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Construction and primary characterization of Echinococcus multilocularis protoscolex cDNA expression library.
1Institute of Infectious and Parasitic Diseases, Chongqing University of Medical Science, Chongqing 400016, China.
Chinese Medical Journal
|January 10, 2002
Summary
A new Echinococcus multilocularis cDNA expression library was created from Chinese protoscolex isolates. This library contains approximately one million clones and will aid further research into the parasite.
Area of Science:
- Parasitology
- Molecular Biology
- Genomics
Background:
- Echinococcus multilocularis is a significant human and animal pathogen.
- Understanding its molecular biology is crucial for developing control strategies.
- A robust cDNA expression library is essential for gene discovery and functional studies.
Purpose of the Study:
- To construct a lambda gt11 cDNA expression library from Echinococcus multilocularis protoscolex.
- To facilitate molecular research and gene identification in Echinococcus multilocularis.
Main Methods:
- Extraction of protoscolex mRNA using a modified Quickprep MicromRNA purification kit.
- Reverse transcription of mRNA and synthesis of double-strand cDNA.
- Ligation of cDNA to lambda gt11 vector and in vitro packaging, followed by screening in E. coli Y1090.
Main Results:
- Successful construction of a lambda gt11 cDNA expression library with a high recombinant ratio (nearly 100%).
- The library comprises approximately 1 x 10^6 clones.
- PCR analysis confirmed insertion DNA fragments of approximately 1.48 kb.
Conclusions:
- A comprehensive lambda gt11 cDNA expression library of Echinococcus multilocularis has been established.
- This library represents a valuable resource for future investigations into Echinococcus multilocularis.
- Further research utilizing this library is warranted for advancing our understanding of the parasite.