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The Archaeal Roots of the Eukaryotic Dynamic Actin Cytoskeleton

Stairs, Courtney W. LU orcid and Ettema, Thijs J.G. (2020) In Current Biology 30(10). p.521-526
Abstract

It is generally well accepted that eukaryotes evolved from the symbiosis of an archaeal host cell and an alphaproteobacterium, a union that ultimately gave rise to the complex, eukaryotic cells we see today. However, the catalyst of this merger, the exact nature of the cellular biology of either partner, or how this event spawned the vast majority of complex life on Earth remains enigmatic. In recent years, the discovery of the Asgard archaea, the closest known prokaryotic relatives of eukaryotes, has been monumental for addressing these unanswered questions. These prokaryotes seem to encode an unprecedented number of genes related to features typically descriptive of eukaryotes, including intracellular trafficking, vesicular transport... (More)

It is generally well accepted that eukaryotes evolved from the symbiosis of an archaeal host cell and an alphaproteobacterium, a union that ultimately gave rise to the complex, eukaryotic cells we see today. However, the catalyst of this merger, the exact nature of the cellular biology of either partner, or how this event spawned the vast majority of complex life on Earth remains enigmatic. In recent years, the discovery of the Asgard archaea, the closest known prokaryotic relatives of eukaryotes, has been monumental for addressing these unanswered questions. These prokaryotes seem to encode an unprecedented number of genes related to features typically descriptive of eukaryotes, including intracellular trafficking, vesicular transport and a dynamic actin-based cytoskeleton. Collectively, these features imply that the Asgard archaea have the potential for cellular complexity previously thought to be unique to eukaryotes. Here, we review the most recent advances in our understanding of the archaeal cytoskeleton and its implications for determining the origin of eukaryotic cellular complexity. The transition from prokaryotic to eukaryotic cells represents a cornerstone event in the evolution of life on Earth. The actin cytoskeleton is one of many key features of eukaryotic cells. Here, Stairs and Ettema review the most recent advances in our understanding of the archaeal cytoskeleton and its implications for the origins of eukaryotes.

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publishing date
type
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publication status
published
in
Current Biology
volume
30
issue
10
pages
521 - 526
publisher
Elsevier
external identifiers
  • pmid:32428493
  • scopus:85084561748
ISSN
0960-9822
DOI
10.1016/j.cub.2020.02.074
language
English
LU publication?
no
id
c9bce1f9-ef20-4288-af55-3750f458fb8f
date added to LUP
2020-10-23 10:46:45
date last changed
2024-06-26 23:28:11
@article{c9bce1f9-ef20-4288-af55-3750f458fb8f,
  abstract     = {{<p>It is generally well accepted that eukaryotes evolved from the symbiosis of an archaeal host cell and an alphaproteobacterium, a union that ultimately gave rise to the complex, eukaryotic cells we see today. However, the catalyst of this merger, the exact nature of the cellular biology of either partner, or how this event spawned the vast majority of complex life on Earth remains enigmatic. In recent years, the discovery of the Asgard archaea, the closest known prokaryotic relatives of eukaryotes, has been monumental for addressing these unanswered questions. These prokaryotes seem to encode an unprecedented number of genes related to features typically descriptive of eukaryotes, including intracellular trafficking, vesicular transport and a dynamic actin-based cytoskeleton. Collectively, these features imply that the Asgard archaea have the potential for cellular complexity previously thought to be unique to eukaryotes. Here, we review the most recent advances in our understanding of the archaeal cytoskeleton and its implications for determining the origin of eukaryotic cellular complexity. The transition from prokaryotic to eukaryotic cells represents a cornerstone event in the evolution of life on Earth. The actin cytoskeleton is one of many key features of eukaryotic cells. Here, Stairs and Ettema review the most recent advances in our understanding of the archaeal cytoskeleton and its implications for the origins of eukaryotes.</p>}},
  author       = {{Stairs, Courtney W. and Ettema, Thijs J.G.}},
  issn         = {{0960-9822}},
  language     = {{eng}},
  month        = {{05}},
  number       = {{10}},
  pages        = {{521--526}},
  publisher    = {{Elsevier}},
  series       = {{Current Biology}},
  title        = {{The Archaeal Roots of the Eukaryotic Dynamic Actin Cytoskeleton}},
  url          = {{http://dx.doi.org/10.1016/j.cub.2020.02.074}},
  doi          = {{10.1016/j.cub.2020.02.074}},
  volume       = {{30}},
  year         = {{2020}},
}