Plant-herbivore interactions in a trispecific hybrid swarm of Populus : assessing support for hypotheses of hybrid bridges, evolutionary novelty and genetic similarity

© 2015 Government of Canada, Ministry of Agriculture and AgriFood Canada. New Phytologist © 2015 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 209(2016), 2 vom: 12. Jan., Seite 832-44
1. Verfasser: Floate, Kevin D (VerfasserIn)
Weitere Verfasser: Godbout, Julie, Lau, Matthew K, Isabel, Nathalie, Whitham, Thomas G
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Aceria Pemphigus community structure cottonwood gall genetic similarity hybrid zone insect
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500 |a Date Completed 13.12.2016 
500 |a Date Revised 30.09.2020 
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500 |a Citation Status MEDLINE 
520 |a © 2015 Government of Canada, Ministry of Agriculture and AgriFood Canada. New Phytologist © 2015 New Phytologist Trust. 
520 |a UNLABELLED: Natural systems of hybridizing plants are powerful tools with which to assess evolutionary processes between parental species and their associated arthropods. Here we report on these processes in a trispecific hybrid swarm of Populus trees. Using field observations, common garden experiments and genetic markers, we tested the hypothesis that genetic similarities among hosts underlie the distributions of 10 species of gall-forming arthropods and their ability to adapt to new host genotypes 
520 |a KEY FINDINGS: the degree of genetic relatedness among parental species determines whether hybridization is primarily bidirectional or unidirectional; host genotype and genetic similarity strongly affect the distributions of gall-forming species, individually and as a community. These effects were detected observationally in the wild and experimentally in common gardens; correlations between the diversity of host genotypes and their associated arthropods identify hybrid zones as centres of biodiversity and potential species interactions with important ecological and evolutionary consequences. These findings support both hybrid bridge and evolutionary novelty hypotheses. However, the lack of parallel genetic studies on gall-forming arthropods limits our ability to define the host of origin with their subsequent shift to other host species or their evolution on hybrids as their final destination 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a Aceria 
650 4 |a Pemphigus 
650 4 |a community structure 
650 4 |a cottonwood 
650 4 |a gall 
650 4 |a genetic similarity 
650 4 |a hybrid zone 
650 4 |a insect 
700 1 |a Godbout, Julie  |e verfasserin  |4 aut 
700 1 |a Lau, Matthew K  |e verfasserin  |4 aut 
700 1 |a Isabel, Nathalie  |e verfasserin  |4 aut 
700 1 |a Whitham, Thomas G  |e verfasserin  |4 aut 
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