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The method, called jagged end analysis by sequencing and developed by a team in Hong Kong, relies on DNA end repair with methylated or unmethylated cytosine.
In PLOS this week: "dual-seq" transcriptomic analysis of bacterial cultures, genetic diversity among Hantaviridae, and more.
The Project Screen initiative aims to provide the Hong Kong community with home access to the World Health Organization-approved RT-PCR test for SARS-CoV-2 at zero profit to its organizers.
In PNAS this week: extrachromosomal circular DNA in pregnant women's blood plasma, mutation accumulation limited by tissue compartment size, and more.
A team led by researchers at the Chinese University of Hong Kong found that extrachromosomal circular DNA of fetal origin is smaller than that of maternal origin.
Take2 Health plans to launch an nasopharyngeal carcinoma early detection test in the next several months in Hong Kong and southern China.
Take2 was founded by Chinese University of Hong Kong researchers and will commercialize a cell-free DNA test for early cancer detection.
In PNAS this week: whole genome and population genetic analysis of two aspen species, signatures of circulating hepatocellular carcinoma tumor DNA, and more.
Investigators, led by Hong Kong researcher and Grail collaborator Dennis Lo, described a cancer detection strategy using cleavage patterns in circulating DNA molecules.
The NGS-based test improves on a previous PCR-based version and detects circulating DNA from Epstein Barr virus that is shed from cancer cells.
Novavax has begun a phase III trial of its SARS-CoV-2 vaccine, according to the New York Times.
Vox reports that the Trump Administration may limit student visas for individuals from some countries to two years.
The governor of New York says the state will conduct its own review of any SARS-CoV-2 vaccine, NPR reports.
This week in Science: Neanderthal Y chromosomes replaced by Homo sapiens Y chromosomes, and more.