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GEX1 compounds, novel antitumor antibiotics related to herboxidiene, produced by Streptomyces sp. I. Taxonomy, production, isolation, physicochemical properties and biological activities.
Six structurally related antitumor antibiotics named GEX1 compounds were isolated from a culture broth of Streptomyces sp. GEX1A was identified as a known herbicide, herboxidiene, structurally…
GE3, a novel hexadepsipeptide antitumor antibiotic, produced by Streptomyces sp. I. Taxonomy, production, isolation, physico-chemical properties, and biological activities.
GE3 was weakly active against some Gram-positive and Gram-negative bacteria and showed potent cytotoxicity against human tumor cell lines and exhibited antitumor activity against human pancreatic carcinoma, PSN-1, in vivo.
Effect of Aloe vera gel combined with basil (Ocimum basilicum L.) essential oil as a natural coating on maintaining post-harvest quality of peach (Prunus persica L.) during storage
- L. Mohammadi, H. Hassanzadeh Khankahdani, F. Tanaka
- Physics, ChemistryIOP Conference Series: Earth and Environmental…
- 17 December 2020
In this study, the effect of Aloe vera coating alone and combined with basil (Ocimum basilicum) essential oil at 500 and 1000 µL L-1 concentrations on postharvest quality of peach (Prunus persica L.)…
UCE6, a new antitumor antibiotic with topoisomerase I-mediated DNA cleavage activity produced by actinomycetes: producing organism, fermentation, isolation and biological activity.
- N. Fujii, F. Tanaka, Y. Yamashita, T. Ashizawa, S. Chiba, H. Nakano
- Biology, ChemistryThe Journal of antibiotics
- 25 June 1997
UCE6 exhibited growth inhibitory activity against HeLa S3, HCT116 and Lu-65 cells comparable to that of camptothecin and addition of silicone oil antifoam agent, KS69, to the fermentation enhanced the production of UCE6 by approximately 3 fold.
Effect of cultivation conditions on odor character and chemical profile of shiso (Perilla frutescens) flavor.
Flavor profiling and sensory evaluations were carried out on shiso leaves cultivated under various conditions. The growth stage, leaf position and cultivation environment (in a glasshouse or in a…
Biovolume of the phytoplankton in aquaculture tropical ponds
The aim of this research was to get limnological information about the situation commonly found in aquaculture ponds without inrerfering with the management, and to determine how the available sources of natural food, the potential sources of stress to the cultivated organisms and the potential impact of this activity on the receiving water bodies, are related to the phytoplankton biomass.
UCE6, a New Antitumor Antibiotic with Topoisomerase I‐Mediated DNA Cleavage Activity Produced by Actinomycetes: Producing Organism, Fermentation, Isolation and Biological Activity
Preparation of Activated Carbon from Holdfasts of Kelp, Large Brown Seaweed, Saccharina japonica
Dried kelp is one of the most important Japanese foods mainly used as base ingredient. Holdfasts, or rhizoids, of kelp are usually discarded, as rocks, shells, ropes and other contaminants are…