Project description
Understanding how and why plant cells commit suicide during development
Programmed cell death (PCD) is an evolutionarily conserved process in multicellular organisms in which unneeded or abnormal cells ‘commit suicide’ by activating an intracellular death programme. PCD is important in development, homeostasis and response to stresses, and its dysregulation plays a role in many diseases. Little is known about PCD in plants. Arabidopsis thaliana is a model system widely used to study plant biology. Using its previously developed Arabidopsis thaliana root cap developmental PCD model system, the European Research Council-funded PROCELLDEATH project will attempt to answer unresolved fundamental questions about the regulation of developmental PCD in plants. Insight from this research could lead to novel agricultural applications.
Objective
Programmed cell death (PCD) is a fundamental biological process that actively terminates a cell’s vital functions by a well-ordered sequence of events. In both animals and plants, various types of PCD are crucial for development, health, and the responses to various stresses. Despite their importance, only little is known about PCD processes and their molecular control in plants. Still, an intricate regulatory network must exist that renders specific plant cell types competent to initiate and execute PCD at precisely determined developmental stages. I recently established a powerful developmental PCD model system in Arabidopsis thaliana, based on a PCD process occurring during root cap development. This root cap model has the potential to revolutionize existing concepts of plant PCD, as it combines a precisely predictable PCD process in easily accessible cells on the root periphery with the abundance of resources available for Arabidopsis research. Exploiting the root cap system will enable me to tackle unresolved fundamental questions about the regulation of developmental PCD in plants: How do cells acquire PCD competency during differentiation? Which signals trigger PCD execution at just the right moment? What are the actual mechanisms that disrupt the vital functions of a plant cell? I will obtain answers to these questions through a comprehensive strategy combining complementary approaches, taking advantage of cell-type specific transcriptomics, forward and reverse genetics, advanced live-cell imaging, biochemistry, and computational modeling. Our unpublished data point to the existence of a common core mechanism controlling PCD not only in the root cap, but also in other vital organs including the vasculature, anthers, or developing seeds. Thus, this project will not only be significant to advance our knowledge on PCD as a general developmental mechanism in plants, but also to generate new leads to tap the so far underexploited potential of PCD in agriculture.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
- natural sciences biological sciences biochemistry
- agricultural sciences agricultural biotechnology agricultural genetics
- agricultural sciences agriculture, forestry, and fisheries agriculture agronomy
- natural sciences computer and information sciences computational science
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.1. - EXCELLENT SCIENCE - European Research Council (ERC)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Call for proposal
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(opens in new window) ERC-2014-STG
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9052 ZWIJNAARDE - GENT
Belgium
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