Journal
PLANT SCIENCE
Volume 276, Issue -, Pages 14-21Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.plantsci.2018.07.013
Keywords
Network properties; Resilience; Tunability; Arabidopsis; Network reconstitution; Network modeling
Categories
Funding
- National Science Foundation [MCB-1518058, IOS-1645460]
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For predictive biology of a large and complex network, important mechanistic information consists of network topology, signal-convergence rules, and signal dynamics. In practice, the key to enabling predictive modeling of a complex network is reducing it sufficiently to allow modeling without omitting important factors affecting network behavior. Here I argue that the plant immune signaling network must have high levels of resilience and tunability based on the fundamental facts that plants are evolutionarily disadvantaged relative to microbial pathogens and that unnecessary immune response is bad for plants. By reducing the middle part of the immune signaling network to a four-sector network, we previously showed that the middle part indeed has high levels of resilience and tunability and from what signaling strategies the network properties emerge. The ability to comprehensively reconstitute the reduced network enabled a reductionist approach to a resilient network, which was crucial for revealing signaling mechanisms concealed by network resilience. However, this four-sector network may be reduced too much to make a predictive model with relatively simple signal-convergence rules and probably requires deconvolution to generate a highly predictive network model with a set of simple signal convergence rules.
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