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.
German Team Finds Host Factors Needed For Flu Virus Replication
A group of German researchers used an RNA interference screen to find human host factors required for the replication of several influenza A viruses, including non-pandemic and pandemic H1N1 viruses and an H5N1 bird flu virus.
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