ArticleApplied and environmental microbiology2009
Assessment of the diversity, abundance, and ecological distribution of members of candidate division SR1 reveals a high level of phylogenetic diversity but limited morphotypic diversity.
Article in Applied and environmental microbiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Trial
- Widespread but Poorly Understood Bacteria: Candidate Phyla Radiation.Microorganisms · 2022Review
- Disentangling the Complexity of the Rumen Microbial Diversity Through Fractionation Using a Sucrose Density Gradient.Frontiers in microbiology · 2021Article
- Microbial symbiosis and coevolution of an entire clade of ancient vertebrates: the gut microbiota of sea turtles and its relationship to their phylogenetic history.Animal microbiome · 2020Article
- Salivary Microbiome and Cigarette Smoking: A First of Its Kind Investigation in Jordan.International journal of environmental research and public health · 2019Article
- The Prodigal Compound: Return of Ribosyl 1,5-Bisphosphate as an Important Player in Metabolism.Microbiology and molecular biology reviews : MMBR · 2019Review
- Composition of Rumen Bacterial Community in Dairy Cows With Different Levels of Somatic Cell Counts.Frontiers in microbiology · 2018Article
- The Relationship between pH and Bacterial Communities in a Single Karst Ecosystem and Its Implication for Soil Acidification.Frontiers in microbiology · 2016Article
- Biogeographic Distribution Patterns of Bacteria in Typical Chinese Forest Soils.Frontiers in microbiology · 2016Article
- Complete Genome Sequence of the Bacterium Aalborg_AAW-1, Representing a Novel Family within the Candidate Phylum SR1.Genome announcements · 2015Article
- Prepartum and postpartum rumen fluid microbiomes: characterization and correlation with production traits in dairy cows.Applied and environmental microbiology · 2015Article
- Structural Iron (II) of Basaltic Glass as an Energy Source for Zetaproteobacteria in an Abyssal Plain Environment, Off the Mid Atlantic Ridge.Frontiers in microbiology · 2015Article
- Host-associated bacterial taxa from Chlorobi, Chloroflexi, GN02, Synergistetes, SR1, TM7, and WPS-2 Phyla/candidate divisions.Journal of oral microbiology · 2014Article
- Small genomes and sparse metabolisms of sediment-associated bacteria from four candidate phyla.mBio · 2013Article
- UGA is an additional glycine codon in uncultured SR1 bacteria from the human microbiota.Proceedings of the National Academy of Sciences of the United States of America · 2013Article
- Discrimination of the oral microbiota associated with high hydrogen sulfide and methyl mercaptan production.Scientific reports · 2012Article
- Partial genome assembly for a candidate division OP11 single cell from an anoxic spring (Zodletone Spring, Oklahoma).Applied and environmental microbiology · 2011Article
- Influence of the drilling mud formulation process on the bacterial communities in thermogenic natural gas wells of the Barnett Shale.Applied and environmental microbiology · 2011Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We used a combination of 16S rRNA gene clone library surveys, quantitative PCR (qPCR) analysis, and fluorescent in situ hybridization to investigate the diversity, abundance, and distribution of members of candidate division SR1 in multiple habitats. Using SR1-specific 16S rRNA gene primers, we identified multiple novel SR1 lineages in four different anaerobic environments: sediments from Zodletone Spring, a sulfide- and sulfur-rich spring in southwestern Oklahoma; inner layers of microbial mats obtained from Sperm Pool, a high-temperature, low-pH pool (55 degrees C, pH 2.5) in Yellowstone National Park; fresh bovine ruminal contents; and anaerobic freshwater pond sediments (Duck Pond) in Norman, Oklahoma. qPCR analysis indicated that SR1 members constitute a small fraction (<0.01%) of the microbial communities in Duck Pond and ruminal samples but constitute a significant fraction (11.6 and 48.7%) of the total number of bacterial 16S rRNA genes in Zodletone Spring and the inner layers of Sperm Pool microbial mat samples, respectively. By using SR1-specific fluorescent probes, filamentous cells were identified as the sole SR1 morphotype in all environments examined, with the exception of Sperm Pool, where a second bacillus morphotype was also identified. Using a full-cycle 16S rRNA approach, we show that each of these two morphotypes corresponds to a specific phylogenetic lineage identified in the Sperm Pool clone library. This work greatly expands the intralineage phylogenetic diversity within candidate division SR1 and provides valuable quantification and visualization tools that could be used for investigating the ecological roles, dynamics, and genomics of this as-yet-uncultured bacterial phylum.
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