Southern-Summer School on Mathematical Biology

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2014:groups:g6:start [2014/02/03 16:58] – [Group] kraenkel2014:groups:g6:start [2024/01/09 18:45] (current) – external edit 127.0.0.1
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 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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 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 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  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.]])).
  
2014/groups/g6/start.1391446726.txt.gz · Last modified: 2024/01/09 18:45 (external edit)