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Dissertations / Theses on the topic 'Anoxygenic'

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1

Asao, Marie. "Diversity of anoxygenic phototrophic bacteria in alkaline environments /." Available to subscribers only, 2008. http://proquest.umi.com/pqdweb?did=1650504121&sid=12&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Thesis (Ph.D.)--Southern Illinois University Carbondale, 2008.<br>"Department of Molecular Biology, Microbiology and Biochemistry." Includes bibliographical references (p. 155-172). Also available online.
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2

Waidner, Lisa A. "Abundance, diversity, and distribution of aerobic anoxygenic phototrophic bacteria in the Delaware estuary." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 219 p, 2007. http://proquest.umi.com/pqdweb?did=1362525071&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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3

Sun, Min [Verfasser]. "Investigation on the production of secondary metabolites from anoxygenic phototrophic bacteria. / Min Sun." Kiel : Universitätsbibliothek Kiel, 2016. http://d-nb.info/1084634139/34.

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4

Gibbison, Robert. "Porphyrins and 1H-pyrrole-2,5-diones (maleimides) as indicators of anoxygenic photosynthesis in palaeowater columns." Thesis, University of Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296647.

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5

Grégoire, Daniel. "Photosynthetic and Fermentative Bacteria Reveal New Pathways for Biological Mercury Reduction." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/38722.

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Mercury (Hg) is a global pollutant and potent neurotoxin that bioaccumulates in aquatic and terrestrial food webs as monomethylmercury (MeHg). Anaerobic microbes are largely responsible for MeHg production, which depends on the bioavailability of inorganic Hg substrates to methylators. Hg redox cycling pathways such as Hg reduction play a key role in determining Hg’s availability in the environment. Although abiotic photochemical Hg reduction typically dominates in oxic surface environments, Hg reduction pathways mediated by photosynthetic and anaerobic microbes are thought to play an importan
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6

Schneidewind, Judith [Verfasser], and Karl-Erich [Gutachter] Jaeger. "Phylogenie, Evolution und strukturelle Basis der lichtabhängigen Protochlorophyllid Reduktion in aerob anoxygenen phototrophen Bakterien / Judith Schneidewind ; Gutachter: Karl-Erich Jaeger." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2020. http://d-nb.info/1204634718/34.

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7

Tomasch, Jürgen Martin [Verfasser], and Irene [Akademischer Betreuer] Wagner-Döbler. "Experimentelle und bioinformatische Analyse der aeroben anoxygenen Photosynthese in dem photoheterotrophen Meeresbakterium Dinoroseobacter shibae DFL12 / Jürgen Martin Tomasch ; Betreuer: Irene Wagner-Döbler." Braunschweig : Technische Universität Braunschweig, 2011. http://d-nb.info/117589107X/34.

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8

Řádek, Martin. "Izolace a charakterizace fotosyntetických komplexů z fotoheterotrofních bakterií." Master's thesis, 2010. http://www.nusl.cz/ntk/nusl-285132.

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Aerobic anoxygenic phototrophs (AAPs) represent a relatively recently discovered unique BChl a-containing bacterial community. These organisms own a fully functional bacterial photosynthetic system. Their photosynthesis is operative only in the presence of oxygen. However, they are not able to grow autotrophically, they require a source of organic carbon for growth and metabolism. I have characterized the photosynthetic apparatus of Erythrobacter sp. NAP1, Roseobacter sp. COL2P and the strains Dor-2m, Dor-vul and Zun-kholbo. BChl a performs the function of the main light-harvesting pigment. Sp
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9

Chen, Chang-Fa, and 陳正發. "Studies of Isolation and Cultivation of Anoxygenic Photosynthetic Bacteria at Liuhuangku." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/71471102134701526082.

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碩士<br>中國文化大學<br>生物科技研究所<br>87<br>This study is to isolate and purify anoxygenic photosynthetic bacteria in Taiwan. The morphology, biochemistry, physiology and 16S rRNA of these species have been characterized and two of the species have been identified as Rhodopseudomonas palustris. This will improve the local collection of photosynthetic bacteria. The two species oil-001 and oil-002 of Rhodopseudomonas palustris are both isolated from one of the stream of Liuhugangku which has an acidic environment (pH 3.5~5.6). The morphology of these two species is slightly different. They are both rod sha
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10

BENDOVÁ, Markéta. "Genetická analýza chlorofylid reduktázy u aerobních anoxygenních fototrofů." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-54464.

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This thesis is concerned with designing specific primers for the gene bchY of chlorophyllid reductase from biosynthetic pathway of bacteriochlorophyll a and using this gene as a molecular marker for detection of aerobic anoxygenic phototrophs. The phylogenetic analyses based on gene bchY was done from selected AAP isolates and natural microbial communities in lakes in the Tyrolian Alps.
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11

Tran, Nhu-Hoa [Verfasser]. "New organic substrates for anoxygenic phototrophic bacteria / vorgelegt von Tran Nhu Hoa." 2008. http://d-nb.info/989222128/34.

