Open Access
Scientific Reports, volume 7, issue 1, publication number 8373
Actinobacterial Rare Biospheres and Dark Matter Revealed in Habitats of the Chilean Atacama Desert
1
School of Biology, Ridley Building, Newcastle University, Newcastle upon Tyne, United Kingdom
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2
Centre for Biotechnology and Bioengineering (CeBiB), Department of Chemical Engineering and Biotechnology, University of Chile, Beauchef 851, Santiago, Chile
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3
School of Biosciences, University of Kent, Canterbury, Kent, United Kingdom
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Publication type: Journal Article
Publication date: 2017-08-21
PubMed ID:
28827739
Multidisciplinary
Abstract
The Atacama Desert is the most extreme non-polar biome on Earth, the core region of which is considered to represent the dry limit for life and to be an analogue for Martian soils. This study focused on actinobacteria because they are keystone species in terrestrial ecosystems and are acknowledged as an unrivalled source of bioactive compounds. Metagenomic analyses of hyper-arid and extreme hyper-arid soils in this desert revealed a remarkable degree of actinobacterial ‘dark matter’, evidenced by a detected increase of 34% in families against those that are validly published. Rank-abundance analyses indicated that these soils were high-diversity habitats and that the great majority of designated ‘rare’ genera (up to 60% of all phylotypes) were always rare. These studies have enabled a core actinobacterial microbiome common to both habitats to be defined. The great majority of detected taxa have not been recovered by culture dependent methods, neither, with very few exceptions, has their functional ecology been explored. A microbial seed bank of this magnitude has significance not just for Atacama soil ecosystem resilience but represents an enormous untapped resource for biotechnology discovery programmes in an era where resistance to existing antibiotics is rapidly becoming a major threat to global health.
Citations by journals
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Citations by publishers
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10
12
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3 publications, 5.45%
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1 publication, 1.82%
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Copernicus
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1 publication, 1.82%
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1 publication, 1.82%
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Taylor & Francis
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1 publication, 1.82%
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1 publication, 1.82%
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1 publication, 1.82%
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Idris H. et al. Actinobacterial Rare Biospheres and Dark Matter Revealed in Habitats of the Chilean Atacama Desert // Scientific Reports. 2017. Vol. 7. No. 1. 8373
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Idris H., Goodfellow M., Sanderson R., Asenjo J. A., Bull A. T. Actinobacterial Rare Biospheres and Dark Matter Revealed in Habitats of the Chilean Atacama Desert // Scientific Reports. 2017. Vol. 7. No. 1. 8373
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TY - JOUR
DO - 10.1038/s41598-017-08937-4
UR - https://doi.org/10.1038%2Fs41598-017-08937-4
TI - Actinobacterial Rare Biospheres and Dark Matter Revealed in Habitats of the Chilean Atacama Desert
T2 - Scientific Reports
AU - Idris, Hamidah
AU - Goodfellow, Michael
AU - Sanderson, Roy
AU - Asenjo, Juan A.
AU - Bull, Alan T.
PY - 2017
DA - 2017/08/21 00:00:00
PB - Springer Nature
IS - 1
VL - 7
PMID - 28827739
SN - 2045-2322
ER -
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@article{2017_Idris,
author = {Hamidah Idris and Michael Goodfellow and Roy Sanderson and Juan A. Asenjo and Alan T. Bull},
title = {Actinobacterial Rare Biospheres and Dark Matter Revealed in Habitats of the Chilean Atacama Desert},
journal = {Scientific Reports},
year = {2017},
volume = {7},
publisher = {Springer Nature},
month = {aug},
url = {https://doi.org/10.1038%2Fs41598-017-08937-4},
number = {1},
doi = {10.1038/s41598-017-08937-4}
}