Characterizing the circadian connectome of Ocimum tenuiflorum using an integrated network theoretic framework

Abstract Across the three domains of life, circadian clock is known to regulate vital physiological processes, like, growth, development, defence etc. by anticipating environmental cues. In this work, we report an integrated network theoretic methodology comprising of random walk with restart and gr...

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Main Author: Vikram Singh
Format: Article
Language:English
Published: Nature Portfolio 2023-08-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-023-40212-7
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author Vikram Singh
Vikram Singh
author_facet Vikram Singh
Vikram Singh
author_sort Vikram Singh
collection DOAJ
description Abstract Across the three domains of life, circadian clock is known to regulate vital physiological processes, like, growth, development, defence etc. by anticipating environmental cues. In this work, we report an integrated network theoretic methodology comprising of random walk with restart and graphlet degree vectors to characterize genome wide core circadian clock and clock associated raw candidate proteins in a plant for which protein interaction information is available. As a case study, we have implemented this framework in Ocimum tenuiflorum (Tulsi); one of the most valuable medicinal plants that has been utilized since ancient times in the management of a large number of diseases. For that, 24 core clock (CC) proteins were mined in 56 template plant genomes to build their hidden Markov models (HMMs). These HMMs were then used to identify 24 core clock proteins in O. tenuiflorum. The local topology of the interologous Tulsi protein interaction network was explored to predict the CC associated raw candidate proteins. Statistical and biological significance of the raw candidates was determined using permutation and enrichment tests. A total of 66 putative CC associated proteins were identified and their functional annotation was performed.
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spelling doaj.art-348539a8019e407f9b62df30d9bcb3dc2023-11-20T09:28:50ZengNature PortfolioScientific Reports2045-23222023-08-0113111210.1038/s41598-023-40212-7Characterizing the circadian connectome of Ocimum tenuiflorum using an integrated network theoretic frameworkVikram Singh0Vikram Singh1Centre for Computational Biology and Bioinformatics, Central University of Himahcal PradeshCentre for Computational Biology and Bioinformatics, Central University of Himahcal PradeshAbstract Across the three domains of life, circadian clock is known to regulate vital physiological processes, like, growth, development, defence etc. by anticipating environmental cues. In this work, we report an integrated network theoretic methodology comprising of random walk with restart and graphlet degree vectors to characterize genome wide core circadian clock and clock associated raw candidate proteins in a plant for which protein interaction information is available. As a case study, we have implemented this framework in Ocimum tenuiflorum (Tulsi); one of the most valuable medicinal plants that has been utilized since ancient times in the management of a large number of diseases. For that, 24 core clock (CC) proteins were mined in 56 template plant genomes to build their hidden Markov models (HMMs). These HMMs were then used to identify 24 core clock proteins in O. tenuiflorum. The local topology of the interologous Tulsi protein interaction network was explored to predict the CC associated raw candidate proteins. Statistical and biological significance of the raw candidates was determined using permutation and enrichment tests. A total of 66 putative CC associated proteins were identified and their functional annotation was performed.https://doi.org/10.1038/s41598-023-40212-7
spellingShingle Vikram Singh
Vikram Singh
Characterizing the circadian connectome of Ocimum tenuiflorum using an integrated network theoretic framework
Scientific Reports
title Characterizing the circadian connectome of Ocimum tenuiflorum using an integrated network theoretic framework
title_full Characterizing the circadian connectome of Ocimum tenuiflorum using an integrated network theoretic framework
title_fullStr Characterizing the circadian connectome of Ocimum tenuiflorum using an integrated network theoretic framework
title_full_unstemmed Characterizing the circadian connectome of Ocimum tenuiflorum using an integrated network theoretic framework
title_short Characterizing the circadian connectome of Ocimum tenuiflorum using an integrated network theoretic framework
title_sort characterizing the circadian connectome of ocimum tenuiflorum using an integrated network theoretic framework
url https://doi.org/10.1038/s41598-023-40212-7
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