H
Helena Friesen
Researcher at University of Toronto
Publications - 38
Citations - 4528
Helena Friesen is an academic researcher from University of Toronto. The author has contributed to research in topics: Saccharomyces cerevisiae & Gene. The author has an hindex of 23, co-authored 37 publications receiving 4164 citations.
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Journal ArticleDOI
Global Mapping of the Yeast Genetic Interaction Network
Amy Hin Yan Tong,Guillaume Lesage,Gary D. Bader,Huiming Ding,Hong Xu,Xiaofeng Xin,James D. Young,Gabriel F. Berriz,Renee L. Brost,Michael Chang,Yiqun Chen,Xin Cheng,Gordon Chua,Helena Friesen,Debra S. Goldberg,Jennifer Haynes,Christine Humphries,Grace He,Shamiza Hussein,Lizhu Ke,Nevan J. Krogan,Zhijian Li,Joshua N. Levinson,Hong Lu,Patrice Menard,Christella Munyana,Ainslie B. Parsons,Owen Ryan,Raffi Tonikian,Tania Michelle Roberts,Anne-Marie Sdicu,Jesse Shapiro,Bilal N. Sheikh,Bernhard Suter,Sharyl L. Wong,Lan V. Zhang,Hongwei Zhu,Christopher G. Burd,Sean Munro,Chris Sander,Jasper Rine,Jack Greenblatt,Matthias Peter,Anthony Bretscher,Graham Bell,Frederick P. Roth,Grant W. Brown,Brenda J. Andrews,Howard Bussey,Charles Boone +49 more
TL;DR: Because digenic interactions are common in yeast, similar networks may underlie the complex genetics associated with inherited phenotypes in other organisms.
Journal ArticleDOI
Comprehensive curation and analysis of global interaction networks in Saccharomyces cerevisiae
Teresa Reguly,Ashton Breitkreutz,Lorrie Boucher,Bobby Joe Breitkreutz,Gary C. Hon,Chad L. Myers,Ainslie B. Parsons,Helena Friesen,Rose Oughtred,Amy Hin Yan Tong,Chris Stark,Yuen Ho,David Botstein,Brenda J. Andrews,Charles Boone,Olga G. Troyanskya,Trey Ideker,Kara Dolinski,Nizar N. Batada,Mike Tyers +19 more
TL;DR: This work describes here a comprehensive database of genetic and protein interactions, and associated experimental evidence, for the budding yeast Saccharomyces cerevisiae, as manually curated from over 31,793 abstracts and online publications, and shows that the LC dataset considerably improves the predictive power of network-analysis approaches.
Journal ArticleDOI
Yeast Proteome Dynamics from Single Cell Imaging and Automated Analysis
Yolanda T. Chong,Judice L. Y. Koh,Helena Friesen,Supipi Kaluarachchi Duffy,Michael J. Cox,Alan M. Moses,Jason Moffat,Charles Boone,Brenda J. Andrews +8 more
TL;DR: To evaluate protein abundance and localization on a proteome scale, the yeast GFP-fusion collection is exploited in a pipeline combining automated genetics, high-throughput microscopy, and computational feature analysis.
Journal ArticleDOI
High-Content Screening for Quantitative Cell Biology.
Mojca Mattiazzi Usaj,Erin B. Styles,Adrian J. Verster,Helena Friesen,Charles Boone,Brenda J. Andrews +5 more
TL;DR: Some recent applications of HCS are described, ranging from the identification of genes required for specific biological processes to the characterization of genetic interactions, and major challenges associated with each are described.
Journal ArticleDOI
NDT80 and the Meiotic Recombination Checkpoint Regulate Expression of Middle Sporulation-Specific Genes in Saccharomyces cerevisiae
TL;DR: It is found that entry into the meiotic divisions was not required for activation of middle sporulation genes; these genes were efficiently expressed in a clb1 clb3 clb4 strain, which fails to enter the meiosis divisions due to reduced Clb-dependent activation of Cdc28p kinase.