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Tesi sul tema "Archaebacteria"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 febbraio 2023

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1

Stevens, A. F. "Studies on the extremely halophilic archaebacteria." Thesis, University of Leicester, 1985. http://hdl.handle.net/2381/35419.

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A variety of techniques have been employed to study the taxonomic relationships within a large number of extremely halophilic archaebacteria, including both alkaliphilic and neutrophilic isolates. These techniques include a computer-assisted analysis of whole cell and ribosomal protein patterns, after separation by one-dimensional SDS- polyacrylamide gel electrophoresis. The API-ZYM system has been applied to the extreme halophiles to produce, and then compare, the partial enzyme profiles of a large number of strains. The serotaxonomy of the major cell envelope component of the archaebacterial

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2

Galada, Ncebakazi. "Exploring diversity and ecology of nonarchaea in hydrothermal biotopes." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&amp.

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The Nanoarchaeota were proposed as the fourth archaeal sub-division in 2002, and the only fully characterized nanoarchaeon was found to exist in a symbiotic association with the crenarchaeote, Ignicoccus sp. This nanoarchaeote, named Nanoarchaeum equitans could not be detected with &ldquo<br>universal&rdquo<br>archaeal 16S PCR primers and could only be amplified using specifically designed primers. In order to identify and access a wide diversity of archaeal phylotypes a new set of &ldquo<br>universal&rdquo<br>archaeal primers A571F (5&rsquo<br>-GCY TAA AGS RIC CGT AGC-3&rsquo<br>) and UA1204R

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3

Lin, Xinli. "Isolation and characterization of new pterins from nonmethanogenic archaebacteria." Diss., Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/77823.

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Several new pterins have been discovered in halophilic and thermoacidophilic archaebacteria. Two of these were identified in the extreme halophiles and were thus called halopterins. One of these halopterins is produced by Halobacterium salinarium, Halobacterium halobium, and Halococcus morrhuae and is called phosphohalopterin-1. It was given this name because it was the first halopterin discovered and it has four monophosphate esters per dimeric pterin. The proposed structure of phosphohalopterin-1 is as follows. [see document for diagram of chemical structure] The other halopterin, which is

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4

Brown, James W. "RNA polymerase binding sites and polyadenylated RNAs in archaebacteria /." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487591658174843.

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5

Giaquinto, Laura School of Biotechnology &amp Biomolecular Science UNSW. "The characterization of Csp (Cold Shock Protein) from the Antarctic archaeon, Methanogenium frigidum." Awarded by:University of New South Wales. School of Biotechnology and Biomolecular Science, 2006. http://handle.unsw.edu.au/1959.4/26148.

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Cold shock proteins (Csp) are small acidic proteins that fold into ??-barrel structures with five anti-parallel ??-strands and are involved in essential cellular processes. Upon temperature downshift the synthesis of Csp proteins is drastically increased to enable cells to restore growth in the cold. These proteins facilitate transcription and translation at low temperature by functioning as RNA chaperones. Csp proteins have been most extensively studied in Bacteria but very few Csp homologues have been identified and studied in Archaea. This is the first study examining structural, functional

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6

Morozova, Daria. "Tolerance limits and survival potential of methanogenic archaea from Siberian permafrost under extreme living conditions = Toleranzgrenzen und Überlebensstrategien von methanogenen Archaeen aus sibirischen Permafrosthabitaten unter Extrembedingungen /." Bremerhaven : Alfred-Wegener-Institut für Polar- und Meeresforschung, 2007. http://www.loc.gov/catdir/toc/fy0804/2008384365.html.

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7

Beckler, Gregory Scott. "Structure and analysis of the hisA and hisI genes of the archaebacterium Methanococcus vannielii /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487330761219015.

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8

Munro, Stacey. "Investigation of the transcriptional response of Sulfolobus solfataricus to damaging agents." Thesis, St Andrews, 2009. http://hdl.handle.net/10023/743.

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9

Stewart, John E. B. (John Edward Bakos). "Characterization of Aspartate Transcarbamoylase in the Archaebacterium Methanococcus Jannaschii." Thesis, University of North Texas, 1996. https://digital.library.unt.edu/ark:/67531/metadc935724/.

