2019
DOI: 10.1111/mec.14990
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A reciprocal translocation radically reshapes sex‐linked inheritance in the common frog

Abstract: X and Y chromosomes can diverge when rearrangements block recombination between them. Here we present the first genomic view of a reciprocal translocation that causes two physically unconnected pairs of chromosomes to be coinherited as sex chromosomes. In a population of the common frog (Rana temporaria), both pairs of X and Y chromosomes show extensive sequence differentiation, but not degeneration of the Y chromosomes. A new method based on gene trees shows both chromosomes are sex‐linked. Furthermore, the g… Show more

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Cited by 33 publications
(54 citation statements)
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“…The translocation breakpoint links the segregation of the two Y chromosomes and is therefore the centre of differentiation on the new Y chromosome that does not carry the SDR. On chromosomes 1 and 2 in the Ammarnäs population of R. temporaria , Toups et al () observe patterns of male‐female F ST that are consistent with these predictions.…”
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confidence: 62%
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“…The translocation breakpoint links the segregation of the two Y chromosomes and is therefore the centre of differentiation on the new Y chromosome that does not carry the SDR. On chromosomes 1 and 2 in the Ammarnäs population of R. temporaria , Toups et al () observe patterns of male‐female F ST that are consistent with these predictions.…”
mentioning
confidence: 62%
“…The genomic data presented by Toups et al () support the presence of a reciprocal translocation between the ancestral sex chromosome (chromosome 1) and an autosome (chromosome 2) in an R. temporaria population in Ammarnäs, Sweden. Gene trees on both chromosomes have Y chromosome clades that are found only in males and have topologies that are consistent with one another, indicating co‐inheritance.…”
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confidence: 86%
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