Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFLA |
Texto Completo: | http://repositorio.ufla.br/jspui/handle/1/33412 |
Resumo: | Gliricidia (Gliricidia sepium) and sombreiro (Clitoria fairchildiana) have been recommended for agroforestry systems and reforestation of degraded areas due to their fast growth and symbiosis with rhizobia. However, little is known about native populations that nodulate these species. The objective of this study was to evaluate the phenotypic and genetic diversity of nitrogen-fixing bacteria isolated from nodules of gliricidia and sombreiro in alley cropping systems located in the pre-Amazon region of Maranhão State and to confirm their nodulation ability. Nodules were field collected from 20 plants of each species. The isolated strains were characterized morphologically, their 16S rRNA gene was partially sequenced, and their symbiotic ability was authenticated in siratro (Macroptilium atropurpureum). Despite being in the same climate and soil conditions, gliricidia and sombreiro are nodulated by different rhizobia genera, with Rhizobium predominant in gliricidia and Bradyrhizobium in sombreiro. Endophytic strains also colonized nodules in the field. Approximately 60% of Rhizobium strains did not nodulate siratro, whereas all Bradyrhizobium strains did. Native strains isolated from gliricidia nodules had low efficiency, and only four strains isolated from sombreiro nodules were efficient in siratro. These results highlight the importance of symbiotic relationships in the regulation of biological nitrogen fixation. |
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Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão StateSimbioses de rizóbios com Gliricidia sepium e Clitoria fairchildiana em um Oxisol na região da Pré-Amazônia do Estado do MaranhãoBradyrhizobiumReforestation of degraded areasNitrogen fixing bacteriaTree legumesAcid soilsReflorestamento de áreas degradadasBactérias fixadoras de nitrogênioLeguminosas arbóreasSolo ácidoGliricidia (Gliricidia sepium) and sombreiro (Clitoria fairchildiana) have been recommended for agroforestry systems and reforestation of degraded areas due to their fast growth and symbiosis with rhizobia. However, little is known about native populations that nodulate these species. The objective of this study was to evaluate the phenotypic and genetic diversity of nitrogen-fixing bacteria isolated from nodules of gliricidia and sombreiro in alley cropping systems located in the pre-Amazon region of Maranhão State and to confirm their nodulation ability. Nodules were field collected from 20 plants of each species. The isolated strains were characterized morphologically, their 16S rRNA gene was partially sequenced, and their symbiotic ability was authenticated in siratro (Macroptilium atropurpureum). Despite being in the same climate and soil conditions, gliricidia and sombreiro are nodulated by different rhizobia genera, with Rhizobium predominant in gliricidia and Bradyrhizobium in sombreiro. Endophytic strains also colonized nodules in the field. Approximately 60% of Rhizobium strains did not nodulate siratro, whereas all Bradyrhizobium strains did. Native strains isolated from gliricidia nodules had low efficiency, and only four strains isolated from sombreiro nodules were efficient in siratro. These results highlight the importance of symbiotic relationships in the regulation of biological nitrogen fixation.Gliricídia (Gliricidia sepium) e sombreiro (Clitoria fairchildiana) têm sido recomendadas para uso em sistemas agroflorestais e reflorestamento de áreas degradadas devido ao seu rápido crescimento e simbiose com rizóbios. No entanto, pouco é conhecido em relação às populações nativas que nodulam estas espécies. O objetivo deste estudo foi avaliar a diversidade genética e fenotípica das bactérias fixadoras de nitrogênio isoladas de nódulos de gliricídia e sombreiro em sistemas alley cropping localizados na região pré-Amazônica do Estado do Maranhão, e autenticar sua capacidade de nodulação. Foram realizados: coleta dos nódulos em campo, isolamento, caracterização cultural, sequenciamento parcial do gene 16S rRNA e autenticação da capacidade simbiótica das estirpes em siratro (Macroptilium atropurpureum). Apesar de estarem sob as mesmas condições edafoclimáticas, gliricídia e sombreiro são colonizados por distintos gêneros de rizóbios, com predominância de Rhizobium em gliricídia, e Bradyrhizobium em sombreiro. Estirpes endofíticas também foram encontradas colonizando os nódulos. Cerca de 60% das estirpes de Rhizobium não nodularam siratro e todas de Bradyrhizobium nodularam esta espécie. Todas as estirpes nativas isoladas de nódulos de gliricídia apresentaram baixa eficiência, e somente quatro de sombreiro foram eficientes em siratro. Estes resultados ressaltam a importância das relações simbióticas no manejo da fixação biológica de N2.Universidade Estadual de Maringá2019-04-01T16:07:07Z2019-04-01T16:07:07Z2018info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfCOELHO, K. P. et al. Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State. Acta Scientiarum. Agronomy, Maringá, v. 40, p. 1-9, 2018. DOI: http://dx.doi.org/10.4025/actasciagron.v40i1.35248.http://repositorio.ufla.br/jspui/handle/1/33412Acta Scientiarum. Agronomyreponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLAhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessCoelho, Katia PereiraRibeiro, Paula Rose de AlmeidaMoura, Emanoel Gomes deAguiar, Alana das Chagas FerreiraRodrigues, Tainara LouzadaMoreira, Fatima Maria de Souzaeng2022-09-12T21:48:04Zoai:localhost:1/33412Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2022-09-12T21:48:04Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false |
