Café

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+[[!meta title="Cryptic speciation in a model invertebrate chordate."]]
+[[!tag Ciona speciation]]
+
+Caputi L, Andreakis N, Mastrototaro F, Cirino P, Vassillo M, Sordino P.
+
+Proc Natl Acad Sci U S A. 2007 May 29;104(22):9364-9 doi:10.1073/pnas.0610158104
+
+Cryptic speciation in a model invertebrate chordate.
+
+[[!pmid 17517633 desc="Only C. robusta female gametes could be fertilised by sperm from either C. rob or C. int.  Hybrids were infertile.  Allospecific crosses between two sympatric strains from Plymouth could not develop beyond a few cell cleavages."]]

diff --git a/tags/Ciona.mdwn b/tags/Ciona.mdwn
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--- a/tags/Ciona.mdwn
+++ b/tags/Ciona.mdwn
@@ -7,8 +7,11 @@ estimated to have diverged 122 ± 33 million years ago ([[Delsuc and coll.,
 
 _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]], [[Malfant, Darras and Viart,
-2018|biblio/29367599]]).
+Nishikawa and Bird, 2005|biblio/16205978]], [[Caputi and coll.,
+2007|biblio/17517633]], [[Malfant, Darras and Viart, 2018|biblio/29367599]]).
+Hybrids were infertile and a _C. rob_ - _C. int_ cross from two sympatric
+strains from Plymouth did not develop beyond cleavage ([[Caputi and coll.,
+2007|biblio/17517633]]).
 
 Comparison of mitochnodrial CO1 sequences show that _C. intestinalis_ types A
 and B (now renamed _robusta_ and _intestinalis sensu_) are as distant as