Studies on Aspergillus Proteinase. IV. : Hydrolysis of Protein by Semi-Alkaline Proteinase from Aspergillus melleus Studies on Enzymes. XLII

Studies on Aspergillus Section Flavi from Peanut in Iran

During 2010 and 2011, Aspergillus species from section Flavi were isolated from rhizosphere in main peanut-growing region of Iran, Astaneh-e Ashrafiyeh, Guilan Province (northern Iran). The soil samples were taken from fruiting zone of peanuts in 3 districts and 10 locations, during the pod-filling period. The populations of Aspergillus section Flavi showed significant differences in cfu g-1 am...

Elastinolytic Serine Proteinase from Aspergillus flavus

Regulation of proteinase activity in Aspergillus nidulans.

1976) which is a defective in killer toxin secretion and in secretion of mature a-factor (T. Achstetter & D. H. Wolf, unpublished work). With the aid of the two model substrates, Cbz-Tyr-Lys and Cbz-Tyr-Lys-Arg, we also found carboxypeptidase activity in the membrane fraction, which is able to remove the two amino acids lysine and arginine and may thus be involved in further processing of the a...

Serum stimulates growth of and proteinase secretion by Aspergillus fumigatus.

Serum contains iron-binding proteins, which inhibit the growth of most pathogenic microorganisms, including fungi. The purpose of this research was to investigate the effect of serum on growth of the opportunistic fungal pathogen Aspergillus fumigatus. Supplementing minimal essential medium (MEM) with up to 80% human serum or up to 80% fetal bovine serum (FBS) stimulated growth and increased th...

Comparative Studies on the Interaction of Proteinase-K with Nano-CuO and Copper Ions

The interaction of copper oxide nanoparticles and copper ions and proteinase K from Tritirachium album Limber has been investigated employing UV spectroscopy and kinetics measurements. The aim of this study was to evaluate the effect of nanoparticles of CuO for proteinase K. In this paper we compare the effect of copper oxide nanoparticles with the effect of copper ions on proteinase K sta...