dc.contributor |
Matias Muriel, Manuel Alberto |
|
dc.contributor |
Martínez García, Ricardo |
|
dc.contributor.author |
Martínez Peña, Rodrigo |
|
dc.date |
2018 |
|
dc.date.accessioned |
2019-06-18T10:09:40Z |
|
dc.date.available |
2019-06-18T10:09:40Z |
|
dc.date.issued |
2018-07-18 |
|
dc.identifier.uri |
http://hdl.handle.net/11201/149459 |
|
dc.description.abstract |
[eng] During the last century, microbes were studied as organisms that behave individually.
However, over the recent years they have become an important system to study the
evolution of collective behaviours in biological systems. The production of public goods,
substances that are secreted to the external medium and provide benefit to cells in the
vicinity, is one of these behaviours. The aim of this project is to propose a family of
models that can describe the growth of microbial populations when they produce public
goods. In particular, we will focus our description on those bacteria that use quorum
sensing. Quorum sensing is a cell-to-cell communication mechanism that can regulate
the expression of certain collective behaviours, like the production of public goods, in
response to changes in population density. It is proposed a mean-field description based
on consumer-resource ecological models. Therefore, as the simplest possible description,
our formalism intends to be a first step to develop a more elaborated theory to study the
production of public goods in microbes. |
ca |
dc.description.abstract |
[spa] Durante el siglo pasado, los microorganismos fueron estudiados como agentes que se comportan individualmente. Sin embargo, en estos ´ultimos a˜nos se han convertido en un importante sistema para estudiar la evoluci´on de los comportamientos colectivos en sistemas
biol´ogicos. La producci´on de bienes p´ublicos, sustancias secretadas al medio externo y que
proporcionan un beneficio a las c´elulas adyacentes, es uno de estos comportamientos. El
objetivo de este trabajo es proponer una familia de modelos que pueda describir el crecimiento de poblaciones microbianas cuando producen bienes p´ublicos. En particular, nos
centraremos en aquellas bacterias que utilizan quorum sensing. El quorum sensing es un
mecanismo de comunicaci´on entre c´elulas que puede regular la expresi´on de ciertos comportamientos colectivos, como la producci´on de bienes p´ublicos, en respuesta a cambios en
la densidad de poblaci´on. Se propone una descripci´on en campo medio, basada en modelos ecol´ogicos consumidor-recurso. Por lo tanto, siendo esta la descripci´on m´as sencilla
posible, nuestro formalismo pretende ser un primer paso para desarrollar una teor´ıa m´as
elaborada para el estudio de la producci´on de bienes p´ublicos en microorganismos. |
ca |
dc.format |
application/pdf |
|
dc.language.iso |
eng |
ca |
dc.publisher |
Universitat de les Illes Balears |
|
dc.rights |
all rights reserved |
|
dc.rights |
info:eu-repo/semantics/openAccess |
|
dc.subject |
53 - Física |
ca |
dc.title |
A Consumer-Resource Description of Public-Goods Production in Microbes |
ca |
dc.type |
info:eu-repo/semantics/masterThesis |
ca |
dc.type |
info:eu-repo/semantics/publishedVersion |
|
dc.date.updated |
2018-12-20T09:46:06Z |
|