SGD Newsletter, Spring 2021

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About this newsletter:

This is the Summer 2021 issue of the SGD newsletter. The goal of this newsletter is to inform our users about new features in SGD and to foster communication within the yeast community.

R64.3 Annotation Update

SGD curators periodically update the chromosomal annotations of the S. cerevisiae Reference Genome, which is derived from strain S288C.

The R64.3 annotation release included various updates and additions:

Various sequence and annotation files are available on SGD's Downloads site. You can find more update details and read about the new systematic nomenclature system for noncoding RNA genes on the Details of 2021 Reference Genome Annotation Update R64.3 SGD Wiki page.

New Homology Pages

SGD is excited to introduce our new Homology Pages! These pages can be accessed by clicking on the Homology tab in the header of SGD gene pages, as seen below.

The information displayed on the Homology Pages is divided into several sections:

  • Homologs: Information about known homologs for the gene of interest, such as the species of the homolog, the corresponding Gene ID from the Alliance of Genome Resources, and the name of the homolog.
  • Functional Complementation: Data about cross-species functional complementation between yeast and other species, curated by SGD and the Princeton Protein Orthology Database (P-POD).
  • Fungal Homologs: Curated homolog information for 24 additional species of fungi. View the species of the fungal homolog, the database source of the entry, and the Gene ID of the homolog from that database.
  • External Identifiers: A list of external identifiers for the protein from various database sources.

Image: 650 pixels

Image: 650 pixels

Functional Complementation Data Available on References Pages

Functional Complementation annotations are now viewable on reference pages for which there is curatable functional complementation data. This information describes cross-species functional complementation between yeast and other species, and is curated by SGD and the Princeton Protein Orthology Database (P-POD).

functional comp3.png

YeastMine Updates and New Templates

SGD has updated the current Gene-->UTRs YeastMine template with newly calculated 5' and 3' UTR sequence/coordinates. Additionally, transcript iso-forms for specific genes from the Pelachano et al., 2013 study can be accessed in YeastMine using the new Gene-->Transcripts template. Both templates can be found under the "Templates" section of YeastMine under the "Expression" category.

Transcript and UTR YeastMine Templates

Textpresso Central Update

Textpresso Central homepage

Textpresso has recently been updated with a new system, adopting an overhauled user interface and introducing several new features including:

  • Search results shown in the context of the full text
  • Custom corpus creation
  • Customizable annotation interface
  • Search terms are highlighted in full-text view

Textpresso Central can also be accessed by clicking on "Full-text Search" under the Literature pull-down menu on the home page of SGD. More information about the changes and types of papers stored in Textpresso can be found in their About Us help section or (from Müller et al).

Number of Curated Alleles Continues to Grow

SGD now has approximately 13,000 alleles that are either fully or partially curated. To navigate to an allele page, use the search bar to find a specific allele or enter a gene name and select an allele from the autocomplete list. Additionally, these pages can be accessed by clicking on the allele name in a gene’s Phenotype Annotation table. SGD Curators continue to add new alleles or update existing ones as new information becomes available.

You can generate a list of all alleles in our database or find alleles for a specific gene using the Genes --> Alleles template in YeastMine.

allele page.png

Alliance of Genome Resources - Disease Associations for model organisms

Did you know that you can find human disease associations for yeast genes and their orthologs in other key model organisms at the Alliance of Genome Resources?

SGD is a founding member of the Alliance of Genome Resources, which was established to facilitate the use of diverse model organisms in understanding the genetic and genomic bases of human biology, health, and disease. Gene pages for yeast and other model organisms at the Alliance include a section for Disease Associations, including those for orthologous genes. Human diseases are represented using the Disease Ontology (DO).


Fungal Pathogen Genomics Workshop


From May 10th - 14th, Senior Biocuration Scientist Edith Wong, Senior Biocuration Scientist Rob Nash, Senior Biocuration Scientist Marek Skrzypek, Biocuration Scientist Suzi Aleksander, and Associate Biocuration Scientist Micheal Alexander were instructors for the Virtual Fungal Pathogen Genomics Workshop hosted by Wellcome Connecting Science. Our curators helped attendees learn more about the unique tools hosted on our website and provided them the opportunity to learn about other curation tools from FungiDB, EnsemblFungi, CGD, MycoCosm, and JGI.

We would like to thank the Fungal Pathogen Genomics team for facilitating a successful virtual workshop, and for providing excellent training in web-based data mining resources for all attendees.