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Title: Insights into the single cell draft genome of “Candidatus Achromatium palustre”

"Candidatus Achromatium palustre" was recently described as the first marine representative of the Achromatium spp. in the Thiotrichaceae - a sister lineage to the Chromatiaceae in the Gammaproteobacteria. Achromatium spp. belong to the group of large sulfur bacteria as they can grow to nearly 100 mu m in size and store elemental sulfur (S-0) intracellularly. As a unique feature, Achromatium spp. can accumulate colloidal calcite (CaCO3) inclusions in great amounts. Currently, both process and function of calcite accumulation in bacteria is unknown, and all Achromatium spp. are uncultured. Recently, three single-cell draft genomes of Achromatium spp. from a brackish mineral spring were published, and here we present the first draft genome of a single "Candidatus Achromatium palustre" cell collected in the sediments of the Sippewissett Salt Marsh, Cape Cod, MA. Our draft dataset consists of 3.6 Mbp, has a G + C content of 38.1 % and is nearly complete (83 %). In conclusion, the next closest relative to the Achromatium spp. genomes is Thiorhodovibrio sp. 907 of the family Chromatiaceae, containing phototrophic sulfide-oxidizing bacteria.
 [1] ;  [2] ;  [3] ;  [3] ;  [4] ;  [1]
  1. Cornell Univ., Ithaca, NY (United States)
  2. Univ. of Amsterdam, Amsterdam (Netherlands)
  3. DOE Joint Genome Institute, Walnut Creek, CA (United States)
  4. Univ. of North Carolina, Chapel Hill, NC (United States)
Publication Date:
OSTI Identifier:
Grant/Contract Number:
Accepted Manuscript
Journal Name:
Standards in Genomic Sciences
Additional Journal Information:
Journal Volume: 11; Journal Issue: 1; Journal ID: ISSN 1944-3277
BioMed Central
Research Org:
DOE Joint Genome Institute, Walnut Creek, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
59 BASIC BIOLOGICAL SCIENCES "Candidatus Achromatium palustre"; large sulfide-oxidizing bacteria; Thiotrichaceae; calcium carbonate; Sippewissett Salt Marsh; sulfur bacteria; uncultured bacteria; natural communities; genus achromatium; microbial genomes; analysis system; sequence data; oxaliferum; microautoradiography; spp.