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Cepheid Xpert GBS LB XC and Xpert Xpress MVP

Cepheid has launched its Xpert GBS LB XC test to qualitatively detect Group B Streptococcus (GBS) from enriched Lim broth cultures of patient samples. The new assay builds on Cepheid's previous Xpert GBS LB test launched in 2012 by adding another target. The new molecular test includes dual targets in highly conserved regions of the GBS genome to improve coverage and performance, Cepheid said in a statement. The test can provide positive results in 27 minutes and negative results in 43 minutes.

Cepheid has also launched its Xpert Xpress MVP test, a multiplexed PCR test to detect DNA from organisms associated with bacterial vaginosis, vulvovaginal candidiasis, and trichomoniasis from a single vaginal swab sample. The test returns results in an hour and runs on Cepheid's GeneXpert systems.

The Scan

ChatGPT Does As Well As Humans Answering Genetics Questions, Study Finds

Researchers in the European Journal of Human Genetics had ChatGPT answer genetics-related questions, finding it was about 68 percent accurate, but sometimes gave different answers to the same question.

Sequencing Analysis Examines Gene Regulatory Networks of Honeybee Soldier, Forager Brains

Researchers in Nature Ecology & Evolution find gene regulatory network differences between soldiers and foragers, suggesting bees can take on either role.

Analysis of Ashkenazi Jewish Cohort Uncovers New Genetic Loci Linked to Alzheimer's Disease

The study in Alzheimer's & Dementia highlighted known genes, but also novel ones with biological ties to Alzheimer's disease.

Tara Pacific Expedition Project Team Finds High Diversity Within Coral Reef Microbiome

In papers appearing in Nature Communications and elsewhere, the team reports on findings from the two-year excursion examining coral reefs.