Iron Homeostasis in Azotobacter vinelandii [PDF]
Biology, 2023 Iron is an essential nutrient for all life forms. Specialized mechanisms exist in bacteria to ensure iron uptake and its delivery to key enzymes within the cell, while preventing toxicity.
Elena Rosa-Núñez +6 more
doaj +5 more sources
Regulatory response to a hybrid ancestral nitrogenase in Azotobacter vinelandii [PDF]
Microbiology Spectrum, 2023 Biological nitrogen fixation, the microbial reduction of atmospheric nitrogen to bioavailable ammonia, represents both a major limitation on biological productivity and a highly desirable engineering target for synthetic biology. However, the engineering
Kevin S Myers +2 more
exaly +4 more sources
Advances in alginate biosynthesis: regulation and production in Azotobacter vinelandii [PDF]
Frontiers in Bioengineering and BiotechnologyAlginates are polysaccharides composed of (1–4)-β-D-mannuronic acid (M) and α-L-guluronic acid (G), whose proportions influence their rheological properties and a wide range of applications in the food, pharmaceutical, and biomedical industries ...
Belén Ponce +5 more
doaj +2 more sources
The Azotobacter vinelandii AlgU regulon during vegetative growth and encysting conditions: A proteomic approach. [PDF]
PLoS ONE, 2023 In the Pseduomonadacea family, the extracytoplasmic function sigma factor AlgU is crucial to withstand adverse conditions. Azotobacter vinelandii, a closed relative of Pseudomonas aeruginosa, has been a model for cellular differentiation in Gram-negative
Sangita Chowdhury-Paul +6 more
doaj +2 more sources
Phasins PhbP2 and PhbP3 Are Involved in the Depolymerization of Polyhydroxybutyrate in Azotobacter vinelandii. [PDF]
J Basic MicrobiolABSTRACT Polyhydroxybutyrate (PHB) is a natural polyester synthesized and stored intracellularly as cytoplasmic granules, serving as a carbon and energy reserve in certain bacteria. These granules are surrounded by a variety of proteins, including those directly involved in PHB metabolism—both in its synthesis and degradation—as well as a group of non ...
Ruiz-Escobedo J +8 more
europepmc +2 more sources
Growth, respiratory activity and chlorpyrifos biodegradation in cultures of Azotobacter vinelandii ATCC 12837 [PDF]
AMB Express, 2021 This study aimed to evaluate the growth, respiratory activity, and biodegradation of chlorpyrifos in cultures of Azotobacter vinelandii ATCC 12837. A strategy based on the modification of culture media and aeration conditions was carried out to increase ...
Victoria Conde-Avila +8 more
doaj +2 more sources
Structural analysis of the NifL-NifA complex reveals the molecular basis of anti-activation of nitrogen fixation gene expression in Azotobacter vinelandii. [PDF]
FEBS JUnderstanding the molecular basis of nitrogen fixation is essential for engineering bacteria that fulfill the nitrogen demand of crop plants, reducing our reliance on synthetic nitrogen fertilizers. The bacterial two‐component system comprising the anti‐activator protein (NifL) and the Nif‐specific transcriptional activator (NifA) controls the nitrogen
Bueno Batista M +6 more
europepmc +2 more sources
Evaluation of Organic Substrates and Microorganisms as Bio-Fertilisation Tool in Container Crop Production [PDF]
Agronomy, 2019 Microorganisms are only effective when adequate conditions for their survival and development are provided. Among the factors that influence its effectiveness includes the type of soil or culture substrate, which works as an energy source reserve ...
Jose Luis Ruiz, Maria del Carmen Salas
doaj +4 more sources
Precision control of ammonium release in Azotobacter vinelandii [PDF]
Microbial BiotechnologyThe capture and reduction of atmospheric dinitrogen gas to ammonium can be accomplished through the enzyme nitrogenase in a process known as biological nitrogen fixation (BNF), by a class of microbes known as diazotrophs.
Brett M. Barney, Benjamin R. Dietz
doaj +2 more sources
Direct production of polyhydroxybutyrate and alginate from crude glycerol by Azotobacter vinelandii using atmospheric nitrogen [PDF]
Scientific Reports, 2022 While biodiesel is drawing attention as an eco-friendly fuel, the use of crude glycerol, a byproduct of the fuel production process, has increasingly become a concern to be addressed.
Nobuhiro Yoshida +4 more
doaj +2 more sources