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Illuminating Dna Packaging in Sperm Chromatin: How Polycation Lengths, Underprotamination and Disulfide Linkages Alters Dna Condensation and Stability
University of Kentucky UKnowledge Theses and Dissertations--Chemistry Chemistry 2019 ILLUMINATING DNA PACKAGING IN SPERM CHROMATIN: HOW POLYCATION LENGTHS, UNDERPROTAMINATION AND DISULFIDE LINKAGES ALTERS DNA CONDENSATION AND STABILITY Daniel Kirchhoff University of Kentucky, [email protected] Digital Object Identifier: https://doi.org/10.13023/etd.2019.233 Right click to open a feedback form in a new tab to let us know how this document benefits ou.y Recommended Citation Kirchhoff, Daniel, "ILLUMINATING DNA PACKAGING IN SPERM CHROMATIN: HOW POLYCATION LENGTHS, UNDERPROTAMINATION AND DISULFIDE LINKAGES ALTERS DNA CONDENSATION AND STABILITY" (2019). Theses and Dissertations--Chemistry. 112. https://uknowledge.uky.edu/chemistry_etds/112 This Doctoral Dissertation is brought to you for free and open access by the Chemistry at UKnowledge. It has been accepted for inclusion in Theses and Dissertations--Chemistry by an authorized administrator of UKnowledge. For more information, please contact [email protected]. STUDENT AGREEMENT: I represent that my thesis or dissertation and abstract are my original work. Proper attribution has been given to all outside sources. I understand that I am solely responsible for obtaining any needed copyright permissions. I have obtained needed written permission statement(s) from the owner(s) of each third-party copyrighted matter to be included in my work, allowing electronic distribution (if such use is not permitted by the fair use doctrine) which will be submitted to UKnowledge as Additional File. I hereby grant to The University of Kentucky and its agents the irrevocable, non-exclusive, and royalty-free license to archive and make accessible my work in whole or in part in all forms of media, now or hereafter known. -
Membrane Protein Folding Makes the Transition
COMMENTARY Membrane protein folding makes the transition Paula J. Bootha,1 and Jane Clarkeb,1 aDepartment of Biochemistry, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, United Kingdom; and bDepartment of Chemistry and Medical Research Council Centre for Protein Engineering, University of Cambridge, Cambridge CB2 1EW, United Kingdom he study of the folding of mem- brane proteins has lagged far T behind that of small soluble proteins—yet proteins that reside within biological membranes ac- count for approximately a third of all proteomes. The article by Huysmans et al. in this issue of PNAS (1) represents a breakthrough by reporting a compre- hensive ϕ-value analysis of the folding of a membrane protein (i.e., PagP) into a lipid bilayer. ϕ-value analysis is the most powerful tool for experimental analysis of protein folding pathways (2). It com- bines protein engineering with equilibrium and kinetic measurements to determine which regions of a protein are largely fol- ded (high ϕ-values) or largely unfolded (low ϕ-values) at the rate-limiting transition state. Fig. 1. Schematic diagrams of proposed folding models for β-barrel and α-helical membrane proteins, There are two major structural classes highlighting potential transition state structures from ϕ-value studies. Folding of a β-barrel protein oc- of integral membrane proteins: α-helical curs from a fully denatured, membrane-absorbed state in urea with a tilted, partly inserted transition bundles and β-barrels. The latter are found state as proposed by Huysmans et al. (1). In contrast, folding of an α-helical protein such as bacterio- in the outer membranes of Gram- rhodopsin occurs from a partly denatured state in SDS, which contains some helical content. -
Die Adaption Des Orlando Furioso Für Das Italienische Fernsehen Von Edoardo Sanguineti Und Luca Ronconi
