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Tesi sul tema "LuxR"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 11 marzo 2023

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1

Faini, Marie Annette. "Transcriptional Control during Quorum Sensing by LuxR and LuxR Homologues." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/31994.

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Abstract (sommario):
Quorum sensing is a mechanism used by many proteobacteria to regulate expression of target genes in a population-dependent manner. The quorum sensing system of Vibrio fischeri activates the luminescence (lux) operon when the autoinducer signaling molecule (N-3-oxohexanoyl homoserine lactone) is recognized and bound by the activator protein LuxR. LuxR subsequently binds to the lux box centered at à 42.5 bp upstream of the transcription initiation site and activates transcription from the lux operon promoter, resulting in the emission of light at high cell densities. LuxR consists of 250 amino
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2

Collins, Cynthia Hollie Parker Carl Stevens. "Directed evolution of the transcriptional activator LuxR /." Diss., Pasadena, Calif. : Caltech, 2006. http://resolver.caltech.edu/CaltechETD:etd-12272005-160649.

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3

Brameyer, Sophie. "Cell-cell communication via LuxR solos in Photorhabdus species." Diss., Ludwig-Maximilians-Universität München, 2015. http://nbn-resolving.de/urn:nbn:de:bvb:19-181139.

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Abstract (sommario):
Bacteria constantly need to monitor their environment and adapt the bacterial group-coordinated behaviour to changing habitats like nutrition alterations or host variations. Commonly cell-cell communication via acyl homoserine lactones (AHLs)is used to synchronise the behaviour of a bacterial population dependent on cell size. This process is referred to as quorum sensing (QS) and predominantly occurs in Gram-negative bacteria. The typical QS system consists of a LuxI-synthase that synthesises AHLs, and a LuxR-type receptor, which then responds to these AHLs. Upon AHL-binding, the LuxR-type r
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4

Trott, Amy Elizabeth. "Amino Acid Residues in LuxR Critical for its Mechanism of Transcriptional Activation during Quorum Sensing." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/34070.

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Abstract (sommario):
<I>Vibrio fischeri</I>, a symbiotic bioluminescent bacterium, serves as one of the best understood model systems for a mechanism of cell-density dependent bacterial gene regulation known as quorum sensing. During quorum sensing in <I>V. fischeri</I>, an acylated homoserine chemical signal (autoinducer) is synthesized by the bacteria and used to sense their own species in a given environment. As the autoinducer levels rise, complexes form between the autoinducer and the N-terminal domain of a regulatory protein, LuxR. In response to autoinducer binding, LuxR is believed to undergo a conformatio
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5

Poulter, Simon. "The LuxR-family quorum sensing transcriptional regulator CarR in Erwinia and Serratia." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609398.

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6

Brameyer, Sophie [Verfasser], and Ralf [Akademischer Betreuer] Heermann. "Cell-cell communication via LuxR solos in Photorhabdus species / Sophie Brameyer. Betreuer: Ralf Heermann." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2015. http://d-nb.info/1069491438/34.

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7

Qin, Nan. "Analysis of the Regulons Controlled by Transcriptional Regulators LuxR and LitR in Vibrio fischeri." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/28433.

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Abstract (sommario):
Quorum sensing is a bacterial signaling system that controls gene expression in a population density-dependent manner. In Gram-negative proteobacteria, the cell density control of luminescence was first observed in the symbiotic marine bacterium Vibrio fischeri and this system is one of the best studied quorum sensing systems. Two-dimensional sodium dodecyl sulfate-polyacrylamide (2D-SDS) gel electrophoresis analysis previously identified several non-Lux proteins in V. fischeri MJ-100 whose expression was dependent on LuxR and 3-oxo-hexanoyl-L-homoserine lactone (3-oxo-C6-HSL). A lacZ reporter
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8

Williams, Joshua W. "Multi-tiered Regulation of luxR Provides Precise Timing and Maintenance of the Quorum Sensing Response of Vibrio fischeri." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/38580.

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Abstract (sommario):
The quorum-sensing response of Vibrio fischeri involves a complex network of genes (encoding regulatory proteins as well as sRNAs), that govern host-association and production of bioluminescence. A key regulator of this system is LuxR, which is the transcriptional activator of the lux operon as well as several other genes in. LuxR also autoregulates its own transcription, which we have shown causes bistability and hysteresis in the quorum-sensing response. This behavior allows the system to maintain a stable and robust response in the face of environmental fluctuation or decreases in extern
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9

Callahan, Sean M. (Sean Michael) 1966. "The quorum-sensing regulation of Vibrio fischeri : novel components of the autoinduce/LuxR regulatory circuit." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/85290.

