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Guerra, Michele (2019) How can cells count? Robustness in self-assembly pathways. [Magistrali biennali]

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Tesi non accessibile fino a 15 July 2020 per motivi correlati alla proprietà intellettuale. Visibile a: Repository staff only



Cells are characterised by different kinds of structures, organelles, each of them with a specific function. In some cases, in order to perform its task, an organelle needs to have some precise features, lika a location, or shape, size and requires to be present in an exact number. Some of these features can't be directly encoded in DNA itself and they are controlled by other means. The present work addresses the poorly understood problem of how cells can count. More precisely, what mechanisms are used by the cell in order to control and constrain the number of structures it needs. In order to do so, this thesis starts by considering the flagellum, a structure that allows the cell to move in its environment, and analyses its self-assembly pathway traying to figure out what the purpose of each step of the process is in making the "counting mechanism" robust to initial resources number variations and stochastic fluctuations.

Item Type:Magistrali biennali
Corsi di Diploma di Laurea:Scuola di Scienze > Fisica
Uncontrolled Keywords:counting mechanism, robustness, self-assembled structures, statistical mechanics
Subjects:Area 02 - Scienze fisiche > FIS/02 Fisica teorica, modelli e metodi matematici
Codice ID:62783
Relatore:Orlandini, Enzo
Correlatore:Frey, Erwin
Data della tesi:01 July 2019
Biblioteca:Polo di Scienze > Dip. Fisica e Astronomia "Galileo Galilei" - Biblioteca
Tipo di fruizione per il documento:on-line per i full-text
Tesi sperimentale (Si) o compilativa (No)?:No

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