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Optogenetic tools for inducing organelle membrane rupture.

Nagashima Y, Eguchi T, Koyama-Honda I, Mizushima N
J Biol Chem. 2025 Mar 18;301(4):108421. doi: 10.1016/j.jbc.2025.108421. (Link opens in a new window) PubMed (Link opens in a new window) Article

Plasmids from Article

ID Plasmid Purpose
228939pMRX-IP-EGFP-PA-BAX(lyso)Stable expression of EGFP-LOV2(G528A, N538E)-BAX-TMEM106B in mammalian cells. Photoactivatable BAX localizes on lysosomal membrane and induces lysosomal rupture upon blue light stimulation.
228941pMRX-IP-EGFP-PA-BAX(ER)Stable expression of EGFP-LOV2(N538E)-BAX-Cyb5a in mammalian cells. Photoactivatable BAX localizes on ER and induces ER rupture upon blue light stimulation.
228942pMRX-IP-EGFP-PA-BAX(mito)Stable expression of EGFP-LOV2(N538E)-BAX-OMP25 in mammalian cells. Photoactivatable BAX localizes on the outer mitochondrial membrane and induces mitochondrial rupture upon blue light stimulation.
233343pMRX-IP-EGFP-PA-BAX(mito, G108V)Stable expression of EGFP-LOV2(N538E)-BAX(G108V)-OMP25 in mammalian cells. The G108V mutation suppresses pore-forming activity of BAX.
233345pMRX-IP-EGFP-PA-BAX(lyso, G108V)Stable expression of EGFP-LOV2(G528A, N538E)-BAX-TMEM106B in mammalian cells. The G108V mutation suppresses pore-forming activity of BAX.
233346pMRX-IP-EGFP-LOV2-OMP25Stable expression of EGFP-LOV2(N538E)-OMP25 in mammalian cells. This construct lacks BAX domain, and causes no rupture upon photostimulation.
233347pMRX-IP-EGFP-LOV2-TMEM106BStable expression of EGFP-LOV2(G528A, N538E)-TMEM106B in mammalian cells. This construct lacks BAX domain, and causes no rupture upon photostimulation.
233348pMRX-IP-EGFP-LOV2-Cyb5aStable expression of EGFP-LOV2(N538E)-Cyb5a in mammalian cells. This construct lacks BAX domain, and causes no rupture upon photostimulation.
233349pMRX-IZ-SEC61B-mCherry-FRBStable expression of SEC61B-mCherry-FRB in mammalian cells. FRB localizes in the ER lumen.
233350pMRX-IB-FKBP-HaloTagStable expression of FKBP-Halotag in mammalian cells. FKBP-halotag localizes in the cytosol and binds to the FRB tag in the presence of AP21967 (A/C Heterodimerizer).

Antibodies from Article