https://doi.org/10.20378/irbo-51613 lucA FormiAni(Bamberg) Die Adaption des Orlando Furioso für das italienische Fernsehen von Edoardo Sanguineti und Luca Ronconi ErstEndeder60erJahrekamenderRegisseurundTheaterschauspieler LucaRonconiundderDramatiker,PoetundIntellektuelleEdoardoSangui- netiaufdieIdee,AriostsOrlando Furioso (aufDeutschDer rasende Roland) fürdasTheaterzuadaptieren.ÜberdiesesProjektverrietderRegisseurLuca RonconiderMailänderZeitungIl Corriere della sera1einigeTagevorder Premiere: L´Orlandosaràrappresentatoperinteroattraversounasommadiazionisimultaneecheavver- rannoinluoghilontanitraloro:ilpubblicodivisoingruppi,seguiràtrai„filoni“chenoipropo- niamoquellochepreferirà,quellogrottescooquelloerotico,quelloepicooquellofantastico. Ipercorsideglispettatorisarannodeterminatidaunascenografiamoltoarticolata,affidatanon aunsoloscenografo,maagliartisticheriteniamopiùadattiadesprimereciascunodeitemi rappresentati2. AndieserAussagekannmanbereitsdieneoavantgardistischenCharak- teristikadesTheaterserkennen,dievonEdoardoSanguinetischonimRah- mendesGruppo63formuliertwurden3:dasTheateralsneueForm,inderdas PublikummitdemSchauspielerinteragierenkannundgleichzeitigRegeln wiederfindet,dieesnichtalsTheaterregelnerkennt,sondernalsTeilseines eigenenLebens.DasechteTheateristnämlichjenes,welcheseineÜberwin- dungdeselitärenwiedespopulärenTheatersermöglicht4. DerVerfasserdesArtikelsimCorriere,GiulianoZingone,sahschonvo- raus,dassdieAufführungdesOrlando Furioso(=OF)derAuslöserfüreine ReihevonPolemikensowohlseitensderLiteratenalsauchderTheaterkriti- kerwerdenwürde. -
Renaissance and Reformation, 1978-79
Sound and Silence in Ariosto's Narrative DANIEL ROLFS Ever attentive to the Renaissance ideals of balance and harmony, the poet of the Orlando Furioso, in justifying an abrupt transition from one episode of his work to another, compares his method to that of the player of an instrument, who constantly changes chord and varies tone, striving now for the flat, now for the sharp. ^ Certainly this and other similar analogies of author to musician^ well characterize much of the artistry of Ludovico Ariosto, who, like Tasso, even among major poets possesses an unusually keen ear, and who continually enhances his narrative by means of imaginative and often complex plays upon sound. The same keenness of ear, however, also enables Ariosto to enrich numerous scenes and episodes of his poem through the creation of the deepest of silences. The purpose of the present study is to examine and to illustrate the wide range of his literary techniques in each regard. While much of the poet's sensitivity to the aural can readily be observed in his similes alone, many of which contain a vivid auditory component,^ his more significant treatments of sound are of course found throughout entire passages of his work. Let us now turn to such passages, which, for the convenience of the non-speciaUst, will be cited in our discussion both in the Italian text edited by Remo Ceserani, and in the excellent English prose translation by Allan Gilbert."* In one instance, contrasting sounds, or perhaps more accurately, the trans- formation of one sound into another, even serves the implied didactic content of an episode with respect to the important theme of distin- guishing illusion from reality. -
Technologies, Strategies, and Applications
PLANT PROTEOMICS Technologies, Strategies, and Applications Edited by Ganesh Kumar Agrawal Randeep Rakwal AJOHNWILEY&SONS,INC.,PUBLICATION PLANT PROTEOMICS PLANT PROTEOMICS Technologies, Strategies, and Applications Edited by Ganesh Kumar Agrawal Randeep Rakwal AJOHNWILEY&SONS,INC.,PUBLICATION Copyright © 2008 by John Wiley & Sons, Inc. All rights reserved. Published by John Wiley & Sons, Inc., Hoboken, New Jersey Published simultaneously in Canada No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 750-4470, or on the web at www.copyright.com. Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, or online at http://www.wiley.com/go/permission. Limit of Liability/Disclaimer of Warranty: While the publisher and author have used their best efforts in preparing this book, they make no representations or warranties with respect to the accuracy or completeness of the contents of this book and specifically disclaim any implied warranties of merchantability or fitness for a particular purpose. No warranty may be created or extended by sales representatives or written sales materials. The advice and strategies contained herein may not be suitable for your situation. -
Stabilization of Functional Recombinant Cannabinoid Receptor CB2 in Detergent Micelles and Lipid Bilayers
