The Benefits of Azopirillum Brasilense on Agricultural Growth Essay

The Benefits of Azopirillum Brasilense on Agricultural Growth Essay

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Azospirillum brasilense is a plant root-colonizing bacterium that exerts beneficial effects on the growth of agricultural crops (Lerner, Castro-Sowinski, Valverde, Lerner, Dror, Okon & Burdman, 2009). Azospirillum brasilense is routinely found in the plant rhizosphere of crop plants and agricultural lands as well as from grasses and cereals. It has a preference for plant roots instead of open soil. Polysaccharides of bacterium play an important role in its interactions with plant roots. It colonizes the surface of plant roots through attachment and anchoring. A. brasilense Sp7 carries several genes involved in synthesis and export of cell surface polysaccharides. Azospirillum fix the nitrogen in the soil and produces several vitamins and phytohormones to promote crop production. It has properties against the development of bacterial diseases or promoting disease resistance on rice crops (Lerner, Castro-Sowinski, Valverde, Lerner, Dror, Okon & Burdman, 2009).
The intense use of chemicals for the treatment of plant diseases leads to environmental and health risks. Biological control based on plant growth promoting bacteria is the most reasonable approach for the protection of crops against pathogens. Azospirillum brasilense fixes nitrogen in the soil and promotes the overall crop production. It promotes disease resistance on rice crops and the resistance against development of bacterial diseases. The development of chemical synthesis allows access to the required tetrasaccharide that natural sources are depended on (Mandal, Dhara & Misra, 2014).
Biological plant-growth promoting agents are becoming more of a method for improving crop production and minimize the hazards of chemical fertilities. The development of chemical syntheses ...

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...erde, Lerner, Dror, Okon & Burdman, 2009). Disruption of these genes caused Azospirillum brasilense Sp7 to not produce biofilms as effectively. The alterations in the mutants were affected by their altered lipopolysaccahrides and exopolysaccahrides to the wild type strain. Overall, these genes are involved in extracellular polysaccharide biosynthesis.
Overall, the synthesis of the tetrasaccahride as its 2-aminoethyl glycoside corresponded to the O-specific polysaccharide of the lipopolysaccharide of Azospirllum brasilense strain Sp7 was carried out to show why the development of chemical syntheses facilitated the access to this required tetrasaccahride. Following glycosylation, the use of thioglycosides both as a donor and acceptor reduced the number of steps. This plant growth promoting bacterium help to produce vitamins and hormones that promote crop production.

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