A β-Amino Acid Containing Tripeptide from a Pseudomonas−Alteromonas Bacterium Associated with a Black Sea Sponge

A β-Amino Acid Containing Tripeptide from a <i>Pseudomonas</i><i>−</i><i>Alteromonas</i> Bacterium Associated with a Black Sea Sponge Dysibetaine: a new α,α-disubstituted α-amino acid derivative from the marine sponge Dysidea herbacea Pseudomonic acid derivatives from a marine bacterium Novel Betaines from the Marine Sponge <i>Agelas dispar</i> Novel Betaines from the Marine Sponge <i>Agelas dispar</i> Cyclic tetrapeptides from marine bacteria associated with the seaweed Diginea sp. and the sponge Halisarca ectofibrosa A New Diketopiperazine Derivative from the South China Sea Sponge<i>Dysidea</i><i>fragilis</i> Metabolites from an Antarctic Sponge-Associated Bacterium,<i> Pseudomonas aeruginosa</i> Pseudoalteropeptide A, a novel lipopeptide from the marine bacterium Pseudoalteromonas piscicida SWA4_PA4 isolated from marine seaweed Two novel alkaloids from the South China Sea marine sponge Dysidea sp.