Results 31 to 40 of about 12,621 (206)

Substitutions in the redox-sensing PAS domain of the NifL regulatory protein define an inter-subunit pathway for redox signal transmission [PDF]

open access: yes, 2011
The Per-ARNT-Sim (PAS) domain is a conserved a/ß fold present within a plethora of signalling proteins from all kingdoms of life. PAS domains are often dimeric and act as versatile sensory and interaction modules to propagate environmental signals to ...
Ayers   +34 more
core   +1 more source

Negative Cooperativity in the Nitrogenase Fe Protein Electron Delivery Cycle [PDF]

open access: yes, 2016
Nitrogenase catalyzes the ATP-dependent reduction of dinitrogen (N2) to two ammonia (NH3) molecules through the participation of its two protein components, the MoFe and Fe proteins.
Antony, Edwin   +11 more
core   +2 more sources

Electron Transfer Precedes ATP Hydrolysis during Nitrogenase Catalysis [PDF]

open access: yes, 2013
The biological reduction of N2 to NH3 catalyzed by Mo-dependent nitrogenase requires at least eight rounds of a complex cycle of events associated with ATP-driven electron transfer (ET) from the Fe protein to the catalytic MoFe protein, with each ET ...
Antony, Edwin   +7 more
core   +2 more sources

Caracterización y evaluación de PGPRs sobre el crecimiento de plántulas de Dioscorea rotundata in vitro

open access: yesAgronomía Costarricense, 2018
El objetivo de esta investigación fue aislar y caracterizar rizobacterias promotoras de crecimiento vegetal (PGPRs, por sus siglas en inglés) nativas de la rizosfera en cultivos de Dioscorea rotundata de zonas productoras representativas del Caribe ...
Diana Beatriz Sánchez López   +1 more
doaj   +1 more source

Induction and ultrastructure for cysts of Azotobacter

open access: yes浙江大学学报. 农业与生命科学版, 2001
Within 5 days of induction with n-butanol medium, 98%vegetative cells of Azotobacter vinelandii gave rise to cysts. 91% vegetative cells of Azotobacter chroococcus were converted to cysts. The cysts were spheroids or elliptical whose axe is 1.2 pm to 1.5
JIA Xiao-ming, HONG Jian
doaj   +1 more source

The rhodanese RhdA helps Azotobacter vinelandii in maintaining cellular redox balance [PDF]

open access: yes, 2010
The tandem domain rhodanese-homology protein RhdA of Azotobacter vinelandii shows an active-site loop structure that confers structural peculiarity in the environment of its catalytic cysteine residue.
Anderson A.J.   +5 more
core   +2 more sources

EXTRACELLULAR POLYSACCHARIDES OF AZOTOBACTER VINELANDII [PDF]

open access: yesJournal of Bacteriology, 1964
Cohen, Gary H. (University of Vermont, Burlington), and Donald B. Johnstone . Extracellular polysaccharides of Azotobacter vinelandii . J. Bacteriol. 88: 329–338. 1964.—Extracellular polysaccharides synthetized by Azotobacter vinelandii
G H, COHEN, D B, JOHNSTONE
openaire   +2 more sources

Electrochemical and Structural Characterization of Azotobacter vinelandii Flavodoxin II [PDF]

open access: yes, 2017
Azotobacter vinelandii flavodoxin II serves as a physiological reductant of nitrogenase, the enzyme system mediating biological nitrogen fixation. Wildtype A. vinelandii flavodoxin II was electrochemically and crystallographically characterized to better
Hill, Michael G.   +4 more
core   +2 more sources

Plasmid Transformation of Azotobacter vinelandii OP [PDF]

open access: yesMicrobiology, 1987
Azotobacter vinelandii OP which had been naturally induced to competence by growth in iron- and molybdenum-limited medium was transformed with the broad-host-range cloning vector pKT210. However, the transformation frequency at nearly saturating levels of DNA was 1000-fold lower for pKT210 than for a single chromosomal DNA marker (nif+).
J L, Doran   +4 more
openaire   +2 more sources

Effects of field inoculation with VAM and bacteria consortia on root growth and nutrients uptake in common wheat [PDF]

open access: yes, 2018
This study investigated the effects of a commercial biofertilizer containing the mycorrhizal fungus Rhizophagus irregularis and the diazotrophic N-fixing bacterium Azotobacter vinelandii on root and shoot growth, yield, and nutrient uptake in common ...
Barion, Giuseppe   +6 more
core   +2 more sources

Home - About - Disclaimer - Privacy