Objective
Molecular machines---assemblies of macromolecules, often fueled by nucleotide hydrolysis---are fascinating devices and crucial for driving self-organization in cells. While protein components of many biological machines have been identified, and in many cases their structures have been solved, the mechanical principles that govern the operation of biological machines are poorly understood. For example, how
much force can they generate; and what limits their speed and efficiency? These questions have been difficult to answer because the tools needed to study nanometer-sized machines that generate minute forces on the order of piconewtons have not been available until recently. Friction arises between proteins when they interact by making and breaking weak intermolecular bonds. When a bond breaks, the energy
stored in its deformation is dissipated. Protein friction is a useful concept because it provides mechanical insight and allows for quantitative theoretical understanding of the dynamics and energy balance of mechanical cellular processes. In cells, many motor proteins often cooperate to drive motility. I will ask how friction and force-generation arise and scale with the number of motors to elucidate how collective behavior and self-organization emerge. The goals of this interdisciplinary project address the role that protein friction plays in limiting the dynamics and efficiency of microtubule-based motor proteins using a novel, combined optical tweezers and single-molecule fluorescence apparatus. In the long term, I hope that our avant-garde nanotechnological tools will be applicable to other molecular machines and that the studies on microtubule-based motors will shed light on the way that cells use energy to create pattern and order.
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 biomolecules proteins
- natural sciences biological sciences genetics nucleotides
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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.
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.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
ERC-2010-StG_20091118
See other projects for this call
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Host institution
72074 Tuebingen
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.