, and even lethal infections. Despite their importance to human …
View article: Tempo and Mode of Genome Evolution in the Budding Yeast Subphylum
Tempo and Mode of Genome Evolution in the Budding Yeast Subphylum Open