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Thèses sur le sujet « Cyanobacteriales »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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1

Engelke, Clemens J. "Cyanobacterial chemical ecology." Thesis, University of Aberdeen, 2001. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU485501.

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This thesis reports the effect of the non-toxic cyanobacterium Oscillatoria agardhii CYA29 and its spent medium on the cell-bound toxin levels in Microcystis aeruginosa PCC7820 and Nodularia sp. PCC7804. Microcystin levels were elevated when O. agardhii or its spent medium were added to cultures of M. aeruginosa PCC7820. This effect was also observed for two nodularin variants in Nodularia PCC7804. However, growth of M. aeruginosa in its own spent medium did not lead to elevated microcystin levels. Some Gram-negative bacteria use quorum sensing, the determination of population density by phero

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2

Pope, Phillip Byron. "Metagenomics of Cyanobacterial Blooms." Thesis, Griffith University, 2007. http://hdl.handle.net/10072/368095.

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Cyanobacteria are a diverse and widely distributed group of organisms common in soil and in both marine and freshwater. Under favorable conditions they can reproduce explosively, forming dense concentrations called blooms. Fresh water cyanobacterial blooms in particular are commonly associated with toxin production in drinking water supplies and are increasingly becoming a risk to human health. Beyond toxin production these extremely complex, constantly interacting and changing microbial communities have vast impacts on their surrounding ecosystem. The triggers that initiate bloom formation an

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3

Brettschneider, Christian. "The cyanobacterial circadian clock." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2011. http://dx.doi.org/10.18452/16385.

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Cyanobakterien zŠhlen zu den Šltesten Lebewesen auf der Erde. Diese Bakterien, auch Blaualgen genannt, trugen wesentlich zur Sauerstoffanreicherung der Erde bei, da sie eine ausgeprŠgte FŠhigkeit zur Photosynthese besitzen. Der produzerte Sauerstoff der Photosynthese hemmt jedoch eine weitere AktivitŠt von Cyanobakterien, die Stickstofffixierung. Um die Hemmung zu vermeiden, werden diese AktivitŠten zeitlich getrennt und optimal dem tŠglichen Hell-Dunkel-Rhythmus angepasst. Ein evolutionŠrer Vorteil wird erzielt, wenn der Organismus diesen Rhythmus antizipiert und sich darauf vorbereitet. Aus

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4

MacGregor-Chatwin, Craig. "Investigations into the membrane architecture of cyanobacterial thylakoid membranes and nanopatterning of cyanobacterial photosystems." Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/8714/.

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Synechocystis sp. PCC6803 is a cyanobacterium used as a model organism to study photosynthesis. Thylakoid membranes are specialised invaginated areas of membrane that are enriched in the light harvesting antenna complexes and reaction centres. Energy is directed towards PSI and PSII by the phycobilisome complexes to drive charge separation. The native organisation of the photosynthetic complexes in cyanobacterial thylakoid membranes is still relatively unclear. Procedures were developed to isolate and treat thylakoid membranes from Synechocystis to make them suitable for AFM imaging. Methods t

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5

Högnabba, Filip. "Phylogenetic studies of cyanobacterial lichens /." Helsinki : Yliopistopaino, 2007. http://ethesis.helsinki.fi.

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6

Da, Fonseca Paula Cristina Alves. "Structural studies of cyanobacterial PSII." Thesis, Imperial College London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249460.

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7

Barbrook, Adrian Charles. "Cyanobacterial protein processing and translocation." Thesis, University of Cambridge, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627142.

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8

Cross, David Michael. "Analytical methods for cyanobacterial toxins." Thesis, University of Bath, 1997. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390310.

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9

Oliveira, Paulo. "Regulation of the Cyanobacterial Bidirectional Hydrogenase." Doctoral thesis, Uppsala universitet, Institutionen för fotokemi och molekylärvetenskap, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8862.

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Today, mankind faces a new challenge in energetic terms: a new Industrial Revolution is imperative, already called by some as an Energetic Revolution. This corresponds to a conversion to clean, environmentally friendly and renewable energy sources. In this context, hydrogen arises as a valid alternative, since its combustion produces a considerable amount of energy and releases solely water as a by-product. In the present thesis, two model cyanobacteria, namely Synechocystis sp. strain PCC 6803 and Anabaena/Nostoc sp. strain PCC 7120, were used to examine the hydrogen metabolism. The efforts w

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10

Agervald, Åsa. "Maturation and Regulation of Cyanobacterial Hydrogenases." Doctoral thesis, Uppsala universitet, Mikrobiell Kemi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-110871.

