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2014:groups:g6:start [2014/01/30 13:02] – [Parasite-induced mimicry] diogro2014:groups:g6:start [2024/01/09 18:45] (current) – external edit 127.0.0.1
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 Wiki site of the practical exercise of the [[http://www.ictp-saifr.org/?page_id=4634|III Southern-Summer School on Mathematical Biology]]. Wiki site of the practical exercise of the [[http://www.ictp-saifr.org/?page_id=4634|III Southern-Summer School on Mathematical Biology]].
  
-Here you find the exercise assigment and the group's products. +Here you will find the exercise assigment and the group's products. 
  
 If you are a group member login to edit this page, create new pages from it, and upload files. If you are a group member login to edit this page, create new pages from it, and upload files.
  
 +===Final Presentation ===
 +
 +{{:2014:groups:g6:presentation-6.pdf|GROUP 6 PRESENTATION}}
 ===== Group ===== ===== Group =====
   * Arestides Ferreira da Silva, Willian Talvane; //Uppsala University, Sweden//    * Arestides Ferreira da Silva, Willian Talvane; //Uppsala University, Sweden// 
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   * Millan, Cristiane Honora; //São Paulo State University, Department of Ecology, Brazil//   * Millan, Cristiane Honora; //São Paulo State University, Department of Ecology, Brazil//
   * Ornellas, Iago Silva; //Federal University of Espírito Santo, Depart. Biological Sciences, Brazil//   * Ornellas, Iago Silva; //Federal University of Espírito Santo, Depart. Biological Sciences, Brazil//
-  * Peres, Luciano Medina; //Federal University of Rio Grande, Program of Comput. Modeling, Brazil// +  * Peres, Luciano; //Federal Univ. Rio Grande, Graduate Program on Computational Modeling, Brazil// 
-  * Zahn, Thiago; //University of São Paulo, Ecology Department, Brazil// +  * Zahn, Thiago; //University of São Paulo, Genetics and Evolutionary Biology Department, Brazil// 
 +  
 + 
 + 
 + 
 +---- 
 + 
 +===Assistants=== 
 + 
 +  * Flávia Marquitti 
 +  * Vitor Rios 
 + 
 + 
 +----
  
 ===== Assignment ===== ===== Assignment =====
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 While studying ant colonies on Panama's Barro Colorado Island, researchers found what appeared to be a new species of ant characterized by a red [[http://en.wikipedia.org/wiki/Gaster|gaster]] (right picture above). While studying ant colonies on Panama's Barro Colorado Island, researchers found what appeared to be a new species of ant characterized by a red [[http://en.wikipedia.org/wiki/Gaster|gaster]] (right picture above).
-Later, they realized that these are both //[[http://www.antwiki.org/wiki/Cephalotes_atratus|Cephalotes atratus]]// ants, which normally have black gasters (left picture above). However, when individuals from this species become infected with the worm //[[http://en.wikipedia.org/wiki/Myrmeconema_neotropicum|Myrmeconema neotropicum]]// their gaster changes to bright red. In many cases, parasites are able to manipulate host appearance and/or behavior to their benefit. When parasite transmission involves trophic interactions, modification of the intermediate host can increase the probability of transmission by predation to the definitive host. In this case, the modifications caused by the parasitic worm make the infected ants  +Later, they realized that it was a //[[http://www.antwiki.org/wiki/Cephalotes_atratus|Cephalotes atratus]]// ant, which normally has black gaster (left picture above). However, when individuals from this species become infected with the worm //[[http://en.wikipedia.org/wiki/Myrmeconema_neotropicum|Myrmeconema neotropicum]]// their gaster changes to bright red. In many cases, parasites are able to manipulate host appearance and/or behavior to their benefit. When parasite transmission involves trophic interactions, modification of the intermediate host can increase the probability of transmission by predation to the definitive host. In this case, the modifications caused by the parasitic worm make the infected ants  
-attractive to frugivorous birds, which apparently mistake their gasters for berries. The parasite life cycle is completed when infected birds pass worm eggs in their feces that are used as food in ants colonies (([[http://www.jstor.org/stable/10.1086/528968|S. P. Yanoviak, M. Kaspari, R. Dudley, +attractive to frugivorous birds, which apparently mistake their gasters for berries. The parasite life cycle is completed when infected birds pass worm eggs in their feces that are used as food in ant colonies (([[http://www.jstor.org/stable/10.1086/528968|S. P. Yanoviak, M. Kaspari, R. Dudley, 
 and G. Poinar Jr. ”Parasite-Induced Fruit Mimicry in a Tropical Canopy Ant.” The American Naturalist, 171(4) (April 1): 536–544, 2008.]])). and G. Poinar Jr. ”Parasite-Induced Fruit Mimicry in a Tropical Canopy Ant.” The American Naturalist, 171(4) (April 1): 536–544, 2008.]])).
  
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 Behavioural Processes, 68(3) (March 31): 185–199, 2005.]]))(([[http://www.sciencedirect.com/science/article/pii/S016953470800325X|Thierry Lefèvre, Camille Lebarbenchon, Michel Gauthier-Clerc, Dorothée Missé, Robert Poulin, and Frédéric Thomas. “The Ecological Significance of Manipulative Parasites.” Trends in Ecology and Evolution, 24(1): 41–48, 2009.]])). Behavioural Processes, 68(3) (March 31): 185–199, 2005.]]))(([[http://www.sciencedirect.com/science/article/pii/S016953470800325X|Thierry Lefèvre, Camille Lebarbenchon, Michel Gauthier-Clerc, Dorothée Missé, Robert Poulin, and Frédéric Thomas. “The Ecological Significance of Manipulative Parasites.” Trends in Ecology and Evolution, 24(1): 41–48, 2009.]])).
  
- 
-=== Hints === 
  
 ==== References ==== ==== References ====
  
2014/groups/g6/start.1391086954.txt.gz · Last modified: 2024/01/09 18:45 (external edit)