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Relevant bibliographies by topics / Pseudopalate

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Dissertations / Theses

Academic literature on the topic 'Pseudopalate'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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Journal articles on the topic "Pseudopalate"

1

Searl, Jeff, Paul Evitts, and William J. Davis. "Perceptual and acoustic evidence of speaker adaptation to a thin pseudopalate." Logopedics Phoniatrics Vocology 31, no. 3 (January 2006): 107–16. http://dx.doi.org/10.1080/14015430500390961.

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Zhang, Jian, Tianhu Zhao, Rongwen Yang, Ittipon Siridechakorn, Sanshan Wang, Qianqian Guo, Yingjie Bai, Hong C. Shen, and Xiaoguang Lei. "De novo synthesis, structural assignment and biological evaluation of pseudopaline, a metallophore produced by Pseudomonas aeruginosa." Chemical Science 10, no. 27 (2019): 6635–41. http://dx.doi.org/10.1039/c9sc01405e.

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3

Cullia, Gregorio, Roberto Fanelli, Romé Voulhoux, Pascal Arnoux, and Florine Cavelier. "Synthesis of Two Epimers of Pseudopaline." European Journal of Organic Chemistry 2020, no. 26 (July 2, 2020): 3975–80. http://dx.doi.org/10.1002/ejoc.202000278.

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4

Peralta-García, Edith, Edgar Caamal-Fuentes, Daniel Robledo, Emmanuel Hernández-Núñez, and Yolanda Freile-Pelegrín. "Lipid characterization of red algaRhodymenia pseudopalmata(Rhodymeniales, Rhodophyta)." Phycological Research 65, no. 1 (October 13, 2016): 58–68. http://dx.doi.org/10.1111/pre.12153.

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5

Kim, Kyeong Mi, Eun Chan Yang, Gangman Yi, and Hwan Su Yoon. "Complete mitochondrial genome of sublittoral macroalgaRhodymenia pseudopalmata(Rhodymeniales, Rhodophyta)." Mitochondrial DNA 25, no. 4 (June 21, 2013): 273–74. http://dx.doi.org/10.3109/19401736.2013.800501.

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6

Parker, William G., Axel Hungerbühler, and Jeffrey W. Martz. "The taxonomic status of the phytosaurs (Archosauriformes) Machaeroprosopus and Pseudopalatus from the Late Triassic of the western United States." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 103, no. 3-4 (September 2012): 265–68. http://dx.doi.org/10.1017/s1755691013000339.

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ABSTRACTThe genus Machaeroprosopus has long been considered invalid because the type specimen of the Late Triassic phytosaur species, M. validus, has been lost. Re-examination of the primary literature regarding the establishment of the Late Triassic phytosaur genus Machaeroprosopus demonstrates that M. buceros is the correct type species, not M. validus. Thus, the genus level name Machaeroprosopus has priority over the genera Pseudopalatus and Arribasuchus and all nominal species should be reassigned. Reassignment of these species to Machaeroprosopus satisfies the requirements of the International Code of Zoological Nomenclature (ICZN) and preserves historical context. The name Pseudopalatinae is retained as the valid clade name for these phytosaurs because its usage falls outside of the ICZN.

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7

Pakker, Hans, Chantal Beekman, and Anneke Breeman. "Efficient photoreactivation of UVBR-induced DNA damage in the sublittoral macroalgaRhodymenia pseudopalmata(Rhodophyta)." European Journal of Phycology 35, no. 2 (May 2000): 109–14. http://dx.doi.org/10.1080/09670260010001735691.

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McFarlane, Jeffrey S., Jian Zhang, Sanshan Wang, Xiaoguang Lei, Graham R. Moran, and Audrey L. Lamb. "Staphylopine and pseudopaline dehydrogenase from bacterial pathogens catalyze reversible reactions and produce stereospecific metallophores." Journal of Biological Chemistry 294, no. 47 (October 15, 2019): 17988–8001. http://dx.doi.org/10.1074/jbc.ra119.011059.

