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#sexchromosomes

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Molecular Biology & Evolution<p>Okuno et al. assemble male genomes for three spiny rat species, tracing Y chromosome loss and gene translocation. Authors show that segmental duplications and rearrangements enabled preservation of Y-linked genes on the X.</p><p>🔗 doi.org/10.1093/molbev/msaf102</p><p><a href="https://ecoevo.social/tags/molbio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>molbio</span></a> <a href="https://ecoevo.social/tags/evobio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>evobio</span></a> <a href="https://ecoevo.social/tags/sexchromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sexchromosomes</span></a></p>
Lyndsay Barwell<p>Men can lose their Y chromosome in some cells and it makes them more prone to illness?!?</p><p>Still new things to learn. </p><p>From new scientist 3 may 2025</p><p><a href="https://sciences.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://sciences.social/tags/genetics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>genetics</span></a> <a href="https://sciences.social/tags/sexchromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sexchromosomes</span></a> <a href="https://sciences.social/tags/biology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biology</span></a></p>
michael<p>Let me tell you 'bout the birds and the bees and the octopuses: </p><p>3-Feb-2025<br><a href="https://mastodon.social/tags/Octopuses" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Octopuses</span></a> have some of the oldest known <a href="https://mastodon.social/tags/sexChromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sexChromosomes</span></a><br>New research at the UO shows they’ve been using one that’s been around for 480 million years</p><p><a href="https://www.eurekalert.org/news-releases/1072206" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eurekalert.org/news-releases/1</span><span class="invisible">072206</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/evolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>evolution</span></a> <a href="https://mastodon.social/tags/chromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>chromosomes</span></a> <a href="https://mastodon.social/tags/genome" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>genome</span></a> <a href="https://mastodon.social/tags/sexDetermination" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sexDetermination</span></a> <a href="https://mastodon.social/tags/cephalopods" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cephalopods</span></a></p>
michael<p>8-Jan-2025</p><p>A nearly gapless <a href="https://mastodon.social/tags/genome" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>genome</span></a> sequence of the <a href="https://mastodon.social/tags/echidna" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>echidna</span></a>, an egg-laying mammal with multiple <a href="https://mastodon.social/tags/sexChromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sexChromosomes</span></a>, helps researchers to track genomic reorganization events that gave rise to a highly unusual <a href="https://mastodon.social/tags/sexDetermination" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sexDetermination</span></a> system.</p><p>related to the system of the <a href="https://mastodon.social/tags/platypus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>platypus</span></a> which was the cover story in my book "Der Kuss des Schnabeltiers" / "The birds, the bees, and the platypuses." 15 years later I can't remember how that worked but I loved the story. </p><p><a href="https://www.eurekalert.org/news-releases/1069499" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eurekalert.org/news-releases/1</span><span class="invisible">069499</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a></p>
michael<p>30-JUL-2024<br><a href="https://mastodon.social/tags/Platypus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Platypus</span></a> and chicken reveal how chromosomes balance between the sexes</p><p><a href="https://www.eurekalert.org/news-releases/1053015" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eurekalert.org/news-releases/1</span><span class="invisible">053015</span></a> </p><p><a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/evolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>evolution</span></a> <a href="https://mastodon.social/tags/SexChromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SexChromosomes</span></a> <a href="https://mastodon.social/tags/birds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>birds</span></a> <a href="https://mastodon.social/tags/SexDetermination" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SexDetermination</span></a> <a href="https://mastodon.social/tags/monotremes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>monotremes</span></a></p>
PLOS Biology<p>Sex- and cell-type-specific regulation on <a href="https://fediscience.org/tags/SexChromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SexChromosomes</span></a>. @kweiosis &amp;co take advantage the young sex chromosomes of <a href="https://fediscience.org/tags/Drosophila" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Drosophila</span></a> miranda to explore how ex-autosomes acquire sex chromosome-specific regulatory programs <a href="https://fediscience.org/tags/PLOSBiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PLOSBiology</span></a> <a href="https://plos.io/4bdrwlu" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">plos.io/4bdrwlu</span><span class="invisible"></span></a></p>
michael<p>11-JAN-2024<br>First prehistoric person with Turner syndrome (ie only X rather than XX or XY) identified from <a href="https://mastodon.social/tags/ancientDNA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ancientDNA</span></a></p><p><a href="https://www.eurekalert.org/news-releases/1030707" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eurekalert.org/news-releases/1</span><span class="invisible">030707</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/genetics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>genetics</span></a> <a href="https://mastodon.social/tags/genome" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>genome</span></a> <a href="https://mastodon.social/tags/SexChromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SexChromosomes</span></a></p>
Lukas VFN 🇪🇺<p>Beyond X and Y: <a href="https://scholar.social/tags/Fish" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Fish</span></a> have different methods of sex determination <a href="https://oceanbites.org/beyond-x-and-y-fish-have-different-methods-of-sex-determination/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">oceanbites.org/beyond-x-and-y-</span><span class="invisible">fish-have-different-methods-of-sex-determination/</span></a></p><p>Rapid turnover and <a href="https://scholar.social/tags/evolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>evolution</span></a> of sex-determining regions in Sebastes <a href="https://scholar.social/tags/rockfishes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rockfishes</span></a> <a href="https://onlinelibrary.wiley.com/doi/10.1111/mec.17090" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">onlinelibrary.wiley.com/doi/10</span><span class="invisible">.1111/mec.17090</span></a></p><p>"Some fish even change sex partway through their adult life, based on size or age! Closely related species of fish often have different <a href="https://scholar.social/tags/SexChromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SexChromosomes</span></a> or lack clear sex <a href="https://scholar.social/tags/chromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>chromosomes</span></a> altogether, indicating that <a href="https://scholar.social/tags/SexDetermination" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SexDetermination</span></a> evolves quickly and is highly variable."</p>
Marc Robinson-Rechavi<p>Very nice overview by <span class="h-card"><a href="https://ecoevo.social/@jfmclaughlin92" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>jfmclaughlin92</span></a></span> et al of the complexity of concepts of "sex" in animals, at both <a href="https://ecoevo.social/tags/genetic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>genetic</span></a> and <a href="https://ecoevo.social/tags/phenotypic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>phenotypic</span></a> levels. <a href="https://ecoevo.social/tags/EvolutionaryBiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EvolutionaryBiology</span></a> <a href="https://ecoevo.social/tags/SexChromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SexChromosomes</span></a> <a href="https://ecoevo.social/tags/ecoevo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ecoevo</span></a> <a href="https://ecoevo.social/tags/zoology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zoology</span></a> <br><a href="https://ecoevo.social/@jfmclaughlin92/109779136788347129" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ecoevo.social/@jfmclaughlin92/</span><span class="invisible">109779136788347129</span></a></p>
Sophie Helen Smith<p>Hello! I'm Sophie, a PhD researcher in Germany investigating sex chromosome evolution in cichlids 🐟🐠 My main interests are the <a href="https://ecoevo.social/tags/Evolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Evolution</span></a> of sex and <a href="https://ecoevo.social/tags/sexchromosomes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sexchromosomes</span></a> , <a href="https://ecoevo.social/tags/sexualconflict" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sexualconflict</span></a> and how these can influence <a href="https://ecoevo.social/tags/Speciation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Speciation</span></a> . Looking forward to a bit of <a href="https://ecoevo.social/tags/phdchat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>phdchat</span></a> and all the animal photos</p>