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Accelerated global warming plus an increasing need for energy is an equation not easily solved, thus new forms of sustainable energy production are urgently requested. In this context hydrogen production based on a cyanobacterial system offers an environmentally friendly alternative for energy capture and conversion. Cyanobacteria can produce hydrogen gas from sun light and water through the combination of photosystems and hydrogenases, and are suitable to cultivate in large scale. In the present thesis the maturation process of [NiFe]-hydrogenases is investigated with special focus on transcr

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11

Wu, Hong. "A study of two cyanobacterial inteins." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ36595.pdf.

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12

Rolfe, Stephen Alexander. "Electron transport in cyanobacterial photosystem II." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.258430.

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13

Camsund, Daniel. "Engineering Transcriptional Systems for Cyanobacterial Biotechnology." Doctoral thesis, Uppsala universitet, Molekylär biomimetik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-223599.

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Cyanobacteria are solar-powered cell factories that can be engineered to supply us with renewable fuels and chemicals. To do so robust and well-working biological parts and tools are necessary. Parts for controlling gene expression are of special importance in living systems, and specifically promoters are needed for enabling and simplifying rational design. Synthetic biology is an engineering science that incorporates principles such as decoupling, standardization and modularity to enable the design and construction of more advanced systems from simpler parts and the re-use of parts in new co

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14

Macário, Inês Adriana Patrunilho Efe. "Stepwise strategy for monitoring cyanobacterial blooms." Master's thesis, Universidade de Aveiro, 2013. http://hdl.handle.net/10773/12148.

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Mestrado em Gestão e Políticas Ambientais<br>O desenvolvimento de blooms cianobacterianos pode representar um risco para a saúde pública e, num contexto de alterações climáticas, o desenvolvimento de grandes concentrações destes organismos pode ser potenciado. Portugal, à semelhança de outros países, adoptou a metodologia para a monitorização de cianobactérias proposta pela Organização Mundial de Saúde, que considera a clorofila a e a densidade celular, como indicadores da presença de cianobactérias. Contudo, tendo em conta as limitações destes indicadores, o presente trabalho visa prop

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15

Folea, Ioana Mihaela. "Electron microscopy of cyanobacterial membrane proteins." [S.l. : [Groningen : s.n.] ; University of Groningen] [Host], 2008. http://irs.ub.rug.nl/ppn/314679286.

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16

Sorrels, Carla Michelle. "Biosynthesis of scytonemin, a cyanobacterial sunscreen." Diss., [La Jolla] : University of California, San Diego, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p3369627.

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Thesis (Ph. D.)--University of California, San Diego, 2009.<br>Title from first page of PDF file (viewed September 15, 2009). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references

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17

Man, Kwok Wai. "The development of surfactant-medicated analytical methods for the determination of cyanobacterial toxins in natural waters /." access full-text access abstract and table of contents, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?phd-bch-b19887875a.pdf.

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Thesis (Ph.D.)--City University of Hong Kong, 2005.<br>"Submitted to Department of Biology and Chemistry in partial fulfillment of the requirements for the degree of Doctor of Philosophy" Includes bibliographical references.

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18

Lotierzo, Manuela. "Biological and artificial receptors in affinity sensor for water toxins detection." Thesis, Cranfield University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274040.

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19

Fischer, Amanda June. "The directed evolution of Cyanobacterial phytochrome 1 /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2005. http://uclibs.org/PID/11984.

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20

McColl, Suzzanne May. "Study on polypeptides of cyanobacterial photosystem 2." Thesis, University of Central Lancashire, 1993. http://clok.uclan.ac.uk/21003/.

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The main objective of this work was to characterize cyanobacterial PS2 polypeptides with particular respect to calcium binding. A number of cyanobacteria were studied by trypsin digestion of their thylakoid membranes which showed that using the same method of preparation some cyanobacteria produce everted thylakoid vesicles whilst others produce right sided vesicles. No direct correlation between the sidedness of the produced thylakoids and any growth or metabolic characteristic of the organithm was found. In Synechocystis 6308 a polypeptide of 27kDa , apparently unrelated to known polypeptide

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21

Magee, Wendy Colleen. "Characterization of a cyanobacterial RNA helicase gene." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq22631.pdf.

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22

Duan, Hongmei. "Monitoring and characterization of toxic cyanobacterial blooms." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66915.

