Interspecies variation in floral fragrances emitted by tropical Ficus species

Grison, Laure; Edwards, Alice A.; Hossaert‐McKey, Martine

doi:10.1016/s0031-9422(99)00411-2

Cited by 72 publications

(58 citation statements)

References 21 publications

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“…From the identified compounds, heptanal (42) (18), and a-muurolene (37) were already reported in fruits and leaves of 20 Ficus species, including F. carica (Buttery et al, 1986;Grison, Edwards, & Hossaert-McKey, 1999;GrisonPigé et al, 2002).…”

Section: Resultsmentioning

confidence: 96%

Volatile profiling of Ficus carica varieties by HS-SPME and GC–IT-MS

et al. 2010

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Section: Resultsmentioning

confidence: 96%

Volatile profiling of Ficus carica varieties by HS-SPME and GC–IT-MS

et al. 2010

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“…An exception is the case of F. semicordata, where the main compound emitted by receptive figs, 4-methylanisole, represented alone more than 90% of floral scent ). This compound has never been reported in the scent of receptive figs of any of the other 40 fig species studied so far (Ware et al 1993;Gibernau et al 1998;Grison et al 1999, Grison-Pigé et al 2002bSong et al 2001;Proffit et al 2007Borges et al 2008;Proffit and Johnson 2009;C. Soler, unpublished data) and has been reported very rarely, always as a minor compound, in the floral scent of other plants (Knudsen et al 2006).…”

Section: Specificity Of the Attractionmentioning

confidence: 84%

Floral scents: their roles in nursery pollination mutualisms

et al. 2010

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Mutualisms are interspecies interactions in which each participant gains net benefits from interacting with its partner. In nursery pollination mutualisms, pollinators reproduce within the inflorescence they pollinate. In these systems, each partner depends directly on the other for its reproduction. Therefore, the signal responsible for partner encounter is crucial in these horizontally transmitted mutualisms, in which the association between specific partners must be renewed at each generation. As in many other interspecies interactions, chemical signals are suspected to be important in the functioning of these mutualisms. We synthesized and compared the published data available on the role of floral scents in the functioning of the 16 known independently evolved nursery pollination mutualisms. So far, attraction of pollinators to their specific hosts has been investigated in only seven of these systems, and the majority of the studies have been conducted on one of them, fig/fig wasp interactions. While such unevenness of the information limits the potential for meta-analysis, some patterns emerge from this review concerning the role of flower volatiles in maintaining the specificity of pollinator attraction, in signaling the appropriate phenological stage for pollinator visit, in attracting the pollinator toward the rewardless sex in dioecious plant species and in aiding the location and exploitation of resources by parasites and predators associated with these mutualisms. Finally, we highlight new perspectives on the evolution of signals in these diversified systems depending on the age and the degree of specificity of the interaction, and on the effect of phylogenetic inertia on the evolutionary dynamics of plant signals.

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“…Furthermore, we need to document in detail the reproductive consequences of pollinator ''mistakes'' (host switches and host sharing) for both partners in the mutualism. Understanding the evolutionary trajectories of ecologically important fig-associated characters that have been shown to influence reproductive success and host recognition in the wasps (flower number, seed size, seed number, and receptive volatiles) (26)(27)(28)(89)(90)(91)(92)(93)(94) could allow us understand what allows some combinations of wasp fig-pollination mistakes or host-switches to occur more often than others. Understanding the consequence of pollination mistakes appears to be critical for understanding the processes that affect gene flow, coadaptation, and cospeciation at a fine taxonomic scale in the fig͞fig-wasp mutualism.…”

Section: Conclusion and Prospects: Multiple Pollinators And The Origmentioning

confidence: 99%

Critical review of host specificity and its coevolutionary implications in the fig/fig-wasp mutualism

Machado

Robbins

Gilbert

et al. 2005

Proc. Natl. Acad. Sci. U.S.A.

245

310

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Figs (Ficus spp., Moraceae) and their pollinating wasps (Agaonidae, Chalcidoidea) constitute perhaps the most tightly integrated pollination mutualism that is known. Figs are characterized by extraordinarily high global and local species diversity. It has been proposed that the diversification of this mutualism has occurred through strict-sense coadaptation and cospeciation between pairs of fig and wasp species that are associated in highly specific one-to-one relationships. However, existing studies cast doubt on the generality of this proposition. Here, we review our current knowledge of the evolutionary history of the fig͞fig-wasp mutualism. We critically examine the idea that codivergence between figs and their pollinators has been dominated by strict-sense cospeciation. We present phylogenetic and population genetic data from neotropical fig and fig wasp species that suggest that a more accurate model for diversification in this mutualism is that of groups of genetically well defined wasp species coevolving with genetically less well defined (frequently hybridizing) groups of figs. Last, we use our results to assess previously proposed hypotheses on models of speciation in this mutualism.

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Interspecies variation in floral fragrances emitted by tropical Ficus species

Cited by 72 publications

References 21 publications

Volatile profiling of Ficus carica varieties by HS-SPME and GC–IT-MS

Volatile profiling of Ficus carica varieties by HS-SPME and GC–IT-MS

Floral scents: their roles in nursery pollination mutualisms

Critical review of host specificity and its coevolutionary implications in the fig/fig-wasp mutualism

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