Café télomères.

diff --git a/biblio/17123503.mdwn b/biblio/17123503.mdwn
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+[[!meta title="The cytoskeleton organizes germ nuclei with divergent fates and asynchronous cycles in a common cytoplasm during oogenesis in the chordate Oikopleura."]]
+[[!tag Oikopleura telomere]]
+
+Ganot P, Kallesøe T, Thompson EM.
+
+Dev Biol. 2007 Feb 15;302(2):577-90 doi:10.1016/j.ydbio.2006.10.022
+
+The cytoskeleton organizes germ nuclei with divergent fates and asynchronous cycles in a common cytoplasm during oogenesis in the chordate Oikopleura.
+
+[[!pmid 17123503 desc="In early meiotic nuclei, telomeres and nuclear pore complexes ”cluster in non-overlapping regions of the nuclear envelope”.  During some stages of oocyte maturation, the telomeres of the endocycling nurse cells “clustered at the nuclear periphery, in a compartment with no detectable elongating RNA polymerase II”.  Colchicine treatment induced early oocyte differenciation."]]

diff --git a/tags/Oikopleura.mdwn b/tags/Oikopleura.mdwn
index 567c8c5c14290637edbd38f665808916f396a101..5df283d84c36ce64d0b61c145abd08632f9419ac 100644 (file)
--- a/tags/Oikopleura.mdwn
+++ b/tags/Oikopleura.mdwn
@@ -242,6 +242,12 @@ Development
    culture conditions might differ.
  - Increased food abundance increases egg number but does not change diameter nor
    generation time ([[Troedsson and coll., 2002|biblio/10.3354_meps243083]]).
+ - Colchicine treatment induced early differenciation of the oocytes
+   ([[Ganot, Kallesøe, Thompson (2007)|biblio/17123503]]).
+ - Telomeres are localised at the nuclear envelope and do not overlap with nuclear
+   pore complexes in early meiotic oocytes before H3S10 phosphorylation.  In nurse
+   cells at a later stage of oocyte development, the telomeres localise in silent
+   chromatin at the nuclear periphery ([[Ganot, Kallesøe, Thompson (2007)|biblio/17123503]]).
  - The _Oikopleura_ CNS possesses homologs of the vertebrate forebrain,
    hindbrain, and spinal cord, but not the midbrain.  No expression of
    _pax2/5/8_ is detected between the _otxa_ + _otxb_ and the _hox1_ territories.