Genetic Basis for Cyanobacteria Sunscreen Biosynthesis
Balskus and Walsh, Science
Emily Balskus and Christopher Walsh at Harvard Medical School describe the "genetic and molecular basis for sunscreen biosynthesis in cyanobacteria." They show that a mycosporine-like amino acid biosynthetic gene cluster generates four enzymes in vitro. "In addition to clarifying the origin of the MAAs, these efforts have revealed two unprecedented enzymatic strategies for imine formation," Balskus and Walsh write.
PacBio Developing Chip Technology for Highly Multiplexed 'V2' Sequencers; Launch Planned for 2014
Starting in 2014, PacBio plans to launch two FDA-certified systems that are based on the new technology: a high-throughput instrument that will be able to sequence a human genome with several-fold coverage in 15 minutes or less; and a sub-$50,000 point-of-care instrument that will be "the size of a copier" and have a lower throughput.
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