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Oxidoreductases Acting on Sulfur Group Donors (11):
Recent article
Oxidoreductases Acting on Sulfur Group Donors
Journal of Biological Chemistry (285)45 2010
Abstract
We investigated the regulatory mechanism of Srx induction by lipopolysaccharide (LPS) in mouse macrophages. LPS up-regulated Srx expression on the transcriptional level. The promoter region of the Srx gene contained putative NF-κB and AP-1 (activator protein-1) sites, and the proximal site of three...
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PMID: 20826812
PDF is available here.
PDF is available here.
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Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
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PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We analyzed regulation of the pathway in the model for basal plants, the moss Physcomitrella patens. While in Arabidopsis the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), is feedback repressed by thiols and induced by reduced levels of glutathione, in P. patens su...
|
PMID: 20473684
PDF is available here.
PDF is available here.
Abstract
We hypothesized that the CMG021C gene product functions as an NiR in C. merolae. To test this hypothesis, we developed a method for targeted gene disruption in C. merolae. In support of our hypothesis, we found that a CMG021G null mutant in comparison with the parental strain showed decreased cell g...
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PMID: 20375110
PDF is available here.
PDF is available here.
Abstract
We show that growth factor erv1-like (Gfer) is involved in preserving mouse embryonic stem cell (ESC) mitochondrial morphology and function. Knockdown (KD) of Gfer in ESCs leads to decreased pluripotency marker expression, embryoid body (EB) formation, cell survival, and loss of mitochondrial functi...
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PMID: 20147447
PDF is available here.
PDF is available here.
Abstract
Free methionine-(R)-sulfoxide reductase (fRMsr) catalyzes the reduction of the free form of methionine-(R)-sulfoxide back to free methionine. The fRMsr protein from Staphylococcus aureus was overexpressed in Escherichia coli, purified and crystallized at 295 K using ammonium sulfate as a precipitant...
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PMID: 19923731
PDF is available here.
PDF is available here.
B M B Reports (42)9 2009
Abstract
We show that mammalian MsrB2 and MsrB3 were unable to reduce DMSO. This compound inhibited MsrB2 activity but did not inhibit MsrB3 activity. We further determined that DMSO functions as an inhibitor of MsrA and MsrB2 in the reduction of methionine sulfoxides via different inhibition mechanisms. DMS...
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PMID: 19788859
PDF is available here.
PDF is available here.
Abstract
We examined a low molecular weight (LMW) fraction (plasma peptidome) using liquid chromatography-tandem mass spectrometry (LC-MS/MS) methods. In the plasma peptidome of patients with ductal adenocarcinoma of the pancreas (DAP), a prominent peptide was identified from the QSOX1 parent protein. This p...
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PMID: 19795908
PDF is available here.
PDF is available here.
Abstract
We have probed the molecular determinants that underlie binding and specificity through a series of substrate and product analogues. Our study highlights the importance of specific substitutent groups for substrate binding and provides functional evidence for ligand-specific conformational states. A...
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PMID: 19678707
PDF is available here.
PDF is available here.
Abstract
The present study was aimed to analyze the effects of variable S supply on arsenic (As) accumulation potential of Hydrilla verticillata (Lf.) Royle. Plants were exposed to either arsenate (AsV; 50 microM) or arsenite (AsIII; 5 microM) for 4 h and 1 day while S supply was varied as deficient (2 micro...
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PMID: 19746730
PDF is available here.
PDF is available here.
FEMS Yeast Research (9)3 2009
Abstract
We used a classical mutagenesis method to develop and isolate a series of strains, derived from a commercial diploid wine yeast (PDM), which showed a drastic reduction in H(2)S production in both synthetic and grape juice fermentations. Specific mutations in the MET10 and MET5 genes, which encode th...
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PMID: 19236486
PDF is available here.
PDF is available here.
Abstract
We have investigated the importance of histone acetylation in the regulation of these genes, to understand more about how these genes are regulated by synaptic activity. We show that the sestrin 2 promoter undergoes activity-dependent histone acetylation, which contributes to its transcriptional act...
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PMID: 19430206
PDF is available here.
PDF is available here.
Molecules and Cells (27)3 2009
Abstract
We review recent investigations that have shed further light on sulfiredoxin's role and regulation. Studies have revealed sulfiredoxin to be a dynamically regulated gene whose transcription is induced by a variety of signals and stimuli. Sulfiredoxin expression is regulated by the transcription fact...
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PMID: 19326073
PDF is available here.
PDF is available here.
Abstract
Our data indicate distinct functions of adiponectin receptors, AdipoR1 and AdipoR2, mediate the autocrine/paracrine actions of adiponectin. The lack of correlation between changes in SAT adiponectin gene and protein expression and its circulating levels suggests that adipose tissue synthesis and rel...
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PMID: 18996753
PDF is available here.
PDF is available here.
