Results 81 to 90 of about 4,819 (173)

Genetic and Biochemical Analysis of the Azotobacter vinelandii Molybdenum Storage Protein

open access: yesFrontiers in Microbiology, 2019
The N2 fixing bacterium Azotobacter vinelandii carries a molybdenum storage protein, referred to as MoSto, able to bind 25-fold more Mo than needed for maximum activity of its Mo nitrogenase.
Mónica Navarro-Rodríguez   +2 more
doaj   +1 more source

Size-dependent cytotoxicity of silver nanoparticles to Azotobacter vinelandii: Growth inhibition, cell injury, oxidative stress and internalization.

open access: yesPLoS ONE, 2018
The influence of nanomaterials on the ecological environment is becoming an increasingly hot research field, and many researchers are exploring the mechanisms of nanomaterial toxicity on microorganisms.
Li Zhang   +3 more
doaj   +1 more source

Alginate Biosynthesis in Azotobacter vinelandii: Overview of Molecular Mechanisms in Connection with the Oxygen Availability

open access: yesInternational Journal of Polymer Science, 2016
The Gram-negative bacterium Azotobacter vinelandii can synthetize the biopolymer alginate that has material properties appropriate for plenty of applications in industry as well as in medicine.
Ivette Pacheco-Leyva   +2 more
doaj   +1 more source

Evaluación de la asociación bacterias fijadoras de nitrógeno - líneas interespecíficas de arroz-nitrógeno, en Typic haplustalf. Ibagué, Colombia

open access: yesActa Agronómica, 2008
El estudio se llevó a cabo en la hacienda Cauchitos, municipio de Ibagué, departamento del Tolima (Norte 4° 23' 51" y Oeste 75° 9' 7", 979 msnm, 24.3°C, bosque seco tropical (bs-T), con el objetivo de evaluar las asociaciones entre bacterias fijadoras de
Margarita M Vallejo   +2 more
doaj  

The Protective Effect of Conjugated Bacterial Melanin with Titanium Oxide against UV

open access: yesMajallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Īlām, 2018
Introduction: Some Azotobacter species can produce melanin. Melanin protects against UV. The purpose of this study was to isolate Azotobacter with the power of producing melanin and optimize its production and the effect of its combination with titanium ...
Seyyed Ali Rezaie   +3 more
doaj  

Genetic Determinants of Ammonium Excretion in nifL Mutants of Azotobacter vinelandii. [PDF]

open access: yesAppl Environ Microbiol, 2022
Mus F   +6 more
europepmc   +1 more source

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