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10

Dyszel, Jessica L. "Phenotypes of the LuxR Homolog, SdiA, in Salmonella and E. coli." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243943752.

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11

Michael, Bindhu. "Detection of Heterologous bacterial pheromones by SdiA, A LuxR Homolog in Salmonella enterica serovar Typhimurium." The Ohio State University, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=osu1407404158.

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12

Sellick, Katelyn. "A Possible luxR Solo Type Regulator of an Antibiotic-Like Compound from the Soil Bacterium Rhodococcus." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/etd/3649.

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Abstract (sommario):
Rhodococcus, a species of bacteria commonly found in the soil, is an under-explored producer of small bioactive compounds including siderophores, pigments and antibiotics. MTM3W5.2 is a strain of Rhodococcus that was previously discovered to produce an antibiotic-like compound that has inhibitory effects on other Rhodococcus strains, including the veterinary pathogen, R. equi. The biosynthetic gene cluster responsible for production of the antibiotic has been identified, and a small gene, BTZ20_3964 at the start of the operon is believed to be a luxR solo regulator of the gene cluster. The goa
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13

Swearingen, Matt Charles. "Phenotypes of Salmonella SdiA in Mice and Pigs." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374076511.

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14

Pennerman, Kayla Kara. "Development of Methods for Structural Characterization of Pantoea stewartii Quorum-Sensing Regulator EsaR." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/25297.

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Abstract (sommario):
The LuxR family of proteins serves as quorum-sensing transcriptional regulators in proteobacteria. At high population densities, a small acyl-homoserine lactone (AHL) molecule, produced by a LuxI homologue, accumulates in the environment. The LuxR proteins bind to their respective AHL when the ligand accumulates to sufficient levels. Once bound to AHL, the holoproteins usually become functional as transcriptional activators. However, there is a subset of LuxR homologues, the EsaR subfamily, which is active without the AHL ligand and becomes inactivated once bound to it. EsaR is the best unders
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15

Chatterjee, Jaidip. "The luminescence induction point of Vibrio harveyi is an integration of multiple regulatory controls : LuxR, MetR, and CRP." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36889.

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Abstract (sommario):
Luminescence is a secondary metabolic process that can be detected and assayed in a non-disruptive, in vivo, and real-time manner. As such the Vibrio harveyi luminescence (lux) system constitutes a model system that can be used to delineate the relatively complex transcriptional control mechanisms that are inherent to secondary metabolic processes. Molecular insights into the control of luminescence induction in V. harveyi is limited to the two-component quorum-sensing system and LuxR. While the quorum-sensing system is thought to facilitate luminescence induction through a mechanism of derepr
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16

Geissinger, Jared Scott. "Structure-Function Analysis of the EsaR N-terminal Domain." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/46190.

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Abstract (sommario):
The LuxR protein family is a class of quorum-sensing regulated bacterial transcription factors that alter gene expression as a function of ligand detection. This coincides with a high population density and/or a low rate of signal ligand diffusion. The majority of LuxR proteins are activated only in the presence of the signal ligand, an acyl-homoserine lactone (AHL). EsaR, from the corn pathogen Pantoea stewartii, represents a subset of LuxR homologues that are active in the absence of AHL and deactivated by its presence. The mechanism by which EsaR responds to AHL in a manner opposite to tha
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17

Smith, Jenee N. "Characterization of the LuxR Homolog, SdiA, a transcriptional regulator activated by N-acylhomoserine lactone produced by other bacterial species." The Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=osu1180456493.

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18

Johnson, Deborah Cumaraswamy. "Role of region 4 of the sigma 70 subunit of RNA polymerase in transcriptional activation of the lux operon during quorum sensing." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/31680.

