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Section: Genetics » Regulation of Gene Expression » Mechanisms in Eukaryotes
 
 
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  Gene battery
 
     
 
Content
⇒ Regulation of Gene Expression 3. A Variety of Mechanisms in Eukaryotes
⇒ Regulation at Transcription Level
⇒ Activation of transcription
⇒ Britten-Davidson model for unit of transcription
⇒ Gene battery
⇒ Chromosomal proteins and gene expression
⇒ Repression of transcription 
⇒ Specific DNA sequences controlling transcription
⇒ Transgenic plants to study regulatory sequences
⇒ Modification of DNA sequences and their transcripts in gene expression
⇒ Alternative splicing of transcripts
⇒ Regulation at translation level
⇒ Activation and repression of translation
⇒ Masked mRNA in eggs of sea urchin and Xenopus
⇒ Regulation by gene re-arrangement
⇒ Expression of immunoglobulin genes
⇒ Yeast mating type switching
⇒ Trypanosome surface antigen (VSG) switching
⇒ Synthesis of mRNA in pieces in VSG genes in trypanosome
⇒ Regulation by reversible phosphorylation
⇒ Signal transduction and second messengers
⇒ Proteins and peptide hormones and gene expression
⇒ Steroid hormones and gene expression
⇒ Interferon stimulated gene expression (without a second messenger)
⇒ Cell surface receptors in cholesterol metabolism and drug production
⇒ Ubiquitin protein and regulation of heat shock genes
Gene battery
In Britten-Davidson model, a set of structural genes controlled by one sensor site is termed a battery. Sometimes, when major changes are needed, it is necessary to activate several sets of genes. If one sensor site is associated with several integrators, it may cause transcription of all integrators at the same time thus causing transcription of several producer genes through receptor sites. The repetition of integrator and receptor sequences is consistent with the knowledge that sufficient repeated DNA occurs in eukaryotes.


 
     






     
     
 
 
     
 
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