Café

diff --git a/biblio/33408411.mdwn b/biblio/33408411.mdwn
new file mode 100644 (file)
index 0000000..a6dc671
--- /dev/null
+++ b/biblio/33408411.mdwn
@@ -0,0 +1,10 @@
+[[!meta title="Platypus and echidna genomes reveal mammalian biology and evolution."]]
+[[!tag genome synteny]]
+
+Zhou Y, Shearwin-Whyatt L, Li J, Song Z, Hayakawa T, Stevens D, Fenelon JC, Peel E, Cheng Y, Pajpach F, Bradley N, Suzuki H, Nikaido M, Damas J, Daish T, Perry T, Zhu Z, Geng Y, Rhie A, Sims Y, Wood J, Haase B, Mountcastle J, Fedrigo O, Li Q, Yang H, Wang J, Johnston SD, Phillippy AM, Howe K, Jarvis ED, Ryder OA, Kaessmann H, Donnelly P, Korlach J, Lewin HA, Graves J, Belov K, Renfree MB, Grutzner F, Zhou Q, Zhang G.
+
+Nature. 2021 Jan 6. doi:10.1038/s41586-020-03039-0
+
+Platypus and echidna genomes reveal mammalian biology and evolution. 
+
+[[!pmid 33408411 desc="The ancestral mammalian genome had 30 pairs of chromosomes."]]

diff --git a/tags/synteny.mdwn b/tags/synteny.mdwn
index 5899c801f2e16f348a8e1e75e0d76923a8f8b5b1..1a531eabdc1523da03d4f95bb053a6abaf0060ef 100644 (file)
--- a/tags/synteny.mdwn
+++ b/tags/synteny.mdwn
@@ -9,17 +9,6 @@ were enriched near CTCF-binding events.
 distribution follows a power law and explain it with a model that requires
 breakpoints to be in open regions (ENCODE) interacting with each other (Hi-C).
 
-The ancestral chordate has 17 chromosomes according to amphioxus assemblies of
-[[Putnam and coll, 2008|biblio/18563158]] and [[Simakov and coll., 2020|biblio/32313176]].
-
-The scallop genome has 19 chromosomes, which are syntenic to the 17 ancestral
-chordate chromosomes.  _Drosophila_ has no synteny with scallop, but _C.
-elegans_ still has some [[Wang and coll., 2017|biblio/28812685]].  The annelid
-worm _Dimorphilus gyrociliatus_ also has
-([[Martín-Durán and coll., 2020|biblio/10.1101_2020.05.07.078311]]).
-
-The ancestral amniote has 49 chromosomes according to [[Sacerdot and coll., 2018|biblio/30333059]].
-
 [[Renschler and coll. (2019)|biblio/31601616]] found 20 synteny breakpoints
 (SB) per Mb on average. “Approximately 75% of SBs stay within the A or B
 compartment”  “Overlaps of TAD boundaries and SB breakpoints in all comparisons
@@ -31,4 +20,19 @@ chromosomal inversions fixed per million years in _Drosophila_.
 In insects, the Osiris gene family shows conservation of synteny over ~400
 million years ([[Sah and coll., 2012|biblio/22384409]]).
 
+### Ancestral karyotpyes
+
+ - The ancestral mammalian genome has 30 chromosomes ([[Zhou and coll., 2021|biblio/33408411]]).
+
+ - The ancestral chordate has 17 chromosomes according to amphioxus assemblies
+  ([[Putnam and coll, 2008|biblio/18563158]], [[Simakov and coll., 2020|biblio/32313176]]).
+
+ - The scallop genome has 19 chromosomes, which are syntenic to the 17 ancestral
+   chordate chromosomes.  _Drosophila_ has no synteny with scallop, but _C.
+   elegans_ still has some [[Wang and coll., 2017|biblio/28812685]].  The annelid
+   worm _Dimorphilus gyrociliatus_ also has
+   ([[Martín-Durán and coll., 2020|biblio/10.1101_2020.05.07.078311]]).
+
+ - The ancestral amniote has 49 chromosomes ([[Sacerdot and coll., 2018|biblio/30333059]]).
+
 [[!inline pages="tagged(synteny)" limit=0]]