From: Charles Plessy Date: Tue, 18 Oct 2022 03:59:54 +0000 (+0900) Subject: Café X-Git-Url: https://source.charles.plessy.org/?a=commitdiff_plain;h=d434ccfc7c67334b45691a12da156cb8f185788a;p=source--%2F.git Café --- diff --git a/biblio/16120641.mdwn b/biblio/16120641.mdwn new file mode 100644 index 00000000..15f19e59 --- /dev/null +++ b/biblio/16120641.mdwn @@ -0,0 +1,10 @@ +[[!meta title="The evolutionary history of placodes: a molecular genetic investigation of the larvacean urochordate Oikopleura dioica."]] +[[!tag Oikopleura olfaction]] + +Bassham S, Postlethwait JH. + +Development. 2005 Oct;132(19):4259-72. doi:10.1242/dev.01973 + +The evolutionary history of placodes: a molecular genetic investigation of the larvacean urochordate _Oikopleura dioica_. + +[[!pmid 16120641 desc="Animals fed with algal concentrates. _O. dioica_ has one orthologue of _eyes absent_, _Eya_, and one orthologue of the vertebrate _Pitx_ genes, with multiple promoters and alternative splice sites, and lacking an OAR domain. It has three _sine oculis_ orthologues, _Six1/2_, _Six3/6a_ and _Six3/6b. They are not clustered like vertebrate genes, but the two _Six3/6_ share an intron position in their homeodomain. Expression pattern of these genes support the hypothesis that _O. dioica_ has a placode that is homologous to the vertebrate olfactory placode."]] diff --git a/tags/Oikopleura.mdwn b/tags/Oikopleura.mdwn index 0bc923fe..a81e4dc6 100644 --- a/tags/Oikopleura.mdwn +++ b/tags/Oikopleura.mdwn @@ -258,6 +258,8 @@ Genes and pathways - _O. dioica_ has the miRNA machinery and some miRNAs such as _let-7a_ were detected. 36 % of the miRNAs had a length of 22 nt in [[Fu, Adamski and Thompson, 2008|biblio/18339653]]. - 6 FGF genes were detected by Oulion, Bertrand and Escriva ([[2012|biblio/22919541]]). + - _Eya_, _Pitx_, _Six1/2_, _Six3/6a_ and _Six3/6b_, with expression patterns supporting + homology of larvacean and vertebrate placodes ([[Bassham and Postlethwait, 2005|biblio/16120641]]). ### Lost