@article{hao_simple_2023,
	title = {A {Simple} {Sonication} {Method} to {Isolate} the {Chloroplast} {Lumen} in {Arabidopsis} thaliana},
	volume = {13},
	url = {https://bio-protocol.org/en/bpdetail?id=4756&type=0},
	doi = {10.21769/BioProtoc.4756},
	abstract = {The chloroplast lumen contains at least 80 proteins whose function and regulation are not yet fully understood. Isolating the chloroplast lumen enables the characterization of the lumenal proteins. The lumen can be isolated in several ways through thylakoid disruption using a Yeda press or sonication, or through thylakoid solubilization using a detergent. Here, we present a simple procedure to isolate thylakoid lumen by sonication using leaves of the plant Arabidopsis thaliana. The step-by-step procedure is as follows: thylakoids are isolated from chloroplasts, loosely associated thylakoid surface proteins from the stroma are removed, and the lumen fraction is collected in the supernatant following sonication and centrifugation. Compared to other procedures, this method is easy to implement and saves time, plant material, and cost. Lumenal proteins are obtained in high quantity and purity; however, some stromal membrane–associated proteins are released to the lumen fraction, so this method could be further adapted if needed by decreasing sonication power and/or time.},
	language = {en},
	number = {15},
	urldate = {2023-08-21},
	journal = {Bio-protocol},
	author = {Hao, Jingfang and Malnoë, Alizée},
	month = aug,
	year = {2023},
	pages = {4756},
}

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