Relevant bibliographies by topics / Cyanobacteria; Nitrogen fixation

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Academic literature on the topic 'Cyanobacteria; Nitrogen fixation'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Cyanobacteria; Nitrogen fixation"

1

Bothe, Hermann, Oliver Schmitz, M. Geoffrey Yates, and William E. Newton. "Nitrogen Fixation and Hydrogen Metabolism in Cyanobacteria." Microbiology and Molecular Biology Reviews 74, no. 4 (2010): 529–51. http://dx.doi.org/10.1128/mmbr.00033-10.

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SUMMARY This review summarizes recent aspects of (di)nitrogen fixation and (di)hydrogen metabolism, with emphasis on cyanobacteria. These organisms possess several types of the enzyme complexes catalyzing N2 fixation and/or H2 formation or oxidation, namely, two Mo nitrogenases, a V nitrogenase, and two hydrogenases. The two cyanobacterial Ni hydrogenases are differentiated as either uptake or bidirectional hydrogenases. The different forms of both the nitrogenases and hydrogenases are encoded by different sets of genes, and their organization on the chromosome can vary from one cyanobacterium
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Toledo, Gerardo, Yoav Bashan, and Al Soeldner. "In vitro colonization and increase in nitrogen fixation of seedling roots of black mangrove inoculated by a filamentous cyanobacteria." Canadian Journal of Microbiology 41, no. 11 (1995): 1012–20. http://dx.doi.org/10.1139/m95-140.

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An isolate of the filamentous cyanobacterium Microcoleus sp. was obtained from black mangrove aerial root (pneumatophore) and inoculated onto young mangrove seedlings to evaluate N2-fixation and root-colonization capacities of the bacterium under in vitro conditions in closed-system experiments. N2 fixation (acetylene reduction) gradually increased with time and reached its peak 5 days after inoculation. Later, it decreased sharply. The level of N2 fixation in the presence of the plant was significantly higher than the amount of nitrogen fixed by a similar quantity of cyanobacteria on a N-free
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Watanabe, Tomoaki, and Tokumasa Horiike. "The Evolution of Molybdenum Dependent Nitrogenase in Cyanobacteria." Biology 10, no. 4 (2021): 329. http://dx.doi.org/10.3390/biology10040329.

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Nitrogen fixation plays a crucial role in the nitrogen cycle by helping to convert nitrogen into a form usable by other organisms. Bacteria capable of fixing nitrogen are found in six phyla including Cyanobacteria. Molybdenum dependent nitrogenase (nif) genes are thought to share a single origin as they have homologs in various phyla. However, diazotrophic bacteria have a mosaic distribution within the cyanobacterial lineage. Therefore, the aim of this study was to determine the cause of this mosaic distribution. We identified nif gene operon structures in the genomes of 85 of the 179 cyanobac
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Vanlalsangi, Rebecca, Loknath Samanta, and Jyotirmoy Bhattacharya. "The 2,2’ Dipyridyl-Induced Iron Starvation and its Effects on Growth and Photosynthesis in Cyanobacterium Nostoc punctiforme ATCC 29133." Science & Technology Journal 8, no. 2 (2020): 112–17. http://dx.doi.org/10.22232/stj.2020.08.02.17.

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Iron is essential for growth of most organisms, including cyanobacteria, a ubiquitous and ecologically important group of microorganisms in nature. The present study was initiated to investigate the effects of iron starvation on the growth, frequency of heterocysts (the sites for nitrogen-fixation), photosynthetic pigments and photosynthesis in the filamentous, nitrogen-fixing cyanobacterium Nostoc punctiforme ATCC 29133. Iron starvation was achieved in cyanobacterial cultures by growing them in medium free of combined nitrogen containing 2,2’dipyridyl (a high affinity iron-chelator) without a
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Hendrayanti, Dian, Iman Rusmana, Dwi Andreas Santosa, and Hamim Hamim. "Application of Biological Nitrogen Fixation Cyanobacteria To Paddy Plant Cultivated Under Deep-Water Culture System." Jurnal Biodjati 5, no. 2 (2020): 164–73. http://dx.doi.org/10.15575/biodjati.v5i2.8510.

