Relevant bibliographies by topics / Proteinaceou

Academic literature on the topic 'Proteinaceou'

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Published: 9 March 2023
Last updated: 10 March 2023

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Journal articles on the topic "Proteinaceou"

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О.В., Скрипко. "ИЗУЧЕНИЕ ФУНКЦИОНАЛЬНО-ТЕХНОЛОГИЧЕСКИХ СВОЙСТВ БЕЛКОВО-ВИТАМИННЫХ И БЕЛКОВО-УГЛЕВОДНЫХ ДОБАВОК НА ОСНОВЕ СОИ." Bulletin of KSAU, no. 3 (March 19, 2020): 150–56. http://dx.doi.org/10.36718/1819-4036-2020-3-150-156.

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Цель исследования – изучение функционально-технологических свойств разработанных в ФГБНУ ВНИИ сои инновационных пищевых добавок в виде белково-витаминных концентратов (БВК) и белково-углеводных гранулятов (БУГ). Задачи исследования: определить растворимость в воде БВК в виде гранул и муки, а также БУГ в гранулированном виде; установить продолжительность набухания муки и гранул БУГ и БВК; определить водосвязывающую (ВСС) и водопоглотительную (ВПС) способность БВК и БУГ в гранулированном и диспергированном виде. В результате исследования изучены основные функционально-технологические свойства: растворимость, набухаемость, водопоглотительная способность и водосвязывающая способность добавок в виде гранул и в диспергированном виде. Установлено, что растворимость и набухаемость добавок зависит, прежде всего, от химического состава компонента, а также от его физической формы. Так, белково-вита-минные концентраты обладают более высокой набухаемостью, но процесс набухания протекает медленно в сравнении с белково-углеводными гранулятами. Водопоглотительная способность добавок в виде муки на 23–32 % выше, чем водопоглотительная способность добавок в виде гранул, что связано с физической формой добавки и площадью соприкосновения материала с водой. Установлено, что данный вид добавок обладает высокой водосвязывающей способностью от 183 % для гранул белково-витаминного концентрата до 304 % муки из белково-углеводного гранулята, при этом водосвязывающая способность добавок в виде муки значительно превосходит водосвязывающую способность добавок в виде гранул. Результаты исследований функционально-технологических свойств белково-витаминных и белково-углеводных добавок позволили определить возможности их дальнейшего использования для повышения пищевой и биологической ценности инновационных продуктов питания.
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Fuxreiter, Monika, Ágnes Tóth-Petróczy, Daniel A. Kraut, Andreas T. Matouschek, Roderick Y. H. Lim, Bin Xue, Lukasz Kurgan, and Vladimir N. Uversky. "Disordered Proteinaceous Machines." Chemical Reviews 114, no. 13 (April 4, 2014): 6806–43. http://dx.doi.org/10.1021/cr4007329.

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Chandna, Sanya, Monarch Shah, and Ankit Agrawal. "PROTEINACEOUS COVID-19." Chest 158, no. 4 (October 2020): A551. http://dx.doi.org/10.1016/j.chest.2020.08.521.

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Deaton, J., C. Savva, J. Sun, S. Sharma, A. Holzenburg, J. Sacchettini, and R. Young. "GroEL: A Proteinaceous “Surfactant” ?" Microscopy and Microanalysis 8, S02 (August 2002): 840–41. http://dx.doi.org/10.1017/s1431927602102558.

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Svensson, Birte, Kenji Fukuda, Peter K. Nielsen, and Birgit C. Bønsager. "Proteinaceous α-amylase inhibitors." Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics 1696, no. 2 (February 2004): 145–56. http://dx.doi.org/10.1016/j.bbapap.2003.07.004.

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Akhunzada, Zahir S., Mario Hubert, Erinc Sahin, and James Pratt. "Separation, Characterization and Discriminant Analysis of Subvisible Particles in Biologics Formulations." Current Pharmaceutical Biotechnology 20, no. 3 (April 30, 2019): 232–44. http://dx.doi.org/10.2174/1389201020666190214100840.

