A theoretical exploration of dietary collective medication in social insects.
Identifieur interne : 001274 ( PubMed/Checkpoint ); précédent : 001273; suivant : 001275A theoretical exploration of dietary collective medication in social insects.
Auteurs : Laure-Anne Poissonnier [Australie] ; Mathieu Lihoreau [France] ; Tamara Gomez-Moracho [France] ; Audrey Dussutour [France] ; Jerome Buhl [Australie]Source :
- Journal of insect physiology [ 1879-1611 ] ; 2017.
Abstract
Animals often alter their food choices following a pathogen infection in order to increase immune function and combat the infection. Whether social animals that collect food for their brood or nestmates adjust their nutrient intake to the infection states of their social partners is virtually unexplored. Here we develop an individual-based model of nutritional geometry to examine the impact of collective nutrient balancing on pathogen spread in a social insect colony. The model simulates a hypothetical social insect colony infected by a horizontally transmitted parasite. Simulation experiments suggest that collective nutrition, by which foragers adjust their nutrient intake to simultaneously address their own nutritional needs as well as those of their infected nestmates, is an efficient social immunity mechanism to limit contamination when immune responses are short. Impaired foraging in infected workers can favour colony resilience when pathogen transmission rate is low (by reducing contacts with the few infected foragers) or trigger colony collapse when transmission rate is fast (by depleting the entire pool of foragers). Our theoretical examination of dietary collective medication in social insects suggests a new possible mechanism by which colonies can defend themselves against pathogens and provides a conceptual framework for experimental investigations of the nutritional immunology of social animals.
DOI: 10.1016/j.jinsphys.2017.08.005
PubMed: 28826630
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Whether social animals that collect food for their brood or nestmates adjust their nutrient intake to the infection states of their social partners is virtually unexplored. Here we develop an individual-based model of nutritional geometry to examine the impact of collective nutrient balancing on pathogen spread in a social insect colony. The model simulates a hypothetical social insect colony infected by a horizontally transmitted parasite. Simulation experiments suggest that collective nutrition, by which foragers adjust their nutrient intake to simultaneously address their own nutritional needs as well as those of their infected nestmates, is an efficient social immunity mechanism to limit contamination when immune responses are short. Impaired foraging in infected workers can favour colony resilience when pathogen transmission rate is low (by reducing contacts with the few infected foragers) or trigger colony collapse when transmission rate is fast (by depleting the entire pool of foragers). Our theoretical examination of dietary collective medication in social insects suggests a new possible mechanism by which colonies can defend themselves against pathogens and provides a conceptual framework for experimental investigations of the nutritional immunology of social animals.</div></front></TEI><pubmed><MedlineCitation Status="Publisher" Owner="NLM"><PMID Version="1">28826630</PMID><DateCreated><Year>2017</Year><Month>08</Month><Day>22</Day></DateCreated><DateRevised><Year>2017</Year><Month>08</Month><Day>28</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1611</ISSN><JournalIssue CitedMedium="Internet"><PubDate><Year>2017</Year><Month>Aug</Month><Day>18</Day></PubDate></JournalIssue><Title>Journal of insect physiology</Title><ISOAbbreviation>J. Insect Physiol.</ISOAbbreviation></Journal><ArticleTitle>A theoretical exploration of dietary collective medication in social insects.</ArticleTitle><ELocationID EIdType="pii" ValidYN="Y">S0022-1910(17)30131-2</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jinsphys.2017.08.005</ELocationID><Abstract><AbstractText>Animals often alter their food choices following a pathogen infection in order to increase immune function and combat the infection. Whether social animals that collect food for their brood or nestmates adjust their nutrient intake to the infection states of their social partners is virtually unexplored. Here we develop an individual-based model of nutritional geometry to examine the impact of collective nutrient balancing on pathogen spread in a social insect colony. The model simulates a hypothetical social insect colony infected by a horizontally transmitted parasite. Simulation experiments suggest that collective nutrition, by which foragers adjust their nutrient intake to simultaneously address their own nutritional needs as well as those of their infected nestmates, is an efficient social immunity mechanism to limit contamination when immune responses are short. Impaired foraging in infected workers can favour colony resilience when pathogen transmission rate is low (by reducing contacts with the few infected foragers) or trigger colony collapse when transmission rate is fast (by depleting the entire pool of foragers). Our theoretical examination of dietary collective medication in social insects suggests a new possible mechanism by which colonies can defend themselves against pathogens and provides a conceptual framework for experimental investigations of the nutritional immunology of social animals.</AbstractText><CopyrightInformation>Copyright © 2017 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Poissonnier</LastName><ForeName>Laure-Anne</ForeName><Initials>LA</Initials><AffiliationInfo><Affiliation>School of Agriculture, Food and Wine, Waite campus, The University of Adelaide, SA 5005, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lihoreau</LastName><ForeName>Mathieu</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Research Center on Animal Cognition (CRCA), Center for Integrative Biology (CBI), University Paul Sabatier, CNRS, UPS, France. Electronic address: mathieu.lihoreau@univ-tlse3.fr.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gomez-Moracho</LastName><ForeName>Tamara</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Research Center on Animal Cognition (CRCA), Center for Integrative Biology (CBI), University Paul Sabatier, CNRS, UPS, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dussutour</LastName><ForeName>Audrey</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Research Center on Animal Cognition (CRCA), Center for Integrative Biology (CBI), University Paul Sabatier, CNRS, UPS, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Buhl</LastName><ForeName>Jerome</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>School of Agriculture, Food and Wine, Waite campus, The University of Adelaide, SA 5005, Australia.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>08</Month><Day>18</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Insect Physiol</MedlineTA><NlmUniqueID>2985080R</NlmUniqueID><ISSNLinking>0022-1910</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Individual-based model</Keyword><Keyword MajorTopicYN="N">Nutritional geometry</Keyword><Keyword MajorTopicYN="N">Nutritional immunology</Keyword><Keyword MajorTopicYN="N">Social immunity</Keyword><Keyword MajorTopicYN="N">Social insects</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>03</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>08</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>08</Month><Day>16</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>8</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2017</Year><Month>8</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>8</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>aheadofprint</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28826630</ArticleId><ArticleId IdType="pii">S0022-1910(17)30131-2</ArticleId><ArticleId IdType="doi">10.1016/j.jinsphys.2017.08.005</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Australie</li><li>France</li></country></list><tree><country name="Australie"><noRegion><name sortKey="Poissonnier, Laure Anne" sort="Poissonnier, Laure Anne" uniqKey="Poissonnier L" first="Laure-Anne" last="Poissonnier">Laure-Anne Poissonnier</name></noRegion><name sortKey="Buhl, Jerome" sort="Buhl, Jerome" uniqKey="Buhl J" first="Jerome" last="Buhl">Jerome Buhl</name></country><country name="France"><noRegion><name sortKey="Lihoreau, Mathieu" sort="Lihoreau, Mathieu" uniqKey="Lihoreau M" first="Mathieu" last="Lihoreau">Mathieu Lihoreau</name></noRegion><name sortKey="Dussutour, Audrey" sort="Dussutour, Audrey" uniqKey="Dussutour A" first="Audrey" last="Dussutour">Audrey Dussutour</name><name sortKey="Gomez Moracho, Tamara" sort="Gomez Moracho, Tamara" uniqKey="Gomez Moracho T" first="Tamara" last="Gomez-Moracho">Tamara Gomez-Moracho</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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