Company: Sigma-Aldrich
Catalog#: 43819
Product evaluation:
Isolation of Latex Bead Phagosomes from Dictyostelium for in vitro Functional Assays
[Abstract]  We describe a protocol to purify latex bead phagosomes (LBPs) from Dictyostelium cells. These can be later used for various in vitro functional assays. For instance, we use these LBPs to understand the microtubule motor-driven transport on in vitro polymerized microtubules. Phagosomes are allowed to mature for defined periods inside cells before extraction for in vitro motility. These assays allow us to probe how lipids on the phagosome membrane recruit and ...

Protein Extraction from Drosophila Embryos and Ovaries
[Abstract]  Here we provide the description of protocols to efficiently obtain protein extracts from embryos and ovaries of Drosophila melanogaster. These protocols are routinely applied in our laboratory and are based on two techniques: either embryos or ovaries are homogenized using a pestle and then the soluble proteins separated by centrifugation, or embryos are individually lysed by needle manipulation. The latter technique allows the use of small embryo numbers and the selection of specific ...

Gradient Flotation Centrifugation of Chloroplast Membranes
[Abstract]  Plastoglobules are lipoprotein particles physically attached to thylakoids in chloroplasts (Kessler et al., 1999). They are mainly composed of polar lipid, neutral lipids, and proteins (Vidi et al., 2006). Here we used simple sucrose gradient flotation centrifugation method to purify the plastoglobules from total chloroplast membranes (Vidi et al., 2007, Shanmugabalaji et al., 2013).

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