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Asparate transcarbamoylase catalyzes the first committed step in the de novo synthesis of pyrmidine nucleotides UMP, UDP, UTP, and CTP. The archetype enzyme found in Escherichia coli (310 kDa) exhibits sigmodial substrate binding kinetics with positive control by ATP and negative control with CTP and UTP. The ATCase characterized in this study is from the extreme thermophilic Archaebacterium, Methanococcus jannaschii. The enzyme was very stable at elevated temperatures and possessed activity from 20 degrees Celsius to 90 degrees Celsius. M. Jannaschii ATCase retained 75% of its activity after

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10

Richards, Jodi Dominique. "Helicases and DNA dependent ATPases of Sulfolobus solfataricus /." St Andrews, 2008. http://hdl.handle.net/10023/474.

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11

Wiedenheft, Blake Alan. "Sulfolobus as a model organism for the study of diverse biological interests forays into thermal virology and oxidative stress /." Diss., Montana State University, 2006. http://etd.lib.montana.edu/etd/2006/wiedenheft/WiedenheftB1206.pdf.

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12

Smith, Leon David. "Studies of dehydrogenases from thermoacidophilic archaebacteria with a view to cofactor regeneration." Thesis, University of Bath, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328734.

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13

Morris, Christina Jane. "DNA sequences and comparison of argininosuccinate synthetase genes from two methanogenic archaebacteria /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487332636476356.

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14

Yu, Zhiliang. "Use of ValRS-IleRS interparalog distance for the analysis of the phylogenetic relationships between methanopyrus isolates from the atlantic, pacific and indian oceans /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?AMCE%202007%20YU.

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15

Orofino, Maria J. "Heavy Metal ATPases from Archaeabacteria to Plants." Digital WPI, 2006. https://digitalcommons.wpi.edu/etd-theses/662.

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PIB-ATPases are membrane proteins that transport heavy metal ions across biological membranes upon ATP-hydrolysis. These enzymes contribute to metal homeostasis in archaeal, prokaryotic and eukaryotic cells. Typically, most PIB-ATPases have eight transmembrane segments, one or more metal binding domains in the cytoplasmic N-terminal region and a series of amino acids conserved in all the members of this family. By sequence homology analysis, the metal specificity for most ATPases has been predicted. Here, we report studies on PIB-ATPases from different organisms. The first part of this work

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16

Menaia, Jose Antonio Gomes Ferreira. "Osmotics of halophilic methanogenic archaeobacteria /." Full text open access at:, 1992. http://content.ohsu.edu/u?/etd,239.

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17

Srinivasan, Gayathri. "Translation of the amber codon in methylamine methyltransferase genes of a methanogenic archaeon." Columbus, Ohio Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1072732858.

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Thesis (Ph.D.)--Ohio State University, 2003.<br>Title from first page of PDF file. Document formatted into pages; contains xvi, 147 p.; also includes graphics (some col.). Includes abstract and vita. Advisor: Joseph A. Krzycki, Dept. of Microbiology. Includes bibliographical references (p. 122-147).

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18

Finn, Michael W. "Discovery of a biochemical pathway to generate ribulose 1,5-bisphosphate and subsequent CO2 fixation through ribulose carboxylase/oxygenase (rubisCO) in Methanococcus jannaschii." Columbus, Ohio : Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1077915999.

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Thesis (Ph. D.)--Ohio State University, 2004.<br>Title from first page of PDF file. Document formatted into pages; contains xiii, 149 p.; also includes graphics. Includes abstract and vita. Advisor: F. Robert Tabita, Dept. of Microbiology. Includes bibliographical references (p. 144-149).

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19

Jem, Kwan-min Jim. "Development of a low-cost industrial recovery process to produce a novel hyperthermophilic alpha amylase overexpressed as inclusion bodies /." Thesis, Connect to Dissertations & Theses @ Tufts University, 2002.

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Thesis (Ph.D.)--Tufts University, 2002.<br>Adviser: Eliana De Bernardez Clark. Submitted to the Dept. of Chemical Engineering. Includes bibliographical references. Access restricted to members of the Tufts University community. Also available via the World Wide Web;

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20

Laughery, Marian Frances. "Cellular response of the hyperthermophilic archaeon Sulfolobus solfataricus to radiation damage." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Fall2009/m_laughery_111609.pdf.

