Results 171 to 180 of about 13,036 (218)

Produção de forragem de Brachiaria brizantha cv. Marandu inoculada com Azospirillum brasilense: resultados parciais. [PDF]

, 2015
FARIA, L. de A., MARTINI, G. M., MORIMOTO, T. K., OLIVEIRA, P. P. A., ROCHA, C. O., SCHALCH, F. J.   +5 more
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Tecnologia de coinoculação da soja com Bradyrhizobium e Azospirillum: incrementos no rendimento com sustentabilidade e baixo custo. [PDF]

, 2013
ARAUJO, R. S., HUNGRIA, M., NOGUEIRA, M. A.   +2 more
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Characterization of Azospirillum brasilense Lipopolysaccharides

Mikrobiolohichnyi Zhurnal, 2022
Azospirillum brasilense is a gram-negative, nitrogen-fixing bacterium that colonizes the rhizosphere of various types of grasses and cereals. Lipopolysaccharides (LPS) are a class of complex glycolipids present in the cell membrane of gramnegative bacteria and mediate plant-bacteria interactions. Although the effects of LPS of pathogenic plant bacteria
T.V. Bulyhina, L.D. Varbanest
openaire   +1 more source

Polyhydroxybutyrate in Azospirillum brasilense

2015
Polyhydroxybutyrate (PHB) is a polyhydroxyalkanoate produced by several bacteria as carbon storage and reductive equivalents sink. The production of PHB has been reported for several plant-associated bacteria, and especially in Azospirillum brasilense, the production of PHB has been associated as a factor for stress endurance.
Marcelo Müller-Santos, Emanuel Maltempi de Souza, Fabio de Oliveira Pedrosa, Leda Satie Chubatsu   +3 more
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Mutation in Azospirillum Brasilense

1985
In order to study mutation frequencies in A. brasilense two selective systems, i. e. resistance to 5-Fluorotryptophan and to Rifampicin, were set up. The rate of mutation in this organism after treatments with several mutagens has been investigated.
M. Maddalena Del Gallo, GRATANI, Loretta, G. Morpurgo   +2 more
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Mechanistic studies on Azospirillum brasilense glutamate synthase

Biochemistry, 1991
The reaction mechanism of Azospirillum brasilense glutamate synthase has been investigated by several approaches. 15N nuclear magnetic resonance studies demonstrate that the amide nitrogen of glutamine is reductively transferred to 2-oxoglutarate in an irreversible manner with no release of the transferred ammonia group into the medium.
M A, Vanoni, D E, Edmondson, M, Rescigno, G, Zanetti, B, Curti   +4 more
openaire   +2 more sources

Atypical R–S Dissociation in Azospirillum brasilense

Microbiology, 2003
It was found that atypical R-S dissociation in the type strain A. brasilense Sp7 is not accompanied by drastic changes in the carbohydrate moieties of bacterial lipopolysaccharides but is rather due to different contributions of two O-specific polysaccharides (found in both R and S dissociants) to the age-dependent architectonics of the cell surface.
L Iu, Matora, O B, Serebrennikova, L P, Petrova, G L, Burygin, S Iu, Shchegolev   +4 more
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Biosynthesis of gold nanoparticles by Azospirillum brasilense

Microbiology, 2013
Plant-associated nitrogen-fixing soil bacteria Azospirillum brasilense were shown to reduce the gold of chloroauric acid to elemental gold, resulting in formation of gold nanoparicles. Extracellular phenoloxidizing enzymes (laccases and Mn peroxidases) were shown to participate in reduction of Au+3 (HAuCl4) to Au(0).
M A, Kupriashina, E P, Vetchinkina, A M, Burov, E G, Ponomareva, V E, Nikitina   +4 more
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Polysaccharide synthesis in Azospirillum brasilense

1995
The surface of bacteria consists of polysaccharides, like the exopolysaccharides and lipopolysaccharides and, as it is the case for Azospirillum brasilense, glycoproteins like glycosylated flagella. The precursors for the synthesis of polysaccharides are sugarnucleotides.
Paul De Troch, Daniel J. Petersen, Jos Vanderleyden   +2 more
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Cell Ultrastructure in Azospirillum brasilense Biofilms

Microbiology, 2020
Due to the primary localization of both epiphytic and endophytic plant growth-promoting rhizobacteria on the surface of the plant root system, biofilm formation is an adaptive trait for these microorganisms. Under conditions of nitrogen limitation in liquid media, nitrogen-fixing Azospirillum brasilense strains switch mainly to the biofilm mode of ...
A. V. Shelud’ko, D. I. Mokeev, S. S. Evstigneeva, Yu. A. Filip’echeva, A. M. Burov, L. P. Petrova, E. G. Ponomareva, E. I. Katsy   +7 more
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