We evaluated the abundance of microbial functional groups involved in compost fertility, and the chemical parameters of maturity and quality most commonly analyzed in compost products. We employed compost produced using the same hydrolytic stage and two maturation processes (with and without earthworms) and with different organic wastes. Our aim was to propose a valid tool for measuring the qua...

In order to mimic the human metabolic pathway of cyclosporin A (CyA) a total of 28 bacterial and 72 fungal strains was screened for their ability to transform CyA. Among 3 bacteria and 11 fungi, which produced the main human metabolite OL-17 [eta HyMeBmt1]CyA, Actinoplanes sp. (ATCC 53771) achieved the best transformation rate (5.4%). Furthermore, the two N-demethylated minor products [Leu4]CyA...

Leptomycin B (LMB), a secondary metabolite produced by Streptomyces sp. strain ATS 1287, with known antifungal and antitumor effects, inhibits the nucleo-cytoplasmic translocation of the human immunodeficiency virus type 1 regulatory protein Rev and exhibits significant antiproliferative activity. Since LMB itself turned out to be distinctly cytotoxic, a bioconversion screening with a selected ...

Article history: Received on: 25/07/2014 Revised on: 18/08/2014 Accepted on: 09/09/2014 Available online: 30/10/2014 Microbial exopolysaccharides (EPS) are considered as natural bio-thickeners abundantly used in dairy and fermented food industries for quality improvement. In fermentation based dairy industries, researchers are seeking their attention on substitution of artificial food stabilize...

13 Supercritical water treatment (380ºC/100MPa/8s) was applied to extractives-14 free oil palm trunk and sapwood portion of Japanese beech and their fractionated 15 products were comparatively characterized, for water-soluble portion and water-16 insoluble portion composed of methanol-soluble portion and methanol-insoluble 17 residue. As a result, the water-soluble portion was determined to be ...

Biological activated carbon (BAC) filtration is an effective technology for the removal of natural organic matter. However, one potential drawback BAC, especially old that effluents can contain soluble microbial products released from biofilm, which are recognized as more toxic nitrogenous DBPs (N-DBPs) precursors. So far, limited studies reported risk DBP formation potentials (FPs) increase ca...

The current study investigated the performance of a moving bed biofilm reactor (MBBR), when adding 3D-printed biocarriers fabricated with 13X and bentonite (MBBR 3D), using K1 commercial K1) not at all (control MBBR). For evaluation MBBR efficiency, various physicochemical parameters were measured, while extracted from was evaluated. findings suggest that there is an optimal biodegradation orga...

Abstract The effects of pure oxygen aeration on compositional characteristics soluble microbial products (SMP) and extracellular polymeric substances (EPS) the activated sludge acclimated in a sequential batch reactor (SBR) were explored mode. structure would change with different methods or rates. proportion SMP most aerated was less than 10%, while that air as high 30–40%. TB-EPS decreased fr...