From: Charles Plessy Date: Sat, 4 Dec 2021 06:39:18 +0000 (+0900) Subject: Encore pseudoobscura X-Git-Url: https://source.charles.plessy.org/?a=commitdiff_plain;h=cbb584f3961126593126c6d812414ac4fa93a1ad;p=source.git Encore pseudoobscura --- diff --git a/biblio/14808171.mdwn b/biblio/14808171.mdwn new file mode 100644 index 00000000..4e21b8d5 --- /dev/null +++ b/biblio/14808171.mdwn @@ -0,0 +1,10 @@ +[[!meta title="Morphological differences between two sibling species; Drosophila pseudoobscura and Drosophila persimilis"]] +[[!tag Drosophila]] + +Rizki MT + +Proc Natl Acad Sci U S A. 1951 Mar;37(3):156-9. doi:10.1073/pnas.37.3.156 + +Morphological differences between two sibling species; _Drosophila pseudoobscura_ and _Drosophila persimilis_. + +[[!pmid 14808171 desc="The first morphological difference that distinguishes _D. persimilis_ from _D. pseudoobscura_: penis size."]] diff --git a/tags/Drosophila.mdwn b/tags/Drosophila.mdwn index 7f1fa583..43bf95af 100644 --- a/tags/Drosophila.mdwn +++ b/tags/Drosophila.mdwn @@ -2,6 +2,8 @@ ** Work in progress ** +### _pseudoobscura_ + Analysis of Cox2 sequences of _Drosophila_ species by [[Beckenbach, Wei and Liu (1993)|biblio/8393127]] are most compatible with a speciation of _D. melanogaster_ and _D. pseudoobscura_ ~35 My ago. Sequence divergence between @@ -18,6 +20,12 @@ describe them as a network of successive large-scale inversions. They also showed that the gene order of the X2 chromosome of _D. miranda_ is homologoues to the one of the hypothetical ancestor of chromosome 3 in _D. Pseudoobscura_. +"Race B" of _D. pseudoobscura_ is now called "D. persimilis". For some time +it was thought that there are no morphological differences, but it was +later found that the size of their penis differs ([[Rizki MT, 1951|biblio/14808171]]). + +### Other + The ITS2 sequence of Drosophila species diverged at the speed of 1.2 % per million year ([[Schlötterer and coll., 1994|biblio/8015444]]).