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Abstract (sommario):
The mechanism of gene regulation used by Gram-negative bacteria during quorum sensing is well understood in the bioluminescent marine bacterium Vibrio fischeri. The cell-density dependent activation of the luminescence (lux) genes of V. fischeri relies on the formation of a complex between the autoinducer molecule, N-(3-oxohexanoyl) homoserine lactone, and the autoinducer-dependent transcriptional activator LuxR. LuxR, a 250 amino acid polypeptide, binds to a site known as the lux box centered at position -42.5 relative to the luxI transcriptional start site. During transcriptional activati
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19

McDougald, S. Diane School of Microbiology &amp Immunology UNSW. "Regulation of starvation and nonculturability in the marine pathogen, Vibrio vulnificus." Awarded by:University of New South Wales. School of Microbiology and Immunology, 2000. http://handle.unsw.edu.au/1959.4/19118.

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Abstract (sommario):
Vibrio vulnificus is a model environmental organism exhibiting a classical starvation response during nutrient limitation as well as a non-culturable state when exposed to low temperatures. In addition to these classic global responses, this organism is an opportunistic pathogen that exhibits numerous virulence factors. This organism was chosen as the model organism for the identification of regulators of the viable but nonculturable response (VBNC) and the starvation-induced maintenance of culturability (SIMC) that occurs when cells are starved prior to low temperature incubation. In order
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20

Finney, Angela H. "Role of the C-terminal domain of the a subunit of RNA polymerase in transcriptional activation of the lux operon during quorum sensing." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/36285.

Testo completo
Abstract (sommario):
Quorum sensing in Gram-negative bacteria is best understood in the bioluminescent marine microorganism, <i>Vibrio fischeri</i>. In <i>V. fischeri</i>, the luminescence or <i>lux</i> genes are regulated in a cell density-dependent manner by the activator LuxR in the presence of an acylated homoserine lactone autoinducer molecule (3-oxo-hexanoyl homoserine lactone). LuxR, which binds to the <i>lux</i> operon promoter at position -42.5, is thought to function as an ambidextrous activator making multiple contacts with RNA polymerase (RNAP). The specific role of the <font face = "symbol">a</fon
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21

Pan, Tianyuan [Verfasser], Edmund [Akademischer Betreuer] Maser та Sabine [Gutachter] Fuchs. "Isolation and identification of two repressors, TetR AND LuxR, FOR 3,17β-hsd and 3α-hsd/cr gene regulation in Comamonas testosteroni / Tianyuan Pan ; Gutachter: Sabine Fuchs ; Betreuer: Edmund Maser". Kiel : Universitätsbibliothek Kiel, 2019. http://d-nb.info/1202630332/34.

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22

Odenbach, Tina. "Charakterisierung der Hybridsensorkinase LuxN und des Antwortregulators LuxO des Quorum sensing-Systems in Vibrio harveyi." Diss., lmu, 2009. http://nbn-resolving.de/urn:nbn:de:bvb:19-100461.

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23

Stambrau, Nina. "Der LuxP/AI-2- und LuxQ-abhängige Signaltransduktionsweg des Quorum sensing-Systems von V. harveyi." Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-103233.

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24

Teplitski, Max I. "Quorum sensing in Sinorhizobium meliloti and effect of plant signals on bacterial quorum sensing." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1029777185.

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25

Damasceno, Alhen Rubens Silveira. "O luxo e o mainstream: a circulação intersígnica das marcas." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/27/27153/tde-30052017-110852/.

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Abstract (sommario):
A sociedade contemporânea é marcada pelo consumo, pelas estratégias mercadológicas que, muitas vezes, são efêmeras e só tentam satisfazer uma pequena parte da nossa constante procura pela completude. A publicidade está inserida nesse contexto ao expressar os valores vigentes na sociedade e também em mediar as possibilidades de inserção dos consumidores nos mais diversos nichos e estratos sociais. As marcas procuram expressar valores, identidades e imagens dos produtos/serviços por meio de ações e manifestações. Tais ações e manifestações podem vir de diversas maneiras, ou seja, em anúncios de
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26

Barbosa, Joaquim Carlos da Silva. "A estética e o design nos sapatos da marca Christian Louboutin." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/27/27152/tde-15052017-152423/.

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Abstract (sommario):
Christian Louboutin é um designer da moda, que trata da estética sob a ótica do processo criativo, um produtor de artigos de luxo, que atua em um nicho de mercado com acessórios da moda de luxo, para homens e mulheres com alto poder aquisitivo. Faremos um estudo de caso único, delimitado ao assunto da estética e o design nos sapatos femininos da marca Christian Louboutin, a fim de buscarmos respostas através de alguns questionamentos para as seguintes questões de pesquisa: 1) Como a estética e o design nos sapatos da marca Christian Louboutin desempenham um papel importante no despertar da ima
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27

Östman, Ludwig. "Rolls-Royce Luxe Nomad." Thesis, Umeå universitet, Designhögskolan vid Umeå universitet, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-153224.

