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Combinations of antibiotics and of antibiotics with non-antibiotic activity-enhancing compounds offer a productive strategy to address the widespread emergence of antibiotic-resistant strains. In this Review, Tyers and Wright outline a theoretical and practical framework for the development of effective drug combinations.
Methane metabolism has a central role in the global carbon cycle. In the Review, Tyson and colleagues discuss the enzymatic pathways responsible for archaeal methane metabolism and highlight the evolutionary relationships of key enzymes with recently discovered alkane-oxidizing archaea.
