Dominance of Sulfurospirillum in Metagenomes Associated with the Methane Ice Worm (Sirsoe methanicola)

Lim, Shen Jean; Thompson, Luke R.; Young, Craig M.; Gaasterland, Terry; Goodwin, Kelly D.

doi:10.1128/aem.00290-22

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i

Dominance of Sulfurospirillum in Metagenomes Associated with the Methane Ice Worm (Sirsoe methanicola)

2022
By Lim, Shen Jean ; Thompson, Luke R. ; Young, Craig M. ; ...
Source: Applied and Environmental Microbiology, 88(15): e00290-22

[PDF-3.50 MB]

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Details:

Journal Title:

Applied and Environmental Microbiology
Personal Author:

Lim, Shen Jean ; Thompson, Luke R. ; Young, Craig M. ; Gaasterland, Terry ; Goodwin, Kelly D.

Lim, Shen Jean ; Thompson, Luke R. ; Young, Craig M. ; Gaasterland, Terry ; Goodwin, Kelly D. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) ; CIMAS (Cooperative Institute for Marine and Atmospheric Studies) ; NGI (Norhtern Gulf Institute)

OAR (Oceanic and Atmospheric Research) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) ; CIMAS (Cooperative Institute for Marine and Atmospheric Studies) ; NGI (Norhtern Gulf Institute) Less -
Description:

Sirsoe methanicola, commonly known as the methane ice worm, is the only macrofaunal species known to inhabit the Gulf of Mexico methane hydrates. Little is known about this elusive marine polychaete that can colonize rich carbon and energy reserves. Metagenomic analysis of gut contents and worm fragments predicted diverse metabolic capabilities with the ability to utilize a range of nitrogen, sulfur, and organic carbon compounds through microbial taxa affiliated with Campylobacterales, Desulfobacterales, Enterobacterales, SAR324, Alphaproteobacteria, and Mycoplasmatales. Entomoplasmatales and Chitinivibrionales were additionally identified from extracted full-length 16S rRNA sequences, and read analysis identified 196 bacterial families. Overall, the microbial community appeared dominated by uncultured Sulfurospirillum, a taxon previously considered free-living rather than host-associated. Metagenome-assembled genomes (MAGs) classified as uncultured Sulfurospirillum predicted thiosulfate disproportionation and the reduction of tetrathionate, sulfate, sulfide/polysulfide, and nitrate. Microbial amino acid and vitamin B12 biosynthesis genes were identified in multiple MAGs, suggesting nutritional value to the host. Reads assigned to aerobic or anaerobic methanotrophic taxa were rare.
Source:

Applied and Environmental Microbiology, 88(15): e00290-22
DOI:

https://doi.org/10.1128/aem.00290-22
Document Type:

Journal Article
Funding:

Grant no.NA20OAR4320472 ; Grant no. NA16OAR4320199

Grant no.NA20OAR4320472 ; Grant no. NA16OAR4320199 Less -
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

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urn:sha256:33d0fcbd9fa082df1cf1104666bb198c98a5555f7d381e88131bf8b06b3559b9
Download URL:

https://repository.library.noaa.gov/view/noaa/45175/noaa_45175_DS1.pdf
File Type:

Available dataset

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