Related Experiment Videos
[A novel rabbit endothelin B receptor gene: cloning and sequence analysis]
1State Key Laboratory of Biological Control, Zhongshan Unviversity, Guangzhou.
Sheng Wu Gong Cheng Xue Bao = Chinese Journal of Biotechnology
|November 4, 2000
Summary
Researchers cloned and sequenced the rabbit ETB receptor (rETBR) cDNA, identifying its full coding sequence and structural characteristics. This work provides a foundation for understanding ETB receptor function in mammals.
Area of Science:
- Molecular Biology
- Biochemistry
Context:
- Endothelin (ET) is a potent vasoconstrictor implicated in various diseases.
- The ETB receptor (ETBR) plays a crucial role in ET signaling pathways.
Purpose:
- To clone and characterize the rabbit ETB receptor (rETBR) cDNA.
- To analyze the structural features of the rETBR.
Summary:
- A 394 bp DNA fragment of the human ETB receptor gene (hETBR) was used to design primers for PCR amplification.
- Rabbit lung cDNA library screening identified 11 positive clones, with three containing the complete rabbit ETB receptor (rETBR) cDNA.
- The constructed recombinant plasmid, pBlu Script-rETBR, contains 1326 bp of rETBR coding sequence.
- The deduced amino acid sequence reveals a mature rETBR of 423 residues with seven putative transmembrane domains, similar to G protein-coupled receptors.
Impact:
- Provides a complete cDNA sequence for the rabbit ETB receptor.
- Enables further studies on ETBR function and its role in physiological and pathological processes.
- Contributes to the understanding of G protein-coupled receptor structure and function.