Literature covered: early 2000s to late 2017 Bacteria frequently exchange metabolites with
other micro-and macro-organisms. In these often obligate cross-feeding interactions, primary …

Whether a small cell, a small genome or a minimal set of chemical reactions with self-
replicating properties, simplicity is beguiling. As Leonardo da Vinci reportedly said,'simplicity …

Background The growing importance of the ubiquitous fungal genus Trichoderma
(Hypocreales, Ascomycota) requires understanding of its biology and evolution. Many …

The marine cyanobacterium Prochlorococcus is the smallest and most abundant
photosynthetic organism on Earth. In this Review, we summarize our understanding of the …

Since 2006, numerous cases of bacterial symbionts with extraordinarily small genomes
have been reported. These organisms represent independent lineages from diverse …

Reductive genomic evolution, driven by genetic drift, is common in endosymbiotic bacteria.
Genome reduction is less common in free-living organisms, but it has occurred in the …

SAR11 is a group of small, carbon-oxidizing bacteria that reach a global estimated
population size of 2.4× 1028 cells—approximately 25% of all plankton. They are found …

Extensive genomic diversity within coexisting members of a microbial species has been
revealed through selected cultured isolates and metagenomic assemblies. Yet, the cell-by …

Bacteria in the 16S rRNA clade SAR86 are among the most abundant uncultivated
constituents of microbial assemblages in the surface ocean for which little genomic …

The SAR11 clade consists of very small, heterotrophic marine α-proteobacteria that are
found throughout the oceans, where they account for about 25% of all microbial cells …