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Molecular tools were used to monitor the dynamics of Microcystis populations and the potential microcystin producers in Missisquoi Bay (the Canadian part of Lake Champlain). This study showed the GF/C filters, which are typically used to prepare samples for microcystin analysis, were not ideal for the characterization of total bacterial communities, but were sufficient for the chemical analyses of cyanobacterial microcystins. The mcyD gene copy number determined by Q-PCR correlated well with the microcystin concentration determined by ELISA and HPLC in 2006; therefore mcyD Q-PCR co

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23

Glands, Paul David. "Zinc sensing by the cyanobacterial SmtB protein." Thesis, University of Newcastle Upon Tyne, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388662.

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24

Tsai, Jeng-Wen. "Protein phosphorylation in cyanobacterial light-harvesting complexes." Thesis, University of Warwick, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338674.

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25

Chabot, Jeffrey R. (Jeffrey Raymond). "Genetic noise in the cyanobacterial circadian oscillator." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32302.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, June 2005.<br>Includes bibliographical references (p. 155-161).<br>Clocks are generally considered as quintessential examples of accurate and precise devices. Biological clocks however, are continually subjected to intracellular and extracellular fluctuations that might reduce the fidelity of this periodic timer. One fundamental limitation that might set an upper bound on the fidelity is the stochastic nature of gene expression creating a noisy intracellular environment. Circadian rhythms, driven by oscillators which pro

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26

Luitel, Prashant. "Protein localization during the cyanobacterial circadian cycle." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45432.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Physics, 2008.<br>Includes bibliographical references (p. 77-[78]).<br>Circadian clocks are ubiquitous throughout the living world. Of these circadian clocks, the simplest one is found in cyanobacteria - unicellular, photosynthetic marine organisms. Studies of the circadian clock of Synechococcus Elongatus PCC 7942 have shown that the circadian clock is independent of genetic transcription and depends only upon the interactions between three proteins - KaiA, KaiB, and KaiC. As such, the cyanobacterial circadian clock provides a uni

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27

Wagner, Michael Johannes. "Interaction between cyanobacterial plastocyanin and cytochrome f." Thesis, University of Cambridge, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627130.

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28

Tran, Thi Thu Huong, Trung Kien Nguyen, Thi Thuy Thi Nguyen, et al. "Nanoparticles as a control for cyanobacterial bloom." Technische Universität Dresden, 2016. https://tud.qucosa.de/id/qucosa%3A32610.

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This study aims to investigate the toxicity of copper material synthesized by chemical reduction method and effects of environmental variables on growth of phytoplankton community (dominated by Microcystis genus) in the Tien eutrophic lake, Hanoi, Vietnam. The variables analyzed include: physical (pH and Turbidity), chemical (content of NH4+, PO43- and copper metal), biological (content of Chlorophyll-a, cell density). The characteristic of nanomaterial was confirmed by using UVvisible spectrophotometer, XRD, SEM and TEM methods. The CuNPs showed they spherical form and uniform size about 20-4

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29

Xie, WenQin. "Molecular analysis of cyanobacterial RNA polymerase genes." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54816.

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The RNA polymerase genes rpoBC1C2 (the rpoB and rpoC2 are incomplete) of the cyanobacterium Nostoc commune have been cloned, sequenced, and expressed both in vivo and in vitro using E. coli systems. The rpo genes encode large subunits of DNA-dependent RNA polymerase. Two genes in N. commune, rpoC1 and rpoC2, correspond to rpoC of E. coli, which indicates a divergent evolution of RNA polymerase. The rpoBC1C2genes of Nostoc are linked in the order of rpoB, rpoC1, and rpoC2, and are transcribed differently from the corresponding rpo genes of E. coli. In E. coli the rpoBC genes are co-transcribed,

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30

Daniels, Michael John. "Metal binding to the cyanobacterial metallothionein SmtA." Thesis, University of Newcastle upon Tyne, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314096.

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31

Takeda, Kimitoshi. "Photoreaction dynamics of Cyanobacterial phytochrome 1 (Cph1)." Kyoto University, 2019. http://hdl.handle.net/2433/242633.

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32

Humpage, Andrew Raymond. "Tumour promotion by the cyanobacterial toxin microcystin /." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phh9258.pdf.

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Alley, M. R. K. "Molecular biological aspects of nitrogen starvation in cyanobacteria." Thesis, University of Warwick, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383376.

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34

Phelan, Richard Reginald. "Microcystin enhances the fitness of microcystin producing cyanobacteria at high light intensities by either preventing or retarding photoinhibition." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/d1020957.

