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X exceptionalism in Caenorhabditis speciation
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| Zeitschriftentitel: | Molecular Ecology |
|---|---|
| Personen und Körperschaften: | |
| In: | Molecular Ecology, 27, 2018, 19, S. 3925-3934 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Cutter, Asher D. Cutter, Asher D. |
|---|---|
| author |
Cutter, Asher D. |
| spellingShingle |
Cutter, Asher D. Molecular Ecology X exceptionalism in Caenorhabditis speciation Genetics Ecology, Evolution, Behavior and Systematics |
| author_sort |
cutter, asher d. |
| spelling |
Cutter, Asher D. 0962-1083 1365-294X Wiley Genetics Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/mec.14423 <jats:title>Abstract</jats:title><jats:p>Speciation genetics research in diverse organisms shows the X‐chromosome to be exceptional in how it contributes to “rules” of speciation. Until recently, however, the nematode phylum has been nearly silent on this issue, despite the model organism <jats:italic>Caenorhabditis elegans</jats:italic> having touched most other topics in biology. Studies of speciation with <jats:italic>Caenorhabditis</jats:italic> accelerated with the recent discovery of species pairs showing partial interfertility. The resulting genetic analyses of reproductive isolation in nematodes demonstrate key roles for the X‐chromosome in hybrid male sterility and inviability, opening up new understanding of the genetic causes of Haldane's rule, Darwin's corollary to Haldane's rule, and enabling tests of the large‐X effect hypothesis. Studies to date implicate improper chromatin regulation of the X‐chromosome by small <jats:styled-content style="fixed-case">RNA</jats:styled-content> pathways as integral to hybrid male dysfunction. Sexual transitions in reproductive mode to self‐fertilizing hermaphroditism inject distinctive molecular evolutionary features into the speciation process for some species. <jats:italic>Caenorhabditis</jats:italic> also provides unique opportunities for analysis in a system with <jats:styled-content style="fixed-case">XO</jats:styled-content> sex determination that lacks a Y‐chromosome, sex chromosome‐dependent sperm competition differences and mechanisms of gametic isolation, exceptional accessibility to the development process and rapid experimental evolution. As genetic analysis of reproductive isolation matures with investigation of multiple pairs of <jats:italic>Caenorhabditis</jats:italic> species and new species discovery, nematodes will provide a powerful complement to more established study organisms for deciphering the genetic basis of and rules to speciation.</jats:p> X exceptionalism in <i>Caenorhabditis</i> speciation Molecular Ecology |
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Wiley, 2018 |
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Molecular Ecology |
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| title |
X exceptionalism in Caenorhabditis speciation |
| title_unstemmed |
X exceptionalism in Caenorhabditis speciation |
| title_full |
X exceptionalism in Caenorhabditis speciation |
| title_fullStr |
X exceptionalism in Caenorhabditis speciation |
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X exceptionalism in Caenorhabditis speciation |
| title_short |
X exceptionalism in Caenorhabditis speciation |
| title_sort |
x exceptionalism in <i>caenorhabditis</i> speciation |
| topic |
Genetics Ecology, Evolution, Behavior and Systematics |
| url |
http://dx.doi.org/10.1111/mec.14423 |
| publishDate |
2018 |
| physical |
3925-3934 |
| description |
<jats:title>Abstract</jats:title><jats:p>Speciation genetics research in diverse organisms shows the X‐chromosome to be exceptional in how it contributes to “rules” of speciation. Until recently, however, the nematode phylum has been nearly silent on this issue, despite the model organism <jats:italic>Caenorhabditis elegans</jats:italic> having touched most other topics in biology. Studies of speciation with <jats:italic>Caenorhabditis</jats:italic> accelerated with the recent discovery of species pairs showing partial interfertility. The resulting genetic analyses of reproductive isolation in nematodes demonstrate key roles for the X‐chromosome in hybrid male sterility and inviability, opening up new understanding of the genetic causes of Haldane's rule, Darwin's corollary to Haldane's rule, and enabling tests of the large‐X effect hypothesis. Studies to date implicate improper chromatin regulation of the X‐chromosome by small <jats:styled-content style="fixed-case">RNA</jats:styled-content> pathways as integral to hybrid male dysfunction. Sexual transitions in reproductive mode to self‐fertilizing hermaphroditism inject distinctive molecular evolutionary features into the speciation process for some species. <jats:italic>Caenorhabditis</jats:italic> also provides unique opportunities for analysis in a system with <jats:styled-content style="fixed-case">XO</jats:styled-content> sex determination that lacks a Y‐chromosome, sex chromosome‐dependent sperm competition differences and mechanisms of gametic isolation, exceptional accessibility to the development process and rapid experimental evolution. As genetic analysis of reproductive isolation matures with investigation of multiple pairs of <jats:italic>Caenorhabditis</jats:italic> species and new species discovery, nematodes will provide a powerful complement to more established study organisms for deciphering the genetic basis of and rules to speciation.</jats:p> |
