Prenostodione, a Novel UV-Absorbing Metabolite from a Natural Bloom of the Cyanobacterium Nostoc Species

Prenostodione, a Novel UV-Absorbing Metabolite from a Natural Bloom of the Cyanobacterium <i>Nostoc</i> Species Nostocyclyne A, a Novel Antimicrobial Cyclophane from the Cyanobacterium <i>Nostoc</i> sp. Novel Violet Pigment, Nostocine A, an Extracellular Metabolite from Cyanobacterium Nostoc spongiaeforme New Antibacterial Metabolites from the Cyanobacterium <i>Nostoc </i><i>c</i><i>ommune </i>(EAWAG 122b) Modified peptides from a water bloom of the cyanobacterium Nostoc sp. Nostotrebin 6 Related Cyclopentenediones and δ-Lactones with Broad Activity Spectrum Isolated from the Cultivation Medium of the Cyanobacterium <i>Nostoc</i> sp. CBT1153 A Novel Extracellular Diterpenoid with Antibacterial Activity from the Cyanobacterium <i>Nostoc commune</i> Cybastacines A and B: Antibiotic Sesterterpenes from a <i>Nostoc</i> sp. Cyanobacterium Cybastacines A and B: Antibiotic Sesterterpenes from a <i>Nostoc</i> sp. Cyanobacterium Production of High Amounts of Hepatotoxin Nodularin and New Protease Inhibitors Pseudospumigins by the Brazilian Benthic Nostoc sp. CENA543