2017
DOI: 10.1101/155986
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Correlated evolution of self and interspecific incompatibility across the range of a Texas wildflower

Abstract: Plant species have repeatedly evolved recognition systems between pollen and pistils that identify and reject inappropriate matings. Two of the most important systems recognize self-pollen and interspecific pollen. Outstanding questions are whether and how these two recognition systems are linked and if this association could constrain the evolution of mate choice. Our study characterizes variation in self and interspecific incompatibility in the native range of the Texas wildflower Phlox drummondii. We found … Show more

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Cited by 4 publications
(3 citation statements)
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References 103 publications
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“…Seeds germinate in late fall or early spring, and plants flower and set fruit during the spring and summer. Most P. drummondii are self-incompatible (Erbe and Turner, 1962;Levin, 1978;Roda and Hopkins, 2018). The primary pollinator species are lepidopterans, including Battus philenor, and several skipper species Rausher, 2012, 2014).…”
Section: Study Systemmentioning
confidence: 99%
“…Seeds germinate in late fall or early spring, and plants flower and set fruit during the spring and summer. Most P. drummondii are self-incompatible (Erbe and Turner, 1962;Levin, 1978;Roda and Hopkins, 2018). The primary pollinator species are lepidopterans, including Battus philenor, and several skipper species Rausher, 2012, 2014).…”
Section: Study Systemmentioning
confidence: 99%
“…We annotated a subset of our flowering plant data with information about the self-compatibility (self-compatible, incompatible, or polymorphic) of each introgressing species pair as well as sexual form (dioecious vs hermaphroditic). Self-compatible plants are ones that are able to self-fertilize, and there may be differences in speciation rates between the two types of plants (Gervais, et al 2011;Goldberg and Igić 2012;Roda and Hopkins 2019;Harkness and Brandvain 2020). In a mixed model including both self-compatibility of the introgressing species pair and sexual form as fixed effects, both show significant differences.…”
Section: Self-compatibility and Sexual Form Influence Introgressionmentioning
confidence: 99%
“…Our laboratory is also interested in the evolution of reproductive isolation and speciation. A recent notable study in this area was by Roda & Hopkins () who examined 29 populations of Phlox drummondii for pre‐zygotic incompatibility with P. cuspidata . This study provided not only evidence of reinforcement – populations of P. drummondii sympatric with P. cuspidata exhibited greater incompatability than allopatric populations – but also showed higher levels of self‐incompatibility, suggesting that self‐incompatibility and interspecific incompatibility may be mechanistically linked.…”
Section: What Are Your Favourite New Phytologist Papers Of Recent Yeamentioning
confidence: 99%