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The topic of the project has been about the future of luxury mobility and how the brand Rolls-Royce could evolve alongthe technological advancements until the year 2038. As luxury is changing from being about possession to the experience of luxury, the goal was to design a vehicle that could support both new internal and external experiences about the vehicle. The identified obstacle that could limit the scope of new experiences in an autonomous vehicle is motion sickness. As cities grow and technology develops the future cities are crowded so personal space, and privacy is being limited.Durin
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28

Ihle, Karolina. "Quorum sensing Rezeptorprotein LuxP – gentechnisches Design von LuxP-Derivaten zur Anwendung in der Biosensorik." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-64378.

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Als Quorum sensing (QS) wird die Kommunikation zwischen Bakterien bezeichnet. Diese basiert auf kleinen Signalmolekülen, die Autoinducer (AI) genannt werden. Durch QS werden von Bakterien Verhaltensweisen wie Fähigkeit zur Symbiose, Virulenz, Produktion von Antibiotika und Bildung von Biofilmen reguliert. Die Kommunikation kann innerhalb einer Spezies (Intraspezies-Kommunikation) oder mehreren Spezies (Interspezies-Kommunikation) erfolgen. Gram-negative Bakterien kommunizieren über acetylierte Homoserinlaktone (AHL), Gram-positive Bakterien dagegen benutzen modifizierte Oligopeptide als Autoin
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29

Rezaee, Vessal Saeedeh. "Les heuristiques dans le luxe : la psychologie de l'utilisation des signaux liés au luxe." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAG003.

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Abstract (sommario):
Cette recherche s'intéresse à la façon dont les modes de pensée influencent les préférences des consommateurs pour les produits de luxe. Dans une série d'expérimentation, nous montrons que lorsque les consommateurs sont plus susceptibles de pensée de manière intuitive, ils utilisent davantage le signal lié au luxe dans leur processus de décision. Afin de montrer l'effet de ce signal comme indicateur heuristique, le mode de pensée des consommateurs a été manipulé. Dans un mode de pensée intuitif, les individus ont tendance à utiliser significativement plus le signal lié au luxe comme un signal
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30

Bezerra, Diogo Henrique Duarte. "Luar-X: extens?o e generaliza??o do sistema de processamento de modelos luar." PROGRAMA DE P?S-GRADUA??O EM ENGENHARIA EL?TRICA E DE COMPUTA??O, 2016. https://repositorio.ufrn.br/jspui/handle/123456789/21944.

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Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-02-09T22:01:23Z No. of bitstreams: 1 DiogoHenriqueDuarteBezerra_TESE.pdf: 2787429 bytes, checksum: c838dce700860a38c586a38aa5545fdd (MD5)<br>Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-02-10T18:13:49Z (GMT) No. of bitstreams: 1 DiogoHenriqueDuarteBezerra_TESE.pdf: 2787429 bytes, checksum: c838dce700860a38c586a38aa5545fdd (MD5)<br>Made available in DSpace on 2017-02-10T18:13:49Z (GMT). No. of bitstreams: 1 DiogoHenriqueDuarteBezerra_TESE.pdf: 2787429 bytes, checksum: c838dce7
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31

Corbel, Céline. "Produits de luxe et commerce électronique." Grenoble 2, 2006. http://www.theses.fr/2006GRE21033.

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Abstract (sommario):
Internet est un espace de liberté et offre de nouvelles possibilités commerciales pour toutes les industries. Les maisons de luxe utilisent le Web comme un moyen de communication, puisque chacune d'entre elles y possèdent déjà un site. La question se pose néanmoins de savoir si la vente des produits de luxe est compatible avec la nature d'Internet, étant donné l'aura qui entoure ces produits et qui les distingue nettement des autres objets et si les mécanismes juridiques actuels permettent d'utiliser Internet comme un nouveau canal de distribution. L'industrie du luxe doit être présente sur la
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32

Souza, Anne Tess Guimarães Araújo de. "O estudo do comportamento do consumidor de bens de luxo : os determinantes da atitude face ao luxo." Master's thesis, FEUC, 2013. http://hdl.handle.net/10316/24762.

