Exagen will pay Cypress up to $8 million in upfront and milestone payments as well as additional royalty payments for the business.
Under the deal, Marina will receive $750,000 up front, and stands to be paid as much as $27 million in milestones.
The firm offers its Avise PG test as a service for physicians making decisions about methotrexate therapy.
Cypress will pay up to $5 million for the technology, which it plans to use for diagnosis and therapeutic monitoring of lupus patients.
The New York Times profiles 23andMe's Anne Wojcicki and describes how she bounced back from a bad year.
Fotis Kafatos, the founding president of the European Research Council, has died, according to the Associated Press.
In PLOS this week: genomic analysis of honeybee disease, microRNA profiles of people with lupus nephritis, and more.
The Verge's Angela Chen tried out a gene test for fitness advice, but didn't learn much new information.