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Community structure of insect herbivores is driven by conservatism, escalation and divergence of defensive traits in Ficus
M. Volf, ST. Segar, SE. Miller, B. Isua, M. Sisol, G. Aubona, P. Šimek, M. Moos, J. Laitila, J. Kim, J. Zima, J. Rota, GD. Weiblen, S. Wossa, JP. Salminen, Y. Basset, V. Novotny,
Jazyk angličtina Země Anglie, Velká Británie
Typ dokumentu dopisy
PubMed
29143434
DOI
10.1111/ele.12875
Knihovny.cz E-zdroje
- MeSH
- býložravci * MeSH
- fenotyp MeSH
- Ficus * MeSH
- fylogeneze MeSH
- hmyz * MeSH
- zvířata MeSH
- Check Tag
- zvířata MeSH
- Publikační typ
- dopisy MeSH
Escalation (macroevolutionary increase) or divergence (disparity between relatives) in trait values are two frequent outcomes of the plant-herbivore arms race. We studied the defences and caterpillars associated with 21 sympatric New Guinean figs. Herbivore generalists were concentrated on hosts with low protease and oxidative activity. The distribution of specialists correlated with phylogeny, protease and trichomes. Additionally, highly specialised Asota moths used alkaloid rich plants. The evolution of proteases was conserved, alkaloid diversity has escalated across the studied species, oxidative activity has escalated within one clade, and trichomes have diverged across the phylogeny. Herbivore specificity correlated with their response to host defences: escalating traits largely affected generalists and divergent traits specialists; but the effect of escalating traits on extreme specialists was positive. In turn, the evolution of defences in Ficus can be driven towards both escalation and divergence in individual traits, in combination providing protection against a broad spectrum of herbivores.
Biology Centre The Czech Academy of Sciences Branisovska 31 37005 Ceske Budejovice Czech Republic
Department of Biology Lund University Sölvegatan 37 223 62 Lund Sweden
Natural Chemistry Research Group Department of Chemistry University of Turku FI 20014 Turku Finland
New Guinea Binatang Research Center P O Box 604 Madang Papua New Guinea
Citace poskytuje Crossref.org
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- $a Volf, Martin $u Faculty of Science, University of South Bohemia in Ceske Budejovice, Branisovska 31, 37005, Ceske Budejovice, Czech Republic. Biology Centre, The Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic.
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- $a Escalation (macroevolutionary increase) or divergence (disparity between relatives) in trait values are two frequent outcomes of the plant-herbivore arms race. We studied the defences and caterpillars associated with 21 sympatric New Guinean figs. Herbivore generalists were concentrated on hosts with low protease and oxidative activity. The distribution of specialists correlated with phylogeny, protease and trichomes. Additionally, highly specialised Asota moths used alkaloid rich plants. The evolution of proteases was conserved, alkaloid diversity has escalated across the studied species, oxidative activity has escalated within one clade, and trichomes have diverged across the phylogeny. Herbivore specificity correlated with their response to host defences: escalating traits largely affected generalists and divergent traits specialists; but the effect of escalating traits on extreme specialists was positive. In turn, the evolution of defences in Ficus can be driven towards both escalation and divergence in individual traits, in combination providing protection against a broad spectrum of herbivores.
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