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12

Cardoso, Maria Inês Dias 1987. "Diversity of aerobic anoxygenic phototrophic bacteria in microphytobenthic biofils from Tagus estuary." Master's thesis, 2013. http://hdl.handle.net/10451/9483.

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Tese de mestrado. Biologia (Microbiologia Aplicada). Universidade de Lisboa, Faculdade de Ciências, 2013<br>Aerobic anoxygenic phototrophic bacteria (AAnPB) are primarily heterotrophic organisms capable of harvesting light energy using photosynthetic reaction centres composed of bacteriochlorophyll a (BChl a), that in contrast to the related purple photosynthetic bacteria are unable to use the light for anaerobic growth and require oxygen to respire organic compounds, which are essential for growth. This functional group is present in many habitats and seems to be very abundant in estuarine wa
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13

Csotonyi, Julius Thomas. "Anoxygenic photosynthetic communities and heavy element transformations in extreme environments: hydrothermal and hypersaline ecosystems." 2011. http://hdl.handle.net/1993/4387.

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The current research project investigated the anoxygenic phototrophic and metal(loid) transforming bacteria of hypersaline and deep ocean hydrothermal environments. The East German Creek brine springs, an unusual flowing hypersaline system, was enumerated using classical techniques. Subterranean sulfide supported purple sulfur and nonsulfur bacteria, but at the highly oxygenated surface, aerobic anoxygenic phototrophs (AAP) were numerically dominant (up to 16-36% of cultivable bacteria). Strains (EG8, EG13, EG17, EG19) with unusual phylogenetic affiliation and novel photosynthetic and metal(lo
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14

"Genome Sequencing and Analysis of the Psychrophilic Anoxygenic Phototrophic Bacterium Rhodoferax antarcticus sp. ANT.BR." Master's thesis, 2011. http://hdl.handle.net/2286/R.I.9451.

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abstract: Rhodoferax antarcticus strain ANT.BR, a purple nonsulfur bacterium isolated from a microbial mat in Ross Island, Antarctica, is the first described anoxygenic phototrophic bacterium that is adapted to cold habitats and is the first beta-proteobacterium to undergo complete genome sequencing. R. antarcticus has unique absorption spectra and there are no obvious intracytoplasmic membranes in cells grown phototrophically, even under low light intensity. Analysis of the finished genome sequence reveals a single chromosome (3,809,266 bp) and a large plasmid (198,615 bp) that together harbo
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15

MUZZIOTTI, GIL DAYANA ISABEL. "Physiological response of the anoxygenic photosynthetic bacterium Rhodopseudomonas palustris 42OL to high light intensity." Doctoral thesis, 2016. http://hdl.handle.net/2158/1028530.

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This thesis is constituted of an introductive section given detailed information about the metabolic versatility of purple non sulfur bacteria. An exhaustive description of the photo-fermentation process in purple non sulfur bacteria is also offered, with particular consideration to the conditions needed to produce hydrogen. The acclimation (chromo-acclimation) to high light intensities in purple non sulfur bacteria is detailed described, and the role of photo-pigments into this process is highly considered. Moreover, a short description of all ways to dissipate the excess of energy by photosy
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16

Ritchie, Anna E. "Distributions and diversity of aerobic anoxygenic phototrophic bacteria along onshore offshore transects near Pacific Islands." Thesis, 2008. http://hdl.handle.net/10125/20791.

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17

"Photosynthetic Agents of Carbonate Bioerosion in Endolithic Microbiomes." Doctoral diss., 2020. http://hdl.handle.net/2286/R.I.62790.

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abstract: Cyanobacteria and algae living inside carbonate rocks (endoliths) have long been considered major contributors to bioerosion. Some bore into carbonates actively (euendoliths); others simply inhabit pre-existing pore spaces (cryptoendoliths). While naturalistic descriptions based on morphological identification have traditionally driven the field, modern microbial ecology has shown that this approach is insufficient to assess microbial diversity or make functional inferences. I examined endolithic microbiomes using 16S rRNA genes and lipid-soluble photosynthetic pigments as biomarkers
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18

KOPEJTKA, Karel. "Genome analysis of the haloalkaliphilic bacterium Rhodobaca barguzinensis." Doctoral thesis, 2019. http://www.nusl.cz/ntk/nusl-394345.

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This PhD thesis presents results of a research focussed on the evolution of phototrophy in the bacterial order Rhodobacterales with a special regard to its haloalkaliphilic representatives. The photoheterotrophic bacterium Rhodobaca barguzinensis alga05 was used as an organism of choice. Its phylogeny, genome organization, and metabolic potential was characterized. The main result of the thesis is that phototrophy is a genuine trait among the haloalkaliphilic representatives of the Rhodobacter-Rhodobaca group inside the Rhodobacterales clade.
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