From: Charles Plessy Date: Thu, 17 Jun 2021 23:52:10 +0000 (+0900) Subject: C. Roulei X-Git-Url: https://source.charles.plessy.org/?a=commitdiff_plain;h=dd9801803cff39f377c4a0f97c3c3f98358d1345;p=source.git C. Roulei --- diff --git a/tags/Ciona.mdwn b/tags/Ciona.mdwn index 86cae169..54df4717 100644 --- a/tags/Ciona.mdwn +++ b/tags/Ciona.mdwn @@ -21,6 +21,9 @@ years ago ([[Roux and coll., 2013|biblio/23564941]]). ## Hybridisation between species +_C. intestinalis_ and _C. savignyi_ can cross-fertilise after removal of the +vitelline enveloppe ([[Byrd and Lambert, 2000|biblio/10602281]]). + _Ciona robusta_'s sperm can efficiently fertilise _C. intestinalis_ eggs, but the fertilisation rates are much lower in the reciprocal crosses ([[Suzuki, Nishikawa and Bird, 2005|biblio/16205978]], [[Caputi and coll., @@ -31,8 +34,8 @@ strains from Plymouth did not develop beyond cleavage ([[Caputi and coll., analysis of wild animals of ([[Bouchemousse and coll., 2016|biblio/27662427]]) were F1 and of _C. int_ maternal origin. -_C. intestinalis_ and _C. savignyi_ can cross-fertilise after removal of the -vitelline enveloppe ([[Byrd and Lambert, 2000|biblio/10602281]]). +_C. roulei_ can cross-hybridise easily with _C. intestinalis_, suggesting +that they are the same species ([[Malfant, Darras and Viart, 2018|biblio/29367599]]). ## Detailed evidence for speciation