About: Behavioral response of dissimilatory perchlorate-reducing bacteria to different electron acceptors

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About: Behavioral response of dissimilatory perchlorate-reducing bacteria to different electron acceptors Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Behavioral response of dissimilatory perchlorate-reducing bacteria to different electron acceptors
Creator	Ali, Nadia Coates, John Weber, Karrie Gustavson, Ruth Sun, Yvonne »more»
source	PMC
abstract	The response behavior of three dissimilatory perchlorate-reducing bacteria to different electron acceptors (nitrate, chlorate, and perchlorate) was investigated with two different assays. The observed response was species-specific, dependent on the prior growth conditions, and was inhibited by oxygen. We observed attraction toward nitrate when Dechloromonas aromatica strain RCB and Azospira suillum strain PS were grown with nitrate. When D. aromatica and Dechloromonas agitata strain CKB were grown with perchlorate, both responded to nitrate, chlorate, and perchlorate. When A. suillum was grown with perchlorate, the organism responded to chlorate and perchlorate but not nitrate. A gene replacement mutant in the perchlorate reductase subunit (pcrA) of D. aromatica resulted in a loss of the attraction response toward perchlorate but had no impact on the nitrate response. Washed-cell suspension studies revealed that the perchlorate grown cells of D. aromatica reduced both perchlorate and nitrate, while A. suillum cells reduced perchlorate only. Based on these observations, energy taxis was proposed as the underlying mechanism for the responses to (per)chlorate by D. aromatica. To the best of our knowledge, this study represents the first investigation of the response behavior of perchlorate-reducing bacteria to environmental stimuli. It clearly demonstrates attraction toward chlorine oxyanions and the unique ability of these organisms to distinguish structurally analogous compounds, nitrate, chlorate, and perchlorate and respond accordingly. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s00253-009-2051-3) contains supplementary material, which is available to authorized users.
has issue date	2009-06-17(xsd:dateTime)
bibo:doi	10.1007/s00253-009-2051-3
bibo:pmid	19533120
has license	no-cc
sha1sum (hex)	724928e8ab7edd37f1aef0128e52f87928aeb29a
schema:url	https://doi.org/10.1007/s00253-009-2051-3
resource representing a document's title	Behavioral response of dissimilatory perchlorate-reducing bacteria to different electron acceptors
has PubMed Central identifier	PMC2744828
has PubMed identifier	19533120
schema:publication	Appl Microbiol Biotechnol
resource representing a document's body	covid:724928e8ab7edd37f1aef0128e52f87928aeb29a#body_text
is schema:about of	named entity 'responded' named entity 'environmental' named entity 'chlorate' named entity 'reductase' named entity 'observed' »more»

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