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Pectic enzymes of Azospirillum brasilense [PDF]
, 1991 The production and activity of pectic enzymes elaborated by Azospirillum brasilense (strain C.A. 10), a diazotroph isolated from the rhizosphere of rice (Oryza sativa L.), was studied as this organism is known to enter through the middle lamella to colonize the histosphere of rice roots.
N. N. Prasad, C. Sekar
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Genetics and molecular biology of Azospirillum
Biology and Fertility of Soils, 1999Genetic manipulation of Azospirillum spp. has facilitated a better understanding of the mode of action of this plant-growth promoting bacterium and should help to improve its ability to stimulate plant growth and development. This review considers and discusses Agospirillum plasmids, promoter sequences, the isolation of Azospirillum mutants, the ...
Gina Holguin +2 more
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Azospirillum and Wheat Production
2017This review aims to elucidate the actual effect of Azospirillum spp. on wheat production under field condition and represent methods by which it can enhance the beneficial effect of Azospirillum on wheat. The bacterial genus Azospirillum is well known as a plant growth-promoting bacteria (PGPR).
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Nif and Nod Genes in Azospirillum
1991Azospirillum can fix nitrogen under free-living conditions or in association with grasses. Genetics of nitrogen fixation was initiated in A. brasilense Sp7. A 30 kb DNA region containing nifHDK, the structural genes for nitrogenase, nifE, nifUS, and fixABC has been analyzed. DNA regions containing nifA-nifB and ntrC have been cloned.
Frédéric Delorme +6 more
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Mobilization of Cryptic Plasmids in Azospirillum
1988In order to facilitate the identification and manipulation of plasmids in Azospirillum we attempted to mark them by insertion of the kananycin-resistant transposon TnS. Plasmids pACYC184::Tn5-Mob and pBR322::Tn5 were used to introduce Tn5 into A. brasilense Sp7.
L. Piana +3 more
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Polysaccharide synthesis in Azospirillum brasilense
1995The 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 +2 more
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Crop Responses to Azospirillum Inoculation
1990Following the first reports of an Azospirillum—plant association over the last decade, there has been considerable interest in the use of Azospirillum species as nitrogen-fixing bacteria in association with the roots of monocotyledonous plants, particularly grasses and grain crops.
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Azospirillum as a potential inoculant for agriculture
Trends in Biotechnology, 1985Abstract Azospirillum sp. contribute to increased yields of cereal and forage grasses by improving root development in properly colonized roots, increasing the rate of water and mineral uptake from the soil, and by biological nitrogen fixation.
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Azospirillum-Plant Interaction
2014International ...
Wisniewski-Dye, Florence +2 more
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Azospirillum: A Biofertilizer for Every Crop
2014Azospirillum is known for its nitrogen-fixing and phytohormone production ability. It is one of very well-studied plant growth-promoting rhizobacteria, at lab scale to field. None of its species or strain is reported as human or plant pathogen. It is considered as safest bacteria which can be used as a biofertilizer at commercial level for several ...
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