dorsal/arxiv
View SchemaTemplate coexistence in prebiotic vesicle models
| Authors | Daniel G. M. Silvestre, Jose F. Fontanari |
|---|---|
| Categories | |
| ArXiv ID | q-bio/0505048 |
| URL | https://arxiv.org/abs/q-bio/0505048 |
| DOI | 10.1140/epjb/e2005-00346-5 |
| Journal | Eur. Phys. J. B 47, 423-429 (2005) |
Abstract
The coexistence of distinct templates is a common feature of the diverse proposals advanced to resolve the information crisis of prebiotic evolution. However, achieving robust template coexistence turned out to be such a difficult demand that only a class of models, the so-called package models, seems to have met it so far. Here we apply Wright's Island formulation of group selection to study the conditions for the coexistence of two distinct template types confined in packages (vesicles) of finite capacity. In particular, we show how selection acting at the level of the vesicles can neutralize the pressures towards the fixation of any one of the template types (random drift) and of the type with higher replication rate (deterministic competition). We give emphasis to the role of the distinct generation times of templates and vesicles as yet another obstacle to coexistence.
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"abstract": "The coexistence of distinct templates is a common feature of the diverse\nproposals advanced to resolve the information crisis of prebiotic evolution.\nHowever, achieving robust template coexistence turned out to be such a\ndifficult demand that only a class of models, the so-called package models,\nseems to have met it so far. Here we apply Wright\u0027s Island formulation of group\nselection to study the conditions for the coexistence of two distinct template\ntypes confined in packages (vesicles) of finite capacity. In particular, we\nshow how selection acting at the level of the vesicles can neutralize the\npressures towards the fixation of any one of the template types (random drift)\nand of the type with higher replication rate (deterministic competition). We\ngive emphasis to the role of the distinct generation times of templates and\nvesicles as yet another obstacle to coexistence.",
"arxiv_id": "q-bio/0505048",
"authors": [
"Daniel G. M. Silvestre",
"Jose F. Fontanari"
],
"categories": [
"q-bio.PE"
],
"doi": "10.1140/epjb/e2005-00346-5",
"journal_ref": "Eur. Phys. J. B 47, 423-429 (2005)",
"title": "Template coexistence in prebiotic vesicle models",
"url": "https://arxiv.org/abs/q-bio/0505048"
},
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