Chromosomal organization and transcriptional regulation of human GEM and localization of the human and mouse GEM loci encoding an inducible Ras-like protein.
The mitogen-induced gene, GEM, encodes a GTP-binding protein that belongs to a new family within the Ras superfamily. The regulated expression pattern of Gem suggests a role for this protein in cellular responses to growth stimulation. To facilitate the assessment of the possible role of GEM in heritable and spontaneous disease processes, the genomic organization of human GEM and the chromosomal localization of human and murine GEM have been determined. GEM has been localized to the long arm of human chromosome 8 (8q13-q21) between the D8S85 and CA2 loci by genetic linkage analysis using an MspI restriction fragment length polymorphism within GEM. No consistent somatic chromosomal alterations or heritable diseases are associated with this region. Mouse Gem maps to the proximal region of chromosome 4 between Mos and Cga. To gain insight into the transcriptional regulation of GEM, we have established the transcriptional initiation site of GEM in human T cells and defined a 5' upstream region sufficient for mitogen-responsive, inducible transcription.
Santoro
T
T
Laboratory of Pathology, National Cancer Institute, Bethesda, Maryland 20892, USA.
Maguire
J
J
McBride
O W
OW
Avraham
K B
KB
Copeland
N G
NG
Jenkins
N A
NA
Kelly
K
K
D000818:Animals; D001483:Base Sequence; D002874:Chromosome Mapping; D002875:Chromosomes; D017931:DNA Primers; D005260:Female; D019204:GTP-Binding Proteins / Q000235:genetics*; D015870:Gene Expression; D006801:Humans; D017874:Immediate-Early Proteins / Q000235:genetics*; D051379:Mice; D008810:Mice, Inbred C57BL; D008969:Molecular Sequence Data; D020559:Monomeric GTP-Binding Proteins; D016160:Retinoblastoma Protein / Q000235:genetics; D012689:Sequence Homology, Nucleic Acid; D014158:Transcription, Genetic
D017931:DNA Primers; D017874:Immediate-Early Proteins; D016160:Retinoblastoma Protein; D019204:GTP-Binding Proteins; C490245:GEM protein, human; C088119:Gem protein, mouse; D020559:Monomeric GTP-Binding Proteins