Café

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+[[!meta title="The brittle star genome illuminates the genetic basis of animal appendage regeneration"]]
+[[!tag synteny]]
+
+bioRxiv 2023.10.30.564762; doi:10.1101/2023.10.30.564762
+
+Elise Parey, Olga Ortega-Martinez, Jérôme Delroisse, Laura Piovani, Anna Czarkwiani, David Dylus, Srishti Arya, Samuel Dupont, Michael Thorndyke, Tomas Larsson, Kerstin Johannesson, Katherine M. Buckley, Pedro Martinez, Paola Oliveri, Ferdinand Marlétaz
+
+The brittle star genome illuminates the genetic basis of animal appendage regeneration
+
+[[!doi 10.1101/2023.10.30.564762 desc="“We showed that the ‘Eleutherozoa Linkage Groups’ descend from a single fusion of ancestral bilaterian linkages (B2+C2).”  “Interestingly, sea cucumbers have the lowest rate of inter-chromosomal rearrangements, yet the most derived echinoderm body plan (Rahman et al. 2019), which highlights the uncoupling of global genomic rearrangements from morphological evolution.”  “In contrast with its sea star sister-group, the A. filiformis genome is highly rearranged: our analyses identified 26 inter-chromosomal rearrangements since the Eleutherozoa ancestor.”"]]

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@@ -85,6 +85,10 @@ but higher than in plants ([[Li and coll., 2022|biblio/36334587]]).
  - The ancestral bilaterian had 24 linkage groups according to [[Simakov and
    coll., 2022|biblio/35108053]].
 
+ - The Eleutherozoa Linkage Groups descend from a single fusion of ancestral
+   bilaterian linkages B2 and C2 ([[Parey and coll., 2023|biblio/10.1101_2023.10.30.564762]]).
+   Some clades there scrambled a lot, and some not (sea cucumbers).
+
 ### Computational aspects
 
  - [[Rocha (2003)|biblio/14585609]] defines a Gene Order Conservation (GOC)