期刊
CELLS
卷 10, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/cells10010160
关键词
fusogen; SNARE; FAST; atlastin; spanin; myomaker; myomerger; membrane fusion
类别
Membrane fusion, from lifeless viral particles to complex multicellular organisms, is a crucial biological phenomenon with protein mediators called fusogens at its core. Despite their functional independence and lack of sequence identity, fusogens share structural similarity, suggesting a potential common mechanism for membrane fusion. This review focuses on the structural characteristics of small-molecular-weight fusogens, aiming to uncover the fundamental aspects of membrane-membrane interactions and pave the way for future research on novel fusogens in health and disease.
From lifeless viral particles to complex multicellular organisms, membrane fusion is inarguably the important fundamental biological phenomena. Sitting at the heart of membrane fusion are protein mediators known as fusogens. Despite the extensive functional and structural characterization of these proteins in recent years, scientists are still grappling with the fundamental mechanisms underlying membrane fusion. From an evolutionary perspective, fusogens follow divergent evolutionary principles in that they are functionally independent and do not share any sequence identity; however, they possess structural similarity, raising the possibility that membrane fusion is mediated by essential motifs ubiquitous to all. In this review, we particularly emphasize structural characteristics of small-molecular-weight fusogens in the hope of uncovering the most fundamental aspects mediating membrane-membrane interactions. By identifying and elucidating fusion-dependent functional domains, this review paves the way for future research exploring novel fusogens in health and disease.
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