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Prokaryotic Cytoskeletons

Overview of attention for book
Attention for Chapter 8: Bacterial Actins
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1 tweeter


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7 Mendeley
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Chapter title
Bacterial Actins
Chapter number 8
Book title
Prokaryotic Cytoskeletons
Published in
Sub cellular biochemistry, May 2017
DOI 10.1007/978-3-319-53047-5_8
Pubmed ID
Book ISBNs
978-3-31-953045-1, 978-3-31-953047-5

Izoré, Fusinita van den Ent, Thierry Izoré, Izoré, Thierry, Ent, Fusinita


Jan Löwe, Linda A. Amos


A diverse set of protein polymers, structurally related to actin filaments contributes to the organization of bacterial cells as cytomotive or cytoskeletal filaments. This chapter describes actin homologs encoded by bacterial chromosomes. MamK filaments, unique to magnetotactic bacteria, help establishing magnetic biological compasses by interacting with magnetosomes. Magnetosomes are intracellular membrane invaginations containing biomineralized crystals of iron oxide that are positioned by MamK along the long-axis of the cell. FtsA is widespread across bacteria and it is one of the earliest components of the divisome to arrive at midcell, where it anchors the cell division machinery to the membrane. FtsA binds directly to FtsZ filaments and to the membrane through its C-terminus. FtsA shows altered domain architecture when compared to the canonical actin fold. FtsA's subdomain 1C replaces subdomain 1B of other members of the actin family and is located on the opposite side of the molecule. Nevertheless, when FtsA assembles into protofilaments, the protofilament structure is preserved, as subdomain 1C replaces subdomain IB of the following subunit in a canonical actin filament. MreB has an essential role in shape-maintenance of most rod-shaped bacteria. Unusually, MreB filaments assemble from two protofilaments in a flat and antiparallel arrangement. This non-polar architecture implies that both MreB filament ends are structurally identical. MreB filaments bind directly to membranes where they interact with both cytosolic and membrane proteins, thereby forming a key component of the elongasome. MreB filaments in cells are short and dynamic, moving around the long axis of rod-shaped cells, sensing curvature of the membrane and being implicated in peptidoglycan synthesis.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 7 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 7 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 4 57%
Researcher 1 14%
Student > Doctoral Student 1 14%
Student > Master 1 14%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 4 57%
Agricultural and Biological Sciences 1 14%
Physics and Astronomy 1 14%
Chemistry 1 14%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 23 May 2019.
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