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The Biological Nitrogen Fixing (BNF) cyanobacteria can reduce atmospheric nitrogen into ammonium. This ability makes BNF cyanobacteria a potential eco-friendly N-source for soil-planted pad-dy. Apart from a few success stories of BNF cyanobacteria applica-tion in the rice field, its role as an ammonium producer is still an open question. There is also a possibility that indeed cyanobacteria biomass which provides nitrogen through the biological decomposing process. This study aimed to analyze the influence of three strains BNF cyanobacteria on paddy grown in the Deep-Water Culture (DWC) hydrop
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Zehr, Jonathan P. "Nitrogen fixation by marine cyanobacteria." Trends in Microbiology 19, no. 4 (2011): 162–73. http://dx.doi.org/10.1016/j.tim.2010.12.004.

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Grula, John W. "Evolution of photosynthesis and biospheric oxygenation contingent upon nitrogen fixation?" International Journal of Astrobiology 4, no. 3-4 (2005): 251–57. http://dx.doi.org/10.1017/s1473550405002776.

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How photosynthesis by Precambrian cyanobacteria oxygenated Earth's biosphere remains incompletely understood. Here it is argued that the oxic transition, which took place between approximately 2.3 and 0.5 Gyr ago, required a great proliferation of cyanobacteria, and this in turn depended on their ability to fix nitrogen via the nitrogenase enzyme system. However, the ability to fix nitrogen was not a panacea, and the rate of biospheric oxygenation may still have been affected by nitrogen constraints on cyanobacterial expansion. Evidence is presented for why cyanobacteria probably have a greate
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Cornejo-Castillo, Francisco M., and Jonathan P. Zehr. "Hopanoid lipids may facilitate aerobic nitrogen fixation in the ocean." Proceedings of the National Academy of Sciences 116, no. 37 (2019): 18269–71. http://dx.doi.org/10.1073/pnas.1908165116.

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Cyanobacterial diazotrophs are considered to be the most important source of fixed N2in the open ocean. Biological N2fixation is catalyzed by the extremely O2-sensitive nitrogenase enzyme. In cyanobacteria without specialized N2-fixing cells (heterocysts), mechanisms such as decoupling photosynthesis from N2fixation in space or time are involved in protecting nitrogenase from the intracellular O2evolved by photosynthesis. However, it is not known how cyanobacterial cells limit O2diffusion across their membranes to protect nitrogenase in ambient O2-saturated surface ocean waters. Here, we explo
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Machray, G. C., and W. D. P. Stewart. "Genetics of plant-microbe nitrogen-fixing symbiosis." Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences 85, no. 3-4 (1985): 239–52. http://dx.doi.org/10.1017/s0269727000004048.

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SynopsisA wide variety of plant-microbe nitrogen-fixing symbioses which include cyanobacteria as the nitrogenfixing partner exist. While some information has been gathered on the biochemical changes in the cyanobacterium upon entering into symbiosis, very little is known about the accompanying changes at the genetic level. Much of our present knowledge of the organisation and control of expression of nitrogenfixation (nif) genes is derived from studies of the free-living diazotroph Klebsiella pneumoniae. This organism thus provides a model system and source of experimental material for the gen
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Liengen, Turid. "Conversion factor between acetylene reduction and nitrogen fixation in free-living cyanobacteria from high arctic habitats." Canadian Journal of Microbiology 45, no. 3 (1999): 223–29. http://dx.doi.org/10.1139/w98-219.

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The conversion factor between acetylene reduction and15N incorporation in free-living cyanobacteria was determined in different high arctic habitats in the area of Ny-Ålesund (78.5°N, 11.6°E), Spitsbergen, in the summer of 1994. The experiments were carried out under constant conditions, 19°C and 200 µE·m-2·s-1. The nitrogen-fixation activities, measured as15N-incorporation, were in the range 4.01-6.54 mg N2fixed·gdw-1·day-1(dw, dry weight) in sheets of Nostoc commune and 778-1206 mg N2fixed·m-2·day-1in the cyanobacterial crusts. The acetylene reduction activities were in the range 0.72-1.91 m
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Dissertations / Theses on the topic "Cyanobacteria; Nitrogen fixation"

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Klawonn, Isabell. "Marine nitrogen fixation : Cyanobacterial nitrogen fixation and the fate of new nitrogen in the Baltic Sea." Doctoral thesis, Stockholms universitet, Institutionen för ekologi, miljö och botanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-122080.

