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Twist Bioscience Synthetic SARS-CoV-2 RNA Controls

Twist Bioscience has made two synthetic SARS-CoV-2 RNA controls available for use in quality control in the development and validation of next-generation sequencing- and reverse-transcription PCR-based tests.

The sequence-verified controls are designed to cover the full viral genome of two specific virus variants: MN908947.3, considered the reference genome, isolated from a patient in Wuhan, China, and MT007544.1, isolated from a patient in Australia.

Twist noted that customers purchasing synthetic controls are subject to the firm's biosecurity screening protocols.

The Scan

Pig Organ Transplants Considered

The Wall Street Journal reports that the US Food and Drug Administration may soon allow clinical trials that involve transplanting pig organs into humans.

'Poo-Bank' Proposal

Harvard Medical School researchers suggest people should bank stool samples when they are young to transplant when they later develop age-related diseases.

Spurred to Develop Again

New Scientist reports that researchers may have uncovered why about 60 percent of in vitro fertilization embryos stop developing.

Science Papers Examine Breast Milk Cell Populations, Cerebral Cortex Cellular Diversity, Micronesia Population History

In Science this week: unique cell populations found within breast milk, 100 transcriptionally distinct cell populations uncovered in the cerebral cortex, and more.