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Background:The presence of subvisible particles (SVPs) in parenteral formulations of biologics is a major challenge in the development of therapeutic protein formulations. Distinction between proteinaceous and non-proteinaceous SVPs is vital in monitoring formulation stability.Methods:The current compendial method based on light obscuration (LO) has limitations in the analysis of translucent/low refractive index particles. A number of attempts have been made to develop an unambiguous method to characterize SVPs, albeit with limited success.Results:Herein, we describe a robust method that characterizes and distinguishes both potentially proteinaceous and non-proteinaceous SVPs in protein formulations using Microflow imaging (MFI) in conjunction with the MVAS software (MFI View Analysis Suite), developed by ProteinSimple. The method utilizes two Intensity parameters and a morphological filter that successfully distinguishes proteinaceous SVPs from non-proteinaceous SVPs and mixed aggregates.Conclusion:he MFI generated raw data of a protein sample is processed through Lumetics LINK software that applies an in-house developed filter to separate proteinaceous from the rest of the particulates.
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Gusakov, A. V. "Proteinaceous inhibitors of microbial xylanases." Biochemistry (Moscow) 75, no. 10 (October 2010): 1185–99. http://dx.doi.org/10.1134/s0006297910100019.

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Braun, R., E. Brachtl, and M. Grasmug. "Codigestion of Proteinaceous Industrial Waste." Applied Biochemistry and Biotechnology 109, no. 1-3 (2003): 139–54. http://dx.doi.org/10.1385/abab:109:1-3:139.

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Fuxreiter, Monika, Ágnes Tóth-Petróczy, Daniel A. Kraut, Andreas Matouschek, Roderick Y. H. Lim, Bin Xue, Lukasz Kurgan, and Vladimir N. Uversky. "Correction to Disordered Proteinaceous Machines." Chemical Reviews 115, no. 7 (March 26, 2015): 2780. http://dx.doi.org/10.1021/acs.chemrev.5b00150.

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Tarr, B. D., and S. H. Bixby. "Proteinaceous grain-based fat substitute." Trends in Food Science & Technology 6, no. 9 (September 1995): 317. http://dx.doi.org/10.1016/s0924-2244(00)89157-8.

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Dissertations / Theses on the topic "Proteinaceou"

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ZEYNALI, AMIRBAHADOR. "Two-photon assisted direct laser writing of proteinaceous microarchitectures containing plasmonic nanoparticles; characterization and optimization." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/304319.

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Le nanoparticelle metalliche, grazie alle loro affascinanti proprietà ottiche ed elettrochimiche, attirano l'attenzione di diverse discipline scientifiche e di ricerca ingegneristica. Tra queste proprietà, l'effetto fototermico indotto dalle risonanze plasmoniche, è una caratteristica notevole ed esclusiva delle nanoparticelle di metalli nobili che, ad oggi, vengono già sfruttate per vari scopi, sia per ricerca che, soprattutto, per applicazioni biomediche. Il fenomeno della risonanza plasmonica superficiale, caratterizzato da bande ben definite, fornisce a queste nanoparticelle una notevole la flessibilità nella risposta ottica che si può vantaggiosamente trasferire a matrici polimeriche in cui queste vengano disperse. In particolare, la possibilità di indurre un aumento di temperatura altamente localizzato che può essere attivato tramite un dispositivo di stimolazione esterno come una sorgente di luce, renderebbe tali matrici strumenti preziosi nel campo dei trattamenti cellulari e, in generale, dell'ingegneria dei tessuti In questa tesi, la tecnica di scrittura (photo-cross-link) laser diretta (DLW), attivata da assorbimento a due fotoni, è stata impiegata per fabbricare micro-architetture con il diverso modulo elastico (da 80kPa a 800kPa) a partire da un inchiostro proteico composto da albumina di siero bovino (BSA), un foto-iniziatore (Rose Bengale o blu di metilene) e nanoparticelle d'oro a simmetria non sferica (GNP). Mostriamo qui che la presenza di queste ultime, se opportunamente schermate dall’interazione con il foto-iniziatore, fornisce alle microstrutture foto-polimerizzate la capacità di generare un aumento della temperatura locale mediante stimolazione nella regione spettrale del vicino infrarosso. L'efficienza fototermica misurata sotto l’effetto di radiazione laser focalizzata a 800 nm (in continua) su microstrutture caricate con una bassa concentrazione di atomi d'oro (1% w/w) ha raggiunto 12.2 pm 0.4 C/W, che costituisce un record di effetto fototermico indotto su una microstruttura a base proteica proteinica stampata tramite DLW. La funzionalità foto-termica derivante dalle GNP incorporate nelle microstrutture proteiche fabbricate riveste una notevole potenzialità nello studio delle risposte di sistemi viventi, come cellule e colture di batteri, al rilascio di calore altamente localizzato e controllato sia per quanto riguarda il tempo di irraggiamento che la dose rilasciata.
Metallic nanoparticles, due to their fascinating optical and electrochemical properties, attract the attention of different science and engineering research disciplines. Among these properties, the plasmonic photothermal effect is a notable and exclusive feature of noble-metal nanoparticles that, by today, are exploited through lots of research activities for various purposes, especially for biomedical applications. This optically-tunable phenomenon uniquely increases the flexibility of the optical response of host matrices, by allowing to induce highly localized temperature increases that can be triggered via simple external stimulation device like a light source. Such matrices can be valuable tools in the field of cell treatments and, in general, tissue engineering. In the present study, the two-photon-assisted direct laser writing (DLW) technique was employed to fabricate microarchitectures with the different elastic modulus (80kPa to 800kPa) from a proteinaceous ink composed of bovine serum albumin (BSA), rose Bengal (RB), or methylene blue (MB), and non-spherical symmetric gold nanoparticles (GNPs), with the ability to generate local temperature increase by stimulation in the near-infrared spectral region. The recorded photothermal efficiency measured using focused continuous wave (CW) laser irradiation at 800nm on microstructures loaded with GNPs at low gold atom concentration (1%w/w) reached 12.2 pm 0.4 C/W, that is a record photothermal effect induced from a printed proteinaceous feature. This photo-thermal functionality arising from the GNPs embedded within the fabricated proteinaceous microstructures can then be applied for studying responses of living systems like cells and bacteria cultures under an externally triggered highly localized heat release.
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López, Arolas Joan. "Structural and Functional Studies on Proteinaceous Metallocarboxypeptidase Inhibitors." Doctoral thesis, Universitat Autònoma de Barcelona, 2005. http://hdl.handle.net/10803/3531.