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Thesis (M.S. in biochemistry)--Washington State University, December 2009.<br>Title from PDF title page (viewed on Jan. 20, 2010). "School of Molecular Biosciences." Includes bibliographical references.

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21

Larson, Eric Thomas. "X-Ray Crystallographic Studies of Sulfolobus Turetted Icosahedral Virus (STIV): A Hyperthermophilic Virus from Yellowstone National Park." Thesis, Montana State University, 2006. http://etd.lib.montana.edu/etd/2006/larson/LarsonE1206.pdf.

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Sulfolobus turreted icosahedral virus (STIV) was isolated from acidic hot springs of Yellowstone National Park and was the first hyperthermophilic virus described with icosahedral capsid architecture. Structural analysis of the STIV particle and its major capsid protein suggests that it belongs to a lineage of viruses that predates the division of the three domains of life. Functional predictions of the viral proteins are hindered because they lack similarity to sequences of known function. Protein structure, however, may suggest functional relationships that are not apparent from the sequence

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22

Geary, Joella Suzanne. "DNA binding proteins of archaeal viruses." Thesis, Montana State University, 2008. http://etd.lib.montana.edu/etd/2008/geary/GearyJ1208.pdf.

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Archaea are single-celled organisms comprising the third domain of life. The Achaeal species Sulfolobus are infected by the Fuselloviridae virus family: SSV1, SSV2, SSV-RH, and SSV-K. The genomes of these viruses have been annotated and contain putative DNA-binding proteins. The purpose of this work is to identify DNA sequences bound by the SSV1 putative DNA-binding protein C43. C43 protein was cloned, expressed, purified, and assayed at various temperatures for interaction with three SSV1 DNA sequences. C43 binds the T5-promoter, T6-promoter, and C43-promoter sequentially and consistently. Ad

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23

Tarlykov, Pavel Victorovich. "Chemical approaches to probe environmental stress in Archaea." Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2009/tarlykov/TarlykovP0509.pdf.

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Little is known about strategies and mechanisms employed by thermophilic organisms to adapt to environmental stress. Sulfolobus solfataricus is a thermophile that belongs to Archaea, the third domain of life, and can be found in unusual habitats, such as the hot springs of Yellowstone National Park. This archaeon can tolerate high temperature, extreme acidity and high concentrations of heavy metals and other toxic substances. Thus, S. solfataricus has been chosen by many researchers as a model system for biochemical, structural, and genetic studies. In this work S. solfataricus has been expose

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24

Zhou, Dan. "Biosynthesis of Caldariellaquinone in Sulfolobus acidocaldarius." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39854.

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25

Eustis, Robyn Lynn. "The Role of Pyrococcus furiosus Transcription Factor E in Transcription Iniitiation." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2522.

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All sequenced archaeal genomes encode a general transcription factor, TFE, which is highly conserved and homologous to the alpha subunit of the eukaryotic transcription factor TFIIE. TFE functions to increase promoter opening efficiency during transcription initiation, although the mechanism for this is unclear. The N-terminus of TFE contains a common DNA binding motif, a winged helix. At the tip of this winged helix is a highly conserved region of aromatic amino acids that is close to DNA during initiation. TFE activation can compensate for mutations in another transcription factor, TFB2, whi

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26

Bhattarai, Arati. "The orientation of the Pyrococcus furiosus transcription factor TFB2 in the transcription initiation complex." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1938.

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The hyperthermophile archaeon, Pyrococcus furiosus encodes two eukaryotic TFIIB family proteins, TFB1 and TFB2. TFB1 is very similar to TFIIB in terms of sequence homology and function, whereas TFB2 is unusual as it is missing highly conserved sequences in its N-terminal domain that are present in TFIIB and TFB1. Despite this, TFB2 is effective in transcription process, albeit with lower efficiency compared to TFB1. Other archaea also contain multiple TFBs, but unlike Pyrococcus furiosus TFB2, these multiple TFBs have higher sequence homology to each other and have similar transcription effici

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27

Kelley, John Forad. "Expanding Metabolic Diversity of Two Archaeal Phyla: Nanoarchaeota and Korarchaeota." PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3835.