Stabilization of Functional Recombinant Cannabinoid Receptor CB2 in Detergent Micelles and Lipid Bilayers Krishna Vukoti¤, Tomohiro Kimura, Laura Macke, Klaus Gawrisch, Alexei Yeliseev* National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland, United States of America Abstract Elucidation of the molecular mechanisms of activation of G protein-coupled receptors (GPCRs) is among the most challenging tasks for modern membrane biology. For studies by high resolution analytical methods, these integral membrane receptors have to be expressed in large quantities, solubilized from cell membranes and purified in detergent micelles, which may result in a severe destabilization and a loss of function. Here, we report insights into differential effects of detergents, lipids and cannabinoid ligands on stability of the recombinant cannabinoid receptor CB2, and provide guidelines for preparation and handling of the fully functional receptor suitable for a wide array of downstream applications. While we previously described the expression in Escherichia coli, purification and liposome-reconstitution of multi-milligram quantities of CB2, here we report an efficient stabilization of the recombinant receptor in micelles - crucial for functional and structural characterization. The effects of detergents, lipids and specific ligands on structural stability of CB2 were assessed by studying activation of G proteins by the purified receptor reconstituted into liposomes. Functional structure of the ligand binding pocket of the receptor was confirmed by binding of 2H-labeled ligand measured by solid- state NMR. We demonstrate that a concerted action of an anionic cholesterol derivative, cholesteryl hemisuccinate (CHS) and high affinity cannabinoid ligands CP-55,940 or SR-144,528 are required for efficient stabilization of the functional fold of CB2 in dodecyl maltoside (DDM)/CHAPS detergent solutions. -
The Moslem Enemy in Renaissance Epic: Ariosto, Tasso, and Camoens
Marquette University e-Publications@Marquette History Faculty Research and Publications History, Department of 1-1-1977 The oM slem Enemy in Renaissance Epic: Ariosto, Tasso, and Camoens John Donnelly Marquette University, [email protected] Published version. Yale Italian Studies, Vol. I, No. 1 (1977): 162-170. © 1977 Yale Italian Studies. Used with permission. The Moslem Enemy in Renaissance Epic: Ariosto, Tasso and Camoens John Patrick Donnelly, S.J. The Renaissance produced many tracts and descriptions dealing with Mos- lems, such as those by Ogier de Busbecq and Phillipe du Fresne-Canaye,' which remain the main source for gauging western attitudes toward Moslems, but these can be supplemented by popular literature which reflects, forms, and gives classic expression to the ideas and stereotypes of a culture.' This study examines and compares the image.of the Moslem in the three greatest epics of the sixteenth century, Ariosto's Orlando furioso, Tasso's Gerusalemme liberata, and Camoens's Os Lusiadas." All three epics enjoyed wide popularity and present Christian heroes struggling against Moslem enemies. Ludovico Ariosto, courtier to the d'Este lords of Ferrara, first published Orlando furioso in 1516 but continued to polish and expand it until 1532. With 38,728 lines, it is the longest poem of the Renaissance, perhaps of west- ern literature, to attain wide popularity. It describes the defense of Paris by Charlemagne and his knights against the Moors of Spain and Africa. This was traditional material already developed by the medieval chansons de geste and by Orlando innamorato of Matteo Maria Boiardo, who preceded Ariosto as court poet at Ferrara. -
Highly Selective and Tunable Protein Hydrolysis by A
