دورية أكاديمية
Host discrimination in modular mutualisms: a theoretical framework for meta-populations of mutualists and exploiters.
| العنوان: | Host discrimination in modular mutualisms: a theoretical framework for meta-populations of mutualists and exploiters. |
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| المؤلفون: | Steidinger BS; Ecology, Evolution, and Behavior, Indiana University, Bloomington, IN, USA bsteidin@indiana.edu., Bever JD; Ecology, Evolution, and Behavior, Indiana University, Bloomington, IN, USA. |
| المصدر: | Proceedings. Biological sciences [Proc Biol Sci] 2016 Jan 13; Vol. 283 (1822). |
| نوع المنشور: | Journal Article; Research Support, U.S. Gov't, Non-P.H.S. |
| اللغة: | English |
| بيانات الدورية: | Publisher: Royal Society of London Country of Publication: England NLM ID: 101245157 Publication Model: Print Cited Medium: Internet ISSN: 1471-2954 (Electronic) Linking ISSN: 09628452 NLM ISO Abbreviation: Proc Biol Sci Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: London : Royal Society of London, c1990- |
| مواضيع طبية MeSH: | Models, Biological* , Symbiosis*, Ficus/*physiology , Wasps/*physiology, Animals ; Pollination ; Population Dynamics |
| مستخلص: | Plants in multiple symbioses are exploited by symbionts that consume their resources without providing services. Discriminating hosts are thought to stabilize mutualism by preferentially allocating resources into anatomical structures (modules) where services are generated, with examples of modules including the entire inflorescences of figs and the root nodules of legumes. Modules are often colonized by multiple symbiotic partners, such that exploiters that co-occur with mutualists within mixed modules can share rewards generated by their mutualist competitors. We developed a meta-population model to answer how the population dynamics of mutualists and exploiters change when they interact with hosts with different module occupancies (number of colonists per module) and functionally different patterns of allocation into mixed modules. We find that as module occupancy increases, hosts must increase the magnitude of preferentially allocated resources in order to sustain comparable populations of mutualists. Further, we find that mixed colonization can result in the coexistence of mutualist and exploiter partners, but only when preferential allocation follows a saturating function of the number of mutualists in a module. Finally, using published data from the fig-wasp mutualism as an illustrative example, we derive model predictions that approximate the proportion of exploiter, non-pollinating wasps observed in the field. (© 2016 The Author(s).) |
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| فهرسة مساهمة: | Keywords: host sanctions; meta-population dynamics; modularity; preferential allocation; stability of mutualism |
| تواريخ الأحداث: | Date Created: 20160108 Date Completed: 20161012 Latest Revision: 20190109 |
| رمز التحديث: | 20240829 |
| مُعرف محوري في PubMed: | PMC4721098 |
| DOI: | 10.1098/rspb.2015.2428 |
| PMID: | 26740613 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1471-2954 |
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| DOI: | 10.1098/rspb.2015.2428 |