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Culture independent studies have revealed a greater diversity of Archaea than the two kingdoms initially defined by Carl Woese. Culturing species from the newly discovered archaeal lineages, as with the majority of microbes, has been difficult. To overcome the culturing dilemma, metagenomics is being used to reconstruct environmental genomes. Two metagenomic studies are presented in this thesis, with the aim of recovering newly proposed archaeal genomes from the Nanoarchaeota and Korarchaeota. In the first study, a sediment sample, NZ13, was collected from a terrestrial New Zealand hot spring.

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28

Sheffield, Kimberly Kay. "Interplay of Transcription Factor E and Spt4/5 During Transcription Initiation in Pyrococcus furiosus." PDXScholar, 2018. https://pdxscholar.library.pdx.edu/open_access_etds/4444.

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Transcription, the first step in gene expression, is a highly regulated process which relies on a multi-protein complex to occur. Among these proteins are transcription factors, including initiation and elongation factors, which play differing roles in early and late stages of transcription. The mechanisms of transition from transcription initiation to elongation are not well understood in archaea, nor are the structures of the transcription factors involved. For transcription to occur in vitro, transcription factors TATA binding protein (TBP) and Transcription Factor B (TFB) are sufficient to

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29

Mackay, Dale Tara. "Characterisation of Sulfolobus solfataricus Ard1, a promiscuous N-acetyltransferase." Thesis, St Andrews, 2008. http://hdl.handle.net/10023/468.

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30

Arp, Jennifer Rebecca. "Quantification of marine archaea in the Cape Fear River Estuary in southeastern North Carolina using fluorescence in situ hybridization /." Electronic version (PDF), 2003. http://dl.uncw.edu/etd/2003/arpj/jenniferarp.html.

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31

Iverson, Eric Alexander. "A Genetic and Biochemical Analysis of Sulfolobus Spindle-Shaped Virus 1." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2641.

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Viruses infecting the Archaea exhibit a tremendous amount of morphological and genetic diversity. This is especially true for crenarchaeal viruses from the family Fuselloviridae, which possess spindle-shaped capsids and genomes that harbor a great number of uncharacterized genes. The functions of these unidentified gene products are of interest as they have the potential to provide valuable insights into the fusellovirus infection cycle and archaeal viruses in general. In an effort to better characterize the genetic requirements of the Fuselloviridae, we have performed genetic and biochemical

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32

Goodman, David Andrew. "Comparative Genetic and Genomic Analysis of the Novel Fusellovirus Sulfolobus Spindle-shaped Virus 10." PDXScholar, 2018. https://pdxscholar.library.pdx.edu/open_access_etds/4496.

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Viruses that infect thermophilic Archaea are unique in both their structure and genetic makeup. The lemon-shaped fuselloviruses - which infect members of the order Sulfolobales, growing optimally at 80º C and pH 3 - are some of the most ubiquitous and best studied viruses of the thermoacidophilic Archaea. They provide a malleable and useful genetic tool for probing into the functions of their host, as well as the host responses to infection. Nonetheless, much about these viruses remains to be learned to further understand their morphological, genetic, and life cycle characteristics. In order t

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33

Janzen, Timothy William, and University of Lethbridge Faculty of Arts and Science. "Subunit interactions within box C/D sRNPs." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Chemistry and Biochemistry, c2010, 2010. http://hdl.handle.net/10133/2547.

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Box C/D small ribonucleoproteins (box C/D sRNPs) are responsible for the 2’-O-methylation required for the complete maturation of precursor rRNA. Archaeal box C/D sRNPs, like eucarya, are composed of four components: a guide RNA (box C/D sRNA), an RNA binding protein (L7ae), a 2’-O-methyltransferase (Fibrillarin) and a structural protein (Nop5). Here we develop several approaches for studying box C/D sRNP assembly. In particular, we have used pulldown and mobility shift assays to identify box C/D sRNP assembly intermediates (Nop5-aFib and L7ae-sR1). We have also demonstrated that isothermal ti

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34

Burke, Paula Louise, and University of Lethbridge Faculty of Arts and Science. "The oligomeric state of archaeal fibrillarin : implications in the organization and function of essential box C/D sRNP particles." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2006, 2006. http://hdl.handle.net/10133/540.

