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Title: Taxogenomic analysis of a novel yeast species isolated from soil, Pichia galeolata sp. nov.

Journal Article · · Yeast
DOI: https://doi.org/10.1002/yea.3905 · OSTI ID:2294086
 [1];  [2];  [2];  [2];  [2];  [3]; ORCiD logo [2]
  1. University of Wisconsin‐Madison, WI (United States); Villanova University, PA (United States)
  2. University of Wisconsin‐Madison, WI (United States)
  3. Westerdijk Fungal Biodiversity Institute, Utrecht (The Netherlands)
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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 yHMH446 falls within a clade that includes Pichia norvegensis, Pichia pseudocactophila, Candida inconspicua, and Pichia cactophila. Whole genome sequence data were analyzed for the presence of genes known to be important for carbon and nitrogen metabolism, and the phenotypic data from the novel species were compared to all Pichia species with publicly available genomes. Across the genus, including the novel species candidate, we found that the inability to use many carbon and nitrogen sources correlated with the absence of metabolic genes. Based on these results, Pichia galeolata sp. nov. is proposed to accommodate yHMH446T (=NRRL Y-64187 = CBS 16864). This study shows how integrated taxogenomic analysis can add mechanistic insight to species descriptions.

Research Organization:
Great Lakes Bioenergy Research Center (GLBRC), Madison, WI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER); National Science Foundation (NSF)
Grant/Contract Number:
SC0018409; DEB-1253634; DEB-1442148; DEB-2110403; DGE-1256259
OSTI ID:
2294086
Journal Information:
Yeast, Vol. 40, Issue 12; ISSN 0749-503X
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

References (23)

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Population genomics shows no distinction between pathogenic Candida krusei and environmental Pichia kudriavzevii: One species, four names journal July 2018
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Towards yeast taxogenomics: lessons from novel species descriptions based on complete genome sequences journal July 2020
Codon Optimization Improves the Prediction of Xylose Metabolism from Gene Content in Budding Yeasts journal May 2023
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BUSCO: assessing genome assembly and annotation completeness with single-copy orthologs journal June 2015
Substrate, temperature, and geographical patterns among nearly 2000 natural yeast isolates journal November 2021
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In Silico Whole Genome Sequencer and Analyzer (iWGS): a Computational Pipeline to Guide the Design and Analysis of de novo Genome Sequencing Studies journal September 2016

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59 BASIC BIOLOGICAL SCIENCES
genome sequence
genotype‐phenotype map
novel species
taxogenomics
yeast