Microsomes are vesicles derived from the endoplasmic reticulum (ER) when cells are broken down in the lab. These microsomes are a valuable tool to study a variety of ER functions such as protein and lipid synthesis in vitro. Here we describe a protocol to isolate ER-derived microsomes Arabidopsis thaliana seedlings and exemplify the use of these purified microsomes in enzyme assays with the auxin precursors tryptophan (Trp) or indole-3-pyruvic acid (IPyA) to quantify auxin synthetic capacity in microsomal and cytosolic fractions.
CITATION STYLE
Kriechbaumer, V. (2018). ER microsome preparation in Arabidopsis thaliana. In Methods in Molecular Biology (Vol. 1691, pp. 117–123). Humana Press Inc. https://doi.org/10.1007/978-1-4939-7389-7_9
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