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Several vital cellular processes are preformed by large ribonucleoprotein (RNP) complexes. In archaeal and eukaryotic cells one example of these essential RNP particles is the box C/D sRNP. In archaea, this complex is responsible for methylation of ribosomal RNA (rRNA) and transfer RNA (tRNA) during their maturation. Archaeal fibrillarin (aFib) is the 2'-O methyltransferase responsible for catalysis by this complex. In this work we have identified the ability of aFib from Sulfolobus acidocaldarius to form dimers at biologically relevant concentrations and the structural determinants essential

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35

Leng, Jie. "Purification and characterization of a protein phosphatase (PP1-Arch) from the archaebacterium Sulfolobus solfataricus, isolation and expression of its gene." Diss., Virginia Tech, 1994. http://hdl.handle.net/10919/39141.

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PP1-Arch was verified as a protein phosphatase by both acid molybdate extraction and thin layer electrophoresis. Soluble fraction was prepared from <i>Sulfolobus solfataricus</i>, from which PP1-Arch was purified over 1OOO-fold by DE-52 ion-exchange, hydroxyapatite, gel filtration (G- 100), and Mono Q FPLC chromatography. PP1-Arch was identified from the final purified sample by renaturation on an SDS-polyacrylamide gel. The molecular size of PP1-Arch was determined by both gel filtration chromatography and SDS-PAGE as 28 kDa and 33 kDa, respectively, which suggests that PP1-Arch is a monomer.

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36

Holden, James Francis. "Ecology, diversity, and temperature-pressure adaptation of the deep-sea hyperthermophilic Archaea Thermococcales /." Thesis, Connect to this title online; UW restricted, 1996. http://hdl.handle.net/1773/11044.

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37

Xie, Yunwei. "Nucleosomes, transcription and transcription regulation in Archaea." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1127830717.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xiv, 200 p.; also includes graphics (some col.). Includes bibliographical references (p. 167-197). Available online via OhioLINK's ETD Center

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38

Wu, Ming-Hsiao. "Temperature Dependent Transcription Initiation in Archaea: Interplay between Transcription Factor B and Promoter Sequence." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/2021.

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In Pyrococcus furiosus (Pfu), a hyperthermophile archaeon, two transcription factor Bs, TFB1 and TFB2 are encoded in the genomic DNA. TFB1 is the primary TFB in Pfu, and is homologous to transcription factor IIB (TFIIB) in eukaryotes. TFB2 is proposed to be a secondary TFB that is compared to TFB1, TFB2 lacks the conserved B-finger / B-reader / B-linker regions which assist RNA polymerase in transcription start site selection and promoter opening functions respectively. P. furiosus, like all Archaea, encodes a single transcription factor E (TFE), that is homologous to the N-terminus of transcr

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39

Kreel, Nathaniel Edward. "Examination of Mutants that Alter Oxygen Sensitivity and CO₂/O₂ Substrate Specificity of the Ribulose 1,5-Bisphosphate Carboxylase/Oxygenase (Rubisco) from Archaeoglobus fulgidus." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1204513403.

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40

Rutherford, Alexander Fenner. "Abundance and Distribution of Major and Understudied Archaeal Lineages at Globally Distributed Deep-Sea Hydrothermal Vents." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1555.

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Deep-sea hydrothermal vents are some of the most biologically productive ecosystems on Earth, yet receive little to no input of photosynthetically derived organic matter. The trophic system at hydrothermal vents is based primarily on the reduction-oxidation (redox) of inorganic chemicals by Bacteria and Archaea. However, the distributional patterns of the microorganisms that colonize deep-sea hydrothermal vent deposits and their link to the geologic setting are still not deeply understood. The goal of the studies presented in this thesis was to quantify the abundance, and distribution of major

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41

Rudolf, Jana. "Characterisation of XPD from Sulfolobus acidocaldarius : an iron-sulphur cluster containing DNA repair helicase." Thesis, St Andrews, 2007. http://hdl.handle.net/10023/159.

