Assembly-line polyketide synthases (PKSs) are among the most complex protein
machineries known in nature, responsible for the biosynthesis of numerous compounds …

Microcystis is a cyanobacterium that forms toxic blooms in freshwater ecosystems around
the world. Biological variation among taxa within the genus is apparent through genetic and …

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 …

The prokaryotic marine cyanobacteria continue to be an important source of structurally
bioactive secondary metabolites. A majority of these molecules are nitrogen-containing …

The c group of Gram-negative gliding bacteria, has a long history of cosmopolitan
occurrence. It has great biodiversity despite the absence of sexual reproduction. This wide …

Covering: bacterial genome sequences to 2005 and post-genomic literature to June 2006 A
total of 223 complete bacterial genomes are analyzed, with 281 citations, for the presence of …

Oceanic phytoplankton species have highly efficient mechanisms of iron acquisition, as they
can take up iron from environments in which it is present at subnanomolar concentrations. In …

Azaspiracids (AZA) are polyether marine toxins that accumulate in various shellfish species
and have been associated with severe gastrointestinal human intoxications since 1995. This …

Abstract Background The colonial cyanobacterium Microcystis proliferates in a wide range of
freshwater ecosystems and is exposed to changing environmental factors during its life …

Cyanobacteria are considered a promising source for new pharmaceutical lead compounds
and a large number of chemically diverse and bioactive metabolites have been obtained …