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Titel: Beyond uniformity: Exploring the heterogeneous and dynamic nature of the microtubule lattice
VerfasserIn: Romeiro Motta, Mariana
Biswas, Subham
Aradilla Zapata, Laura
Sprache: Englisch
Titel: European journal of cell biology
Bandnummer: 102
Heft: 4
Verlag/Plattform: Elsevier
Erscheinungsjahr: 2023
Freie Schlagwörter: Microtubule lattice
Lattice self-repair
Lattice dynamics
Mechanical stress
Microtubule acetylation
Microtubule-associated proteins (MAPs)
DDC-Sachgruppe: 500 Naturwissenschaften
Dokumenttyp: Journalartikel / Zeitschriftenartikel
Abstract: A fair amount of research on microtubules since their discovery in 1963 has focused on their dynamic tips. In contrast, the microtubule lattice was long believed to be highly regular and static, and consequently received far less attention. Yet, as it turned out, the microtubule lattice is neither as regular, nor as static as previously believed: structural studies uncovered the remarkable wealth of different conformations the lattice can accommodate. In the last decade, the microtubule lattice was shown to be labile and to spontaneously undergo renovation, a phenomenon that is intimately linked to structural defects and was called "microtubule self-repair". Following this breakthrough discovery, further recent research provided a deeper understanding of the lattice self-repair mechanism, which we review here. Instrumental to these discoveries were in vitro microtubule reconstitution assays, in which microtubules are grown from the minimal components required for their dynamics. In this review, we propose a shift from the term "lattice self-repair" to "lattice dynamics", since this phenomenon is an inherent property of microtubules and can happen without microtubule damage. We focus on how in vitro microtubule reconstitution assays helped us learn (1) which types of structural variations microtubules display, (2) how these structural variations influence lattice dynamics and microtubule damage caused by mechanical stress, (3) how lattice dynamics impact tip dynamics, and (4) how microtubule-associated proteins (MAPs) can play a role in structuring the lattice. Finally, we discuss the unanswered questions about lattice dynamics and how technical advances will help us tackle these questions.
DOI der Erstveröffentlichung: 10.1016/j.ejcb.2023.151370
URL der Erstveröffentlichung: https://www.sciencedirect.com/science/article/pii/S0171933523000857
Link zu diesem Datensatz: urn:nbn:de:bsz:291--ds-435504
hdl:20.500.11880/39027
http://dx.doi.org/10.22028/D291-43550
ISSN: 1618-1298
0171-9335
Datum des Eintrags: 25-Nov-2024
Fakultät: NT - Naturwissenschaftlich- Technische Fakultät
Fachrichtung: NT - Pharmazie
Professur: NT - Keiner Professur zugeordnet
Sammlung:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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Diese Ressource wurde unter folgender Copyright-Bestimmung veröffentlicht: Lizenz von Creative Commons Creative Commons