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Several genera of cyanobacteria produce microcystin, a monocyclic peptide, with a unique chemical structure. To date, there have been over a 100 different structural variants of microcystin which have been identified. Microcystin production is affected by numerous environmental factors. However, the primary modulating factor for intracellular microcystin quota is the intracellular N:C ratio. No clearly defined biological role has been described for microcystin. Proposed roles for microcystin include defence against plankton grazers, metal chelation, an infochemical and a protectant against oxi

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35

Holmqvist, Marie. "The Cyanobacterial Uptake Hydrogenase : Regulation, Maturation and Function." Doctoral thesis, Uppsala universitet, Mikrobiell Kemi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-129223.

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With accellerating global warming and pollution problems a change of energy regime is necessary. Solar energy offers a clean and unlimited energy source of enormous potential. Due to it’s intermittenet nature solar energy must be stored - ideally in the chemical bond of a carrier molecule. Hydrogen gas, H2, an energy carrier with water as only emission when used in a fuel cell, is considered to be the choise for the future. In this context cyanobacteria show promising potential as future H2 factories since they can produce H2 from solar energy and water. The main enzymes directly involved in c

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36

Devine, Ellenor. "Cyanobacterial Hydrogen Metabolism : Regulation and Maturation of Hydrogenases." Doctoral thesis, Uppsala universitet, Mikrobiell kemi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-134246.

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In times with elevated CO2 levels and global warming there is a need of finding alternatives to carbon based energy carriers. One such environmental friendly solution could be H2 produced by living organisms. Cyanobacteria are good candidates since they can produce H2 from sunlight and water through the combination of photosynthesis and H2 producing enzymes i.e. nitrogenases and/or [NiFe]-hydrogenases. This thesis investigates the maturation and transcriptional regulation of [NiFe]-hydrogenases in cyanobacteria, with a special focus on hydrogenase specific proteases. The core of all hydrogenas

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Mailliet, Joël [Verfasser]. "Structural characterisation of cyanobacterial phytochrome Cph1 / Joël Mailliet." Gießen : Universitätsbibliothek, 2011. http://d-nb.info/1063178193/34.

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McElhiney, Jacqueline. "Purification, detection and biological effects of cyanobacterial toxins." Thesis, Robert Gordon University, 1999. http://hdl.handle.net/10059/528.

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The aesthetic beauty of a landscape is a very subjective issue: every person has their own opinions and their own idea of what beauty is. However, all people have a common evolutionary history, and, according to the Biophilia hypothesis, a genetic predisposition to liking certain types of landscapes. It is possible that this common inheritance allows us to attempt to model scenic preference for natural landscapes. The ideal type of model for such predictions is the psychophysical preference model, integrating psychological responses to landscapes with objective measurements of quantitative and

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Dunton, Peter G. "Molecular and structural studies of cyanobacterial gas vesicles." Thesis, University of Bristol, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.435853.

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Moore, Kelsey Reed. "Cyanobacterial evolution and interactions with the Proterozoic world." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/127144.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, May, 2020<br>Cataloged from the official PDF of thesis.<br>Includes bibliographical references.<br>Our understanding of the biosphere prior to the rise of complex life is built largely upon microbial mat structures and some exceptionally well-preserved microbial fossils from the Proterozoic (2500 to 540 million years ago). Some of these exceptional fossils are identifiable as cyanobacteria that were preserved by pyrite, amorphous silica (SiO₂) and other minerals. Although a record e

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El, Moustaid Fadoua. "MATHEMATICAL MODELING OF CYANOBACTERIAL DYNAMICS IN A CHEMOSTAT." Master's thesis, Temple University Libraries, 2015. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/335727.

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Mathematics<br>M.S.<br>We present a mathematical model that describes how cyanobacterial communities use natural light as a source of energy and water as a source of electrons to perform photosynthesis and therefore, grow and co-survive together with other bacterial species. We apply our model to a phototrophic population of bacteria, namely, cyanobacteria. Our model involves the use of light as a source of energy and inorganic carbon as a source of nutrients. First, we study a single species model involving only cyanobacteria, then we include heterotrophs in the two species model. The model c

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Villanueva, Chelsea Denise. "Molecular and Evolutionary Analysis of Cyanobacterial Taxonomic Methods." UNF Digital Commons, 2018. https://digitalcommons.unf.edu/etd/810.