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La present tesi està formada per sis treballs de recerca independents que estan situats en el camp dels inhibidors de metal·locarboxipeptidases: s'estudia el seu plegament, estabilitat, estructura i funció.
El primer treball inclou l'aïllament i el clonatge de l'ADNc d'un nou inhibidor de carboxipeptidases de la paparra, anomenat TCI. Els estudis realitzats sobre la forma recombinant del TCI indiquen que aquesta proteïna està fortament limitada pels seus ponts disulfur, sent molt estable enfront un ampli rang de pH i altament resistent a condicions desnaturalitzants. El TCI recombinant és un inhibidor que s'uneix fortament a TAFIa, estimulant així la fibrinòlisi in vitro, fet que li confereix potencial en aplicacions de prevenció o tractament de desordres trombòtics.
El segon treball presenta l'estructura cristal·lina del TCI unit a la carboxipeptidasa A bovina i a la carboxipeptidasa B humana. El TCI està format per dos dominis que són estructuralment molt semblants a pesar de tenir un baix grau d'homologia seqüencial. Cada domini inclou una hèlix a curta seguida per una petita fulla b antiparal·lela girada i presenta una alta homologia estructural enfront proteïnes de la família de les b-defensines. El TCI s'ancora a la superfície de les carboxipeptidases de mamífer en un mode d'unió doble que no s'havia observat abans per cap altre inhibidor de carboxipeptidases.
En el tercer treball s'examina la contribució de cadascun dels aminoàcids del lloc d'unió secundari de l'inhibidor de carboxipeptidases de patata (PCI) de cara a les propietats generals d'aquesta proteïna. Els estudis estructurals i enzimàtics demostren que el posicionament correcte del lloc d'unió primari per una unió i inhibició eficient de la carboxipeptidasa A depèn significativament del lloc d'unió secundari. A més, l'estudi comparatiu del plegament oxidatiu d'una sèrie de mutants del PCI utilitzant una aproximació de captura dels ponts disulfur indiquen que les forces no covalents dirigeixen el replegament d'aquesta petita proteïna rica en ponts disulfur a l'etapa de "reshuffling", que és el pas limitant del procés de plegament del PCI.
En el quart treball s'ha determinat els camins de plegament oxidatiu i desplegament reductor de l'inhibidor de carboxipeptidases de sangonera (LCI). L'LCI reduït i desnaturalitzat és replega ràpidament a través d'un flux seqüencial d'espècies amb un, dos, tres i quatre ponts disulfur fins assolir la forma nativa. Dins dels intermediaris de plegament de l'LCI hi trobem dues espècies predominants de tres ponts disulfur (anomenades III-A i III-B) i una població heterogènia d'isòmers "scrambled" (quatre ponts disulfur no natius) que s'acumulen consecutivament al llarg de la reacció de plegament. Aquest estudi revela que les formes III-A i III-B contenen exclusivament ponts disulfur natius i corresponen a espècies estables i parcialment estructurades que s'interconverteixen entre elles assolint l'equilibri abans que la formació dels isòmers "scrambled" tingui lloc.
En el cinquè treball s'ha purificat l'intermediari III-A directament de la reacció de plegament i se l'ha caracteritzat estructuralment per RMN. Els resultats mostren que aquesta espècie presenta una estructura força nativa, tot i que li manquen alguns elements d'estructura secundària per la qual cosa és més flexible que l'LCI natiu. III-A representa el primer exemple d'un intermediari "disulfide insecure" ("ponts disulfur insegurs") determinat estructuralment. L'oxidació directa d'aquesta espècie cap a la proteïna totalment nativa sembla estar restringida per l'enterrament de les seves dues cisteïnes dins d'una estructura semblant a la nativa. També s'han utilitzat aproximacions teòriques basades en constriccions topològiques que prediuen força bé la presència d'aquest intermediari de plegament.
L'últim treball d'aquesta tesi tracta sobre l'altre intermediari majoritari de plegament de l'LCI. En aquest treball s'ha construït i analitzat extensivament un anàleg d'aquest intermediari. Els resultats obtinguts mostren que aquesta proteïna presenta una estructura global i una activitat semblants a les de la forma salvatge de l'LCI. A més, presenta un procés de plegament més ràpid i eficient que l'LCI salvatge. Tanmateix, aquest anàleg està fortament desestabilitzat, fet que indica que el quart pont disulfur dóna alta estabilitat i especificitat estructural a l'LCI.