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Biogeochemical processes in the marine biosphere are important in global element cycling and greatly influence the gas composition of the Earth’s atmosphere. The nitrogen cycle is a key component of marine biogeochemical cycles. Nitrogen is an essential constituent of living organisms, but bioavailable nitrogen is often short in supply thus limiting primary production. The largest input of nitrogen to the marine environment is by N2-fixation, the transformation of inert N2 gas into bioavailable ammonium by a distinct group of microbes. Hence, N2-fixation bypasses nitrogen limitation and stimul
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Menke, Sharon M. "NifD: Its Evolution and Phylogenetic Use in Cyanobacteria." Miami University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=miami1176983927.

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Hutchins, David Allen. "Nitrogen and iron interactions in filamentous cyanobacteria." PDXScholar, 1989. https://pdxscholar.library.pdx.edu/open_access_etds/3934.

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The investigations described in this paper are an attempt to further define and quantify the interrelationship of nitrogen fixation and iron nutritional physiology in these two species. Chapter II will present and compare data on nutritional ratios of field collected Trichodesmium colonies and laboratory Anabaena cultures, with the intent of examining possible correlations between observed iron levels and protein nitrogen and chlorophyll concentrations, as well as nitrogen fixation rates. Chapter Ill is an examination of nitrogen fixation and siderophore production in Anabaena with emphasis on
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Khamees, H. S. "Effect of some ecological factors on nitrogen fixation by cyanobacteria." Thesis, Swansea University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.637784.

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Almesjö, Lisa. "Filamentous cyanobacteria in the Baltic Sea - spatiotemporal patterns and nitrogen fixation." Doctoral thesis, Stockholm University, Department of Systems Ecology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-7099.

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<p>Summer blooms of filamentous, diazotrophic cyanobacteria are typical of the Baltic Sea Proper, and are dominated by <i>Aphanizomenon </i>sp<i>.</i> and the toxic <i>Nodularia spumigena.</i> Although occurring every summer, the blooms vary greatly in timing and spatial distribution, making monitoring difficult and imprecise. This thesis studies how the spatial variability of Baltic cyanobacterial blooms influences estimates of abundance, vertical and horizontal distribution and N<sub>2</sub>-fixation. Implications for sampling and monitoring of cyanobacterial blooms are also discussed.</p><p
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Almesjö, Lisa. "Filamentous cyanobacteria in the Baltic Sea : spatiotemporal patterns and nitrogen fixation /." Stockholm : Department of Systems Ecology, Stockholm university, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-7099.

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Sinclair, Andrew. "The effect of site directed mutagenesis on energy transduction events in the nitrogenase of Azotoabacter vinelandii." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389262.

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Svedén, Jennie B. "Cyanobacterial Nitrogen Fixation in the Baltic Sea : With focus on Aphanizomenon sp." Doctoral thesis, Stockholms universitet, Institutionen för ekologi, miljö och botanik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-132773.

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Cyanobacteria are widely distributed in marine, freshwater and terrestrial habitats. Some cyanobacterial genera can convert di-nitrogen gas (N2) to bioavailable ammonium, i.e. perform nitrogen (N) fixation, and are therefore of profound significance for N cycling. N fixation by summer blooms of cyanobacteria is one of the largest sources of new N for the Baltic Sea. This thesis investigated N fixation by cyanobacteria in the Baltic Sea and explored the fate of fixed N at different spatial and temporal scales. In Paper I, we measured cell-specific N fixation by Aphanizomenon sp. at 10 ºC, early
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Thorsteinsson, Marc Victor III. "Structural and Functional Characterization of Cyanoglobin: A Peripheral Membrane Hemoglobin in Nostoc commune UTEX 584 (Cyanobacteria)." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/29827.

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Investigations of the nitrogen fixing (nif) genes in the cyanobacterium Nostoc commune UTEX 584 revealed a gene encoding a hemoprotein, named cyanoglobin. The cyanoglobin gene was isolated and subcloned into Escherichia coli previously. Cyanoglobin possesses a high oxygen affinity. The study presented here investigated the functional role of cyanoglobin, and encompassed the determination of the kinetic basis for the high oxygen affinity of cyanoglobin through kinetic studies utilizing stopped-flow spectrophotometry and flash photolysis. In addition, studies of cyanoglobin, in the presence
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Holl, Carolyn Marie. "Regulation of Trichodesmium Nitrogen Fixation by Combined Nitrogen and Growth Rate: A Field and Culture Study." Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-11152004-132003/unrestricted/holl%5Fcarolyn%5FM%5F200412%5Fphd.pdf.

