The aerial parts of SOLIDAGO DRUMMONDII afforded in addition to known compounds like germacrene D and beta-caryophyllene, eight alicyclic diterpenes all derived from geranylgeraniol. The main constituent was also isolated from S. RACEMOSA and S. FLEXICAULIS. The structures were elucidated by highfield (1)H-NMR spectroscopy.
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http://dx.doi.org/10.1055/s-2007-969570 | DOI Listing |
New dolabellanes {6-methoxy-dolabella-8(17),12-diene-10,18-diol (), 3-methoxy-dolabella-12(18)-ene-4-ol (), 3-methoxy-dolabella-10,18(19)-diene-5,8-diol ()} and dolastanes {2,7-dimethoxy-14-hydroxy-dolasta-1(15),9-diene () and 4,7-dimethoxy-9,14-dihydroxy-dolasta-1-ene ()} were identified from brown seaweed (family Dictyotaceae), collected from the southeast coast of India. Compounds - were found to possess dolabellane skeleton with [9.3.
View Article and Find Full Text PDFInt J Syst Evol Microbiol
May 2018
Unidad de Saneamiento y Biotecnología Ambiental (USBA), Departamento de Biología, Pontificia Universidad Javeriana, POB 56710, Bogotá DC, Colombia.
Three morphologically similar thermo-acidophilic strains, USBA-GBX-501, USBA-GBX-502 and USBA-GBX-503, were isolated from acidic thermal springs at the National Natural Park Los Nevados (Colombia). All isolates were spore-forming, Gram-stain-positive and motile, growing aerobically at 25-55 °C (optimum ~45 °C) and at pH 1.5-4.
View Article and Find Full Text PDFBlakiella bartsiifolia (S.F. Blake), an endemic and rare high altitude plant of the northern Andes, appears well adapted to the prevailing harsh environment owing in part to a thick glandular trichome cover.
View Article and Find Full Text PDFInt J Syst Evol Microbiol
February 2015
Department of Applied Biology and Chemistry, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan.
A novel, moderately thermophilic, acidophilic, Gram-variable, rod-shaped, endospore-forming bacterium was isolated from a spoiled mixed vegetable and fruit juice product that had the off-flavour of guaiacol. The bacterium, strain 4F(T), grew aerobically at 20-50 °C (optimum 40 °C) and pH 3.0-6.
View Article and Find Full Text PDFInt J Syst Evol Microbiol
August 2014
The Institute of Low Temperature Science, Hokkaido University, Sapporo, Hokkaido, Japan.
A novel thermophilic, facultatively anaerobic bacterium, strain skLN1(T), was isolated from the sediment of a freshwater lake in Japan. Cells of strain skLN1(T) were rod-shaped and Gram-stain-variable. A KOH lysis test suggested that the cell wall of the isolate has a Gram-positive structure.
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