The present thesis consists of six independent research works that are situated in the field of metallocarboxypeptidase inhibitors: their folding, stability, structure and function are studied.
The first work comprises the isolation and cDNA cloning of a new carboxypeptidase inhibitor from ticks, named TCI. The studies performed on the recombinant form of TCI indicate that this protein is strongly constrained by its disulfide bonds, being unusually stable over a wide pH range and highly resistant to denaturing conditions. As a tight binding inhibitor of TAFIa, TCI stimulates fibrinolysis in vitro and thus may have potential for applications to prevent or treat thrombotic disorders.
The second work presents the crystal structure of TCI in complex with either bovine carboxypeptidase A or human carboxypeptidase B. The structure of TCI consists of two domains that are structurally similar despite the low degree of sequence homology. The domains, each consisting of a short a-helix followed by a small twisted antiparallel b-sheet, show high structural homology to proteins of the b-defensin-fold family. Also, TCI anchors to the surface of mammalian carboxypeptidases in a double-headed manner not previously seen for carboxypeptidase inhibitors.
In the third part, the role of each residue of the secondary binding site of potato carboxypeptidase inhibitor (PCI) in the folding, structure and function of this protein is determined. Structural and enzymatic studies demonstrate that the proper positioning of the primary site for efficiently binding and inhibition of carboxypeptidase A is significantly dependent on such a secondary contact region. In addition, a comparative study of the oxidative folding of several PCI mutants indicates that noncovalent forces drive the refolding of this small disulfide-rich protein at the reshuffling stage, the rate-limiting step of the process.
The fourth work elucidates the oxidative folding and reductive unfolding pathways of leech carboxypeptidase inhibitor (LCI). Reduced and denatured LCI refolds rapidly through a sequential flow of 1-, 2-, 3-, and 4-disulfide (scrambled) species to reach the native form. Folding intermediates of LCI comprise two predominant 3-disulfide species (III-A and III-B) and a heterogeneous population of scrambled isomers that consecutively accumulate along the folding reaction. Our study reveals that forms III-A and III-B exclusively contain native disulfide bonds and correspond to stable and partially structured species that inter-convert, reaching an equilibrium prior to the formation of the scrambled isomers.
In the fifth work, the III-A intermediate is directly purified from the folding reaction and structurally characterized by NMR spectroscopy. The data shows that this species displays a highly native-like structure although it lacks some secondary structure elements being more flexible than native LCI. III-A represents the first structurally determined example of a disulfide insecure intermediate; direct oxidation of this species to the fully native protein seems to be restricted by the burial of its two free cysteine residues inside a native-like structure. We show also that theoretical approaches based on topological constrains predict with good accuracy the presence of this folding intermediate.
The last work of this thesis deals with the other major folding intermediate of LCI: III-B intermediate. In this work, an analog of this intermediate is constructed and extensively analyzed. The derived data shows that this protein displays the same overall structure, a similar activity, a faster and more efficient folding process than wild-type LCI, but a lower stabilization, which indicates that the fourth disulfide bond provides LCI with both high stability and structural specificity.
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Saikhwan, Phanida. "Cleaning behaviour of some polymeric and proteinaceous fouling layers." Thesis, University of Cambridge, 2008. https://www.repository.cam.ac.uk/handle/1810/252107.

