Cloning, mapping, and expression of two novel actin genes, actin-like-7A (ACTL7A) and actin-like-7B (ACTL7B), from the familial dysautonomia candidate region on 9q31.
Genomics
; 58(3): 302-9, 1999 Jun 15.
Article
in En
| MEDLINE
| ID: mdl-10373328
ABSTRACT
Two novel human actin-like genes, ACTL7A and ACTL7B, were identified by cDNA selection and direct genomic sequencing from the familial dysautonomia candidate region on 9q31. ACTL7A encodes a 435-amino-acid protein (predicted molecular mass 48.6 kDa) and ACTL7B encodes a 415-amino-acid protein (predicted molecular mass 45. 2 kDa) that show greater than 65% amino acid identity to each other. Genomic analysis revealed ACTL7A and ACTL7B to be intronless genes contained on a common 8-kb HindIII fragment in a "head-to-head" orientation. The murine homologues were cloned and mapped by linkage analysis to mouse chromosome 4 in a region of gene order conserved with human chromosome 9q31. No recombinants were observed between the two genes, indicating a close physical proximity in mouse. ACTL7A is expressed in a wide variety of adult tissues, while the ACTL7B message was detected only in the testis and, to a lesser extent, in the prostate. No coding sequence mutations, genomic rearrangements, or differences in expression were detected for either gene in familial dysautonomia patients.
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Collection:
01-internacional
Database:
MEDLINE
Main subject:
Chromosomes, Human, Pair 9
/
Dysautonomia, Familial
/
Actins
Limits:
Adult
/
Animals
/
Female
/
Humans
/
Male
Language:
En
Journal:
Genomics
Journal subject:
GENETICA
Year:
1999
Document type:
Article
Affiliation country: