| investigation of oscillatoria spongeliae-dominated bacterial communities in four dictyoceratid sponges. | certain species of marine sponges in the order dictyoceratida harbor large populations of the cyanobacterial symbiont oscillatoria spongeliae in the mesohyl (interior) of the sponge. we show that in four of these sponge species (lamellodysidea herbacea, lamellodysidea chlorea, lendenfeldia chondrodes, and phyllospongia papyracea) from palau there is a consistent community of alpha-proteobacteria in addition to o. spongeliae that fall within the rhodobacter group based on 16s rrna gene analysis. ... | 2005 | 16269779 |
| additional scalarane sesterterpenes from the sponge phyllospongia papyracea. | a chemical investigation of the marine sponge phyllospongia papyracea, collected in papua new guinea, initiated by the screening result of a beta-catenin/tcf4 disruption assay afforded six new bishomoscalarane sesterterpenes containing two rare scalaranes with a cyclobutane ring in the molecule, together with one known scalarane sesterterpene. the structures of the new compounds were elucidated by 1d and 2d spectroscopic techniques. the compounds isolated in this study did not show activity agai ... | 2007 | 17455979 |