The genetic landscape of a physical interaction
Open accessAbstract
A key question in human genetics and evolutionary biology is how mutations in different genes combine to alter phenotypes. Efforts to systematically map genetic interactions have mostly made use of gene deletions. However, most genetic variation consists of point mutations of diverse and difficult to predict effects. Here, by developing a new sequencing-based protein interaction assay – deepPCA – we quantified the effects of >120,000 pairs of point mutations on the formation of the AP-1 transcription factor complex between the products of the FOS and JUN proto-oncogenes. Genetic interactions are abundant both in cis (within one protein) and trans (between the two molecules) and consist of two classes – interactions driven by thermodynamics that can be predicted using a three-parameter global model, and structural interactions between proximally located residues. These results reveal how physical interactions generate quantitatively predictable genetic interactions.
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Yeast models have been used to screen human disease genes in complementation assays, where the human gene functionally replaces a homologous yeast gene essential for growth, as well as protein-protein and protein-DNA interactions.
“Yeast models have also been used to screen human disease genes in complementation assays, where the human gene functionally replaces a homologous yeast gene essential for growth (47), as well as protein–protein and protein–DNA interactions (67, 68).”
From Massively parallel functional genomic assays in endocrinology: from promise to delivery (2026) · cites this paper as [67]
The Results (no page listed) describe a yeast assay that measures how mutations in human FOS and JUN affect their protein–protein interaction, supporting that part of the clause cited to this paper. The paper does not report screening protein–DNA interactions. The earlier claim about replacing an essential yeast gene is attached to citation 47, not this source; this paper’s complementation assay instead joins enzyme fragments when two proteins interact. (LLM, conf=0.88)
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Cites
AP-1 as a regulator of cell life and death
Shaulian, E., & Karin, M. (2002) · Nature Cell Biology · doi:10.1038/ncb0502-e131 · Cited by 2,961 · cited 1× · see citing works
“We used the assay to systematically and comprehensively determine the effects of combinations of mutations in the proto-oncogenes FOS and JUN on the formation of the AP-1 transcription factor complex (Shaulian and Karin, 2002).”
MethodThe Genetic Landscape of a Cell
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“Additional non-linearities occur in the folding of individual proteins or RNAs (‘threshold robustness’) (Bershtein et al., 2006; Olson et al., 2014; Tokuriki and Tawfik, 2009), in saturating enzyme flux (Kacser and Burns, 1973; Stiffler et al., 2015), and in regulatory dynamics (Gjuvsland et al.,…”
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Cited by
Sorted by citations
The Causes and Consequences of Genetic Interactions (Epistasis)
Domingo, J., Baeza-Centurion, P., & Lehner, B. (2019) · Annual Review of Genomics and Human Genetics · doi:10.1146/annurev-genom-083118-014857 · Cited by 242 · see citing works
Self-citationManrubia, S., Cuesta, J. A., Aguirre, J., Ahnert, S. E., Altenberg, L., Cano, A. V., Catalán, P., Diaz-Uriarte, R., Elena, S. F., García-Martín, J. A., et al. (2021) · Physics of Life Reviews · doi:10.1016/j.plrev.2021.03.004 · Cited by 88 · see citing works
Genetic interaction mapping informs integrative structure determination of protein complexes
Braberg, H., Echeverria, I., Bohn, S., Cimermancic, P., Shiver, A., Alexander, R., Xu, J., Shales, M., Dronamraju, R., Jiang, S., et al. (2020) · Science · doi:10.1126/science.aaz4910 · Cited by 37 · see citing works
Massively parallel functional genomic assays in endocrinology: from promise to delivery
Xu, J., Aslanzadeh, V., Kudla, G., & Semple, R. K. (2026) · Journal of Molecular Endocrinology · doi:10.1530/jme-25-0134
- Authors
- Diss, G., & Lehner, B.
- Affiliations
- Universitat Pompeu Fabra (ES)
- Institució Catalana de Recerca i Estudis Avançats (ES)
- Corresponding author
- Lehner, Ben
- Venue
- eLife
- Publisher
- eLife Sciences Publications, Ltd
- Published
- 2018-04-11
- Volume
- 7
- ISSN
- 2050-084X (ISSN-L)
- PMC
- PMC5896888
- OpenAlex
- W2797104734
- Cited by
- 140
- References
- 4
- Citations by year
- 2026: 14 · 2025: 16 · 2024: 17 · 2023: 22 · 2022: 14 · 2021: 11 · 2020: 22 · 2019: 19 · 2018: 5
- FWCI
- 8.61
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- eLife (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- RECERCAT (Consorci de Serveis Universitaris de Catalunya) (publishedVersion, other-oa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Repositori digital de la UPF (Universitat Pompeu Fabra) (submittedVersion, cc-by)
- Funders
- European Research Council (616434)
- AXA Research Fund (Professorship)
- Ministerio de Economía y Competitividad (BFU2011-26206 and SEV-2012-0208)
- Agència de Gestió d’Ajuts Universitaris i de Recerca (SGR-831)
- Fondation Bettencourt Schueller (Bettencourt Prize)
- European Commission (Marrie-Currie co-fund fellowship 608959)
- EMBL-CRG (Systems Biology Program)
- Generalitat de Catalunya (CERCA Program)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
- Keywords
- genetic interactions, point mutations, protein-protein interaction, AP-1 transcription factor, FOS, c-Jun, thermodynamic interactions, structural interaction, protein complex formation, genotype-phenotype mapping
- MeSH terms
- Algorithms, Epistasis, Genetic, Biological Evolution, Humans, Models, Genetic, Mutation, Protein Conformation, Thermodynamics, Proto-Oncogene Proteins c-jun, Proto-Oncogene Proteins c-fos, Protein Interaction Maps
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