2016
DOI: 10.1038/hdy.2016.65
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Relative strength of fine-scale spatial genetic structure in paternally vs biparentally inherited DNA in a dioecious plant depends on both sex proportions and pollen-to-seed dispersal ratio

Abstract: In plants, the spatial genetic structure (SGS) is shaped mainly by gene dispersal and effective population density. Among additional factors, the mode of DNA inheritance and dioecy influence SGS. However, their joint impact on SGS remains unclear, especially in the case of paternally inherited DNA. Using theoretical approximations and computer simulations, here we showed that the relative intensity of SGS measured in paternally and biparentally inherited DNA in a dioecious plant population depends on both the … Show more

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Cited by 14 publications
(17 citation statements)
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“…Among possible biological explanations for such conflicting patterns is hybridization between species with both maternal and paternal organellar inheritance (Govindarajulu et al, 2015). Plants typically have maternal inheritance of both the plastid (Corriveau and Coleman, 1988; Schneider et al, 2015; Van de Paer et al, 2016) and the mitochondrial genome (McCauley, 2013; Shen et al, 2015; Van de Paer et al, 2016), but biparental (Corriveau and Coleman, 1988) as well as paternal inheritance are also reported (McCauley, 2013; Shen et al, 2015; Chybicki et al, 2016). This means that the mitochondrion and the plastome can have different evolutionary histories in a taxon of hybrid origin.…”
Section: Discussionmentioning
confidence: 99%
“…Among possible biological explanations for such conflicting patterns is hybridization between species with both maternal and paternal organellar inheritance (Govindarajulu et al, 2015). Plants typically have maternal inheritance of both the plastid (Corriveau and Coleman, 1988; Schneider et al, 2015; Van de Paer et al, 2016) and the mitochondrial genome (McCauley, 2013; Shen et al, 2015; Van de Paer et al, 2016), but biparental (Corriveau and Coleman, 1988) as well as paternal inheritance are also reported (McCauley, 2013; Shen et al, 2015; Chybicki et al, 2016). This means that the mitochondrion and the plastome can have different evolutionary histories in a taxon of hybrid origin.…”
Section: Discussionmentioning
confidence: 99%
“…The ratio of the regression slopes in nuclear genotypes b b and chloroplast haplotypes b m is thought to depend on the ratio of pollen dispersal area to seed dispersal area (Chybicki et al, ; Hardy & Vekemans, ). The ratio of b m to b b (1 + F IS ) is expected to be 3 when pollen dispersal area is equal to seed dispersal area and to increase as the ratio of pollen dispersal area to seed dispersal area increases (Appendix ).…”
Section: Methodsmentioning
confidence: 99%
“…Assignment of mother plants with identical genotypes of maternal tissues of dispersed seeds directly estimates seed dispersal (Browne, Ottewell, Sork, & Karubian, ; Grivet, Robledo‐Arnuncio, Smouse, & Sork, ). On the other hand, genetic markers with uniparental and biparental inheritance indirectly estimate the contribution of pollen and seed dispersal to gene flow (Chybicki, Dering, Iszkuło, Meyza, & Suszka, ; Ennos, ; Hamilton & Miller, ; Petit, Duminil, & Fineschi, ).…”
Section: Introductionmentioning
confidence: 99%
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