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+[[!meta title="Evolution of Tunicate lifestyles shaped by Myosin heavy chain gene duplications, losses, and the diversification of tail muscle cell identities in Oikopleura dioica"]]
+[[!tag biorXiv Oikopleura]]
+
+Marc Fabregà-Torrus, Alfonso Ferrández-Roldán, Gaspar Sánchez-Serna, Beatriz Iralde Cárdenas, Cristian Cañestro
+
+bioRxiv 2025.12.09.693291; doi: 10.64898/2025.12.09.693291
+
+Evolution of Tunicate lifestyles shaped by Myosin heavy chain gene duplications, losses, and the diversification of tail muscle cell identities in Oikopleura dioica
+
+[[!doi 10.64898/2025.12.09.693291 desc="_O. dioica_ lost the jaw/body wall myosin heavy chain and amplified the paraxial ones."]]
- There are two copies of Aurora, _OdAur1_ and _OdAur2_. In meiosis, they
localise to the centrosomes and the spindle respectively ([[Feng and
Thompson, 2023|biblio/38130951]]).
+ - _O. doica_ amplified the paraxial myosin heavy chains ([[Marc Fabregà-Torrus and coll., 2025|biblio/10.64898_2025.12.09.693291]]).
### Lost
+ - _O. doica_ lost the jaw/body wall myosin heavy chain ([[Marc Fabregà-Torrus and coll., 2025|biblio/10.64898_2025.12.09.693291]]).
- _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.