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Study

Study Name: Marine microbial communities from the Lost City Hydrothermal Field

Projects

Biosamples

Organisms

Biosamples: 1 Seq. Projects: 1
STUDY NAME
GOLD Study ID Gs0062049
Study Name Marine microbial communities from the Lost City Hydrothermal Field
Other Names Lost City Methanosarcinales
NCBI Umbrella Bioproject Name
NCBI Umbrella Bioproject ID
Legacy ER Study ID 17049
Legacy GOLD ID Gm00242
Added By Nikos Kyrpides on 2010-05-09 00:00:00.0
Last Modified By Michelle Isbandi on 2013-10-31 00:00:00.0
STUDY DESCRIPTION
PI Brazelton, William J.
Description The carbonate chimneys of the Lost City Hydrothermal Field on the Mid-Atlantic Ridge are coated in thick microbial biofilms consisting of just a few dominant species. We report a preliminary analysis of a biofilm metagenome that revealed a remarkable abundance and diversity of genes potentially involved in lateral gene transfer (LGT). More than 8% of all metagenomic reads showed significant sequence similarity to transposases; all available metagenomic data sets from other environments contained at least an order of magnitude fewer transposases. Furthermore, the sequence diversity of transposase genes in the biofilm was much greater than that of 16S rRNA genes. The small size and high sequencing coverage of contigs containing transposases indicate that they are located on small but abundant extragenomic molecules. These results suggest that rampant LGT among members of the Lost City biofilm may serve as a generator of phenotypic diversity in a community with very low organismal diversity.
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GOLD CLASSIFICATION
Ecosystem Environmental
Ecosystem Category Aquatic
Ecosystem Type Marine
Ecosystem Subtype Hydrothermal vents
Specific Ecosystem Unclassified
Metagenomic Study Yes
STUDY COMPOSITION
Number of Biosamples 1
Number of Organisms 0
Number of Seq Projects 1
Number of Analysis Projects 1
Number of Related Studies 0

 

 

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