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Dissertação de mestrado em Gestão (Marketing), apresentada à Faculdade de Economia da Universidade de Coimbra, sob a orientação de Arnaldo Fernandes Matos Coelho.<br>De entre os diversos estudos que influenciam o marketing, uma das ramificações que se encontra em vias de desenvolvimento é o estudo do comportamento dos consumidores de produtos de luxo. Procurar entender este ambiente de luxo, envolve não apenas a compra de produtos caros mas também outros fatores relacionados diretamente com a história e cultura de uma marca. As estratégias empresariais de luxo encontram-se cada vez mais adapta
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33

Maldonado, Maura Carneiro. "Usando o luxo, consumindo o espaço: uma investigação sobre as relações entre espaço, consumo de moda e luxo." Universidade Federal da Paraí­ba, 2009. http://tede.biblioteca.ufpb.br:8080/handle/tede/3846.

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Made available in DSpace on 2015-04-16T14:49:08Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 869911 bytes, checksum: a4d69e09c649efbfe1a3e8c74dda7a63 (MD5) Previous issue date: 2009-07-30<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Luxury consumption in Brazil has been growing significantly, this country being considered one of the 10 largest luxury markets in the world.Though it is restricted to just 1% of the population, the sector already sets in movement US$2,5 billion per year. This strong commercial presence stimulates theoretical and academic analysis a
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34

Koromyslov, Maxime. "L'impact de la délocalisation du luxe sur les attitudes des consommateurs : le cas des maisons françaises de luxe." Thesis, Nancy 2, 2009. http://www.theses.fr/2009NAN22002/document.

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Abstract (sommario):
La délocalisation du luxe demeure encore aujourd’hui difficilement appréhendable. La complexité relève, d’une part, du concept du luxe qui est difficilement définissable, et de la sensibilité du sujet qui demeure encore tabou dans le secteur du luxe. Pourtant, plusieurs cas de délocalisations dans le luxe sont aujourd’hui connus. Compte tenu de l’imaginaire que représentent le luxe et les marques de luxe, il convient de s’interroger sur l’impact de la délocalisation sur le consommateur, notamment sur ses attitudes envers le produit et la marque. Cette thèse constitue une première recherche sur
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35

Dubois-Pélerin, Éva. "Le luxe privé à Rome et en Italie au Ier siècle après J.-C. /." Naples : Paris : Centre Jean Bérard ; diff. de Boccard, 2008. http://catalogue.bnf.fr/ark:/12148/cb41398609p.

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36

Selosse, Philippe. "Le régime juridique du produit de luxe." Thesis, Lille 2, 2017. http://www.theses.fr/2017LIL20002/document.

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Abstract (sommario):
Le produit de luxe n’est pas un bien comme les autres. Ses qualités matérielles et immatérielles lui confèrent une valeur particulière qui oblige son producteur à le vendre dans un environnement commercial adapté. La règle de droit peut-elle considérer cette particularité économique ? Paradoxalement, la France est leader mondiale du marché des produits de luxe, mais nul n’est en mesure d’affirmer avec précision ce qu’est le luxe. Intégrer une notion aussi insaisissable au sein d’un raisonnement juridique semble difficile. Pourtant, les atteintes subies par les titulaires des droits du produit
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37

Carreira, Joana Fernandes. "Motivações de compra de marcas de luxo." Master's thesis, Instituto Superior de Economia e Gestão, 2016. http://hdl.handle.net/10400.5/13009.

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Abstract (sommario):
Mestrado em Marketing<br>A noção de luxo tem mudado muito ao longo dos anos, o mercado de luxo está em crescimento em mercados emergentes e que, cada vez mais, as estratégias de marketing deste tipo de marcas tem vindo a mudar. O conceito de luxo tem vindo a ser desenvolvido ao longo dos tempos, se anteriormente o legado e a expertise associada da marca eram duas das principais características que definiam as marcas de luxo atualmente já o conseguimos fazer também sob o ponto de vista do consumidor, ligado às suas motivações, atitudes e interesses. Neste sentido, esta dissertação tem como obje
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38

Sousa, Sandra de Abreu. "Alta-costura e o objeto de luxo." Master's thesis, Universidade de Lisboa, Faculdade de Arquitetura, 2018. http://hdl.handle.net/10400.5/16519.