This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes. Article http://pubs.acs.org/journal/acsodf Highly Selective and Tunable Protein Hydrolysis by a Polyoxometalate Complex in Surfactant Solutions: A Step toward the Development of Artificial Metalloproteases for Membrane Proteins † † † ‡ ‡ Annelies Sap, Laurens Vandebroek, Vincent Goovaerts, Erik Martens, Paul Proost, † and Tatjana N. Parac-Vogt*, † Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Box 2404, 3001 Leuven, Belgium ‡ Department of Microbiology and Immunology, KU Leuven, Herestraat 49, Box 1042, 3000 Leuven, Belgium *S Supporting Information ABSTRACT: This study represents the first example of protein hydrolysis at pH = 7.4 and 60 °C by a metal- substituted polyoxometalate (POM) in the presence of a zwitterionic surfactant. Edman degradation results show that in the presence of 0.5% w/v 3-[(3-cholamidopropyl)- dimethylammonio]-1-propanesulfonate (CHAPS) detergent, − α a Zr(IV)-substituted Wells Dawson-type POM, K15H[Zr( 2- · P2W17O61)2] 25H2O (Zr1-WD2), selectively hydrolyzes human serum albumin exclusively at peptide bonds involving Asp or Glu residues, which contain carboxyl groups in their side chains. The selectivity and extent of protein cleavage are tuned by the CHAPS surfactant by an unfolding mechanism that provides POM access to the hydrolyzed peptide bonds. ■ INTRODUCTION loss of catalytic activity. Therefore, they are not suitable for the On the basis of complete sequencing of several genomes, 30% hydrolysis of hydrophobic and membrane proteins. Con- of all proteins are estimated to be hydrophobic membrane sequently, there is an urgent need for new synthetic proteases 1,2 that are compatible with surfactants and can eventually be used proteins. -
La Épica Italiana Del Cinquecento En El Bernardo Del Carpio De Balbuena
LA ÉPICA ITALIANA DEL CINQUECENTO EN EL BERNARDO DEL CARPIO DE BALBUENA. Elena María Calderón de Cuervo. FFyL- UNCuyo- CETHI [email protected] Resumen Basado en la leyenda del caballero español Bernardo del Carpio, Balbuena reconstruye en el México virreinal esta his- toria perteneciente al ciclo carolingio e íntimamente relaciona- da con al poema francés La Chanson de Roland. No obstante la epopeya de Balbuena no remite tanto a sus fuentes medievales como a las obras de los Orlando que inundaron el siglo XVI en Italia y dieron pie a toda una serie de tópicos y personajes que 13 aparecerán luego en la novela de caballerías española. Par- ticularmente y siguiendo el ejemplo de La Araucana de Ercilla, Balbuena se basa en el Orlando furioso de Ludovico Ariosto, poema extensísimo, que es, y así lo presenta el autor, una con- tinuación del Orlando enamorado de Matteo Maria Boiardo. Allá donde dejó éste inacabada su obra, la derrota del ejército de Carlomagno en los Pirineos por los moros, es donde ar- ranca el Ariosto la suya, que suele, al reintroducir los perso- najes de su predecesor, dedicar una o dos octavas a resumir las aventuras narradas por Boiardo en el Enamorado. Balbuena, por su parte, retoma la batalla de Roncesvalles, la derrota de los franceses por los españoles y los sarracenos de Zaragoza pero sigue la línea temática del paladín español Bernardo del Carpio, sin desatender la proliferación iconográfica y mi- tológica creada por Ariosto y Boiardo. La obra de Ariosto, publicada hacia 1540, como en el resto de Europa, gozó pronto de gran fortuna en España, y fue traducida en varias ocasiones, principalmente en el siglo XVI y en el siglo XIX. -
Ariosto and Tasso. Nancy Dersofi Bryn Mawr College
Bryn Mawr Review of Comparative Literature Volume 1 Article 4 Number 1 Summer 1999 Summer 1999 Review of Valeria Finucci, Renaissance Transactions: Ariosto and Tasso. Nancy Dersofi Bryn Mawr College Follow this and additional works at: https://repository.brynmawr.edu/bmrcl Let us know how access to this document benefits ouy . Recommended Citation Dersofi, Nancy (1999). Review of "Review of Valeria Finucci, Renaissance Transactions: Ariosto and Tasso.," Bryn Mawr Review of Comparative Literature: Vol. 1 : No. 1 Available at: https://repository.brynmawr.edu/bmrcl/vol1/iss1/4 This paper is posted at Scholarship, Research, and Creative Work at Bryn Mawr College. https://repository.brynmawr.edu/bmrcl/vol1/iss1/4 For more information, please contact [email protected]. Dersofi: Dersofi on Finucci Valeria Finucci, ed., Renaissance Transactions: Ariosto and Tasso. Durham: Duke UP, 1999. 