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      Beijerinckia derxii stimulates the viability of non-N2-fixing bacteria in nitrogen-free media Translated title: Beijerinckia derxii estimula a viabilidade de bactérias não fixadoras de N2 em meio sem nitrogênio

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          Abstract

          The interactions between the nitrogen-fixing microorganism Beijerinckia derxii with two non-diazotrophic bacteria, either Escherichia coli or a facultative sulphur-oxidizing chemolitotroph, were studied in mixed cultures. Direct and indirect contact between B. derxii and E. coli were tested. B. derxii increased CFU numbers and/or maintained the viability of the non-diazotrophic bacteria, but neither growth nor nitrogenase activity of the nitrogen-fixing bacterium were affected by either partner.

          Translated abstract

          Co-culturas com a bactéria fixadora de nitrogênio Beijerinckia derxii e duas bactérias não diazotróficas (Escherichia coli e uma bactéria quimiolitotrófica facultativa oxidante de enxofre) foram empregadas para o estudo de interações bacterianas. B. derxii foi colocada em contato direto e indireto com E. coli. Um aumento no número de UFC e a manutenção da viabilidade das não diazotróficas foi promovido por B. derxii, porém seu crescimento e atividade da nitrogenase não foram afetadas por nenhuma das parceiras.

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          Cleavage of structural proteins during assembly of the head of bacterophage T4

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            The phytohormonal interactions betweenAzospirillum and wheat

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              Interactions ofAcetobacter diazotrophicuswith an amylolytic yeast in nitrogen-free batch culture

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                bjm
                Brazilian Journal of Microbiology
                Braz. J. Microbiol.
                Sociedade Brasileira de Microbiologia (São Paulo )
                1678-4405
                September 2000
                : 31
                : 3
                : 167-172
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                Article
                S1517-83822000000300004
                10.1590/S1517-83822000000300004
                34fc8608-e52d-4635-8f63-60d2c0e0b614

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1517-8382&lng=en
                Categories
                MICROBIOLOGY

                Microbiology & Virology
                Beijerinckia derxii,coculture,viability,co-cultura,viabilidade
                Microbiology & Virology
                Beijerinckia derxii, coculture, viability, co-cultura, viabilidade

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