Journal of Biological Chemistry (283)49 2008
Abstract
We report the structure of desulfoviridin from Desulfovibrio vulgaris, in which the dSiR DsrAB (sulfite reductase) subunits are bound to the DsrC protein. The alpha(2)beta(2)gamma(2) assembly contains two siroheme-[4Fe4S] cofactors bound by DsrB, two sirohydrochlorins and two [4Fe4S] centers bound b...
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PMID: 18829451
PDF is available here.
PDF is available here.
Abstract
We have previously shown that human melanoma cells lack an important enzyme, gamma interferon-inducible lysosomal thiol-reductase (GILT), capable of perturbing immune recognition of these tumors. Here, we show that GILT expression in human melanoma cells enhances Ag processing and presentation via H...
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PMID: 18343923
PDF is available here.
PDF is available here.
Environmental Microbiology (10)10 2008
Abstract
The Yeti crab, Kiwa hirsuta Macpherson et al., is the single known species in a recently discovered crab family Kiwaidae (Decapoda: Galatheoidea) from deep-sea hydrothermal vents. Its chelipeds, walking legs and the ventral surface of its cephalothorax are covered with dense setae that, in turn, are...
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PMID: 18564185
PDF is available here.
PDF is available here.
Abstract
We reported previously that YbbN displays both protein oxido-reductase and chaperone properties in vitro. In this study, we show that an ybbN-deficient strain displays an increased sensitivity to thermal stress but not to oxidative stress, a normal redox state of its cellular proteins but a decrease...
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PMID: 18657513
PDF is available here.
PDF is available here.
Journal of Cell Biology (182)6 2008
Abstract
We identified a role in Notch signaling for a conserved thiol oxidase, endoplasmic reticulum (ER) oxidoreductin 1-like (Ero1L). Although Ero1L is reported to play a widespread role in protein folding in yeast, in flies Ero1L mutant clones show specific defects in lateral inhibition and inductive sig...
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PMID: 18809725
PDF is available here.
PDF is available here.
Journal of Biological Chemistry (283)37 2008
Abstract
Three reading frames called ccmF(N1), ccmF(N2), and ccmF(c) are found in the mitochondrial genome of Arabidopsis. These sequences are similar to regions of the bacterial gene ccmF involved in cytochrome c maturation. ccmF genes are always absent from animal and fungi genomes but are found in mitocho...
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PMID: 18644794
PDF is available here.
PDF is available here.
Abstract
Saccharomyces cerevisiae Grx6 and Grx7 are two monothiol glutaredoxins whose active-site sequences (CSYS and CPYS, respectively) are reminiscent of the CPYC active-site sequence of classical dithiol glutaredoxins. Both proteins contain an N-terminal transmembrane domain which is responsible for thei...
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PMID: 18503006
PDF is available here.
PDF is available here.
Biochemistry (Washington) (29)11 2008
Abstract
We have tested several methods for evaluating the vibrational contribution to binding of 22 nucleotide analogues to the enzyme APS reductase. These include two cluster size methods that measure the probability of finding a particular conformation, a method that estimates the extent of the local ener...
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PMID: 18351616
PDF is available here.
PDF is available here.
Abstract
Electron paramagnetic resonance (EPR) investigation of the Mo(V) center of the pathogenic R160Q mutant of human sulfite oxidase (hSO) confirms the presence of three distinct species whose relative abundances depend upon pH. Species 1 is exclusively present at pH < or = 6, and remains in significant...
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PMID: 18529001
PDF is available here.
PDF is available here.
Abstract
We here report that Trx could reduce both MsrB2 and MsrB3 enzymes, similarly to the reduction of mammalian MsrA. We demonstrated that functional Trx is required for the reduction of these enzymes. We further identified MsrB2- or MsrB3-Trx complexes formed through intermolecular disulfide bonds invol...
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PMID: 18452709
PDF is available here.
PDF is available here.
Microbiology (154)Pt 7 2008
Abstract
These results demonstrate that the target of SoxS is the sulfur-binding protein SoxY of the SoxYZ complex. As SoxYZ is reversibly inactivated, SoxS may activate SoxYZ as a crucial function for chemotrophy of P. pantotrophus....
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PMID: 18599826
PDF is available here.
PDF is available here.
Abstract
Coenzyme F(420)-dependent sulfite reductase (Fsr) of Methanocaldococcus jannaschii, a sulfite-tolerant methanogen, was expressed with activity in Methanococcus maripaludis, a sulfite-sensitive methanogen. The recombinant organism reduced sulfite to sulfide and grew with sulfite as the sole sulfur so...
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PMID: 18378657
PDF is available here.
PDF is available here.
Abstract
We analyze several mass spectrometric data sets acquired using two-dimensional liquid chromatography tandem mass spectrometry, 2D-LC/MS/MS, for the sulfate reducing bacterium, Desulfovibrio vulgaris Hildenborough. Our searches of the raw spectra led us to discover several post-translationally modifi...
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PMID: 18416566
PDF is available here.
