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Eight Is Better Than Four

PolITiGenomics points to a paper published in the Journal of the American Chemical Society by University of Toyama researchers, who have created the first DNA-like molecule made from entirely artificial bases. The Japanese scientists created four new bases and integrated them into a strand of DNA, resulting in and "unusually stable" structure that was both right-handed and could form into triple-stranded structures, says a release at Science Daily. "The unique chemistry of these structures and their high stability offer unprecedented possibilities for developing new biotech materials and applications," according to the researchers.

The Scan

Alzheimer's Risk Gene Among Women

CNN reports that researchers have found that variants in MGMT contribute to Alzheimer's disease risk among women but not men.

Still Hanging Around

The Guardian writes that persistent pockets of SARS-CoV-2 in the body could contribute to long COVID.

Through a Little Spit

Enteric viruses like norovirus may also be transmitted through saliva, not just the fecal-oral route, according to New Scientist.

Nature Papers Present Method to Detect Full Transcriptome, Viruses Infecting Asgard Archaea, More

In Nature this week: VASA-seq approach to detect full transcriptome, analysis of viruses infecting Asgard archaea, and more.