Related Experiment Videos
Isolation of a genomic clone encoding the rat histone variant, H1d
K D Cole1, J C Kandala, E Kremer
1Department of Chemistry, University of South Carolina, Columbia 29208.
Gene
|May 14, 1990
Summary
Researchers identified a specific H1 histone variant in rats. This study sequenced a rat gene encoding an H1 histone variant and confirmed its identity as H1d through in vitro protein synthesis and analysis.
Area of Science:
- Molecular Biology
- Genetics
- Histone Biology
Background:
- Mammals possess a family of five closely related H1 histone variants (H1a-e), along with less related forms H10 and H1t.
- H1 histones are crucial for chromatin structure and gene regulation.
Purpose of the Study:
- To sequence a rat genomic clone encoding a standard H1 histone variant.
- To identify the specific H1 variant encoded by the sequenced gene.
Main Methods:
- Sequencing of a rat genomic clone.
- In vitro transcription using bacteriophage SP6 RNA polymerase.
- Cell-free translation of the synthesized RNA.
- Electrophoretic mobility analysis of the synthesized protein.
Main Results:
- A rat genomic clone encoding an H1 histone variant was successfully sequenced.
- In vitro transcription and translation produced a protein product.
- The synthesized protein was identified as the H1d variant based on its electrophoretic mobility.
Conclusions:
- The study successfully identified and characterized a gene for the H1d histone variant in rats.
- This work contributes to the understanding of the H1 histone family diversity in mammals.