In this study, we investigate the potential of Moricandia arvensis methanol leaf extract (MeOHL) on calpain activity, melanin biosynthesis and DNA mutagenicity. Cytotoxic effect and measurement of reactive oxygen species (ROS) induced by lucigenin in colorectal cells (BE) were also determined. In addition the chemical analysis of the extract was also studied and the chemical profile illustrates...

Lipase biosynthesis optimization, Aspergillus niger ADM 110, Gamma radiation Objectives: The present study describes the isolation, identification and screening of fugal isolates for the biosynthesis of extracellular lipase enzyme. Methodology: Thirteen fungal cultures were isolated from cotton seeds, waste cake of cotton seed oil and spent bleaching earth, samples by serial dilution method. Al...

The development of green approaches for the biosynthesis of silver nanoparticles (AgNPs) is of prime significance in the field of nanotechnology research. A fast and eco-friendly protocol for the biosynthesis of extracellular AgNPs using culture supernatant (CS) from the fungus Cunninghamella phaeospora was studied in this work. This CS was proved as a potential new source for the extracellular...

Siderophore biosynthesis by the highly lethal mould Aspergillus fumigatus is essential for virulence, but non-existent in humans, presenting a rare opportunity to strategize therapeutically against this pathogen. We have previously demonstrated that A. fumigatus excretes fusarinine C and triacetylfusarinine C to capture extracellular iron, and uses ferricrocin for hyphal iron storage. Here, we ...

Abstract Monascus pigments (MPs) with different color characteristics, produced by submerged fermentation of purpureus M9, have potential application in food industry. In the present study, effects and regulatory mechanisms ammonium nitrate (AN) on characteristics MPs were investigated. The concentration intracellular was significantly decreased when subjected to AN. hue lightness value indicat...

INTRODUCTION Intervertebral disc (IVD) degeneration is known to affect millions of individuals every year but mechanisms involved in IVD degeneration are not fully understood [1]. Cellular biosynthesis of extracellular matrix, which is important for maintaining the integrity of tissue and preventing tissue degeneration, is an energy demanding process. Adenosine triphosphate (ATP), the major ene...

This review describes and discusses the structure, biosynthesis applications of exopolysaccharides from lactic acid bacteria. These substances are classified as homopolysaccharides, which synthesised sucrose through action extracellular glycosyltransferases or heteropolysaccharides, repeating unit precursors formed in cytoplasm assembled extracellularly by sequential addition nucleotide sugars....

Dempsey, Walter B. (University of Florida, Gainesville). Control of pyridoxine biosynthesis in Escherichia coli J. Bacteriol. 90:431-437. 1965.-The total pyridoxine in a culture of exponentially growing Escherichia coli was 3.6 x 10(-10) moles per mg of dry cells. One-fourth of this total was present in the medium, and was at least 90% pyridoxal 5'-phosphate. Both pyridoxol and pyridoxal, when ...