[PDF] Top 20 Genetic engineering and nitrogen fixation

Genetic engineering and nitrogen fixation

... The description of the K. prieumoniae nif genes and their regulation illuminates some of the problems which will be encountered when attempting to transfer nif to organisms other than [r] ... See full document

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Cyanobacterial Nitrogen Fixation (CIANOFIX)

... Recent evidence suggests that some heterocystous cyanobacteria contains two molybdenum-based nitrogenase systems, nif1 and nif2, with different expression patterns. The vegetative cell nitrogenase (Nif2) has its coun- ... See full document

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Establishing symbiotic nitrogen fixation in cereals and other non-legume crops: The Greener Nitrogen Revolution

... the genetic and physiological bacterial-dependent nitrogen fixation ...autonomous nitrogen-fixing plants by ‘giving evolu- tion a push in a direction in which it is already poised to go’ ... See full document

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A COMPARATIVE STUDY ON NITROGEN FIXATION IN PULSES

... biological nitrogen fixation has been bolstered by a diverse array of scientific ...of nitrogen fixation has been perplexing from a phylogenetic perspective, largely because of factors that ... See full document

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Neglecting legumes has compromised human health and sustainable food production

... symbiotic nitrogen fixation, leading to significant advantages for agricultural sustainability, both in developing and developed ...for genetic improvements in ...symbiotic nitrogen ... See full document

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Engineering Nitrogen Fixation Activity in an Oxygenic Phototroph

... for nitrogen fixation ...for nitrogen fixation in Synechocystis 6803 is impractical at this ...for nitrogen fixation using a “top-down” method, which determines the influ- ence of a gene on nitrogenase ... See full document

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Genetic engineering of the Calvin cycle toward enhanced photosynthetic CO2 fixation in microalgae

... through genetic engineering appears to be a feasible strategy to overcome this obstacle [4, ...the genetic engineering of the Calvin cycle for improved photosynthetic ...stable ... See full document

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Genetic analysis of nodulation and nitrogen fixation in the broad-host-range Rhizobium strain NGR234

... 62 Summary CHAPTER FOUR - A LARGE - PLASMID IN NGR234 CARRIES GENES FOR NODULATION AND NITROGEN FIXATION 4 .1 Introduction 63 4.2 Heat curing and plant tests 64 4.3 Hybridisation to a ni[r] ... See full document

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Nitrogen Fixation In Methanogens: The Archaeal Perspective

... of nitrogen fixation. Biochemical and genetic studies show that nitrogen fixation in Archaea is evolutionarily related to nitrogen fixation in Bacteria and operates by the ... See full document

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Nitrogen fixation by the cyanobacterium Nostoc punctiforme in response to variation in nitrogen availability, temperature, and atmospheric CO2 concentrations

... the genetic regulation of this process is sufficiently tight that it is not plastic in response to environmental ...2 fixation is dependent upon the timing of heterocyst production, ... See full document

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... preferred nitrogen source, but results gave nitrate as the best in Fischerella ...metabolize nitrogen but is actually the sum of the entire physiology and genetics of these ... See full document

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Effects of partial inbreeding on fixation rates and variation of mutant genes.

... Diffusion methods were used to investigate the fixation probability, average time until fixation and extinction, and cumulative heterozygosity and genetic variance fo[r] ... See full document

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On the Fixation of Atmospheric Nitrogen by Phoma Radicis Callunae, including a New Method for Investigating Nitrogenfixation in Micro Organisms

... The Fixation of Atmospheric Nitrogen by Phoma radicis Callunae 181 The nitrogen analyses of the seeds and seedlings of Calluna vulgaris for Section A of the present paper were carried ou[r] ... See full document

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Changes in the biomass production and total soluble protein spectra of nitrate fed and nitrogen fixing soybeans subjected to gradual water stress

... the nitrogen source is a major factor affecting pea responses to water stress, however, this fact was not due directly to the nitrogen assimilation process itself, but to interac- tions with stomatal ... See full document

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Biome-scale nitrogen fixation strategies selected by climatic constraints on nitrogen cycle

... White Rose Research Online URL for this paper: http://eprints.whiterose.ac.uk/92927/ Version: Accepted Version Article: Sheffer, E, Batterman, SA, Levin, SA et al.. 1 more author 2015 Bi[r] ... See full document

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Utilization of the biological nitrogen fixation for soil evaluation

... non-symbiotic nitrogen-fixation potential in the soils used for the ...free-living nitrogen fixing bacteria (Azoto- bacter ...Another nitrogen fixers occurring in some soils belong to ... See full document

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Studies on Nitrogen Fixation by Blue Green Algae

... De's contention 1939 that the increase in combined nitrogen observed in his cultures could not be due to absorption of ammonia or oxides of nitrogen from the atmosphere since uninoculate[r] ... See full document

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Nitrogen fixation and nifH diversity in human gut microbiota

... collected faeces from an unspecified number of PNG individuals and five Europeans, and analysed them with an acetylene reduction assay. They detected 0.75 nmol/g/h acetylene-reducing activity in one of the European ... See full document

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Physiological regulation of nitrogen fixation in soybean root nodules

... Appendix I 153 Key to variables for program Soyfix Variable Parameter represented units appN appnavail availnit availnit2 cotyarea cotyexport cotynitavail cotynittot cotyori cotyorinit c[r] ... See full document

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Nitrogen Fixation Mutants of the Actinobacterium Frankia Casuarinae CcI3

... strains formed significantly reduced numbers of vesicles, while some failed to form large mature vesicles. These vesicle mutants also exhibited an aberrant hyphal morphology, suggesting a relationship between vesicle ... See full document

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