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Bacterial translation elongation factor EF-Tu interacts and colocalizes with actin-like MreB protein
TLDR
It is shown that translation initiation factor EF-Tu plays a second important role in cell shape maintenance in the bacterium Bacillus subtilis and thus serves two important functions in a bacterium.
Dissimilatory Reduction of Extracellular Electron Acceptors in Anaerobic Respiration
TLDR
A condensed overview of the current knowledge of extracellular respiration is given, highlights recent discoveries, and discusses critically the influence of different strategies for terminal electron transfer reactions.
Genes Coding for a New Pathway of Aerobic Benzoate Metabolism in Azoarcus evansii
TLDR
The data support the proposed pathway, which postulates operation of a new type of ring-hydroxylating dioxygenase acting on benzoyl-CoA and nonoxygenolytic ring cleavage.
Periplasmic Electron Transfer via the c-Type Cytochromes MtrA and FccA of Shewanella oneidensis MR-1
TLDR
Evidence is provided for the function of the periplasmic fumarate reductase FccA and the decaheme c-type cytochrome MtrA in periplasmsic electron transfer reactions in the gammaproteobacterium Shewanella oneidensis.
Benzoate-Coenzyme A Ligase from Thauera aromatica: an Enzyme Acting in Anaerobic and Aerobic Pathways
TLDR
In the denitrifying member of the beta-Proteobacteria Thauera aromatica, the anaerobic metabolism of aromatic acids such as benzoate or 2-aminobenzoate is initiated by the formation of the coenzyme A (CoA) thioester, benzoyl-CoA and 2-amines, respectively, and a single CoA ligase was induced during aerobic growth with Benzoate.
A mineralogical, geochemical, and microbiogical assessment of the antimony- and arsenic-rich neutral mine drainage tailings near Pezinok, Slovakia
Abstract The mineralogical composition of mining wastes deposited in voluminous tailing impoundments around the world is the key factor that controls retention and release of pollutants. Here we
Involvement and specificity of Shewanella oneidensis outer membrane cytochromes in the reduction of soluble and solid-phase terminal electron acceptors.
TLDR
MtrC and MtrF were shown to be potent reductases of chelated ferric iron, birnessite, and a carbon anode in a microbial fuel cell and OmcA-producing cells were unable to catalyze iron and electrode reduction, although the protein was correctly produced and oriented.
New enzymes involved in aerobic benzoate metabolism in Azoarcus evansii
TLDR
Evidence is provided for this hypothesis and it is shown that benzoyl‐CoA conversion in the bacterium Azoarcus evansii requires NADPH, O2 and two protein components, BoxA and BoxB, which suggests that BoxBA act as a Benzoyl-CoA dioxygenase/reductase.
Aerobic benzoyl‐CoA catabolic pathway in Azoarcus evansii: studies on the non‐oxygenolytic ring cleavage enzyme
TLDR
This study identified the next, ring cleaving step catalysed by BoxC, which is part of a widely distributed new principle of aerobic aromatic metabolism in which all intermediates are coenzyme A thioesters and the actual ring‐cleavage reaction does not require molecular oxygen.
Dissimilatory iron reduction in Escherichia coli: identification of CymA of Shewanella oneidensis and NapC of E. coli as ferric reductases
TLDR
The data support the argument that the biochemical mechanism of Fe(III) reduction per se was not the key innovation leading to environmental relevant DIR bacteria, and the evolution of an extension of the electron transfer pathway from the Fe( III) reductase CymA to the cell surface via a system of periplasmic and outer membrane cytochrome proteins enabled access to diffusion‐impaired electron acceptors.
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