Changes in species assemblages of intertidal foraminifera can be used to estimate the amount of earthquake-related subsidence during plate-boundary earthquakes at the Cascadia subduction zone. The accuracy and precision of foraminiferal methods in paleoenvironmental reconstruction is underpinned by the relations between contemporary taxa and their environment, which are used to calibrate fossil...

Eight species of Scytodes Latreille, 1804 are newly described: Scytodes iara sp. nov. and S. caure sp. nov. from Amazonas; S. mapinguari sp. nov. from Amazonas and Roraima; S. curupira sp. nov. from Amazonas and Rondônia; S. saci sp. nov. from Roraima; and S. jurupari sp. nov., S. tinkuan sp. nov. and S. caipora sp. nov. from Acre. In addition, the female of S. altamira Rheims & Brescovit, 2000...

The catalytic base in family 48 glycosyl hydrolases has not been previously established experimentally. Based on structural and modeling data published to date, we used site-directed mutagenesis and azide rescue activity assays to show definitively that the catalytic base in Thermobifida fusca Cel48A is aspartic acid 225. Of the tested mutants, only Cel48A with the D225E mutation retained parti...

Chemical and biological investigations of the endophytic fungus of an unidentified Ascomycete, isolated from Meliotus dentatus led to the isolation of six known polyketide metabolites (1–6) and two steroids (7 and 8). Compounds 1–3, and 5 were tested for antibacterial, antialgal and antifungal activities. Compounds 2, 3, and 5 showed good activity against the alga Chlorella fusca, while compoun...