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Cyanobacteria are a group of photo-oxygenic bacteria found in nearly every ecosystem, but much cyanobacterial diversity, in various habitats, has yet to be explored. Cyanobacteria are often conspicuous components of photosynthetic flora, providing significant carbon and nitrogen inputs to surrounding systems. As possible primary colonizers of stone substrates not native to this region, cyanobacteria isolated from headstones may provide biogeographically informative data. An exploratory study of lichen-dominated microbial consortia, growing on headstones, was conducted to isolate and identify n

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Muzzopappa, Fernando. "Carotenoid translocation and protein evolution in cyanobacterial photoprotection." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS493.

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Les cyanobactéries sont des organismes photosynthétiques capables de convertir le CO₂ en composés organiques et de produire de l’oxygène en utilisant l’énergie lumineuse. Néanmoins, de fortes intensités lumineuses saturent l'appareil photosynthétique, ce qui conduit à la production d'espèces réactives de l'oxygène, dangereuses pour la cellule. Pour y faire face, la photoactive orange carotenoid protein (OCP) induit une dissipation thermique de l’énergie excédentaire récoltée par le complexe d’antennes, le phycobilisome (PBS), afin de diminuer l’énergie arrivant aux centres photochimiques. L'OC

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Copp, Janine Naomi Biotechnology &amp Biomolecular Sciences Faculty of Science UNSW. "Catalysed activation of cyanobacterial biosynthetic pathways by phosphopantetheinyl transferases." Awarded by:University of New South Wales. School of Biotechnology and Biomolecular Sciences, 2005. http://handle.unsw.edu.au/1959.4/33254.

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Cyanobacteria produce a diverse array of natural products with significant potential in many biotechnological, clinical and commercial applications. These include pharmaceuticals, such as antitumour products, antibiotics, immunosuppressants, anticholesterolemics and anti-parasitic agents, as well as veterinary therapies and agrochemicals. These compounds are synthesised by complex secondary metabolism pathways involving polyketide synthases (PKS) and non-ribosomal peptide synthetases (NRPS), both of which require an essential phosphopantetheinyl transferase (PPT) for their activity. PPTs activ

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Yu, Esther Huiting. "Characterization of a cold shock cyanobacterial RNA helicase protein." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0004/MQ40129.pdf.

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46

Papaefthimiou, Dimitra. "Phylogeny, diversity and toxin production related to cyanobacterial symbioses." Doctoral thesis, Stockholm : Department of Botany, Stockholm university, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-6861.

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Sullivan, Matthew Brian 1975. "Ecology, diversity and comparative genomics of oceanic cyanobacterial viruses." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/39163.

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Thesis (Ph. D.)--Joint Program in Biological Oceanography (Massachusetts Institute of Technology, Dept. of Biology; and the Woods Hole Oceanographic Institution), 2004.<br>Also issued in pages.<br>Includes bibliographical references.<br>The marine cyanobacteria Prochlorococcus and Synechococcus are numerically dominant primary producers in the oceans. Each genera consists of multiple physiologically and genetically distinct groups (termed "ecotypes" in Prochlorococcus). Cyanobacterial viruses (cyanophages) that infect Synechococcus are abundant (to 104-106 phage ml-1) in the oceans and calcula

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48

Zhang, Feng. "Cyanobacterial blooms: causes, innovative monitoring and human health impact." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1405800137.

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49

Siurana, Paula Maria. "Modelling and multiobjective optimization for simulation of cyanobacterial metabolism." Doctoral thesis, Universitat Politècnica de València, 2017. http://hdl.handle.net/10251/90578.

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The present thesis is devoted to the development of models and algorithms to improve metabolic simulations of cyanobacterial metabolism. Cyanobacteria are photosynthetic bacteria of great biotechnological interest to the development of sustainable bio-based manufacturing processes. For this purpose, it is fundamental to understand metabolic behaviour of these organisms, and constraint-based metabolic modelling techniques offer a platform for analysis and assessment of cell's metabolic functionality. Reliable simulations are needed to enhance the applicability of the results, and this is the ma

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Steenhauer, Lisa Marie. "Freshwater Viruses: From Ecosystem Dynamics to the Cyanobacterial Cell." Thesis, Griffith University, 2014. http://hdl.handle.net/10072/366666.

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Résumé :

Viruses are the most abundant entity in freshwaters, and are an important cause of mortality of both heterotrophic and autotrophic organisms. As a result, they play a role in both structuring aquatic microbial communities within a water body and influencing their diversity. They can mediate nutrient cycling by preventing a portion of primary production from accumulating up the food chain, and may instead lyse cells and release nutrients and carbon, which may in turn promote more microbial growth. To fully understand the ecological functioning of freshwater environments it is vital to determine

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