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Abstract (sommario):
Dissertação de Mestrado em Design, com a especialização em Moda apresentada na Faculdade de Arquitetura da Universidade de Lisboa para obtenção do grau de Mestre.<br>Esta dissertação tem como titulo “Alta-Costura e o Objeto de Luxo, Estágio no Ateliê Storytailors”, pretendendo identificar e analisar a adaptação de conceitos de Alta-Costura à realidade de um ateliê português. O trabalho desenvolvido neste estágio levou a uma profunda aprendizagem e colaboração em vários projetos, quer em coleções, quer em encomendas de ateliê, como vestidos de noiva e de cerimonia, desde o seu início colab
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Dereumaux, René Maurice. "Le luxe, application à l'industrie du meuble." Nice, 2006. http://www.theses.fr/2006NICE0043.

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Ce travail de recherche s'intéresse à une industrie essentielle dans la production de richesses des pays développés en général et de la France en particulier, l'industrie du luxe. Ostentatoire et simplement superflu pour l'observateur superficiel, ce secteur est cependant parmi les plus dynamiques de l'activité économique et sociale. Il est non seulement un créateur important de valeur ajoutée, mais également de prestige et de différenciation sociale. S'il constitue un marché en expansion, notamment de part le développement de pays très peuplés comme l'Inde ou la Chine, il reste cependant très
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40

Godey, Bruno. "La sensibilité au luxe, une variable personnelle centrale pour comprendre les antécédents de la valeur perçue d’une marque de luxe." Caen, 2012. http://www.theses.fr/2012CAEN0697.

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Notre question de recherche résulte du constat de l’existence d’un état de tension caractéristique de la prise de décision du consommateur en situation de choix d’une marque de luxe. De nombreux choix de marques sont le fruit d’une volonté de la part du consommateur de faire coïncider sa perception de soi, sa personnalité avec celles de la marque. Toutefois, dans le domaine spécifique du luxe, il est traditionnellement mis en avant que les motivations qui président à l’achat des marques sont essentiellement de nature ostentatoire. Nous cherchons donc à expliquer dans quelle mesure les motivati
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41

Neto, Bruno Miguel Custódio Rosa. "Marketing na hotelaria de luxo. Caso: região Alentejo." Master's thesis, Universidade de Évora, 2019. http://hdl.handle.net/10174/26057.

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O setor do turismo é potenciador do desenvolvimento económico do país. Todos os anos os lucros neste setor não param de crescer, este setor encontra-se numa fase de crescimento, colocando Portugal em competição com as principais cidades europeias. Grande parte de receita deste setor tem origem no setor hoteleiro, que ganha cada vez mais força com o avançar dos anos sendo alvo de investimentos por parte dos empreendedores. A hotelaria não fornece apenas alojamento para o turista, mas também serviços de restauração, SPA e eventos. No Alentejo, nos últimos anos tem existido um elevado investiment
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Luz, António Maria Zarco Adrião Alves da. "Atitudes face às imitações de produtos de luxo." Master's thesis, Instituto Superior de Economia e Gestão, 2015. http://hdl.handle.net/10400.5/13150.

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Mestrado em Marketing<br>Esta dissertação tem como propósito compreender, no contexto português, os fatores que influenciam as atitudes dos consumidores em relação às imitações de produtos de luxo. Para tal foi realizada a pesquisa de literatura, desenvolvido um modelo concetual que se foca nos fatores sociais, individuais, sociodemográficos e consumo prévio, e delimitadas as hipóteses objeto do estudo. Finalmente, foi definida a população alvo e concretizado o estudo das características dos consumidores, através da análise dos resultados de um questionário distribuído online. Foram obtidas 81
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Carvalheiro, João Tiago da Cruz. "Antecedentes do comprometimento afetivo com automóveis de luxo." Master's thesis, Universidade de Aveiro, 2012. http://hdl.handle.net/10773/10357.

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Mestrado em Gestão<br>Esta dissertação propõe estudar a imagem da marca, a qualidade percebida, a satisfação global e a confiança, como antecedentes do comprometimento afetivo de marcas de automóveis de luxo de determinados segmentos. Considera-se ainda a qualidade e a satisfação como mediadores entre a imagem, e a confiança e o comprometimento afetivo. Os resultados mostram que efetivamente a qualidade e a satisfação podem atuar como mediadores. A personalidade da marca, as atitudes positivas face à marca e a satisfação global podem exercer um efeito mais forte na construção do comprometiment
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44

Zhu, Jinge. "Mechanistic and inhibitory studies of S-ribosylhomocysteinase (LuxS)." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1115841808.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xxii, 200 p.; also includes graphics (some col.). Includes bibliographical references (p. 190-200). Available online via OhioLINK's ETD Center.
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Andrade, Renata Paiva de. "Condomínios de luxo na periferia de São Paulo." reponame:Repositório Institucional do FGV, 1993. http://hdl.handle.net/10438/5345.

