2018
DOI: 10.1111/mec.14725
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Opposing patterns of intraspecific and interspecific differentiation in sex chromosomes and autosomes

Abstract: Linking intraspecific and interspecific divergence is an important challenge in speciation research. X chromosomes are expected to evolve faster than autosomes and disproportionately contribute to reproductive barriers, and comparing genetic variation on X and autosomal markers within and between species can elucidate evolutionary processes that shape genome variation. We performed RADseq on a 16 population transect of two closely related Australian cricket species, Teleogryllus commodus and T. oceanicus, cove… Show more

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Cited by 17 publications
(30 citation statements)
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References 130 publications
(272 reference statements)
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“…Moran et al. () characterize RADSeq variation along a transect of two species of Teleogryllus crickets that represent a rare exception to Haldane's rule. Between‐species differentiation is higher on the X compared to the autosomes, with a particular spike between sympatric populations.…”
Section: Faster Evolution Of Sequencesmentioning
confidence: 99%
“…Moran et al. () characterize RADSeq variation along a transect of two species of Teleogryllus crickets that represent a rare exception to Haldane's rule. Between‐species differentiation is higher on the X compared to the autosomes, with a particular spike between sympatric populations.…”
Section: Faster Evolution Of Sequencesmentioning
confidence: 99%
“…() comparing allopatric and sympatric populations found no evidence for character displacement in either male calling song or female preferences. The strong behavioural isolation we detected among the parental species, combined with the apparent absence of both character displacement (Hill et al., ) and hybrids in the field (Moran et al., ), suggests that premating isolation may be the primary barrier maintaining the species boundary.…”
Section: Discussionmentioning
confidence: 81%
“…Group medians are indicated by horizontal lines, boxes show first and third quartile, and bars represent 95% confidence intervals in sympatry due to reinforcement, given that hybridization between T. commodus and T. oceanicus is costly , but a study by Hill et al (1972) comparing allopatric and sympatric populations found no evidence for character displacement in either male calling song or female preferences. The strong behavioural isolation we detected among the parental species, combined with the apparent absence of both character displacement (Hill et al, 1972) and hybrids in the field (Moran et al, 2018), suggests that premating isolation may be the primary barrier maintaining the species boundary.…”
Section: Discussionmentioning
confidence: 83%
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“…A personal essay from Jerry Coyne (Coyne, 2018) in this issue gives an historical sketch of his seminal contribution to the field as well as some insightful discussion on the leading hypotheses to explain the pattern. The rest of the issue is a healthy mix of theory (e.g., Charlesworth, Campos, & Jackson, 2018;Ghenu, Blanckaert, Butlin, Kulmuni, & Bank, 2018;Patten, 2018), review (Cutter, 2018;Irwin, 2018;O'Neill & O'Neill, 2018;Presgraves, 2018), methods development (Steinrücken, Spence, Kamm, Wieczorek, & Song, 2018) and empirical papers, some focusing on comparing patterns of differentiation and gene flow between incipient species at autosomes and sex chromosomes (Van Belleghem et al, 2018;Moran et al, 2018;Steinrücken et al, 2018), others looking at sequence and expression evolution of sex-linked genes (Filatov, 2018;Llopart, 2018), some mapping the genomic architecture of reproductive isolation (Liu & Karrenberg, 2018) or even using comparative phylogenetic approaches (Pennell, Mank, & Peichel, 2018). Of significance, the issue included systems that have not been studied very commonly in this context such as plants (Filatov, 2018;Liu & Karrenberg, 2018) and worms (Cutter, 2018).…”
Section: S Pecial Issue Smentioning
confidence: 99%