Identification of a possible respiratory arsenate reductase in Denitrovibrio acetiphilus, a member of the phylum Deferribacteres

Kyle Denton, Morgan M. Atkinson, Stacey P. Borenstein, Alexis Carlson, Thomas Carroll, Kristen Cullity, Casey Demarsico, Daniel Ellowitz, Andrea Gialtouridis, Rachel Gore, April Herleikson, Albee Yun Ling, Rachael Martin, Katherine McMahan, Piangfan Naksukpaiboon, Audrey Seiz, Katrina Yearwood, James O'Neill, Heather Wiatrowski*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Denitrovibrio acetiphilus N2460T is one of the few members of the phylum Deferribacteres with a sequenced genome. N2460T was capable of growing with dimethyl sulfoxide, selenate, or arsenate provided as a terminal electron acceptor, and we identified 15 genes that could possibly encode respiratory reductases for these compounds. The protein encoded by one of these genes, YP-003504839, clustered with respiratory arsenate reductases on a phylogenetic tree. Transcription of the gene for YP-003504839, Dacet-2121, was highly induced when arsenate was provided as a terminal electron acceptor. Dacet-2121 exists in a possible operon that is distinct from the previously characterized respiratory arsenate reductase operon in Shewanella sp. ANA-3.

Original languageEnglish
Pages (from-to)661-670
Number of pages10
JournalArchives of Microbiology
Volume195
Issue number9
DOIs
Publication statusPublished - 01 Sep 2013
Externally publishedYes

Keywords

  • ArrA
  • Arsenate
  • Arsenic
  • Deferribacteres
  • Denitrovibrio
  • Molybdopterin oxidoreductase
  • Nitrate

ASJC Scopus subject areas

  • Microbiology
  • Biochemistry
  • Molecular Biology
  • Genetics

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