J. A. Schwartzman

Global diversity of enterococci and description of 18 novel species

This study identifies 18 new enterococcal species from global samples, revealing host associations and genetic diversity within the genus.

Chitin utilization by marine picocyanobacteria and the evolution of a planktonic lifestyle

This study shows marine picocyanobacteria utilize chitin, linking their planktonic lifestyle evolution to chitin degradation and ecological expansion.

Bacterial growth in multicellular aggregates leads to the emergence of complex lifecycles

This study shows that bacterial multicellular aggregates develop complex lifecycles through phenotypic differentiation driven by spatial gradients of nutrients, enhancing resilience under carbon limitation.

Ecological stochasticity and phage induction diversify bacterioplankton communities at the microscale

The paper investigates microscale microbial community dynamics on chitin particles, finding that stochastic processes and phage predation drive taxonomic and functional variability.

Dynamic metabolic exchanges between complementary bacterial types provide collaborative stress resistance

The paper studies metabolic interactions between bacterial species under acidification, showing how complementary metabolic strategies enable collaborative stress resistance and dynamic ecosystem behavior.

Hierarchical control of microbial community assembly

The paper shows specialized biopolymer degraders direct microbial community assembly through nutrient crossfeeding in a marine model system.

Regulatory involvement of the PerR and SloR metalloregulators in the Streptococcus mutans oxidative stress response

This study investigates the role of PerR and SloR metalloregulators in S. mutans oxidative stress response, showing their regulatory relationship and impact on antioxidant gene expression.

Public good exploitation in natural bacterioplankton communities

The paper develops a genomic approach to identify public good exploiters in marine microbial communities degrading chitin, showing their activity and potential impact on polysaccharide degradation.

Cooperation and spatial self-organization determine ecosystem function for polysaccharide-degrading bacteria

This study shows how bacterial cooperation and spatial self-organization affect polysaccharide degradation rates and efficiency in aquatic environments.