{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T13:32:19Z","timestamp":1762867939955},"reference-count":14,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2019,10,14]],"date-time":"2019-10-14T00:00:00Z","timestamp":1571011200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"name":"Spanish Ministry of Science"},{"name":"Innovation and Universities"},{"name":"FEDER\/ERDF","award":["DPI2017-82896-C2-2-R"],"award-info":[{"award-number":["DPI2017-82896-C2-2-R"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,3,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Motivation<\/jats:title>\n                  <jats:p>Multi-steady state behaviour, and in particular multi-stability, provides biological systems with the capacity to take reliable decisions (such as cell fate determination). A problem arising frequently in systems biology is to elucidate whether a signal transduction mechanism or a gene regulatory network has the capacity for multi-steady state behaviour, and consequently for a switch-like response to stimuli. Bifurcation diagrams are a powerful instrument in non-linear analysis to study the qualitative and quantitative behaviour of equilibria including bifurcation into different equilibrium branches and bistability. However, in the context of signalling pathways, the inherent large parametric uncertainty hampers the (direct) use of standard bifurcation tools.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>We present BioSwitch, a toolbox to detect multi-steady state behaviour in signalling pathways and gene regulatory networks. The tool combines results from chemical reaction network theory with global optimization to efficiently detect whether a signalling pathway has the capacity to undergo a saddle node bifurcation, and in case of multi-stationarity, provides the exact coordinates of the bifurcation where to start a numerical continuation analysis with standard bifurcation tools, leading to two different branches of equilibria. Bistability detection in the G1\/S transition pathway of Saccharomyces cerevisiae is included as an illustrative example.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Availability and implementation<\/jats:title>\n                  <jats:p>BioSwitch runs under the popular MATLAB computational environment, and is available at https:\/\/sites.google.com\/view\/bioswitch.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/bioinformatics\/btz746","type":"journal-article","created":{"date-parts":[[2019,10,10]],"date-time":"2019-10-10T19:57:36Z","timestamp":1570737456000},"page":"1640-1641","source":"Crossref","is-referenced-by-count":13,"title":["BioSwitch: a tool for the detection of bistability and multi-steady state behaviour in signalling and gene regulatory networks"],"prefix":"10.1093","volume":"36","author":[{"given":"Pencho","family":"Yordanov","sequence":"first","affiliation":[{"name":"Department of Biosystems Science and Engineering and SIB Swiss Institute of Bioinformatics , ETH Zurich, 4058 Basel, Switzerland"}]},{"given":"Joerg","family":"Stelling","sequence":"additional","affiliation":[{"name":"Department of Biosystems Science and Engineering and SIB Swiss Institute of Bioinformatics , ETH Zurich, 4058 Basel, Switzerland"}]},{"given":"Irene","family":"Otero-Muras","sequence":"additional","affiliation":[{"name":"BioProcess Engineering Group , IIM-CSIC, Spanish National Research Council, 36208 Vigo, Spain"}]}],"member":"286","published-online":{"date-parts":[[2019,10,14]]},"reference":[{"key":"2023060910384136700_btz746-B1","doi-asserted-by":"crossref","first-page":"3688.","DOI":"10.1093\/bioinformatics\/bti603","article-title":"Bifurcation discovery tool","volume":"21","author":"Chickarmane","year":"2005","journal-title":"Bioinformatics"},{"key":"2023060910384136700_btz746-B2","doi-asserted-by":"crossref","first-page":"19175.","DOI":"10.1073\/pnas.0705731104","article-title":"Subnetwork analysis reveals dynamic features of complex (bio)chemical networks","volume":"104","author":"Conradi","year":"2007","journal-title":"Proc. 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