ArticleExtremophiles : life under extreme conditions2014
Haloarcula marismortui archaellin genes as ecoparalogs.
Article in Extremophiles : life under extreme conditions, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Two types of sheathed archaellum structures from Haloarcula marismortui differ in their outer layer architectures.Nature communications · 2026Article
- Archaella Isolation.Methods in molecular biology (Clifton, N.J.) · 2023Article
- Towards Elucidating the Rotary Mechanism of the Archaellum Machinery.Frontiers in microbiology · 2022Review
- Review
- A comprehensive history of motility and Archaellation in Archaea.FEMS microbes · 2021Article
- Interaction of two strongly divergent archaellins stabilizes the structure of the Halorubrum archaellum.MicrobiologyOpen · 2020Article
- Salt-dependent regulation of archaellins in Haloarcula marismortui.MicrobiologyOpen · 2019Article
- Structural disorder of plasmid-encoded proteins in Bacteria and Archaea.BMC bioinformatics · 2018Article
- Cross-kymography analysis to simultaneously quantify the function and morphology of the archaellum.Biophysics and physicobiology · 2018Review
- How Common Is Disorder? Occurrence of Disordered Residues in Four Domains of Life.International journal of molecular sciences · 2015Article
- The archaellum: how Archaea swim.Frontiers in microbiology · 2015Article
- Getting a hold on archaeal type IV pili: an expanding repertoire of cellular appendages implicates complex regulation and diverse functions.Frontiers in microbiology · 2015Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The genome of haloarchaeon Haloarcula marismortui contains two archaellin genes-flaA2 and flaB. Earlier we isolated and characterized two H. marismortui strains in that archaella consisting of FlaA2 archaellin (with a minor FlaB fraction) or of FlaB only. Both the FlaA2 and FlaB strains were motile and produced functional helical archaella. Thus, it may seem that the FlaA2 archaellin is redundant. In this study we investigated the biological roles of archaellin redundancy and demonstrated that FlaA2 archaellin is better adapted to more severe conditions of high temperature/low salinity, while FlaB has an advantage with increasing salinity. We used the thermodynamic data and bioinformatics sequence analysis to demonstrate that archaella formed by FlaA2 are more stable than those formed by FlaB. Our combined data indicate that the monomer FlaA2 archaellin is more flexible and leads to more compact and stable formation of filamentous structures. The difference in response to environmental stress indicates that FlaA2 and FlaB replace each other under different environmental conditions and can be considered as ecoparalogs.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.