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Group A streptococcus

The firm sells a rapid, point-of-care, PCR platform for infectious disease diagnostics, including SARS-CoV-2, influenza, respiratory syncytial virus, and strep A.

The firm said its test fits in the palm of a hand and delivers results in 30 minutes by detecting bacterial nucleic acid in throat, nasal, or nasopharyngeal swabs.

Credo Diagnostics recently received the CE mark for the coronavirus test, which can provide results in 20 minutes.

Researchers identified Streptococcus pyogenes isolates from a lineage dubbed M1UK that are predicted to produce higher-than-usual levels of a scarlet fever-associated toxin.

The firm aims to stabilize and protect its existing molecular diagnostics business over the next 12 to 18 months, CEO Jack Kenny said.

Despite the diversity detected in Group A Streptococcus strains from more than 20 countries, investigators narrowed in on broadly shared sequences with relatively low variation.

The test detects Group A Strep in throat swab samples using the firm's rapid molecular diagnostics instrument called Revogene.

The test can detect resistance to two of the most commonly prescribed antibiotics used to treat strep throat, and could potentially be adapted for point-of-care use.

In Nature this week: protein-coding variants associated with body-fat distribution, and more.

Researchers used genomic, transcriptomic, and virulence data on thousands of Streptococcus pyogenes strains to identify features influencing infections.

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A survey by Nature finds that most researchers want scientific meetings to continue virtually or with a virtual component, even after the pandemic ends.

Bloomberg reports that the B.1.351 SARS-CoV-2 viral variant could prompt the formulation of better vaccines.

Certain blood proteins may be able to distinguish COVID-19 patients who will become critically ill from those who will not, the Atlanta Journal-Constitution reports.

In Genome Biology this week: algorithm to assess regulatory features, approach to integrate multiple single-cell RNA-seq datasets, and more.