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9

Hermansen, Grith Miriam Maigaard, Morten Lindqvist Hansen, Seyed Mohammad Hossein Khademi, and Lars Jelsbak. "Intergenic evolution during host adaptation increases expression of the metallophore pseudopaline in Pseudomonas aeruginosa." Microbiology 164, no. 8 (August 1, 2018): 1038–47. http://dx.doi.org/10.1099/mic.0.000687.

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10

Bedoux, Gilles, Edgar Caamal-Fuentes, Romain Boulho, Christel Marty, Nathalie Bourgougnon, Yolanda Freile-Pelegrín, and Daniel Robledo. "Antiviral and Cytotoxic Activities of Polysaccharides Extracted from Four Tropical Seaweed Species." Natural Product Communications 12, no. 6 (June 2017): 1934578X1701200. http://dx.doi.org/10.1177/1934578x1701200602.

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Polysaccharides extracted from Rhodymenia pseudopalmata, Solieria filiformis, Hydropuntia cornea (Rhodophyta) and Sargassum fluitans (Phaeophyceae) were evaluated for its cytotoxic and antiviral activities against Herpes simplex virus (HSV-Type 1). Chemical structures were characterized by FT-IR spectroscopy and 13C-NMR analyses. Polysaccharides from Sargassum fluitans (EC50 = 42.8 μg/ml) and Solieria filiformis (EC50 = 136.0 μg/ml) showed antiviral activity against herpes simplex virus type-I in vitro at a multiplicity of infection (MOI) of 0.01 ID50/cells without cytotoxicity (1–200 μg/mL). The activity observed suggests that sulphation, molecular weight and carbohydrate nature of these polysaccharides may be involved in this activity. To better understand the antiviral activity of the polysaccharides evaluated, it seems important to study the mechanism of action involved. These polysaccharides could be studied further to evaluate their potential use as antiviral drugs.

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Dissertations / Theses on the topic "Pseudopalate"

1

Dean, Karie Lindsay. "The Effect of a Pseudopalate on Voiceless Obstruent Production: A Spectral Evaluation of Adaptation." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2490.pdf.

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2

Williams, Megan C. "A perceptual evaluation of the effect of a pseudopalate on voiceless obstruent production and motor adaptation /." Diss., CLICK HERE for online access, 2009. http://contentdm.lib.byu.edu/ETD/image/etd2975.pdf.

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Williams, Megan Ann Cannon. "A Perceptual Evaluation of the Effect of a Pseudopalate on Voiceless Obstruent Production and Motor Adaptation." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/1724.

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Electropalatography (EPG) has proven to be a useful clinical and research tool for measuring tongue-to-palate contact. Research has shown sensorimotor adaptation to an EPG device may be possible following a short period of speech practice. This study was developed in order to better understand how a listeners' perception of speech clarity is effected by the presence of a relatively thin artificial pseudopalate in the speakers' oral cavity. Twenty listeners rated 220 speech stimuli on a visual analog scale ranging from normal to very distorted speech clarity. The stimuli included two different American English sentences. Speech clarity ratings were looked at as a function of the gender of the listener, the gender of the speaker, the type of speech sounds being heard, and the ability of the speakers to adapt their articulatory patterns over a period of 20 minutes. The results indicated that with the pseudopalate in place male speakers were generally rated by the listeners as having more distorted speech articulation than female speakers, especially for stop-loaded sentences. Overall, fricative-loaded sentences received higher articulation ratings than stop-loaded sentences. Finally, an adaptation period of 20 minutes showed significant improvement in speech articulation in comparison to ratings immediately following pseudopalate placement, however speech remained significantly distorted.

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Celaya, Marissa. "Speech Adaptation to Electropalatography in Children's Productions of /s/ and /Êƒ/." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4103.

