Cooperation and bacterial pathogenicity: an approach to social evolution

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• 作者：C Alfonso Molina ; Susana Vilchez
• 关键词：Cooperation ; Evolution ; Pathogenicity ; Public goods ; Sociability
• 刊名：Revista Chilena de Historia Natural
• 出版年：2014
• 出版时间：December 2014
• 年：2014
• 卷：87
• 期：1
• 全文大小：292KB
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• 作者单位：C Alfonso Molina (1) (3)
  Susana Vilchez (2)
  
  1. Facultad de Ciencias Ambientales, Universidad Internacional SEK, Calle Alberto Einstein y 5ta. Transversal, Campus Miguel de Cervantes, Carcel茅n, Quito, 170120, Ecuador
  3. Centro Internacional de Zoonosis, Facultad de Medicina Veterinaria y Zootecnia, Universidad Central del Ecuador (UC), PO Box.17-03-100, Quito, Ecuador
  2. Departamento de Bioqu铆mica y Biolog铆a Molecular I, Facultad de Ciencias, Universidad de Granada, Campus Universitario Fuentenueva, Granada, 18071, Spain
  
• 刊物类别：Biodiversity; Ecology; Plant Systematics/Taxonomy/Biogeography; Animal Systematics/Taxonomy/Biogeogr
• 刊物主题：Biodiversity; Ecology; Plant Systematics/Taxonomy/Biogeography; Animal Systematics/Taxonomy/Biogeography; Evolutionary Biology;
• 出版者：Springer International Publishing
• ISSN：0717-6317

文摘

Kin selection could provide an explanation for social behavior in bacteria. The production of public goods such as extracellular molecules is metabolically costly for bacteria but could help them to exploit nutrients or invade a host. Some bacterial cells called social cheaters do not produce public goods; however, they take advantage of these extracellular molecules. In this review, the relationships between social behavior, cooperation, and evolution of bacterial pathogenicity are analyzed. This paper also examines the role of horizontal transfer of genes encoding for virulence factors and how the movement of mobile genetic elements would influence the pathogenicity and social relationships. Moreover, the link between ecological relationships and evolution in entomopathogenic bacteria, focusing on Bacillus thuringiensis is considered. Finally, the findings obtained with B. thuringiensis are extrapolated on Bacillus pumilus 15.1, an entomopathogenic strain whose pathogenicity is not understood yet. Keywords Cooperation Evolution Pathogenicity Public goods Sociability