PDF is available here.
FEMS Microbiology Letters (282)1 2008
Abstract
We showed that it was an operon involved in sulfur metabolism. Functional studies revealed that, except for ORFb, the three genes ORFa, ORFc and ORFd were involved in sulfite reduction. ORFa and ORFc were similar to the cysG and cysI from Sinorhizobium meliloti 1021 and Rhizobium etli CFN 42, respec...
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PMID: 18336549
PDF is available here.
PDF is available here.
Abstract
Abstract
Sulfide production by sulfate-reducing bacteria (SRB) is a major concern for the petroleum industry since it is toxic and corrosive, and causes plugging due to the formation of insoluble iron sulfides (reservoir souring). In this study, PCR followed by denaturing gradient gel electrophoresis (PCR-DG...
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PMID: 18180965
PDF is available here.
PDF is available here.
Nature Neuroscience (11)4 2008
Abstract
We found that in rat neurons, synaptic activity, acting via NMDA receptor (NMDAR) signaling, boosted antioxidant defenses by making changes to the thioredoxin-peroxiredoxin (Prx) system. Synaptic activity enhanced thioredoxin activity, facilitated the reduction of overoxidized Prxs and promoted resi...
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PMID: 18344994
PDF is available here.
PDF is available here.
Biochimica et Biophysica Acta (1783)4 2008
Abstract
The Quiescin-sulfhydryl oxidase (QSOX) family of flavoenzymes catalyzes the direct and facile insertion of disulfide bonds into unfolded reduced proteins with concomitant reduction of oxygen to hydrogen peroxide. This review discusses the chemical mechanism of these enzymes and the involvement of thi...
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PMID: 17980160
PDF is available here.
PDF is available here.
Plant Physiology (146)3 2008
Abstract
We analyzed regulation of the key enzyme of sulfate assimilation, adenosine 5'-phosphosulfate reductase (APR), by salt stress. APR activity and mRNA levels of all three APR isoforms increased 3-fold in roots after 5 h of treatment with 150 mm NaCl. The regulation of APR was not affected in mutants d...
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PMID: 18218969
PDF is available here.
PDF is available here.
Extremophiles (12)2 2008
Abstract
We showed, for the first time the presence of the SOR enzyme in A. aeolicus, its gene was cloned and recombinantly expressed in Escherichia coli and the protein was purified and characterised. It is a 16 homo-oligomer of approximately 600 kDa that contains iron atoms indispensable for the enzyme act...
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PMID: 18060346
PDF is available here.
PDF is available here.
Abstract
Abstract
Six morphotypes of small mussels (Bivalvia: Mytilidae) were found attached to naturally sunken wood collected in the Bohol Sea (Philippines). These specimens are related to the large Bathymodiolus mussels that are found worldwide at cold seeps and hydrothermal vents. In these habitats, the mytilids...
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PMID: 18218025
PDF is available here.
PDF is available here.
Abstract
Based on the comparative models, there are no significant structural differences between dissimilatory APS reductases from SRP and SOB; this might be indicative for a similar catalytic process of APS reduction/sulfite oxidation....
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PMID: 18231600
PDF is available here.
PDF is available here.
Abstract
The deep subseafloor rock in oil reservoirs represents a unique environment in which a high oilcontamination and very low biomass can be observed. Sampling this environment has been a challenge owing to the techniques used for drilling and coring. In this study, the facilities developed by the Brazi...
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PMID: 18239409
PDF is available here.
PDF is available here.
Abstract
These results suggest that immobilization made the sulfide oxidase from Arthrobacter sp. FR-3 thermodynamically more efficient for catalysis of sulfide oxidation....
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PMID: 18080911
PDF is available here.
PDF is available here.
Phytochemistry (69)2 2008
Abstract
Soybean seeds are a major source of protein, but contain low levels of sulfur-containing amino acids. With the objective of studying the sulfur assimilation pathway of soybean, a full-length cDNA clone for 5'-adenylylsulfate reductase (APS reductase) was isolated and characterized. The cDNA clone co...
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PMID: 17761201
PDF is available here.
PDF is available here.
Microbiology (154)Pt 1 2008
Abstract
We named SorA. The neighbouring gene is an orthologue of sorB, and the sorAB genes were co-transcribed. Cell fractionation showed SorA to be periplasmic. The corresponding enzyme in Delftia acidovorans SPH-1 was enriched 270-fold, identified as Daci_0055 (termed 'sulfite oxidase' cd02110) and has a...
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PMID: 18174144
PDF is available here.
PDF is available here.
Abstract
The inheritance of ATPS, APR and the related 3'-phosphoadenosine 5'-phosphosulfate reductase (PAPR) are remarkable, with multiple origins in the lineages that comprise the opisthokonts, different isoforms in chlorophytes and streptophytes, gene fusions with other enzymes of the pathway, evidence a e...
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PMID: 18248682
PDF is available here.
PDF is available here.