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Thesis (Ph. D.)--Biology, Georgia Institute of Technology, 2005.<br>Thomas DiChristina, Committee Member ; Patricia Sobecky, Committee Member ; Christopher Klausmeier, Committee Member ; Douglas G. Capone, Committee Member ; Montoya, Joseph P., Committee Chair ; Samantha Joye, Committee Member. Includes bibliographical references.
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Books on the topic "Cyanobacteria; Nitrogen fixation"

1

Saville, Barry James. Nitrogen fixation (nif) gene organization in cyanobacteria. 1986.

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Henson, Brian Junior. Evolution of the nitrogen fixation gene, nifD, in heterocystous cyanobacteria. 2001.

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Associative and endophytic nitrogen-fixing bacteria and cyanobacterial associations. Springer, 2007.

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Newton, William E., and Claudine Elmerich. Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations. Springer, 2010.

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Kirchman, David L. The nitrogen cycle. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789406.003.0012.

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Nitrogen is required for the biosynthesis of many cellular components and can take on many oxidation states, ranging from −3 to +5. Consequently, nitrogen compounds can act as either electron donors (chemolithotrophy) or electron acceptors (anaerobic respiration). The nitrogen cycle starts with nitrogen fixation, the reduction of nitrogen gas to ammonium. Nitrogen fixation is carried out only by prokaryotes, mainly some cyanobacteria and heterotrophic bacteria. The ammonium resulting from nitrogen fixation is quickly used by many organisms for biosynthesis, being preferred over nitrate as a ni
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Smoker, Jamesina Anne. Nitrogen fixation in the filamentous, nonheterocystous cyanobacterium, Plectonema boryanum. 1990.

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(Editor), Claudine Elmerich, and William E. Newton (Editor), eds. Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations (Nitrogen Fixation: Origins, Applications, and Research Progress). Springer, 2006.

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Book chapters on the topic "Cyanobacteria; Nitrogen fixation"

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Evans, H. J., P. J. Bottomley, and W. E. Newton. "Cyanobacteria." In Nitrogen fixation research progress. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5175-4_58.

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Boussiba, S. "Nitrogen fixing cyanobacteria potential uses." In Nitrogen Fixation. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_100.

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Haselkorn, R., M. Basche, H. Böhme, et al. "Nitrogen Fixation in Filamentous Cyanobacteria." In Nitrogen Fixation. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_81.

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Haselkorn, R., M. Basche, H. Böhme, et al. "Nitrogen fixation in filamentous cyanobacteria." In Nitrogen Fixation. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-6432-0_50.

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Tomaselli, L., L. Giovannetti, L. Falchini, and R. Materassi. "Production of Dinitrogen-Fixing Cyanobacteria for Soil Inoculation." In Nitrogen Fixation. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_114.

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Vagnoli, L., M. C. Margheri, G. Allotta, and R. Materassi. "Morphological and Physiological Characterization of N2-Fixing Symbiotic Cyanobacteria." In Nitrogen Fixation. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_126.

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Bothe, H., T. Kentemich, and Dai Heping. "Recent Aspects on the Hydrogenase-Nitrogenase Relationship in Cyanobacteria." In Nitrogen Fixation. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_82.

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Peschek, G. A., K. Villgrater, and M. Wastyn. "‘Respiratory protection’ of the nitrogenase in dinitrogen-fixing cyanobacteria." In Nitrogen Fixation. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_87.

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Milam, J. R., S. L. Albrecht, F. Kamuru, and K. T. Shanmugam. "The Effect of Ammonia-Excreting Cyanobacteria on the Growth of Rice." In Nitrogen Fixation. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_107.

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Peters, Gerald A. "Azolla and other plant-cyanobacteria symbioses: Aspects of form and function." In Nitrogen Fixation. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_83.

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Reports on the topic "Cyanobacteria; Nitrogen fixation"

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Bonab, Zahra Hojjati, Parisa Mohammadi, Ezzat Asgarani, and Nassim Ghorbanmehr. The Evaluation of Nitrogen Fixation Activity of Soil Cyanobacteria via Reduction Assay and Real-time PCR. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, 2019. http://dx.doi.org/10.7546/crabs.2019.06.07.

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Elardo, Karen. Changes in Proteins Associated with Nitrogen Fixation and Iron Nutrition in the Marine Cyanobacterium Trichodesmium. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.6778.

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