From: Charles Plessy Date: Wed, 28 Aug 2019 06:38:01 +0000 (+0900) Subject: Hemichordates X-Git-Url: https://source.charles.plessy.org/?a=commitdiff_plain;h=c61985c4ec5a7b780117726cca357751c4fc409f;p=setup%2F.git Hemichordates --- diff --git a/biblio/9799263.mdwn b/biblio/9799263.mdwn new file mode 100644 index 00000000..d6d24519 --- /dev/null +++ b/biblio/9799263.mdwn @@ -0,0 +1,10 @@ +[[!meta title="The mitochondrial genome of the hemichordate Balanoglossus carnosus and the evolution of deuterostome mitochondria."]] +[[!tag mitochondrion hemichordate]] + +Genetics. 1998 Nov;150(3):1115-23. + +Castresana J, Feldmaier-Fuchs G, Yokobori S, Satoh N, Pääbo S. + +The mitochondrial genome of the hemichordate Balanoglossus carnosus and the evolution of deuterostome mitochondria. + +[[!pmid 9799263 desc="AGA encodes Ser, AGG is absent, ATA encodes Ile, AAA is absent. “…out of the 69 ATA hemichordate codons, 20 occur in positions where Ile is conserved in >55% of the sequences (eight of these positions have Ile in >90% of the sequences), while none of them occur at positions where Met is conserved. Of the 19 AGA codons, 6 occur at positions where Ser is conserved in >55% of the sequences (3 of them with Ser in >90% of the sequences), whereas they are never used as stop codons.”"]] diff --git a/tags/mitochondrion.mdwn b/tags/mitochondrion.mdwn index 8f318f34..a523aac3 100644 --- a/tags/mitochondrion.mdwn +++ b/tags/mitochondrion.mdwn @@ -17,7 +17,7 @@ https://en.wikipedia.org/wiki/Ascidian_mitochondrial_code ATA and TGA are likely to code for M and W like in vertebtates. [[Durrheim and coll. |biblio/8393993]] also translated that way, but did not report it explicitely. - - [[Delarbre and coll, 1997|biblio/9254918]] proposed an AGR -> Gly + - [[Delarbre and coll, 1997|biblio/9254918]] proposed an AGR → Gly reassignment in amphioxus, based on a AGG/GGG polymorphism, and [[Spruyt and coll, 1998|biblio/9628930]] found a putative TCT (Gly) tRNA in the mitochondrial genome of the amphioxus (in which they also show @@ -30,9 +30,19 @@ https://en.wikipedia.org/wiki/Ascidian_mitochondrial_code - Sequence of a thaliacean (_Doliolum nationalis_) mitochondrial genome suggests they also decode AGR as glycine ([[Yokobori, Oshima and Wada, 2005|biblio/15619441]]). - - Another case, unrelated, of reassignment to glycin is know: UGA -> Gly in + - Another case, unrelated, of reassignment to glycin is know: UGA → Gly in SR1 bacteria ([[Campbell and coll, 2013|biblio/23509275]]). + - In the hemichordate _Balanoglossus carnosus_ ([[Castresana and coll., + 1998|biblio/9799263]]): ATA → Ile, AGA → Ser, AGG → ø and AAA → ø. +``` + AGA AGG ATA AAA TGA +Vertebrates * * M K W +Tunicates G G M K W +Cephalochordates +Hemichordates S ø I ø W +Echinoderms S S I N W +``` ### Genes