Merian elements

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+[[!meta title="Comparative genomics reveals the dynamics of chromosome evolution in Lepidoptera."]]
+[[!tag synteny]]
+
+Wright CJ, Stevens L, Mackintosh A, Lawniczak M, Blaxter M.
+
+Comparative genomics reveals the dynamics of chromosome evolution in Lepidoptera.
+
+Nat Ecol Evol. 2024 Feb 21. doi:10.1038/s41559-024-02329-4
+
+[[!pmid  38383850 desc="“We assigned 4,112 orthologues (78%) to 32 ALGs: 31 autosomes and Z, the sex chromosome. Hereafter, we refer to these ALGs as Merian elements, named after the seventeenth-century lepidopterist and botanical artist, Maria Sibylla Merian”  ”Merian elements have remained intact in most species”  “Lepidopteran chromosomes arising from fusions retain syntenic domains that reflect the original elements. Remarkably, this includes the M17 + M20 fusion, which occurred ~200 million years ago”"]]

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@@ -92,6 +92,10 @@ can be observed in fungi even when ITS sequences are 100% identical.
    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).
 
+ - [[Wright and coll., 2024|biblio/38383850]] found 32 ALGs in lepidopteran,
+   which they termed Merian elements.  There is a case where scrambling has
+   not erased traces of a fusion that occured 200 million years ago.
+
 ### Computational aspects
 
  - [[Rocha (2003)|biblio/14585609]] defines a Gene Order Conservation (GOC)