Volume 10 Issue 1
Feb.  2024
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Shen Wang, Cong Ma. A practical guide for fast implementation of SNARE-mediated liposome fusion. Biophysics Reports, 2024, 10(1): 31-40. doi: 10.52601/bpr.2023.230017
Citation: Shen Wang, Cong Ma. A practical guide for fast implementation of SNARE-mediated liposome fusion. Biophysics Reports, 2024, 10(1): 31-40. doi: 10.52601/bpr.2023.230017

A practical guide for fast implementation of SNARE-mediated liposome fusion

doi: 10.52601/bpr.2023.230017
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  • Corresponding author: cong.ma@hust.edu.cn (C. Ma)
  • Received Date: 08 October 2023
  • Accepted Date: 28 December 2023
  • Available Online: 26 February 2024
  • Publish Date: 29 February 2024
  • Soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNAER) family proteins are the engines of most intra-cellular and exocytotic membrane fusion pathways (Jahn and Scheller 2006). Over the past two decades, in-vitro liposome fusion has been proven to be a powerful tool to reconstruct physiological SNARE-mediated membrane fusion processes (Liu et al. 2017). The reconstitution of the membrane fusion process not only provides direct evidence of the capability of the cognate SNARE complex in driving membrane fusion but also allows researchers to study the functional mechanisms of regulatory proteins in related pathways (Wickner and Rizo 2017). Heretofore, a variety of delicate methods for in-vitro SNARE-mediated liposome fusion have been established (Bao et al. 2018; Diao et al. 2012; Duzgunes 2003; Gong et al. 2015; Heo et al. 2021; Kiessling et al. 2015; Kreye et al. 2008; Kyoung et al. 2013; Liu et al. 2017; Scott et al. 2003). Although technological advances have made reconstitution more physiologically relevant, increasingly elaborate experimental procedures, instruments, and data processing algorithms nevertheless hinder the non-experts from setting up basic SNARE-mediated liposome fusion assays. Here, we describe a low-cost, timesaving, and easy-to-handle protocol to set up a foundational in-vitro SNARE-mediated liposome fusion assay based on our previous publications (Liu et al. 2023; Wang and Ma 2022). The protocol can be readily adapted to assess various types of SNARE-mediated membrane fusion and the actions of fusion regulators by using appropriate alternative additives (e.g., proteins, macromolecules, chemicals, etc.). The total time required for one round of the assay is typically two days and could be extremely compressed into one day.

  • Shen Wang and Cong Ma declare that they have no conflict of interest.
    This article does not contain any studies with human or animal subjects performed by any of the authors.

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