Silvia Marqués
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View article: Isolation and Characterization of Cellulose Nanocrystals from Bacterial Cellulose Synthesized via Ancylobacter sp. STN1A Using Residual Glycerol
Isolation and Characterization of Cellulose Nanocrystals from Bacterial Cellulose Synthesized via Ancylobacter sp. STN1A Using Residual Glycerol Open
Given the growing interest in the functional properties of nanocellulosic forms, bacterial cellulose nanocrystals (BCNCs) have gained attention as sustainable, high-performance materials for diverse applications. Although recent research h…
View article: Spontaneous loss of quorum sensing control selects a new high cellulose producing Ancylobacter strain
Spontaneous loss of quorum sensing control selects a new high cellulose producing Ancylobacter strain Open
In recent years the number of non-Acetobacteraceae strains shown to produce nanofibrillar cellulose at the levels of the known Acetobacteraceae producers has increased considerably. The Ancylobacter sp. STN1B isolate capable of cellulose p…
View article: P-1261. Phamacokinetic Model of Oral Minocycline in Critically Ill Adult Patients with <i>Acinetobacter baumannii</i> Infection
P-1261. Phamacokinetic Model of Oral Minocycline in Critically Ill Adult Patients with <i>Acinetobacter baumannii</i> Infection Open
Background Minocycline has made a comeback in the drug armamentarium as a treatment option for infections due to Acinetobacter baumannii. Although, it has been launched in the 1960s, scarce pharmacokinetic studies have been published. This…
View article: Killer cell immunoglobulin-like receptor (KIR) genes and their HLA ligands in a Brazilian population
Killer cell immunoglobulin-like receptor (KIR) genes and their HLA ligands in a Brazilian population Open
Killer cell immunoglobulin-like receptors (KIR) exhibit extensive diversity, giving rise to different KIR profiles in populations worldwide. This study aimed to investigate the distribution of KIR genes and HLA ligands in a population from…
View article: Subtle sequence differences between two interacting σ <sup>54</sup> ‐dependent regulators lead to different activation mechanisms
Subtle sequence differences between two interacting σ <sup>54</sup> ‐dependent regulators lead to different activation mechanisms Open
In the strictly anaerobic nitrate reducing bacterium Aromatoleum anaerobium , degradation of 1,3‐dihydroxybenzene (1,3‐DHB, resorcinol) is controlled by two bacterial enhancer‐binding proteins (bEBPs), RedR1 and RedR2, which regulate the t…
View article: Highly mercury-resistant strains from different Colombian Amazon ecosystems affected by artisanal gold mining activities
Highly mercury-resistant strains from different Colombian Amazon ecosystems affected by artisanal gold mining activities Open
Two sites of the Colombian Amazon region with different levels of human intervention and mercury pollution were selected for the collection of samples of river and lake water, sediments, and associated forest soils. The Tarapacá region, af…
View article: Erratum for Pacheco-Sánchez et al., “DbdR, a New Member of the LysR Family of Transcriptional Regulators, Coordinately Controls Four Promoters in the Thauera aromatica AR-1 3,5-Dihydroxybenzoate Anaerobic Degradation Pathway”
Erratum for Pacheco-Sánchez et al., “DbdR, a New Member of the LysR Family of Transcriptional Regulators, Coordinately Controls Four Promoters in the Thauera aromatica AR-1 3,5-Dihydroxybenzoate Anaerobic Degradation Pathway” Open
Volume 85, no. 2, e02295-18, 2019, https://doi.org/10.1128/AEM.02295-18. Page 17, Acknowledgments, lines 2 and 3: “… and Ministry of Economy and Competitiveness (BIO2014-54361-R)” should read “and the Spanish Ministry of Economy and Compet…
View article: Bacterial nanocellulose production from naphthalene
Bacterial nanocellulose production from naphthalene Open
Summary Polycyclic aromatic compounds ( PAH s) are toxic compounds that are released in the environment as a consequence of industrial activities. The restoration of PAH ‐polluted sites considers the use of bacteria capable of degrading ar…
View article: DbdR, a New Member of the LysR Family of Transcriptional Regulators, Coordinately Controls Four Promoters in the Thauera aromatica AR-1 3,5-Dihydroxybenzoate Anaerobic Degradation Pathway
DbdR, a New Member of the LysR Family of Transcriptional Regulators, Coordinately Controls Four Promoters in the Thauera aromatica AR-1 3,5-Dihydroxybenzoate Anaerobic Degradation Pathway Open
Thauera aromatica AR-1 is a facultative anaerobe that is able to use 3,5-dihydroxybenzoat (3,5-DHB) as the sole carbon and energy source in a process that is dependent on nitrate respiration. We have shown that a single LysR-type regulator…
View article: Naphthalene biodegradation under oxygen‐limiting conditions: community dynamics and the relevance of biofilm‐forming capacity
Naphthalene biodegradation under oxygen‐limiting conditions: community dynamics and the relevance of biofilm‐forming capacity Open
Summary Toxic polycyclic aromatic hydrocarbons ( PAH s) are frequently released into the environment from anthropogenic sources. PAH remediation strategies focus on biological processes mediated by bacteria. The availability of oxygen in p…
View article: The Azoarcus anaerobius 1,3-Dihydroxybenzene (Resorcinol) Anaerobic Degradation Pathway Is Controlled by the Coordinated Activity of Two Enhancer-Binding Proteins
The Azoarcus anaerobius 1,3-Dihydroxybenzene (Resorcinol) Anaerobic Degradation Pathway Is Controlled by the Coordinated Activity of Two Enhancer-Binding Proteins Open
The anaerobic resorcinol degradation pathway in Azoarcus anaerobius is unique in that it uses an oxidative rather than a reductive strategy to overcome the aromatic ring stability in degradation of this compound, in a process that is depen…
View article: Polycyclic Aromatic Hydrocarbon-Induced Changes in Bacterial Community Structure under Anoxic Nitrate Reducing Conditions
Polycyclic Aromatic Hydrocarbon-Induced Changes in Bacterial Community Structure under Anoxic Nitrate Reducing Conditions Open
Although bacterial anaerobic degradation of mono-aromatic compounds has been characterized in depth, the degradation of polycyclic aromatic hydrocarbons (PAHs) such as naphthalene has only started to be understood in sulfate reducing bacte…
View article: Identification of the Gene Cluster for the Anaerobic Degradation of 3,5-Dihydroxybenzoate (α-Resorcylate) in Thauera aromatica Strain AR-1
Identification of the Gene Cluster for the Anaerobic Degradation of 3,5-Dihydroxybenzoate (α-Resorcylate) in Thauera aromatica Strain AR-1 Open
Thauera aromatica strain AR-1 degrades 3,5-dihydroxybenzoate (3,5-DHB) with nitrate as an electron acceptor. Previous biochemical studies have shown that this strain converts 3,5-DHB to hydroxyhydroquinone (1,2,4-trihydroxybenzene) through…