ArticleMethods in molecular biology (Clifton, N.J.)2022
Assessment of Respiratory Enzymes in Intact Cells by Permeabilization with Alamethicin.
Article in Methods in molecular biology (Clifton, N.J.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 2 citations in OpenAlex.
- Analysis of Mitochondrial Function, Structure, and Intracellular Organization In Situ in Cardiomyocytes and Skeletal Muscles.International journal of molecular sciences · 2022Review
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We here describe measurements of respiratory enzymes in situ, which can be done on very small cell samples and make mitochondrial isolation unnecessary. The method is based on the ability of the fungal peptide alamethicin to permeate biological membranes from the net positively charged side, and form nonspecific ion channels. These channels allow rapid transport of substrates and products across the plasma membrane, the inner mitochondrial membrane, and the inner plastid envelope. In this way, mitochondrial enzyme activities can be studied without disrupting the cells. The enzymes can be investigated in their natural proteinaceous environment and the activity of enzymes, also those sensitive to detergents or to dilution, can be quantified on a whole cell basis. We here present protocols for in situ measurement of two mitochondrial enzymatic activities: malate oxidation measured as oxygen consumption by the electron transport chain, which is sensitive to detergents, and NAD
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