ATP-driven membrane binding and polymerization of bacterial actin MreB promotes local membrane fluidization

Ingrid E. Adriaans, Ana Álvarez-Mena, Céline Dinet, Estelle Morvan, Kee Siang Lim, Erick J. Dufourc, Richard Wong, Arnaud Chastanet, Alphée Michelot, Rut Carballido-López, Birgit Habenstein · 2026

Read ATP-driven membrane binding and polymerization of bacterial actin MreB promotes local membrane fluidization by Ingrid E. Adriaans, Ana Álvarez-Mena, Céline Dinet, Estelle Morvan, Kee Siang Lim, Erick J. Dufourc, Richard Wong, Arnaud Chastanet, Alphée Michelot, Rut Carballido-López, Birgit Habenstein (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13507481.txt.

Description

Ingrid E. Adriaans and others show how ATP-driven skin binding and chaining of germ actin MreB loosens skins locally. In 2026, the study looks at MreB from Geobacillus stearothermophilus using one-way glow, fat bubble binding, atomic force scope work, and solid-state NMR. MreB threads direct rod cell shape by guiding cell wall making around the rim.

Two-charge ions proved needed for fuel-bit binding, and unlike higher-cell actin, MreB bound ATP and ADP with similar grip. Single units made edge charge skin contacts, while Mg-ATP-made threads sank into the bilayer without breaking its layered phase and clearly loosened local skin. Loosening could steer cell wall building enzymes, and even ATP and ADP grip may tune the chaining-ready pool.

Catalog record

CREATORIngrid E. Adriaans, Ana Álvarez-Mena, Céline Dinet, Estelle Morvan, Kee Siang Lim, Erick J. Dufourc, Richard Wong, Arnaud Chastanet, Alphée Michelot, Rut Carballido-López, Birgit Habenstein
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE54 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC13507481

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