History on the biological nitrogen fixation research in graminaceous plants: special emphasis on the Brazilian experience
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| Format: | Artículo científico |
| Language: | en |
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Academia Brasileira de Ciências
2005
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| author | José I. Baldani |
| author_facet | José I. Baldani |
| contents | History on the biological nitrogen fixation research in graminaceous plants: special emphasis on the Brazilian experience José I. Baldani Vera L.D. Baldani Multidisciplinaria (Ciencias Naturales y Exactas) semi solid N cereals diazotrophs free medium This review covers the history on Biological Nitrogen Fixation (BNF) in Graminaceous plants grown inBrazil, and describes research progress made over the last 40 years, most of whichwas coordinated by JohannaDöbereiner. One notable accomplishment during this period was the discovery of several nitrogen-fixing bacteriasuch as the rhizospheric (Beijerinckia fluminensis and Azotobacter paspali), associative (Azospirillumlipoferum, A. brasilense, A. amazonense) and the endophytic (Herbaspirillum seropedicae, H. rubrisubalbicans,Gluconacetobacter diazotrophicus, Burkholderia brasilensis and B. tropica). The role of thesediazotrophs in association with grasses, mainly with cereal plants, has been studied and a lot of progresshas been achieved in the ecological, physiological, biochemical, and genetic aspects. The mechanisms ofcolonization and infection of the plant tissues are better understood, and the BNF contribution to the soil/plantsystem has been determined. Inoculation studies with diazotrophs showed that endophytic bacteria have amuch higher BNF contribution potential than associative diazotrophs. In addition, it was found that theplant genotype influences the plant/bacteria association. Recent data suggest that more studies should beconducted on the endophytic association to strengthen the BNF potential. The ongoing genome sequencingprograms: RIOGENE (Gluconacetobacter diazotrophicus) and GENOPAR (Herbaspirillum seropedicae)reflect the commitment to the BNF study in Brazil and should allow the country to continue in the forefrontof research related to the BNF process in Graminaceous plants. 2005 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32777314 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.3 Vol.77 |
| format | Artículo científico |
| id | redalyc_32777314 |
| institution | Redalyc |
| language | en |
| publishDate | 2005 |
| publisher | Academia Brasileira de Ciências |
| spellingShingle | History on the biological nitrogen fixation research in graminaceous plants: special emphasis on the Brazilian experience José I. Baldani Multidisciplinaria (Ciencias Naturales y Exactas) semi solid N cereals diazotrophs free medium History on the biological nitrogen fixation research in graminaceous plants: special emphasis on the Brazilian experience José I. Baldani Vera L.D. Baldani Multidisciplinaria (Ciencias Naturales y Exactas) semi solid N cereals diazotrophs free medium This review covers the history on Biological Nitrogen Fixation (BNF) in Graminaceous plants grown inBrazil, and describes research progress made over the last 40 years, most of whichwas coordinated by JohannaDöbereiner. One notable accomplishment during this period was the discovery of several nitrogen-fixing bacteriasuch as the rhizospheric (Beijerinckia fluminensis and Azotobacter paspali), associative (Azospirillumlipoferum, A. brasilense, A. amazonense) and the endophytic (Herbaspirillum seropedicae, H. rubrisubalbicans,Gluconacetobacter diazotrophicus, Burkholderia brasilensis and B. tropica). The role of thesediazotrophs in association with grasses, mainly with cereal plants, has been studied and a lot of progresshas been achieved in the ecological, physiological, biochemical, and genetic aspects. The mechanisms ofcolonization and infection of the plant tissues are better understood, and the BNF contribution to the soil/plantsystem has been determined. Inoculation studies with diazotrophs showed that endophytic bacteria have amuch higher BNF contribution potential than associative diazotrophs. In addition, it was found that theplant genotype influences the plant/bacteria association. Recent data suggest that more studies should beconducted on the endophytic association to strengthen the BNF potential. The ongoing genome sequencingprograms: RIOGENE (Gluconacetobacter diazotrophicus) and GENOPAR (Herbaspirillum seropedicae)reflect the commitment to the BNF study in Brazil and should allow the country to continue in the forefrontof research related to the BNF process in Graminaceous plants. 2005 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32777314 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.3 Vol.77 |
| title | History on the biological nitrogen fixation research in graminaceous plants: special emphasis on the Brazilian experience |
| topic | Multidisciplinaria (Ciencias Naturales y Exactas) semi solid N cereals diazotrophs free medium |
| url | https://www.redalyc.org/articulo.oa?id=32777314 |