Computational Exploration of Putative LuxR Solos in Archaea and Their Functional Implications in Quorum Sensing

LuxR solos are unexplored in Archaea, despite their vital role in the bacterial regulatory network. They assist bacteria in perceiving acyl homoserine lactones (AHLs) and/or non-AHLs signaling molecules for establishing intraspecies, interspecies, and interkingdom communication. In this study, we ex...

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Main Authors: Akanksha Rajput, Manoj Kumar
Format: Article
Language:English
Published: Frontiers Media S.A. 2017-05-01
Series:Frontiers in Microbiology
Subjects:
Online Access:http://journal.frontiersin.org/article/10.3389/fmicb.2017.00798/full
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author Akanksha Rajput
Manoj Kumar
author_facet Akanksha Rajput
Manoj Kumar
author_sort Akanksha Rajput
collection DOAJ
description LuxR solos are unexplored in Archaea, despite their vital role in the bacterial regulatory network. They assist bacteria in perceiving acyl homoserine lactones (AHLs) and/or non-AHLs signaling molecules for establishing intraspecies, interspecies, and interkingdom communication. In this study, we explored the potential LuxR solos of Archaea from InterPro v62.0 meta-database employing taxonomic, probable function, distribution, and evolutionary aspects to decipher their role in quorum sensing (QS). Our bioinformatics analyses showed that putative LuxR solos of Archaea shared few conserved domains with bacterial LuxR despite having less similarity within proteins. Functional characterization revealed their ability to bind various AHLs and/or non-AHLs signaling molecules that involve in QS cascades alike bacteria. Further, the phylogenetic study indicates that Archaeal LuxR solos (with less substitution per site) evolved divergently from bacteria and share distant homology along with instances of horizontal gene transfer. Moreover, Archaea possessing putative LuxR solos, exhibit the correlation between taxonomy and ecological niche despite being the inhabitant of diverse habitats like halophilic, thermophilic, barophilic, methanogenic, and chemolithotrophic. Therefore, this study would shed light in deciphering the role of the putative LuxR solos of Archaea to adapt varied habitats via multilevel communication with other organisms using QS.
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spelling doaj.art-ba06032522494bf1956472b38252601a2022-12-22T02:07:09ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2017-05-01810.3389/fmicb.2017.00798238774Computational Exploration of Putative LuxR Solos in Archaea and Their Functional Implications in Quorum SensingAkanksha RajputManoj KumarLuxR solos are unexplored in Archaea, despite their vital role in the bacterial regulatory network. They assist bacteria in perceiving acyl homoserine lactones (AHLs) and/or non-AHLs signaling molecules for establishing intraspecies, interspecies, and interkingdom communication. In this study, we explored the potential LuxR solos of Archaea from InterPro v62.0 meta-database employing taxonomic, probable function, distribution, and evolutionary aspects to decipher their role in quorum sensing (QS). Our bioinformatics analyses showed that putative LuxR solos of Archaea shared few conserved domains with bacterial LuxR despite having less similarity within proteins. Functional characterization revealed their ability to bind various AHLs and/or non-AHLs signaling molecules that involve in QS cascades alike bacteria. Further, the phylogenetic study indicates that Archaeal LuxR solos (with less substitution per site) evolved divergently from bacteria and share distant homology along with instances of horizontal gene transfer. Moreover, Archaea possessing putative LuxR solos, exhibit the correlation between taxonomy and ecological niche despite being the inhabitant of diverse habitats like halophilic, thermophilic, barophilic, methanogenic, and chemolithotrophic. Therefore, this study would shed light in deciphering the role of the putative LuxR solos of Archaea to adapt varied habitats via multilevel communication with other organisms using QS.http://journal.frontiersin.org/article/10.3389/fmicb.2017.00798/fullArchaeaquorum-sensingLuxR solosligand-bindingphylogenyecological niche
spellingShingle Akanksha Rajput
Manoj Kumar
Computational Exploration of Putative LuxR Solos in Archaea and Their Functional Implications in Quorum Sensing
Frontiers in Microbiology
Archaea
quorum-sensing
LuxR solos
ligand-binding
phylogeny
ecological niche
title Computational Exploration of Putative LuxR Solos in Archaea and Their Functional Implications in Quorum Sensing
title_full Computational Exploration of Putative LuxR Solos in Archaea and Their Functional Implications in Quorum Sensing
title_fullStr Computational Exploration of Putative LuxR Solos in Archaea and Their Functional Implications in Quorum Sensing
title_full_unstemmed Computational Exploration of Putative LuxR Solos in Archaea and Their Functional Implications in Quorum Sensing
title_short Computational Exploration of Putative LuxR Solos in Archaea and Their Functional Implications in Quorum Sensing
title_sort computational exploration of putative luxr solos in archaea and their functional implications in quorum sensing
topic Archaea
quorum-sensing
LuxR solos
ligand-binding
phylogeny
ecological niche
url http://journal.frontiersin.org/article/10.3389/fmicb.2017.00798/full
work_keys_str_mv AT akanksharajput computationalexplorationofputativeluxrsolosinarchaeaandtheirfunctionalimplicationsinquorumsensing
AT manojkumar computationalexplorationofputativeluxrsolosinarchaeaandtheirfunctionalimplicationsinquorumsensing