Global Mapping of the Yeast Genetic Interaction Network

Author:

Tong Amy Hin Yan12345,Lesage Guillaume12345,Bader Gary D.12345,Ding Huiming12345,Xu Hong12345,Xin Xiaofeng12345,Young James12345,Berriz Gabriel F.12345,Brost Renee L.12345,Chang Michael12345,Chen YiQun12345,Cheng Xin12345,Chua Gordon12345,Friesen Helena12345,Goldberg Debra S.12345,Haynes Jennifer12345,Humphries Christine12345,He Grace12345,Hussein Shamiza12345,Ke Lizhu12345,Krogan Nevan12345,Li Zhijian12345,Levinson Joshua N.12345,Lu Hong12345,Ménard Patrice12345,Munyana Christella12345,Parsons Ainslie B.12345,Ryan Owen12345,Tonikian Raffi12345,Roberts Tania12345,Sdicu Anne-Marie12345,Shapiro Jesse12345,Sheikh Bilal12345,Suter Bernhard12345,Wong Sharyl L.12345,Zhang Lan V.12345,Zhu Hongwei12345,Burd Christopher G.12345,Munro Sean12345,Sander Chris12345,Rine Jasper12345,Greenblatt Jack12345,Peter Matthias12345,Bretscher Anthony12345,Bell Graham12345,Roth Frederick P.12345,Brown Grant W.12345,Andrews Brenda12345,Bussey Howard12345,Boone Charles12345

Affiliation:

1. Banting and Best Department of Medical Research, University of Toronto, Toronto, ON, Canada M5G 1L6.

2. Department of Medical Genetics and Microbiology, University of Toronto, Toronto, ON, Canada M5S 1A8.

3. Biology Department, McGill University, 1205 Dr. Penfield Avenue, Montreal, QC, Canada H3A 1B1.

4. Computational Biology Center, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, Box 460, New York, NY 10021, USA.

5. Department of Biochemistry, University of Toronto, Toronto, ON, Canada M5S 1A8.

Abstract

A genetic interaction network containing ∼1000 genes and ∼4000 interactions was mapped by crossing mutations in 132 different query genes into a set of ∼4700 viable gene yeast deletion mutants and scoring the double mutant progeny for fitness defects. Network connectivity was predictive of function because interactions often occurred among functionally related genes, and similar patterns of interactions tended to identify components of the same pathway. The genetic network exhibited dense local neighborhoods; therefore, the position of a gene on a partially mapped network is predictive of other genetic interactions. Because digenic interactions are common in yeast, similar networks may underlie the complex genetics associated with inherited phenotypes in other organisms.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference30 articles.

1. K. Dolinski et al. Saccharomyces Genome Database (SGD) accessed 19 August 2003. Available at www.yeastgenome.org.

2. Functional profiling of the Saccharomyces cerevisiae genome

3. Systematic Genetic Analysis with Ordered Arrays of Yeast Deletion Mutants

4. Principles for the Buffering of Genetic Variation

5. Materials and Methods are available as supporting online material on Science Online.

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