Aspects of nitrogen fixation and denitrification by Azospirillum

Model experiments were performed to investigate the nitrogen fixation (C₂H₂ reduction) and denitrification (N₂O formation) capabilities of Azospirillum spp. in association with wheat. Plants and bacteria were grown together for a week and then assayed for activities. This association performed C₂H₂...

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Published in:Plant and Soil [PLANT SOIL.]. 1986 1986-01, Vol.90 (1/3), p.193-202
Main Authors: Danneberg, G, Kronenberg, A, Neuer, G, Bothe, H
Format: Article
Language:English
Subjects:
Azospirillum
Azospirillum amazonense
Azospirillum brasilense
Azospirillum lipoferum
Bacteria
Cytochromes
denitrification
Ecological genetics
Enzymes
Nitrates
Nitrites
Nitrogen fixation
Nitrous oxide
Session 3: Biochemistry and physiology of nitrogen fixation
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container_title Plant and Soil [PLANT SOIL.]. 1986
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creator Danneberg, G
Kronenberg, A
Neuer, G
Bothe, H
description Model experiments were performed to investigate the nitrogen fixation (C₂H₂ reduction) and denitrification (N₂O formation) capabilities of Azospirillum spp. in association with wheat. Plants and bacteria were grown together for a week and then assayed for activities. This association performed C₂H₂ reduction or N₂O formation, depending on the concentrations of nitrate and oxygen in the vessels. Both activities depended on the Azospirillum strains used. The newly isolated Azospirillum amazonense strains Y1 and Y6 showed significant C₂H₂ reduction and low N₂O formation in association with wheat under the conditions employed and are possibly useful in practice. A cell-free preparation from Azospirillum brasilense Sp 7 possessed a cytochrome cd type dissimilatory nitrite reductase.
doi_str_mv 10.1007/BF02277396
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ispartof Plant and Soil [PLANT SOIL.]. 1986, 1986-01, Vol.90 (1/3), p.193-202
issn 0032-079X
1573-5036
language eng
recordid cdi_proquest_miscellaneous_14782566
source JSTOR Archival Journals and Primary Sources Collection; Springer Online Journal Archives
subjects Azospirillum
Azospirillum amazonense
Azospirillum brasilense
Azospirillum lipoferum
Bacteria
Cytochromes
denitrification
Ecological genetics
Enzymes
Nitrates
Nitrites
Nitrogen fixation
Nitrous oxide
Session 3: Biochemistry and physiology of nitrogen fixation
title Aspects of nitrogen fixation and denitrification by Azospirillum
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