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Biodiversity of cultivable Burkholderia species in Argentinean soils under no-till agricultural practices.
Draghi, Walter Omar; Degrossi, Jose; Bialer, Magalí; Brelles-Mariño, Graciela; Abdian, Patricia; Soler-Bistué, Alfonso; Wall, Luis; Zorreguieta, Angeles.
Afiliação
  • Draghi WO; Fundación Instituto Leloir, IIBBA CONICET, Buenos Aires, Argentina.
  • Degrossi J; Instituto de Biotecnología y Biología Molecular-CCT La Plata CONICET, Universidad Nacional de La Plata, La Plata, Argentina.
  • Bialer M; Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina.
  • Brelles-Mariño G; Fundación Instituto Leloir, IIBBA CONICET, Buenos Aires, Argentina.
  • Abdian P; Center for Research and Development of Industrial Fermentations, (CINDEFI, CCT-LA PLATA-CONICET), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata, Argentina.
  • Soler-Bistué A; Fundación Instituto Leloir, IIBBA CONICET, Buenos Aires, Argentina.
  • Wall L; Fundación Instituto Leloir, IIBBA CONICET, Buenos Aires, Argentina.
  • Zorreguieta A; Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Argentina.
PLoS One ; 13(7): e0200651, 2018.
Article em En | MEDLINE | ID: mdl-30001428
No-tillage crop production has revolutionized the agriculture worldwide. In our country more than 30 Mha are currently cultivated under no-till schemes, stressing the importance of this management system for crop production. It is widely recognized that soil microbiota is altered under different soil managements. In this regard the structure of Burkholderia populations is affected by soils management practices such as tillage, fertilization, or crop rotation. The stability of these structures, however, has not been evaluated under sustainable schemes where the impact of land practices could be less deleterious to physicochemical soils characteristics. In order to assess the structure of Burkholderia spp. populations in no-till schemes, culturable Burkholderia spp. strains were quantified and their biodiversity evaluated. Results showed that Burkholderia spp. biodiversity, but not their abundance, clearly displayed a dependence on agricultural managements. We also showed that biodiversity was mainly influenced by two soil factors: Total Organic Carbon and Total Nitrogen. Results showed that no-till schemes are not per se sufficient to maintain a richer Burkholderia spp. soil microbiota, and additional traits should be considered when sustainability of productive soils is a goal to fulfil productive agricultural schemes.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Solo / Microbiologia do Solo / Burkholderia / Biodiversidade / Produção Agrícola País/Região como assunto: America do sul / Argentina Idioma: En Revista: PLoS One Assunto da revista: CIENCIA / MEDICINA Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Argentina País de publicação: Estados Unidos
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Solo / Microbiologia do Solo / Burkholderia / Biodiversidade / Produção Agrícola País/Região como assunto: America do sul / Argentina Idioma: En Revista: PLoS One Assunto da revista: CIENCIA / MEDICINA Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Argentina País de publicação: Estados Unidos