Results 11 to 20 of about 4,819 (173)

A critical role of an oxygen-responsive gene for aerobic nitrogenase activity in Azotobacter vinelandii and its application to Escherichia coli [PDF]

Scientific Reports, 2022
Since nitrogenase is irreversibly inactivated within a few minutes after exposure to oxygen, current studies on the heterologous expression of nitrogenase are limited to anaerobic conditions.
Ren Takimoto, Yuki Tatemichi, Wataru Aoki, Yuishin Kosaka, Hiroyoshi Minakuchi, Mitsuyoshi Ueda, Kouichi Kuroda   +6 more
doaj   +2 more sources

Efficiency of Azotobacter, on Growth of Wheat Plants and Its some Anatomical Characteristics [PDF]

Journal of Agricultural Chemistry and Biotechnology, 2023
Azotobacter chroococcum and Azotobacter vinelandii were isolated and purified from soil samples collected in El-Gharbia, (Qutor), Governorate. These Azotobacter isolates produced the hormones cytokinin, gibberellins and auxin.
H. El-zawawy, E. Abd El-aziz, A. El-Ghomary   +2 more
doaj   +1 more source

Optımızatıon of Condıtıons for the Productıon of Indole Acetıc Acıd by Azotobacter spp.

UMYU Journal of Microbiology Research, 2023
Azotobacter spp. are known for their ability to fix nitrogen into the soil non-symbiotically. Their activities can be enhanced through the provision of optimum cultural conditions. Hence, this study aimed to isolate Azotobacter spp.
Sule, I. O., Agbabiaka, T. O., Saliu, B. K., Ajijolakewu, K. A., Zakariyah, R. F.   +4 more
doaj   +1 more source

Structural analysis of the NifL-NifA complex reveals the molecular basis of anti-activation of nitrogen fixation gene expression in Azotobacter vinelandii. [PDF]

FEBS J
Understanding 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, Richardson J, Webster MW, Ghilarov D, Peters JW, Lawson DM, Dixon R.   +6 more
europepmc   +2 more sources

Systematyka i Analizy Genomiczne Bakterii z Rodzaju Azotobacter

Postępy Mikrobiologii, 2021
Bakterie z rodzaju Azotobacter są przedmiotem wielu badań prowadzonych zarówno w Polsce jak i za granicą. Zainteresowanie tą grupą bakterii w dużej mierze związane jest z ich właściwościami, które mogą być wykorzystywane w rolnictwie.
Kozieł Monika, Gałązka Anna
doaj   +1 more source

Plasmids of Azotobacter vinelandii [PDF]

Journal of Bacteriology, 1988
Four laboratory strains and two isolates of Azotobacter vinelandii were found to contain plasmids. Twenty-five laboratory strains which could fix nitrogen did not have free, covalently closed circular plasmid DNA. The plasmids varied in size from 9 to 52 megadaltons, and each strain yielded only one plasmid. No discernible differences in ability to fix
Maia, Mauricio, Sanchez, Juan M., Vela, G. Roland   +2 more
openaire   +2 more sources

Diauxic growth in Azotobacter vinelandii [PDF]

Journal of Bacteriology, 1985
Azotobacter vinelandii exhibited diauxie when grown in a medium containing both acetate and glucose as carbon sources. Acetate was used as the primary carbon source during the acetate-glucose diauxie. Uptake of acetate was constitutively expressed during both diauxic phases of growth. Induction of the glucose uptake system was inhibited in the presence
S E, George, C J, Costenbader, T, Melton
openaire   +2 more sources

Phospholipids of Azotobacter vinelandii [PDF]

Journal of Bacteriology, 1969
Analyses of resting cells of Azotobacter vinelandii revealed that numerous phospholipids were present that did not concentrate in the membranous R 3 fraction which carried out electron transport function.
P, Jurtshuk, B A, Schlech
openaire   +2 more sources

Ultrastructure of Azotobacter vinelandii [PDF]

Journal of Bacteriology, 1970
Vegetative cells and cysts of Azotobacter vinelandii 12837 were prepared for electron microscopy by several methods assumed to preserve structural details destroyed by techniques previously reported in the literature.
Vela, G. Roland, Cagle, Gerald D., Holmgren, P. R.   +2 more
openaire   +2 more sources

Multiple chromosomes of Azotobacter vinelandii [PDF]

Journal of Bacteriology, 1989
The number of copies of the genes leuB, nifH, nifD, and nifK per cell of Azotobacter vinelandii has been determined to be about 80. A beta-lactamase gene was integrated into the A. vinelandii chromosome by single-point crossover. Subsequently, we have been able to detect nearly 80 copies of this beta-lactamase gene per cell of A.
P, Nagpal, S, Jafri, M A, Reddy, H K, Das   +3 more
openaire   +2 more sources