ArticleMethods in molecular biology (Clifton, N.J.)2022
Monitoring of ATG4 Protease Activity During Autophagy in the Model Microalga Chlamydomonas reinhardtii.
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. Not yet cited in PubMed.
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2 authors at 2 institutions in 1 country.
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Abstract
Deciphering the molecular mechanisms underlying the regulation of the ATG4 protease is essential to understand the regulation of ATG8 lipidation, a key step in the biogenesis of the autophagosome and hence in autophagy progression. Here, we describe two complementary approaches to monitor ATG4 proteolytic activity in the model green alga Chlamydomonas reinhardtii: an in vitro assay using recombinant ATG4 and recombinant ATG8 as substrate, and a cell-free assay using soluble total protein extract from Chlamydomonas and recombinant Chlamydomonas ATG8 as substrate. Both assays are followed by non-reducing SDS-PAGE and immuno-blot analysis. Given the high evolutionary conservation of the ATG8 maturation process, these assays have also been validated to monitor ATG4 activity in yeast using Chlamydomonas ATG8 as substrate.
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