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Open AccessJournal ArticleDOI

Acidobacteria Phylum Sequences in Uranium-Contaminated Subsurface Sediments Greatly Expand the Known Diversity within the Phylum

TLDR
Analysis of sequences from this study and public databases produced a revised and greatly expanded phylogeny of the Acidobacteria phylum consisting of 26 subgroups.
Abstract
The abundance and composition of bacteria of the phylum Acidobacteria were surveyed in subsurface sediments from uranium-contaminated sites using amplification of 16S rRNA genes followed by clone/sequence analysis. Analysis of sequences from this study and public databases produced a revised and greatly expanded phylogeny of the Acidobacteria phylum consisting of 26 subgroups.

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The Ribosomal Database Project: improved alignments and new tools for rRNA analysis

TL;DR: An improved alignment strategy uses the Infernal secondary structure aware aligner to provide a more consistent higher quality alignment and faster processing of user sequences, and a new Pyrosequencing Pipeline that provides tools to support analysis of ultra high-throughput rRNA sequencing data.
Journal ArticleDOI

Exploring microbial diversity and taxonomy using SSU rRNA hypervariable tag sequencing.

TL;DR: This technique allows the cost-effective exploration of changes in microbial community structure, including the rare biosphere, over space and time and can be applied immediately to initiatives, such as the Human Microbiome Project.
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A comprehensive survey of soil acidobacterial diversity using pyrosequencing and clone library analyses

TL;DR: Acidobacteria communities were more phylogenetically clustered as soil pH departed from neutrality, suggesting that pH is an effective habitat filter, restricting community membership to progressively more narrowly defined lineages as pH deviates from neutrality.
Journal ArticleDOI

Soil microbial community responses to multiple experimental climate change drivers

TL;DR: The results indicate that climate change drivers and their interactions may cause changes in bacterial and fungal overall abundance; however, changes in precipitation tended to have a much greater effect on the community composition.
References
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Journal ArticleDOI

Rapid determination of 16S ribosomal RNA sequences for phylogenetic analyses

TL;DR: A protocol is described for rapidly generating large blocks of 16S rRNA sequence data without isolation of the 16 S rRNA or cloning of its gene, and its phylogenetic usefulness is evaluated by examination of several 17S rRNAs whose gene sequences are known.
Journal ArticleDOI

Impact of Culture-Independent Studies on the Emerging Phylogenetic View of Bacterial Diversity

TL;DR: The authors' perspective on microbial diversity has improved enormously over the past few decades in large part due to molecular phylogenetic studies that objectively relate organisms.
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Identifying the Dominant Soil Bacterial Taxa in Libraries of 16S rRNA and 16S rRNA Genes

TL;DR: In 1909, H. Joel Conn expressed the hope that methods would soon be at hand by which the significance of the different bacteria present in any soil could be understood.
Journal ArticleDOI

The Ribosomal Database Project (RDP-II): sequences and tools for high-throughput rRNA analysis

TL;DR: The Ribosomal Database Project (RDP-II) provides the research community with aligned and annotated rRNA gene sequences, along with analysis services and a phylogenetically consistent taxonomic framework for these data.
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