During transcription of mRNA in eukaryotes, some sequences are cut out of the primary transcript and the remaining sequences are joined together. this processing of mRNA is called Splicing.
What are mRNA vaccines?
- Vaccines help prevent infection by preparing the body to fight off foreign invaders (such as bacteria, viruses, and other pathogens).
- All vaccines introduce a harmless portion of a specific bacterium or virus into the body and trigger an immune response.
- Most vaccines contain weakened or killed bacteria or viruses.
- But scientists have developed a new type of vaccine that uses molecules called messenger RNA (mRNA) instead of parts of the actual bacteria or viruses.
- Messenger RNA is a type of RNA that is required for protein production.
- In cells, mRNA uses the genetic information to create the blueprints for making proteins.
- The mRNA is degraded as soon as the cell finishes making the protein.
- The mRNA from the vaccine does not enter the cell nucleus and does not modify the DNA.
Learn More about mRNA vaccines here:
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