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+[[!meta title="On the evolutionary origin of eukaryotic DNA methyltransferases and Dnmt2."]]
+[[!tag Oikopleura]]
+
+Jurkowski TP, Jeltsch A.
+
+On the evolutionary origin of eukaryotic DNA methyltransferases and Dnmt2.
+
+PLoS One. 2011;6(11):e28104. doi:10.1371/journal.pone.0028104
+
+[[!pmid 22140515 desc="Did not find Dnmt2 in O. dioica."]]
- _O. dioica_ lacks Dnmt1 and Dnmt3 ([[Cañestro, Yokoi and Postlethwait, 2007|biblio/18007650]],
[[Albalat, Martí-Solans and Cañestro, 2012|biblio/22389042]]).
It has Dnmt2, but this is a tRNA methyltransferase and it was later renamed Trdmt1 accordingly.
+ [[Jurkowski and Jeltsch (2011)|bilbio/22140515]] did not find Dnmt2 in O. dioica.
- CYP1 family genes and their regulator AhR are not detectable
([[Yadetie et al, 2012|biblio/22300585]]).
- No olfactory receptors have been found in _Oikopleura_ nor in _Ciona_