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| description | <jats:title>Abstract</jats:title><jats:p>Speciation genetics research in diverse organisms shows the X‐chromosome to be exceptional in how it contributes to “rules” of speciation. Until recently, however, the nematode phylum has been nearly silent on this issue, despite the model organism <jats:italic>Caenorhabditis elegans</jats:italic> having touched most other topics in biology. Studies of speciation with <jats:italic>Caenorhabditis</jats:italic> accelerated with the recent discovery of species pairs showing partial interfertility. The resulting genetic analyses of reproductive isolation in nematodes demonstrate key roles for the X‐chromosome in hybrid male sterility and inviability, opening up new understanding of the genetic causes of Haldane's rule, Darwin's corollary to Haldane's rule, and enabling tests of the large‐X effect hypothesis. Studies to date implicate improper chromatin regulation of the X‐chromosome by small <jats:styled-content style="fixed-case">RNA</jats:styled-content> pathways as integral to hybrid male dysfunction. Sexual transitions in reproductive mode to self‐fertilizing hermaphroditism inject distinctive molecular evolutionary features into the speciation process for some species. <jats:italic>Caenorhabditis</jats:italic> also provides unique opportunities for analysis in a system with <jats:styled-content style="fixed-case">XO</jats:styled-content> sex determination that lacks a Y‐chromosome, sex chromosome‐dependent sperm competition differences and mechanisms of gametic isolation, exceptional accessibility to the development process and rapid experimental evolution. As genetic analysis of reproductive isolation matures with investigation of multiple pairs of <jats:italic>Caenorhabditis</jats:italic> species and new species discovery, nematodes will provide a powerful complement to more established study organisms for deciphering the genetic basis of and rules to speciation.</jats:p> |
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| spelling | Cutter, Asher D. 0962-1083 1365-294X Wiley Genetics Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/mec.14423 <jats:title>Abstract</jats:title><jats:p>Speciation genetics research in diverse organisms shows the X‐chromosome to be exceptional in how it contributes to “rules” of speciation. Until recently, however, the nematode phylum has been nearly silent on this issue, despite the model organism <jats:italic>Caenorhabditis elegans</jats:italic> having touched most other topics in biology. Studies of speciation with <jats:italic>Caenorhabditis</jats:italic> accelerated with the recent discovery of species pairs showing partial interfertility. The resulting genetic analyses of reproductive isolation in nematodes demonstrate key roles for the X‐chromosome in hybrid male sterility and inviability, opening up new understanding of the genetic causes of Haldane's rule, Darwin's corollary to Haldane's rule, and enabling tests of the large‐X effect hypothesis. Studies to date implicate improper chromatin regulation of the X‐chromosome by small <jats:styled-content style="fixed-case">RNA</jats:styled-content> pathways as integral to hybrid male dysfunction. Sexual transitions in reproductive mode to self‐fertilizing hermaphroditism inject distinctive molecular evolutionary features into the speciation process for some species. <jats:italic>Caenorhabditis</jats:italic> also provides unique opportunities for analysis in a system with <jats:styled-content style="fixed-case">XO</jats:styled-content> sex determination that lacks a Y‐chromosome, sex chromosome‐dependent sperm competition differences and mechanisms of gametic isolation, exceptional accessibility to the development process and rapid experimental evolution. As genetic analysis of reproductive isolation matures with investigation of multiple pairs of <jats:italic>Caenorhabditis</jats:italic> species and new species discovery, nematodes will provide a powerful complement to more established study organisms for deciphering the genetic basis of and rules to speciation.</jats:p> X exceptionalism in <i>Caenorhabditis</i> speciation Molecular Ecology |
| spellingShingle | Cutter, Asher D., Molecular Ecology, X exceptionalism in Caenorhabditis speciation, Genetics, Ecology, Evolution, Behavior and Systematics |
| title | X exceptionalism in Caenorhabditis speciation |
| title_full | X exceptionalism in Caenorhabditis speciation |
| title_fullStr | X exceptionalism in Caenorhabditis speciation |
| title_full_unstemmed | X exceptionalism in Caenorhabditis speciation |
| title_short | X exceptionalism in Caenorhabditis speciation |
| title_sort | x exceptionalism in <i>caenorhabditis</i> speciation |
| title_unstemmed | X exceptionalism in Caenorhabditis speciation |
| topic | Genetics, Ecology, Evolution, Behavior and Systematics |
| url | http://dx.doi.org/10.1111/mec.14423 |