1225 Sampling Manifold
Company: EMD Millipore
Catalog#: XX2702550
Product evaluation:
Uptake Assay for Radiolabeled Peptides in Yeast
[Abstract]  We describe an assay for measuring the uptake of radioactive peptides into the yeast Saccharomyces cerevisiae. The methods presented here can be adapted to measure a variety of substrates transported into any bacterial or fungal cell via specific carrier-mediated systems.

59Fe Uptake Assays in Paracoccidioides Species
[Abstract]  Iron is an essential micronutrient required for virtually all organisms. This fact is related to the ability of the transition metal to exist in two oxidation states, the reduced ferrous (Fe2+) and the oxidized ferric (Fe3+). Given the relative availability of aqueous iron (the element which constitutes ~5% of the earth’s crust) one is not surprised that iron is the most common prosthetic element in biology. Usually, fungi can uptake iron through receptor-mediated ...

Lysosomal Amino Acid Efflux Assay
[Abstract]  As the cellular “recycling” organelle, lysosomes break down proteins into amino acids, which are then transported into cytosol for reuse by various amino acid transporters. The transport rate of an amino acid is presumably regulated by cellular conditions such as organelle pH, membrane potential and metabolic states. Because of their intracellular localization and the relative inaccessibility, lysosomal amino acid transporters have been studied largely via indirect measurements. Using lysosome ...

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