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42

Cao, Huiluo, and 曹慧荦. "Molecular ecology of ammonia oxidizing archaea and bacteria." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B47155358.

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The newly recognized ammonia-oxidizing archaea (AOA) makes re-evaluation of the contribution to ammonia oxidization by both AOA and ammonia-oxidizing bacteria (AOB) necessary and meaningful. The growing population and increasing anthropogenic activities around coastlines have affected wetland and coastal marine ecosystems through discharging polluted water containing large amounts of reactive inorganic nitrogen. The objectives of this study were to detect the phylogenetic diversity and abundance of ammonia oxidizers including AOA and AOB on different scales and to elucidate the distribution p

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43

McRobbie, Anne-Marie M. "Splitting, joining and cutting : mechanistic studies of enzymes that manipulate DNA." Thesis, University of St Andrews, 2010. http://hdl.handle.net/10023/951.

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DNA is a reactive and dynamic molecule that is continually damaged by both exogenous and endogenous agents. Various DNA repair pathways have evolved to ensure the faithful replication of the genome. One such pathway, nucleotide excision repair (NER), involves the concerted action of several proteins to repair helix-distorting lesions that arise following exposure to UV light. Mutation of NER proteins is associated with several genetic diseases, including xeroderma pigmentosum that can arise upon mutation of the DNA helicase, XPD. The consequences of introducing human mutations into the gene en

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44

Lundgren, Magnus. "Exploring the Cell Cycle of Archaea." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7848.

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45

St, John Emily Joyce. "Symbiosis in Archaea: Functional and Phylogenetic Diversity of Marine and Terrestrial Nanoarchaeota and their Hosts." PDXScholar, 2019. https://pdxscholar.library.pdx.edu/open_access_etds/4939.

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The Nanoarchaeota are an enigmatic lineage of Archaea found in deep-sea hydrothermal vents and geothermal springs across the globe. These small (~100-400 nm) hyperthermophiles live ectosymbiotically with diverse hosts from the Crenarchaeota. Despite their broad distribution in high-temperature environments, very few Nanoarchaeota have been successfully isolated in co-culture with their hosts and nanoarchaeote genomes are poorly represented in public databases. However, the Nanoarchaeota provide unique insights into the structure and function of symbiosis in the archaeal domain. This study desc

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46

Longstaff, David Gordon. "Requirements and rationale for amber translation as pyrrolysine." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1196107921.

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47

Shimmin, Lawrence Charles. "An archaebacterial ribosomal protein gene cluster." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/30994.

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Abstract (sommario):

The eubacteria, archaebacteria and eucaryota evolved from a common ancestral state, the progenote, approximately 4,000 million years ago. The archaebacteria flourish in extreme environments, exhibiting unusual macromolecular structures and metabolism of which much has recently been elucidated. Less, however, is known of the genetics of archaebacteria. In order to investigate gene structure, organization, regulation and evolution in the archaebacteria a gene cluster encoding the ribosomal proteins of the GTPase domain was cloned from the extremely halophilic archaebacterium Halobacterium cutiru

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48

Herbold, Craig William. "Ribosomal mosaicism in the archaebacterial eocytes." Diss., Restricted to subscribing institutions, 2009. http://proquest.umi.com/pqdweb?did=1930912501&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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49

Pulukkunat, Dileep K. "Biochemical studies on archaeal ribonuclease P reveal thematic convergence in protein-facilitated RNA catalysis." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1206094060.

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50

HAMAL, ABDELLAH. "Etude des adn polymerases chez les archaebacteries." Paris 11, 1991. http://www.theses.fr/1991PA112195.

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Abstract (sommario):

Une adn polymerase thermophile a ete purifiee a homogeneite chez l'archaebacterie thermoplasma acidophilum. L'analyse de l'adn polymerase purifiee sur gel de polyacrylamide en conditions denaturantes revele qu'elle correspond a polypeptide de 588 kda qui co-sedimente avec l'activite adn polymerase sur gradient de saccharose. La combinaison de la sedimentation et du gel filtration ont permis de conclure que l'adn polymerase purifiee est une enzyme monomerique constituee d'un unique polypeptide de 88 kda. Cette adn polymerase est resistante a l'aphidicoline, peu sensible au ddttp et inhibee par

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