Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian states

Detalhes bibliográficos
Autor(a) principal: Teixeira, Manoel Araújo
Data de Publicação: 2007
Outros Autores: Melo, Itamar Soares de, Vieira, Rosana Faria, Costa, Francisco Eduardo Carvalho, Harakava, Ricardo
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/7533
Resumo: The aim of this work was to perform a survey of the diversity of endophytic microorganisms in cassava (Manihot esculenta Crantz) collected from commercial plantings, in the State of São Paulo, and inethnovarieties collected in the States of Amazonas and Bahia, and also, to evaluate its potential of biological nitrogen fixation, and to produce indolacetic acid. In those States, 47 species of 27 genera were identified. Bacillus spp. was the most frequently found in all sampled regions. In Amazonas State, it was found the higher diversity of endophytic microorganisms. PCR amplifications of the nifH gene were evaluated in species of γ-Proteobacteria subgroup. IAA production was found in microorganisms isolated in cassava grown in all sampled States and belonged to the following subgroups: γ-Proteobacteria, β-Proteobacteria, Bacilli and Actinobacteria. In cassava, the occurrence of endophytic bacteria, with N-fixing and in vitro IAA-producing abilities, indicates potential for plant growth promotion.
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spelling Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian statesMicrorganismos endofíticos de mandioca de áreas comerciais e etnovariedades em três estados brasileirosManihot esculenta; Bacillus; Actinobacteria; nitrogen fixation; indol-acetic acidManihot esculenta; Bacillus; Actinobacteria; fixação de nitrogênio; ácido indolacéticoThe aim of this work was to perform a survey of the diversity of endophytic microorganisms in cassava (Manihot esculenta Crantz) collected from commercial plantings, in the State of São Paulo, and inethnovarieties collected in the States of Amazonas and Bahia, and also, to evaluate its potential of biological nitrogen fixation, and to produce indolacetic acid. In those States, 47 species of 27 genera were identified. Bacillus spp. was the most frequently found in all sampled regions. In Amazonas State, it was found the higher diversity of endophytic microorganisms. PCR amplifications of the nifH gene were evaluated in species of γ-Proteobacteria subgroup. IAA production was found in microorganisms isolated in cassava grown in all sampled States and belonged to the following subgroups: γ-Proteobacteria, β-Proteobacteria, Bacilli and Actinobacteria. In cassava, the occurrence of endophytic bacteria, with N-fixing and in vitro IAA-producing abilities, indicates potential for plant growth promotion.O objetivo deste trabalho foi realizar um levantamento da diversidade de microrganismos endofíticos, em plantas de mandioca (Manihot esculenta Crantz) coletadas de áreas comerciais, no Estado de São Paulo, e de etnovariedades dos estados do Amazonas e Bahia e, também, avaliar seu potencial para fixar N atmosférico e para produzir ácido indolacético. Nos três estados, foram identificadas 47 espécies de microrganismos pertencentes a 27 gêneros. Bacillus spp. foi o mais freqüente em todas as regiões. O maior número de gêneros foi encontrado em plantas provenientes do Estado do Amazonas, que apresenta a maior diversidade de microrganismos endofíticos. Amplificações por PCR do gene nifH foram avaliadas em espécies bacterianas pertencentes às γ-Proteobacteria. Isolados AIA positivos foram obtidos de material coletado em todos os estados, e foram representados por microrganismos pertencentes aos subgrupos γ-Proteobacteria, β-Proteobacteria, Bacilli e Actinobacteria. A ocorrência de bactérias endofíticas em plantas de mandioca, com capacidade para fixar N atmosférico e produzir AIA in vitro, indica potencial para promover o crescimento da planta.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraTeixeira, Manoel AraújoMelo, Itamar Soares deVieira, Rosana FariaCosta, Francisco Eduardo CarvalhoHarakava, Ricardo2007-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/7533Pesquisa Agropecuaria Brasileira; v.42, n.1, jan. 2007; 43-49Pesquisa Agropecuária Brasileira; v.42, n.1, jan. 2007; 43-491678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/7533/4452info:eu-repo/semantics/openAccess2014-10-08T19:46:53Zoai:ojs.seer.sct.embrapa.br:article/7533Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-10-08T19:46:53Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian states
Microrganismos endofíticos de mandioca de áreas comerciais e etnovariedades em três estados brasileiros
title Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian states
spellingShingle Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian states
Teixeira, Manoel Araújo
Manihot esculenta; Bacillus; Actinobacteria; nitrogen fixation; indol-acetic acid
Manihot esculenta; Bacillus; Actinobacteria; fixação de nitrogênio; ácido indolacético
title_short Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian states
title_full Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian states
title_fullStr Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian states
title_full_unstemmed Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian states
title_sort Cassava endophytic microorganisms of commercial plantings and ethnovarieties in three Brazilian states
author Teixeira, Manoel Araújo
author_facet Teixeira, Manoel Araújo
Melo, Itamar Soares de
Vieira, Rosana Faria
Costa, Francisco Eduardo Carvalho
Harakava, Ricardo
author_role author
author2 Melo, Itamar Soares de
Vieira, Rosana Faria
Costa, Francisco Eduardo Carvalho
Harakava, Ricardo
author2_role author
author
author
author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Teixeira, Manoel Araújo
Melo, Itamar Soares de
Vieira, Rosana Faria
Costa, Francisco Eduardo Carvalho
Harakava, Ricardo
dc.subject.por.fl_str_mv Manihot esculenta; Bacillus; Actinobacteria; nitrogen fixation; indol-acetic acid
Manihot esculenta; Bacillus; Actinobacteria; fixação de nitrogênio; ácido indolacético
topic Manihot esculenta; Bacillus; Actinobacteria; nitrogen fixation; indol-acetic acid
Manihot esculenta; Bacillus; Actinobacteria; fixação de nitrogênio; ácido indolacético
description The aim of this work was to perform a survey of the diversity of endophytic microorganisms in cassava (Manihot esculenta Crantz) collected from commercial plantings, in the State of São Paulo, and inethnovarieties collected in the States of Amazonas and Bahia, and also, to evaluate its potential of biological nitrogen fixation, and to produce indolacetic acid. In those States, 47 species of 27 genera were identified. Bacillus spp. was the most frequently found in all sampled regions. In Amazonas State, it was found the higher diversity of endophytic microorganisms. PCR amplifications of the nifH gene were evaluated in species of γ-Proteobacteria subgroup. IAA production was found in microorganisms isolated in cassava grown in all sampled States and belonged to the following subgroups: γ-Proteobacteria, β-Proteobacteria, Bacilli and Actinobacteria. In cassava, the occurrence of endophytic bacteria, with N-fixing and in vitro IAA-producing abilities, indicates potential for plant growth promotion.
publishDate 2007
dc.date.none.fl_str_mv 2007-01-01
dc.type.none.fl_str_mv
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/7533
url https://seer.sct.embrapa.br/index.php/pab/article/view/7533
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/7533/4452
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.42, n.1, jan. 2007; 43-49
Pesquisa Agropecuária Brasileira; v.42, n.1, jan. 2007; 43-49
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
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