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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
An Extreme case of plant-insect codiversification: Figs and fig-pollinating wasps
Systematic Biology, Volume 61, No. 6, Year 2012
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Description
It is thought that speciation in phytophagous insects is often due to colonization of novel host plants, because radiations of plant and insect lineages are typically asynchronous. Recent phylogenetic comparisons have supported this model of diversification for both insect herbivores and specialized pollinators. An exceptional case where contemporaneous plant-insect diversification might be expected is the obligate mutualism between fig trees (Ficus species, Moraceae) and their pollinating wasps (Agaonidae, Hymenoptera). The ubiquity and ecological significance of this mutualism in tropical and subtropical ecosystems has long intrigued biologists, but the systematic challenge posed by 750 interacting species pairs has hindered progress toward understanding its evolutionary history. In particular, taxon sampling and analytical tools have been insufficient for large-scale cophylogenetic analyses. Here, we sampled nearly 200 interacting pairs of fig and wasp species from across the globe. Two supermatrices were assembled: on an average, wasps had sequences from 77 of 6 genes (5.6 kb), figs had sequences from 60% of 5 genes (5.5 kb), and overall 850 new DNA sequences were generated for this study.We also developed a newanalytical tool, Jane 2, for event-based phylogenetic reconciliation analysis of very large data sets. Separate Bayesian phylogenetic analyses for figs and fig wasps under relaxed molecular clock assumptions indicate Cretaceous diversification of crown groups and contemporaneous divergence for nearly half of all fig and pollinator lineages. Event-based cophylogenetic analyses further support the codiversification hypothesis. Biogeographic analyses indicate that the present-day distribution of fig and pollinator lineages is consistent with a Eurasian origin and subsequent dispersal, ather than with Gondwanan vicariance. Overall, our findings indicate that the fig-pollinator mutualism represents an extreme case among plant-insect interactions of coordinated dispersal and long-term codiversification. [Biogeography; coevolution; cospeciation; host switching; long-branch attraction; phylogeny.] © 2012 The Author(s).
Authors & Co-Authors
Cruaud, Astrid
France, Montferrier-sur-lez
Centre de Biologie Pour la Gestion Des Populations Cbgp
Rønsted, Nina A.
United Kingdom, Richmond
Jodrell Laboratory
United States, Minneapolis
University of Minnesota Twin Cities
Denmark, Copenhagen
Statens Naturhistoriske Museum
Chantarasuwan, Bhanumas
Netherlands, Leiden
National Herbarium of the Netherlands - Nhn
Chou, Lien Siang
Taiwan, Taipei
National Taiwan University
Clement, Wendy L.
United States, Minneapolis
University of Minnesota Twin Cities
United States, New Haven
Yale University
Couloux, Arnaud
France, Evry
Genoscope - Centre National de Séquençage
Cousins, Benjamin
United States, Clemson
Clemson University
Genson, Gwenaélle S.
France, Montferrier-sur-lez
Centre de Biologie Pour la Gestion Des Populations Cbgp
Harrison, Rhett D.
China, Kunming
Xtbg
Hanson, Paul E.
Costa Rica, San Jose
Universidad de Costa Rica
Hossaert-McKey, Martine M.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Jabbour-Zahab, Roula
France, Montferrier-sur-lez
Centre de Biologie Pour la Gestion Des Populations Cbgp
Jousselin, Emmanuelle
France, Montferrier-sur-lez
Centre de Biologie Pour la Gestion Des Populations Cbgp
Kerdelhué, Carole
France, Montferrier-sur-lez
Centre de Biologie Pour la Gestion Des Populations Cbgp
Kjellberg, Finn
France, Paris
Cnrs Centre National de la Recherche Scientifique
Lopez-Vaamonde, Carlos
France, Orleans
Unité de Recherche Zoologie Forestière Urzf
Peebles, John
United States, Claremont
Harvey Mudd College
Peng, Yanqiong
China, Kunming
Xtbg
Pereira, Rodrigo A.S.
Brazil, Sao Paulo
Universidade de São Paulo
Schramm, Tselil
United States, Claremont
Harvey Mudd College
Ubaidillah, Rosichon
Indonesia, Central Jakarta
Lembaga Ilmu Pengetahuan Indonesia
van Noort, Simon
South Africa, Cape Town
Natural History Division
Weiblen, George D.
United States, Minneapolis
University of Minnesota Twin Cities
Yang, Darong
China, Kunming
Xtbg
Yodpinyanee, Anak
United States, Claremont
Harvey Mudd College
Libeskind-Hadas, Ran
United States, Claremont
Harvey Mudd College
Cook, James M.
United Kingdom, Reading
University of Reading
Rasplus, Jean Yves
France, Montferrier-sur-lez
Centre de Biologie Pour la Gestion Des Populations Cbgp
Savolainen, Vincent
United Kingdom, Richmond
Jodrell Laboratory
United Kingdom, London
Imperial College London
Statistics
Citations: 306
Authors: 29
Affiliations: 19
Identifiers
Doi:
10.1093/sysbio/sys068
ISSN:
10635157
e-ISSN:
1076836X
Research Areas
Genetics And Genomics