New CRISPR genome editing system offers a wide range of versatility in human cells

A team has developed a new CRISPR genome-editing approach by combining two of the most important proteins in molecular biology — CRISPR-Cas9 and a reverse transcriptase — into a single machine.

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Preventing streptococci infections

Researchers have discovered an enzyme they believe could be key to preventing Group A Streptococcus infections that cause more than 500,000 deaths worldwide each year. The enzyme works through a novel mechanism of action that can also be found in other streptococcal species, increasing the impact and relevance of this finding.

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Sperm and egg cell 'immune response' protects koala DNA

Discovery of a type of immunity that protects koalas' DNA from viruses has importance for the survival of koalas and our fundamental understanding of evolution. A team of scientists are studying tissue samples from koalas to understand how a unique type of cell responds to retrovirus infections, which cause diseases such as chlamydia and cancer.

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