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The Loop Might Hold the Answer

Researchers at Tsinghua University in Beijing have looked at how miRNAs recognize their target mRNAs. In a study published today in PLoS ONE, they examined the effect of the loop region in miRNA/miRNA recognizing element (MRE) duplexes, and found that the central loop is an important factor affecting the efficiency of gene regulation. From their studies, they created a predictive score that would rate the loop's effectiveness according to both its size and location, and found that by using these, their MRE predictions improved.

The Scan

Gone, But Now Reconstructed SARS-CoV-2 Genomes

In a preprint, a researcher describes his recovery of viral sequences that had been removed from a common database.

Rare Heart Inflammation Warning

The Food and Drug Administration is adding a warning about links between a rare inflammatory heart condition and two SARS-CoV-2 vaccines, Reuters reports.

Sandwich Sampling

The New York Times sent tuna sandwiches for PCR analysis.

Nature Papers Describe Gut Viruses, New Format for Storing Quantitative Genomic Data, More

In Nature this week: catalog of DNA viruses of the human gut microbiome, new dense depth data dump format to store quantitative genomic data, and more.