The WH2 domain and actin nucleation: necessary but insufficient

R Dominguez - Trends in biochemical sciences, 2016 - cell.com
Two types of sequences, proline-rich domains (PRDs) and the WASP-homology 2 (WH2)
domain, are found in most actin filament nucleation and elongation factors discovered thus …

Tropomodulins: pointed‐end capping proteins that regulate actin filament architecture in diverse cell types

S Yamashiro, DS Gokhin, S Kimura, RB Nowak… - …, 2012 - Wiley Online Library
Tropomodulins are a family of four proteins (Tmods 1–4) that cap the pointed ends of actin
filaments in actin cytoskeletal structures in a developmentally regulated and tissue‐specific …

[HTML][HTML] Leiomodin-3 dysfunction results in thin filament disorganization and nemaline myopathy

M Yuen, SA Sandaradura, JJ Dowling… - The Journal of …, 2014 - Am Soc Clin Investig
Nemaline myopathy (NM) is a genetic muscle disorder characterized by muscle dysfunction
and electron-dense protein accumulations (nemaline bodies) in myofibers. Pathogenic …

[HTML][HTML] Tropomodulins and leiomodins: actin pointed end caps and nucleators in muscles

VM Fowler, R Dominguez - Biophysical journal, 2017 - cell.com
Cytoskeletal structures characterized by actin filaments with uniform lengths, including the
thin filaments of striated muscles and the spectrin-based membrane skeleton, use barbed …

Knockout of Lmod2 results in shorter thin filaments followed by dilated cardiomyopathy and juvenile lethality

CT Pappas, RM Mayfield… - Proceedings of the …, 2015 - National Acad Sciences
Leiomodin 2 (Lmod2) is an actin-binding protein that has been implicated in the regulation
of striated muscle thin filament assembly; its physiological function has yet to be studied. We …

Assembly and maintenance of myofibrils in striated muscle

JW Sanger, J Wang, Y Fan, J White, L Mi-Mi… - The Actin …, 2017 - Springer
In this chapter, we present the current knowledge on de novo assembly, growth, and
dynamics of striated myofibrils, the functional architectural elements developed in skeletal …

[HTML][HTML] Cofilin-2 controls actin filament length in muscle sarcomeres

E Kremneva, MH Makkonen… - Developmental cell, 2014 - cell.com
ADF/cofilins drive cytoskeletal dynamics by promoting the disassembly of" aged" ADP-actin
filaments. Mammals express several ADF/cofilin isoforms, but their specific biochemical …

A nemaline myopathy–linked mutation inhibits the actin-regulatory functions of tropomodulin and leiomodin

LE Schultz, M Colpan, GE Smith Jr… - Proceedings of the …, 2023 - National Acad Sciences
Actin is a highly expressed protein in eukaryotic cells and is essential for numerous cellular
processes. In particular, efficient striated muscle contraction is dependent upon the precise …

[HTML][HTML] The mechanisms of thin filament assembly and length regulation in muscles

S Szikora, P Görög, J Mihály - International journal of molecular sciences, 2022 - mdpi.com
The actin containing tropomyosin and troponin decorated thin filaments form one of the
crucial components of the contractile apparatus in muscles. The thin filaments are organized …

[HTML][HTML] How Leiomodin and Tropomodulin use a common fold for different actin assembly functions

M Boczkowska, G Rebowski, E Kremneva… - Nature …, 2015 - nature.com
How proteins sharing a common fold have evolved different functions is a fundamental
question in biology. Tropomodulins (Tmods) are prototypical actin filament pointed-end …