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Functional profiling of cyanobacterial genomes and its role in ecological adaptations

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Title Functional profiling of cyanobacterial genomes and its role in ecological adaptations
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Creator Ratna Prabha
Dhananjaya P. Singh
Pallavi Somvanshi
Anil Rai
 
Subject Cyanobacteria
Functional profiling
COG categorization
Genome evolution
Ecological adaptation
 
Description Not Available
With the availability of complete genome sequences of many cyanobacterial species, it is becoming feasible to study the broad prospective of the environmental adaptation and the overall changes at transcriptional and translational level in these organisms. In the evolutionary phase, niche-specific competitive forces have resulted in specific features of the cyanobacterial genomes. In this study, functional composition of the 84 different cyanobacterial genomes and their adaptations to different environments was examined by identifying the genomic composition for specific cellular processes, which reflect their genomic functional profile and ecological adaptation.It was identified that among cyanobacterial genomes, metabolic genes have major share over other categories and differentiation of genomic functional profilewas observed for the species inhabiting different habitats.The cyanobacteria of freshwater and other habitats accumulate large number of poorly characterized genes.Strain specific functionswere also reported in many cyanobacterial members, of which an important featurewas the occurrence of phage-related sequences. From this study, it can be speculated that habitat is one of the major factors in giving the shape of functional composition of cyanobacterial genomes towards their ecological adaptations. © 2016 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license
(http://creativecommons.org/licenses/by-nc-nd/4.0/).
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Date 2022-09-27T05:29:45Z
2022-09-27T05:29:45Z
2016-06-20
 
Type Book
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/74581
 
Language English
 
Relation Not Available;
 
Publisher Elsevier