dc.title.none.fl_str_mv |
Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State Simbioses de rizóbios com Gliricidia sepium e Clitoria fairchildiana em um Oxisol na região da Pré-Amazônia do Estado do Maranhão |
title |
Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State |
spellingShingle |
Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State Coelho, Katia Pereira Bradyrhizobium Reforestation of degraded areas Nitrogen fixing bacteria Tree legumes Acid soils Reflorestamento de áreas degradadas Bactérias fixadoras de nitrogênio Leguminosas arbóreas Solo ácido |
title_short |
Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State |
title_full |
Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State |
title_fullStr |
Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State |
title_full_unstemmed |
Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State |
title_sort |
Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State |
author |
Coelho, Katia Pereira |
author_facet |
Coelho, Katia Pereira Ribeiro, Paula Rose de Almeida Moura, Emanoel Gomes de Aguiar, Alana das Chagas Ferreira Rodrigues, Tainara Louzada Moreira, Fatima Maria de Souza |
author_role |
author |
author2 |
Ribeiro, Paula Rose de Almeida Moura, Emanoel Gomes de Aguiar, Alana das Chagas Ferreira Rodrigues, Tainara Louzada Moreira, Fatima Maria de Souza |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Coelho, Katia Pereira Ribeiro, Paula Rose de Almeida Moura, Emanoel Gomes de Aguiar, Alana das Chagas Ferreira Rodrigues, Tainara Louzada Moreira, Fatima Maria de Souza |
dc.subject.por.fl_str_mv |
Bradyrhizobium Reforestation of degraded areas Nitrogen fixing bacteria Tree legumes Acid soils Reflorestamento de áreas degradadas Bactérias fixadoras de nitrogênio Leguminosas arbóreas Solo ácido |
topic |
Bradyrhizobium Reforestation of degraded areas Nitrogen fixing bacteria Tree legumes Acid soils Reflorestamento de áreas degradadas Bactérias fixadoras de nitrogênio Leguminosas arbóreas Solo ácido |
description |
Gliricidia (Gliricidia sepium) and sombreiro (Clitoria fairchildiana) have been recommended for agroforestry systems and reforestation of degraded areas due to their fast growth and symbiosis with rhizobia. However, little is known about native populations that nodulate these species. The objective of this study was to evaluate the phenotypic and genetic diversity of nitrogen-fixing bacteria isolated from nodules of gliricidia and sombreiro in alley cropping systems located in the pre-Amazon region of Maranhão State and to confirm their nodulation ability. Nodules were field collected from 20 plants of each species. The isolated strains were characterized morphologically, their 16S rRNA gene was partially sequenced, and their symbiotic ability was authenticated in siratro (Macroptilium atropurpureum). Despite being in the same climate and soil conditions, gliricidia and sombreiro are nodulated by different rhizobia genera, with Rhizobium predominant in gliricidia and Bradyrhizobium in sombreiro. Endophytic strains also colonized nodules in the field. Approximately 60% of Rhizobium strains did not nodulate siratro, whereas all Bradyrhizobium strains did. Native strains isolated from gliricidia nodules had low efficiency, and only four strains isolated from sombreiro nodules were efficient in siratro. These results highlight the importance of symbiotic relationships in the regulation of biological nitrogen fixation. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018 2019-04-01T16:07:07Z 2019-04-01T16:07:07Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
COELHO, K. P. et al. Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State. Acta Scientiarum. Agronomy, Maringá, v. 40, p. 1-9, 2018. DOI: http://dx.doi.org/10.4025/actasciagron.v40i1.35248. http://repositorio.ufla.br/jspui/handle/1/33412 |
identifier_str_mv |
COELHO, K. P. et al. Symbiosis of rhizobia with Gliricidia sepium and Clitoria fairchildiana in an Oxisol in the pre-Amazon region of Maranhão State. Acta Scientiarum. Agronomy, Maringá, v. 40, p. 1-9, 2018. DOI: http://dx.doi.org/10.4025/actasciagron.v40i1.35248. |
url |
http://repositorio.ufla.br/jspui/handle/1/33412 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by/4.0/ |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual de Maringá |
publisher.none.fl_str_mv |
Universidade Estadual de Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Agronomy reponame:Repositório Institucional da UFLA instname:Universidade Federal de Lavras (UFLA) instacron:UFLA |
instname_str |
Universidade Federal de Lavras (UFLA) |
instacron_str |
UFLA |
institution |
UFLA |
reponame_str |
Repositório Institucional da UFLA |
collection |
Repositório Institucional da UFLA |
repository.name.fl_str_mv |
Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA) |
repository.mail.fl_str_mv |
nivaldo@ufla.br || repositorio.biblioteca@ufla.br |
_version_ |
1807835208622276608 |