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Applications in Plant Sciences
Article . 2020
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PubMed Central; Applications in Plant Sciences
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Applications in Plant Sciences
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combining rare alleles and grouped pollen donors to assign paternity in pollen dispersal studies

Authors: Chelsea L. Butcher; Berish Y. Rubin; Sylvia L. Anderson; Vijay K. Nandula; Micheal D. K. Owen; Randolph G. Gardner; J. D. Lewis;

combining rare alleles and grouped pollen donors to assign paternity in pollen dispersal studies

Abstract

PremisePollen dispersal plays a critical role in gene flow of seed plants. Most often, pollen dispersal is measured using paternity assignment. However, this approach can be time‐consuming because it typically entails genotyping all pollen donors, receptors, and offspring at several molecular markers.MethodsWe developed a faster, simpler protocol to track paternity, using pollen receptors and grouped pollen donors that possess rare alleles. We tested this approach using wind‐pollinated Amaranthus tuberculatus and insect‐pollinated Solanum lycopersicum. After screening potential markers for rare alleles, we grew both species in experimental arrays under field conditions.ResultsAll tested A. tuberculatus seeds and 97% of S. lycopersicum fruits could be assigned to the grouped pollen donors using each of two markers. From these results, we could infer paternity of untested offspring and assess pollen dispersal patterns in each array.DiscussionBy combining rare alleles and grouped pollen donors, we could assess pollen dispersal for both species and across all arrays after genotyping a small number of pollen donors and a representative subset of offspring. While directly applicable to A. tuberculatus and S. lycopersicum, this approach could be used in other species to assess pollen dispersal under field conditions.

Keywords

Application Article, paternity assignment, Amaranthaceae, QH301-705.5, Botany, experimental arrays, pollen dispersal, QK1-989, Biology (General), gene flow, Solanaceae

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
gold