Within the fortress: A specialized parasite is not discriminated against in a social insect society
Publication Date
February 23, 2018
Authors
Emilia Solá Gracia, Charissa De Bekker, Ephraim M. Hanks & David P. Hughes
Volume
13
Issue
2
Pages
e0193536
DOI
https://dx.plos.org/10.1371/journal.pone.0193536
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0193536
Scopus
85042472262
Mendeley
http://www.mendeley.com/research/within-fortress-specialized-parasite-not-discriminated-against-social-insect-society
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Mendeley | Further Information

{"title"=>"Within the fortress: A specialized parasite is not discriminated against in a social insect society", "type"=>"journal", "authors"=>[{"first_name"=>"Emilia Solá", "last_name"=>"Gracia", "scopus_author_id"=>"57200826386"}, {"first_name"=>"Charissa", "last_name"=>"De Bekker", "scopus_author_id"=>"23099000200"}, {"first_name"=>"Ephraim M.", "last_name"=>"Hanks", "scopus_author_id"=>"36094125600"}, {"first_name"=>"David P.", "last_name"=>"Hughes", "scopus_author_id"=>"24593705500"}], "year"=>2018, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "scopus"=>"2-s2.0-85042472262", "sgr"=>"85042472262", "pui"=>"620809440", "isbn"=>"1111111111", "pmid"=>"29474472", "doi"=>"10.1371/journal.pone.0193536"}, "id"=>"7ec7c876-31cf-3918-8e02-79530fdc1f85", "abstract"=>"Social insect colonies function cohesively due, in part, to altruistic behaviors performed towards related individuals. These colonies can be affected by parasites in two distinct ways, either at the level of the individual or the entire colony. As such, colonies of social insects can experience conflict with infected individuals reducing the cohesiveness that typifies them. Parasites of social insects therefore offer us a framework to study conflicts within social insect colonies in addition to the traditionally viewed conflicts afforded by groups of low genetic relatedness due to multiple mating for example. In our study, we use the behavior manipulating fungal pathogen, Ophiocordyceps kimflemingiae (= unilateralis) and its host, Camponotus castaneus, to ask if colony members are able to detect infected individuals. Such detection would be optimal for the colony since infected workers die near foraging trails where the fungus develops its external structures and releases spores that infect other colony members. To determine if C. castaneus workers can detect these future threats, we used continuous-time point observations coupled with longer continuous observations to discern any discrimination towards infected individuals. After observing 1,240 hours of video footage we found that infected individuals are not removed from the colony and continuously received food during the course of fungal infection. We also calculated the distances between workers and the nest entrance in a total of 35,691 data points to find infected workers spent more time near the entrance of the nest. Taken together, these results suggest healthy individuals do not detect the parasite inside their nestmates. The colony's inability to detect infected individuals allows O. kimflemingiae to develop within the colony, while receiving food and protection from natural enemies, which could damage or kill its ant host before the parasite has completed its development.", "link"=>"http://www.mendeley.com/research/within-fortress-specialized-parasite-not-discriminated-against-social-insect-society", "reader_count"=>2, "reader_count_by_academic_status"=>{"Student > Master"=>1, "Student > Bachelor"=>1}, "reader_count_by_user_role"=>{"Student > Master"=>1, "Student > Bachelor"=>1}, "reader_count_by_subject_area"=>{"Biochemistry, Genetics and Molecular Biology"=>1, "Agricultural and Biological Sciences"=>1}, "reader_count_by_subdiscipline"=>{"Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}}, "group_count"=>0}

Scopus | Further Information

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