Assessing the global phylum level diversity within the bacterial domain: A review

Microbial ecology is the study of microbes in the natural environment and their interactions with each other. Investigating the nature of microorganisms residing within a specific habitat is an extremely important component of microbial ecology. Such microbial diversity surveys aim to determine the...

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Main Authors: Noha H. Youssef, M.B. Couger, Alexandra L. McCully, Andrés Eduardo Guerrero Criado, Mostafa S. Elshahed
Format: Article
Language:English
Published: Elsevier 2015-05-01
Series:Journal of Advanced Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2090123214001283
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author Noha H. Youssef
M.B. Couger
Alexandra L. McCully
Andrés Eduardo Guerrero Criado
Mostafa S. Elshahed
author_facet Noha H. Youssef
M.B. Couger
Alexandra L. McCully
Andrés Eduardo Guerrero Criado
Mostafa S. Elshahed
author_sort Noha H. Youssef
collection DOAJ
description Microbial ecology is the study of microbes in the natural environment and their interactions with each other. Investigating the nature of microorganisms residing within a specific habitat is an extremely important component of microbial ecology. Such microbial diversity surveys aim to determine the identity, physiological preferences, metabolic capabilities, and genomic features of microbial taxa within a specific ecosystem. A comprehensive review of various aspects of microbial diversity (phylogenetic, functional, and genomic diversities) in the microbial (bacterial, archaeal, and microeukaryotic) world is clearly a daunting task that could not be aptly summarized in a single review. Here, we focus on one aspect of diversity (phylogenetic diversity) in one microbial domain (the Bacteria). We restrict our analysis to the highest taxonomic rank (phylum) and attempt to investigate the extent of global phylum level diversity within the Bacteria. We present a brief historical perspective on the subject and highlight how the adaptation of molecular biological and phylogenetic approaches has greatly expanded our view of global bacterial diversity. We also summarize recent progress toward the discovery of novel bacterial phyla, present evidences that the scope of phylum level diversity in nature has hardly been exhausted, and propose novel approaches that could greatly facilitate the discovery process of novel bacterial phyla within various ecosystems.
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spelling doaj.art-4793d33907004fa38719078958406ae52022-12-22T01:32:04ZengElsevierJournal of Advanced Research2090-12322090-12242015-05-016326928210.1016/j.jare.2014.10.005Assessing the global phylum level diversity within the bacterial domain: A reviewNoha H. YoussefM.B. CougerAlexandra L. McCullyAndrés Eduardo Guerrero CriadoMostafa S. ElshahedMicrobial ecology is the study of microbes in the natural environment and their interactions with each other. Investigating the nature of microorganisms residing within a specific habitat is an extremely important component of microbial ecology. Such microbial diversity surveys aim to determine the identity, physiological preferences, metabolic capabilities, and genomic features of microbial taxa within a specific ecosystem. A comprehensive review of various aspects of microbial diversity (phylogenetic, functional, and genomic diversities) in the microbial (bacterial, archaeal, and microeukaryotic) world is clearly a daunting task that could not be aptly summarized in a single review. Here, we focus on one aspect of diversity (phylogenetic diversity) in one microbial domain (the Bacteria). We restrict our analysis to the highest taxonomic rank (phylum) and attempt to investigate the extent of global phylum level diversity within the Bacteria. We present a brief historical perspective on the subject and highlight how the adaptation of molecular biological and phylogenetic approaches has greatly expanded our view of global bacterial diversity. We also summarize recent progress toward the discovery of novel bacterial phyla, present evidences that the scope of phylum level diversity in nature has hardly been exhausted, and propose novel approaches that could greatly facilitate the discovery process of novel bacterial phyla within various ecosystems.http://www.sciencedirect.com/science/article/pii/S2090123214001283Phylogenetic diversityCandidate phyla16S rRNA geneCulture-independant diversité surveys
spellingShingle Noha H. Youssef
M.B. Couger
Alexandra L. McCully
Andrés Eduardo Guerrero Criado
Mostafa S. Elshahed
Assessing the global phylum level diversity within the bacterial domain: A review
Journal of Advanced Research
Phylogenetic diversity
Candidate phyla
16S rRNA gene
Culture-independant diversité surveys
title Assessing the global phylum level diversity within the bacterial domain: A review
title_full Assessing the global phylum level diversity within the bacterial domain: A review
title_fullStr Assessing the global phylum level diversity within the bacterial domain: A review
title_full_unstemmed Assessing the global phylum level diversity within the bacterial domain: A review
title_short Assessing the global phylum level diversity within the bacterial domain: A review
title_sort assessing the global phylum level diversity within the bacterial domain a review
topic Phylogenetic diversity
Candidate phyla
16S rRNA gene
Culture-independant diversité surveys
url http://www.sciencedirect.com/science/article/pii/S2090123214001283
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