Adenovirus E1A gene autorepression: revertants of an E1A promoter mutation encode altered E1A proteins
Journal Article
·
· Proc. Natl. Acad. Sci. U.S.A.; (United States)
Revertants have been isolated from Ad3hr15, a mutant of human adenovirus type 3 that carries a defective E1A promoter. Transcription of these revertant E1A genes is restored - from nil for Ad3hr15 mutant to levels exceeding that of the wild-type virus. The mutant Ad3hr15 virus and the revertants all have an aberrant E1A promoter that contains two short tandem duplications of viral DNA sequence. The E1A gene-coding region of the mutant is the same as that for wild-type adenovirus type 3, whereas the revertants are characterized by short in-frame deletions within the 5' exon region of their E1A genes. Location of these reverting, second-site deletions is discussed in relation to E1A gene autoregulation and the evolved diversity of E1A-related oncogenic potential among different human adenoviruses.
- Research Organization:
- Vanderbilt Univ. School of Medicine, Nashville, TN (USA)
- OSTI ID:
- 6218582
- Journal Information:
- Proc. Natl. Acad. Sci. U.S.A.; (United States), Journal Name: Proc. Natl. Acad. Sci. U.S.A.; (United States) Vol. 84:23; ISSN PNASA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550201* -- Biochemistry-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
ADENOVIRUS
AUTORADIOGRAPHY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
DNA
DNA SEQUENCING
ELECTROPHORESIS
GENE REGULATION
GENE REPRESSORS
HELA CELLS
ISOTOPES
LIGHT NUCLEI
MICROORGANISMS
MUTANTS
NUCLEI
NUCLEIC ACIDS
NUCLEOPROTEINS
NUCLEOTIDES
ODD-ODD NUCLEI
ONCOGENIC VIRUSES
ORGANIC COMPOUNDS
PARASITES
PHOSPHORUS 32
PHOSPHORUS ISOTOPES
PROTEINS
RADIOISOTOPES
REVERTANTS
STRUCTURAL CHEMICAL ANALYSIS
TRANSCRIPTION
VIRUSES
59 BASIC BIOLOGICAL SCIENCES
ADENOVIRUS
AUTORADIOGRAPHY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
DNA
DNA SEQUENCING
ELECTROPHORESIS
GENE REGULATION
GENE REPRESSORS
HELA CELLS
ISOTOPES
LIGHT NUCLEI
MICROORGANISMS
MUTANTS
NUCLEI
NUCLEIC ACIDS
NUCLEOPROTEINS
NUCLEOTIDES
ODD-ODD NUCLEI
ONCOGENIC VIRUSES
ORGANIC COMPOUNDS
PARASITES
PHOSPHORUS 32
PHOSPHORUS ISOTOPES
PROTEINS
RADIOISOTOPES
REVERTANTS
STRUCTURAL CHEMICAL ANALYSIS
TRANSCRIPTION
VIRUSES