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Made available in DSpace on 2010-04-20T20:17:32Z (GMT). No. of bitstreams: 0 Previous issue date: 1993-06-02T00:00:00Z<br>Enfoca a análise dos condomínios de luxo na periferia de São Paulo à partir das motivações que levam as famílias a procur essa alternativa de moradia, das novas relações de sociabilidade que estabelecem entre seus moradores e das formas de segregação presentes
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Strehlau, Suzane. "O luxo falsificado e suas formas de consumo." reponame:Repositório Institucional do FGV, 2004. http://hdl.handle.net/10438/2532.

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Made available in DSpace on 2010-04-20T20:48:40Z (GMT). No. of bitstreams: 3 61979.pdf.jpg: 15417 bytes, checksum: 8be8f502a45d3220bcca382d47191dbc (MD5) 61979.pdf: 853976 bytes, checksum: 60f9a255018a0150498b02230947531d (MD5) 61979.pdf.txt: 723183 bytes, checksum: 45cebfff8a5984df0c1819de8630ea1c (MD5) Previous issue date: 2004-08-17T00:00:00Z<br>The concept of a luxury is dynamic and historical, belonging to a society in a particular moment and venue. As its consumption is widespread, it ceases to represent a social distinction. The luxury is not in the object itself, but in the judgm
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Kambam, Pavan Kumar Reddy. "Engineering of the LuxI-LuxR quorum sensing systems for applications in industrial biotechnology." 2010. https://scholarworks.umass.edu/dissertations/AAI3397713.

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Quorum-sensing systems enable autonomous activation of gene expression and have been widely used in the construction of artificial genetic circuits, but exhibit poor tunability. We anticipate that tunable quorum sensing would facilitate its application in synthetic biology and industrial biotechnology. We engineered LuxI, which synthesizes signal molecule, 3-oxo homoserine lactone (OHHL), using a protein engineering method referred to as directed evolution. An antibiotic-based genetic selection method was developed and two rounds of mutant library screening resulted in two mutants with approxi
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Sayut, Daniel J. "Engineering of artificial cellular circuits based on the LuxI-LuxR quorum-sensing system." 2010. https://scholarworks.umass.edu/dissertations/AAI3427568.

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Natural cellular networks are very good at processing diverse inputs, generating complicated responses, and confounding researchers with their complexities. As an alternative to traditional cellular engineering approaches, the field of synthetic biology attempts to avoid the complexities of natural systems by focusing on the bottom-up construction of artificial cellular circuits. By rationally building up circuit complexity, synthetic biologists hope to both create novel systems capable of programming unique cellular responses, and gain insights into the design principles of natural systems. C
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Sayut, Daniel Jon. "Engineering of Artificial Cellular Circuits Based on the LuxI-LuxR Quorum-Sensing System." 2010. https://scholarworks.umass.edu/open_access_dissertations/306.

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Abstract (sommario):
Natural cellular networks are very good at processing diverse inputs, generating complicated responses, and confounding researchers with their complexities. As an alternative to traditional cellular engineering approaches, the field of synthetic biology attempts to avoid the complexities of natural systems by focusing on the bottom-up construction of artificial cellular circuits. By rationally building up circuit complexity, synthetic biologists hope to both create novel systems capable of programming unique cellular responses, and gain insights into the design principles of natural systems. C
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Collins, Cynthia Hollie. "Directed Evolution of the Transcriptional Activator LuxR." Thesis, 2006. https://thesis.library.caltech.edu/5146/1/CHC_Thesis.pdf.

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<p>LuxR-type proteins are responsible for density-dependent transcriptional regulation in quorum-sensing systems that employ acyl-homoserine lactones (acyl-HSLs) as signal molecules. The Vibrio fischeri lux operon, which includes LuxR, has been well studied and shown to function in E. coli. The components of the lux operon have been used to engineer de novo genetic circuits because they provide a versatile intercellular communications system. We have used directed evolution to engineer LuxR to generate new components for engineering genetic circuits with a wide range of communications functi
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