Open AccessJournal Article
Nitrogen fixation hundred years after
361
About: This article is published in Research in Microbiology. The article was published on 01 Jan 1988. and is currently open access. The article focuses on the topics: Nitrogen fixation.
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Citations
A Rhizobium meliloti mutant, lacking a functional γ-aminobutyrate (GABA) bypass, is defective in glutamate catabolism and symbiotic nitrogen fixation
TL;DR: The results presented in this study indicate that the GABA bypass is a major mechanism of glutamate degradation in R. meliloti CMF1 and that glutamate catabolism via this pathway may play an important role in the symbiotic nitrogen fixation process.
20
Production of polysaccharides by Arthrobacter globiformis associated with Anabaena azollae in Azolla leaf cavity
TL;DR: The composition of the capsular polysaccharide and exopolysaccharides of three strains of Arthrobacter globiformis, isolated from the leaf cavities of Azolla caroliniana, have been analysed by HPLC and enzymatic assays.
20
Biochemical and molecular characterisation of the bacterial endophytes from native sugarcane varieties of Himalayan region
Digar Singh,Anita Sharma,Gurvinder Kaur Saini +2 more
- 01 Jun 2013
TL;DR: Seven endophytic bacterial isolates recovered from native sugarcane varieties at hilly areas namely Berinag, Champawat and Didihat of Uttarakhand state in northern Himalayan region showed insignificant similarity with South American strains used as standards, establishing them as potential N-fixers.
Competitive nodulation blocking of Afghanistan pea is determined by nodDABC and nodFE alleles in Rhizobium leguminosarum
TL;DR: This work isolated and characterized a 6.9 kb HindIII fragment of pSymPF2 which confers the Cnb+ phentoype on other (Cnb−) rhizobia and found that Cnb is also encoded by the well-characterized Sym plasmid pRL1JI of R. leguminosarum PF2.
20
Nif Phenotype of Azotobacter vinelandii UW97 CHARACTERIZATION AND MUTATIONAL ANALYSIS
TL;DR: A systematic analysis of an A. vinelandii UW97 mutant is reported and it seems that the Nif phenotype is caused by a general structural disturbance of the Fe protein due to the presence of the bulky phenylalanine at position 44.
20
References
Metabolic pathways in Paracoccus denitrificans and closely related bacteria in relation to the phylogeny of prokaryotes.
TL;DR: It is concluded that pathway specificc-type cytochromes are involved in denitrification and methylotrophy in Paracoccus denitrificans and the distribution of complex metabolic systems in eubacteria and in a number of species belonging to the α-group of purple non sulphur bacteria is reviewed.
87
In vitro synthesis of the iron-molybdenum cofactor of nitrogenase. Purification and characterization of NifB cofactor, the product of NIFB protein.
TL;DR: NifB-co has been purified to homogeneity by a unique one-step method and is stable to repeated freeze-thaw cycles and is also stable in N-methylformamide, the solvent used for the isolation of FeMo-co.