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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

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 Sept 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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