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Previous research has investigated adults' ability to adapt their speech when a electropalatographic (EPG) pseudopalate is placed in the oral cavity; however, less is known about how younger speakers who are continuing to develop their motor speech abilities might adapt their speech to the presence of the device. This study examined the effect of an EPG pseudopalate on elementary school-aged children's ability to produce the fricatives /s/ and /ƒ/. Audio recordings of six children were collected at eight time intervals including before placement of the pseudopalate, at 30-minute increments for two hours with the pseudopalate in place, immediately following removal of the pseudopalate and 30 minutes after removal. An acoustic analysis was completed looking at consonant duration, spectral mean, spectral variance, and relative intensity. Disturbance of speech patterns from the presence of the pseudopalate was noted for most of the acoustic measures, most noticeably for the relative intensity of both /s/ and /ƒ/, as well as for the spectral mean and spectral variance of /ƒ/. Although there was a relatively high amount of variability among and within speakers, signs of adaptation were apparent after only 30 minutes for some participants. For some acoustic measures, however, full adaptation often did not occur until the pseudopalate was removed. Although future research is needed, it is hoped that this study will provide a greater understanding of children's ability to adapt to the EPG pseudopalate.

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5

Gomez, Nicolas Oswaldo. "Discovery and characterization of a new metallophore-mediated metal uptake pathway in Pseudomonas aeruginosa." Thesis, Aix-Marseille, 2020. http://www.theses.fr/2020AIXM0115.

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Les métaux biologiques sont nécessaires à la croissance et à la survie de tous les organismes vivants. Une stratégie conservée chez les bactéries est la biosynthèse de petites molécules avec une forte affinité pour les métaux nommé métallophores, leur sécrétion dans le milieu environnant, et la réabsorption d'un complexe métal-métallophore par des récepteurs spécifiques.Durant ma thèse, j'ai contribué à la découverte d'une nouvelle voie d'import des métaux médiée par un métallophore. Les quatre gènes cnt de Pseudomonas aeruginosa sont inclus dans un opéron, impliqué dans la biosynthèse (cntL & cntM), l’export au travers de la membrane interne (MI, cntI) et l’import à travers de la membrane externe (ME, cntO), d'un nouveau métallophore que nous avons nommé pseudopaline. (Lhospice*, Gomez*, Ouerdane* et al., Scientific reports, 2017). Nous avons déterminé que la pseudopaline est sécrétée en deux étapes. La première étape de passage au travers de la MI est assuré par CntI, et la deuxième étape de passage au travers de la ME est assuré par la pompe d'efflux MexAB couplée à OprM (Gomez et al., soumis). Quand le complexe métal-pseudopaline est importé dans le périplasme après avoir été reconnu par le récepteur CntO, il est modifié par un mécanisme encore inconnu que nous mettons en évidence, permettant probablement la libération du métal. Enfin, nous avons constaté que la machinerie pseudopaline est liée à l'activité exoprotease. IMPa, un facteur de virulence avec un effet immunomodulateur, bénéficie du Zn acquis par la machinerie pseudopaline (Gomez et al., en préparation), ce qui constitue une première explication au rôle de la pseudopaline durant les phases d’infection
Biological metal are necessary for the growth and survival of all organisms. A shared strategy between bacteria is the biosynthesis of small molecules with an outstanding affinity for metals called metallophores, their secretion in the extracellular space, and the recovery of a metal-complexed metallophore through dedicated membrane transporters.During my PhD, I contributed to the discovery of a new metal uptake pathway mediated by a previously unknown metallophore. The four cnt genes (PA4834-4837) of Pseudomonas aeruginosa are embedded in an operon, involved in the biosynthesis (cntL and cntM), inner membrane (IM) export (cntI) and outer membrane (OM) recovery (cntO) of a nicotianamine-like metallophore that we named pseudopaline (Lhospice*, Gomez*, Ouerdane* et al. 2017). We determined that pseudopaline’s two steps secretion relies on CntI for IM export and the efflux pump MexAB-OprM for the crossing of the OM (Gomez et al, submitted). When retrieved from the extracellular space through CntO, we showed that the loaded metallophore is modified by an unknown mechanism, conceivably allowing metal release. Lastly, we identified an interplay between pseudopaline and exoproteases activity. IMPa, a virulence factor with an immuno-modulator function, directly benefit from zinc acquired by pseudopaline function (Gomez et al, in preparation), thus, constituting a possible explanation to the important role of this metal uptake pathway during infection

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