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Isolation, Characterization and Symbiotic Efficiency of Nitrogen-Fixing and Heavy Metal-Tolerant Bacteria from a Coalmine Wasteland
Provedor de dados: 90
Autores: Ferreira,Paulo Ademar Avelar; Dahmer,Sabrina de Fatima Barbosa; Backes,Tais; Silveira,Andressa de Oliveira; Jacques,Rodrigo Josemar Seminoti; Zafar,Mohsin; Pauletto,Eloy Antonio; Santos,Marco Antônio Oliveira dos; Silva,Krisle da; Giachini,Admir José; Antoniolli,Zaida Inês.
ABSTRACT: Areas affected by coal mining can be recovered by revegetation with leguminous plants associated with nitrogen-fixing bacteria. This study addressed the isolation and characterization of native nitrogen-fixing bacteria from coalmine wasteland under different vegetation restoration approaches using Macroptilium atropurpureum (DC) Urb and Vicia sativa L. as trap plants. The bacteria were characterized and identified on the basis of 16S rRNA sequences. Additionally, nitrogen-fixing strains were characterized for tolerance to high heavy metal and low pH levels, as well as for their effect on growth, nodulation, and symbiotic efficiency of M. atropurpureum and V. sativa. Soil samples were taken from the rhizosphere of eight areas, between 6 and 20...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diversity; 16S rRNA; Rhizobium; Bradyrhizobium; Burkholderia.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832018000100420