Journal
TRENDS IN PLANT SCIENCE
Volume 19, Issue 12, Pages 757-763Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2014.08.007
Keywords
cooperation; defection; partner choice; rhizobia; sanctions; Trema
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Funding
- Netherlands Organisation for Scientific Research (NWO) [836.10.001, 864.10.005]
- NWO-Vici [865.13.001]
- NWO-National Natural Science Foundation of China [846.11.005]
- Netherlands Genomics Initiative-Horizon [050-71-52]
- European Research Council (ERC) under the EU [335542]
- European Research Council (ERC) [335542] Funding Source: European Research Council (ERC)
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Understanding how mutualistic interactions are stabilized in the presence of cheaters is a major question in evolutionary biology. The legume-rhizobia mutualism has become a model system for studying how plants control cheating partners. However, the generality and evolutionary origins of these control mechanisms are intensely debated. In this Opinion article, we argue that a novel system - the Parasponia-rhizobia mutualism - will significantly advance research in mutualism stability. Parasponia is the only non-legume lineage to have evolved a rhizobial symbiosis, which provides an evolutionary replicate to test how rhizobial exploitation. is controlled. Evidence also suggests that this symbiosis is young. This allows studies at an earlier evolutionary stage in mutualisms, so the origin of control mechanisms can be better understood.
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