Abditibacterium utsteinense sp. nov., the first cultivated member of candidate phylum FBP, isolated from ice-free Antarctic soil samples

Most bacterial lineages are known only by molecular sequence data from environmental surveys and represent the uncultivated majority. One of these lineages, candidate phylum FBP, is widespread in extreme environments on Earth, ranging from polar and desert ecosystems to wastewater and contaminated m...

Full description

Saved in:
Bibliographic Details
Published in:Systematic and applied microbiology 2018-07, Vol.41 (4), p.279-290
Main Authors: Tahon, Guillaume, Tytgat, Bjorn, Lebbe, Liesbeth, Carlier, Aurélien, Willems, Anne
Format: Article
Language:English
Subjects:
Abditibacteriota
Antarctic Regions
Antarctica
Bacterial Typing Techniques
Bacteriology
Base Composition
Base Sequence
Cultivation
DNA, Bacterial - genetics
Drug Resistance, Multiple, Bacterial - genetics
Fatty Acids - analysis
Genome, Bacterial - genetics
Gram-Negative Anaerobic Bacteria - classification
Gram-Negative Anaerobic Bacteria - genetics
Gram-Negative Anaerobic Bacteria - isolation & purification
Gram-Negative Anaerobic Bacteria - metabolism
Life Sciences
Microbiology and Parasitology
Phylogeny
RNA, Ribosomal, 16S - genetics
Sequence Analysis, DNA
Soil Microbiology
Sør Rondane Mountains
Utsteinen
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Most bacterial lineages are known only by molecular sequence data from environmental surveys and represent the uncultivated majority. One of these lineages, candidate phylum FBP, is widespread in extreme environments on Earth, ranging from polar and desert ecosystems to wastewater and contaminated mine sites. Here we report on the characterization of strain LMG 29911T, the first cultivated representative of the FBP lineage. The strain was isolated from a terrestrial surface sample from Utsteinen, Sør Rondane Mountains, East Antarctica and is a Gram-negative, aerobic, oligotrophic chemoheterotrophic bacterium. It displays growth in a very narrow pH range, use of only a limited number of carbon sources, but also a metabolism optimized for survival in low-nutrient habitats. Remarkably, phenotypic and genome analysis indicated an extreme resistance against antibiotics and toxic compounds. We propose the names Abditibacterium utsteinense for this bacterium and Abditibacteriota for the former candidate phylum FBP. Furthermore, inter- and intra-phylum relationships indicate Armatimonadetes, a neighboring lineage to the Abditibacteriota, to be a superphylum.
ISSN:0723-2020
1618-0984
DOI:10.1016/j.syapm.2018.01.009