Ascaris hemoglobin gene: plant-like structure reflects the ancestral globin gene.
Proc Natl Acad Sci U S A
; 89(24): 11696-700, 1992 Dec 15.
Article
en En
| MEDLINE
| ID: mdl-1465385
ABSTRACT
Animal globin genes have two introns at strictly conserved positions, while plant globin genes have both of these as well as an additional, central intron. It has been proposed that a common ancestor gene had three introns, one of which was subsequently lost from animal but not plant globin genes. We have elucidated the cDNA sequence and gene structure of a hemoglobin from the parasitic nematode Ascaris suum and found a plant-like central intron, providing strong evidence for a three-intron ancestor of modern globin genes.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Ascaris
/
Globinas
Límite:
Animals
Idioma:
En
Revista:
Proc Natl Acad Sci U S A
Año:
1992
Tipo del documento:
Article