Los beneficios del uso de bacterias benéficas en la agricultura son numerosos, entre ellos, ayuda a mejorar el rendimiento los cultivos, inhibe desarrollo fitopatógenos, induce respuestas defensivas las plantas y aumentan su protección contra microorganismos, etc. El principal objetivo esta investigación fue evaluar efecto diferentes concentraciones bacterianas Azotobacter sp Azospirillum brasi...

Azospirillum represents the best characterized genus of plant growth-promoting rhizobacteria. Other free-living diazotrophs repeatedly detected in association with plant roots, include Acetobacter diazotrophicus, Herbaspirillum seropedicae, Azoarcus spp. and Azotobacter. Four aspects of the Azospirillum-plant root interaction are highlighted: natural habitat, plant root interaction, nitrogen fi...

A implantação de pastagens pode ser favorecida por estratégias que combinem métodos convencionais cultivo com a inoculação microrganismos promotores crescimento plantas, como rizobactéria Azospirillum brasilense, são capazes melhorar o estado nutricional das plantas através vários mecanismos, incluindo solubilização fosfatos e fixação biológica nitrogênio, isso, reduzir necessidade aplicação fe...

A major 30.5-kb cluster of nif and associated genes of Acetobacter diazotrophicus (syn. Gluconacetobacter diazotrophicus), a nitrogen-fixing endophyte of sugarcane, was sequenced and analyzed. This cluster represents the largest assembly of contiguous nif-fix and associated genes so far characterized in any diazotrophic bacterial species. Northern blots and promoter sequence analysis indicated ...

The use of fungicides to control agricultural diseases has been increasing in agriculture. Thus, the biological using fungus is an effective tool integrated management. This study aimed evaluate compatibility Certeza, Apron and Vitavax on microorganisms Trichoderma asperelloides Azospirillum brasilense. experiments were conducted vitro a completely randomized design with factorial arrangement 2...

Disruption of an open reading frame (ORF) of 840 bp (280 amino acids; ORF280) in an Azospirillum brasilense Tn5 mutant resulted in a pleiotrophic phenotype. Besides an enhanced N(2)-fixing capacity and altered expression pattern of a nifH-gusA fusion, growth on the charged polar amino acids glutamate and arginine was severely affected. ORF280, similar to previously identified ORFs present in Br...