296 pp. ISBN 0822322951. Reviewed by Nancy Dersofi, Bryn Mawr College This handsome volume of essays on Ariosto and Tassso addresses the contrasting styles of the two Renaissance epic poets whose works are both a milestone in literary history and a turning point in discussions about the nature of the modern narrative and how to read it. In her introduction, Finucci reviews the sixteenth-century argument that viewed Ariosto's Orlando furioso (1532), digressive, fragmented, ironic, as the epitome of chivalric romance and read Tasso's Gerusalemme liberata (1581) as a unified epic premised on a single moral truth, equal to the epic achievements of Homer and Virgil. Recent criticism has taken a different tack, celebrating Ariosto's skepticism and observing discontinuity in Tasso's poetics. Finucci presents her collection of essays as a book designed to explore new perspectives on the poems and to foster dialogue among the various critical approaches they represent. -
Annual Plant Reviews, Plant Proteomics
1405144297_1_pretoc.qxd 16-06-2006 9:40 Page i Plant Proteomics This page intentionally left blank 1405144297_1_pretoc.qxd 16-06-2006 9:40 Page iii Plant Proteomics Edited by CHRISTINE FINNIE Biochemistry and Nutrition Group Biocentrum-DTU Technical University of Denmark Kgs Lyngby Denmark 1405144297_1_pretoc.qxd 16-06-2006 9:40 Page iv © 2006 Blackwell Publishing Editorial Offices: Blackwell Publishing Ltd, 9600 Garsington Road, Oxford OX4 2DQ, UK Tel: ϩ44 (0)1865 776868 Blackwell Publishing Professional, 2121 State Avenue, Ames, Iowa 50014-8300, USA Tel: ϩ1 515 292 0140 Blackwell Publishing Asia Pty Ltd, 550 Swanston Street, Carlton, Victoria 3053, Australia Tel: ϩ61 (0)3 8359 1011 The right of the author to be identified as the author of this work has been asserted in accordance with the Copyright, Designs and Patents Act 1988. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, except as permitted by the UK Copyright, Designs and Patents Act 1988, without the prior permission of the publisher. First published 2006 by Blackwell Publishing Ltd ISBN-13: 978-1-4051-4429-2 ISBN-10: 1-4051-4429-7 Library of Congress Cataloging-in-Publication Data Plant proteomics/edited by Christine Finnie. p. cm. — (Annual plant reviews) Includes bibliographical references and index. ISBN-13: 978-1-4051-4429-2 (hardback: alk. paper) ISBN-10: 1-4051-4429-7 (hardback: alk. paper) 1. Plant proteins. 2. Plant proteomics. I. Finnie, Christine. II. Series QK898.P8P52 2006 572Ј.62—dc22 2006009416 A catalogue record for this title is available from the British Library Set in 10/12 pt, Times by Charon Tec Ltd, Chennai, India www.charontec.com Printed and bound in India by Replika Press Pvt. -
Orlando Furioso by Ludovico Ariosto (1532) Orlando Furioso Is an Italian Epic Poem by Ludovico Ariosto Which Has Exerted a Wide Influence on Later Culture
Galician Princess Isabella character in Orlando Furioso epic poem by Ludovico Ariosto (1532) Orlando Furioso by Ludovico Ariosto (1532) Orlando furioso is an Italian epic poem by Ludovico Ariosto which has exerted a wide influence on later culture. The earliest version appeared in 1516, although the poem was not published in its complete form until 1532. Orlando Furioso is a continuation of Matteo Maria Boiardo's unfinished romance Orlando Innamorato (Orlando in Love, published posthumously in 1495). In its historical setting and characters, it shares some features with the Old French Chanson de Roland of the eleventh century, which tells of the death of Roland. The story is also a chivalric romance which stemmed from a tradition beginning in the late 1 Middle Ages and continuing in popularity in the 16th century and well into the 17th. Galician Princess Isabel in Orlando Furioso NOT the Isabel (d’Este) mentioned by Melissa in Canto XIII. Orlando finds XII, Backstory and travels with Orlando XIII, mentioned in XVIII as Zerbino’s lover, Gabrina lies to Zerbino about her XX, Rescues Zerbino XXIII, Death of Zerbino and saved by hermit XXIV, captured by Rodomonte XXVIII, slain by Rodomonte XXIX Classical Types Arethusa, Daphne, Juliet Daughter of the King of Galicia, Lover of Zerbino, Kidnapped and Slain by Rodomonte TLDR Beautiful Moor Loses Star-Crossed Lover, Pulls Surprise Death on Would-be Rapist Summary The Christian Scottish Prince Zerbino wins Isabel’s heart when he attends a tournament in her father’s kingdom of Galicia. The faith-crossed lovers arrange an elopement that will bring Isabel by ship to Scotland, but a storm leaves Isabel stranded with a small crew of survivors.