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Analysis of microbial cell and virus abundance estimates from 25 distinct marine surveys reveals that virus-to-microbial cell ratio decreases with microbial cell density, questioning the idea that viral abundance is always 10-fold higher.
Whole genomes of 185 atypical enteropathogenic Escherichia coli (aEPEC) isolates reveal 30 LEE (locus of enterocyte effacement) subtypes in 3 major lineages, varying in insertion site preference and their complement of non-LEE encoded effector genes.
Comparative genomics of 70 lethal, non-lethal symptomatic and asymptomatic enteropathogenic Escherichia coli (EPEC) isolates identifies the virulence-associated genes that are significantly more prevalent in symptomatic and lethal infections.
Tetrahydropyrazo[1,5-a]pyrimidine-3-carboxamide (THPP) targets the essential non-catalytic enoyl-CoA hydratase homologue EchA6 of Mycobacterium tuberculosis, and not MmpL3 as previously thought.
Bacterial symbionts in natural populations of the stinkbug Plautia stali are undergoing an evolutionary transition from a free-living lifestyle in the environment to obligate mutualism.
Natural populations of Saccharomyces paradoxus in which rapid evolution of chromosome architecture and contact between nascent species drove the formation of a new species through homoploid hybrid speciation.
Genome-wide 3ʹ-end mapping shows that Bacillus subtilis terminators that depend on NusA have weak hairpins and/or distal U-tract interruptions, suggesting NusA is directly involved in the termination mechanism.
