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+[[!meta title="Conserved patterns of nuclear compartmentalization are not observed in the chordate Oikopleura."]]
+[[!tag Oikopleura]]
+
+Biol Cell. 2007 May;99(5):273-87 doi:10.1042/BC20060124
+
+Spada F, Koch J, Sadoni N, Mitchell N, Ganot P, De Boni U, Zink D, Thompson EM.
+
+Conserved patterns of nuclear compartmentalization are not observed in the chordate Oikopleura.
+
+[[!pmid 17288541 desc="“[In endocycling cells,] simultaneous staining of DNA, RNA and membranes showed [...] deep invaginations of the nuclear envelope.”  “O. dioica endocycling nuclei showed no polytenization or in loco gene amplification.”  “An oikosin 6 probe [indicated] a family of related genes at multiple loci.  Oikosin 4 and 6 were physically linked in a number of BAC clones.”  “[Antibodies against splicing factors] failed to detect speckles in O. dioica endocycling nuclei and no interchromatin cluster granules were observed in the TEM images, suggesting these nuclei lack prominent splicing-factor domains.”"]]

diff --git a/tags/Oikopleura.mdwn b/tags/Oikopleura.mdwn
index 30b8f0b4696e8417a6396a3a75e875b0663b5a6f..52ea178f46aa226756fed7eac9bc2a3fcc40b17a 100644 (file)
--- a/tags/Oikopleura.mdwn
+++ b/tags/Oikopleura.mdwn
@@ -199,6 +199,8 @@ Epigenome
 
  - “Knobs” of heterochromatin strongly marked by H3K9me3 and enriched in H3K4me3 are prominent in
    endocycling cells ([[Spada, Vincent and Thompson (2005)|biblio/15791412]]).
+ - Histone 3.3 phosphorylation is seen in mitotic and meiotic cells, but not in
+   endocycling ones ([[Schulmeister, Schmid and Thompson, 2007|biblio/17333540]]).
  - Some 5-methylcytosine was detected by MeDIP-chip by ([[Navratilova et al., 2017|biblio/28115992]]).
  - Chromatin domains are rarely longer than 7 nucleosomes ([[Navratilova et al., 2017|biblio/28115992]]).
 
@@ -287,8 +289,9 @@ Development
    Postlethwait (2000)|biblio/10753519]]).
  - Expression of development genes is retarded by polyunsaturated aldehydes produced
    by diatoms ([[Torres-Águila and coll., 2018|biblio/30272001]]).
- - Histone 3.3 phosphorylation is seen in mitotic and meiotic cells, but not in
-   endocycling ones ([[Schulmeister, Schmid and Thompson, 2007|biblio/17333540]]).
+ - Endocycling cells show no polytenisation nor _in loco_ amplifications.  Deep invaginations
+   of the nuclear envelopper are shown by simultaneous staining of DNA, RNA and membranes
+   ([[Spada and coll., 2007|biblio/17288541]]).
 
 
 Anatomy