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Pinker, Franziska. "Structural characterization of proteinaceous RNase P from Arabidopsis thaliana." Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAJ093/document.

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La maturation des ARNt en 5' est réalisée par RNase P. C'est un ribozyme chez les bactéries, les fungi et les nuclei des mammifères et un enzyme protéique dans les plantes ou des organelles des mammifères qui s’appelle PRORP. Il y a trois PRORP dans A. thaliana. PRORP contiennent deux domaines : un domaine PPR qui reconnaît spécifiquement des séquences d'ARN et un domaine nucléase qui assure la coupure endonucléolytique 5' des précurseurs d’ARNt. Pendant ma thèse j'ai pu montré par des méthodes biophysiques et structurales comme SRCD et SAXS que PRORP1 et 2 sont composées en majorité des hélices alpha Elles ont un rayon de giration de 33 Å et contiennent deux domaines distincts avec et une dimension maximale de 110 Å. Pour le complex entre un substrat d'ARNt et PRORP une constante de dissociation de 1 uM a pu être confirmé par la microcalorimétrie, la thermophorèse et l'ultracentrifugation analytique. Ces analyses nous ont permis de construire un modèle PRORP et un substrat d'ARNt
RNase P cleaves 5’ leaders of precursor tRNAs. RNase P is a ribozyme in bacteria, fungi and animal nuclei and a protein in animal organelles, plants and many other organism. There are three PRORPs in A. thaliana. MALS, SRCD and SAXS provided first structural information: 1) PRORPs are monomers in solution. 2) PRORP 1-2 have a high alpha-helical content. 3) PRORPs are composed of two distinct domains with a radius of gyration of 33 A. These results together with homology modelling enabled us to build a first model of PRORPs in complex with tRNA. Using three different methods, isothermal titration calorimetry, microscale thermophoresis and analytical ultracentrifugation, a binding constant of about 1 µM could be determined for the system PRORP2mDD and L5T0 tRNA. This helped us conducting a SAXS experiment taking into account the low resolution affinity and designed to provide the direct structural data of a complex of proteinaceous RNase P with a substrate tRNA
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Gülich, Susanne. "Engineering Proteinaceous Ligands for Improved Performance in Affinity Chromatography Applications." Doctoral thesis, KTH, Biotechnology, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3327.

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Ma, Li. "Soil Organic Nitrogen - Investigation of Soil Amino Acids and Proteinaceous Compounds." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/51960.

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Soil carbon (C) and nitrogen (N) are predominantly in organic form. Proteins/ peptides, as an important organic form of N, constitute a substantial part of soil organic matter. On one hand, proteins/peptides are an important N source for plants and microorganisms, particularly in soils where inorganic N is limited. On the other hand, their stabilization in soils by forming organo-mineral associates or macromolecule complex reduces the C loss as CO2 into the atmosphere. Therefore, studies on the turnover, abundance, composition, and stability of proteins/peptides are of crucial importance to agricultural productivity and environmental sustainability. In the first part of this study, the bioavailability and distribution of amino acids, (building block of proteins/peptides), were investigated, in soils across the North-South and West-East transects of continental United States. The second part of this study aimed to understand the variations of organic C speciation in soils of continental United States. Previous investigations of the interactions between soil minerals and proteins/peptides were mostly limited to batch sorption experiments in labs, seldom of which gave the details at the molecular scales. Therefore, in the third part of this study, the molecular orientation of self-assembled oligopeptides on mineral surfaces was investigated by employing synchrotron based polarization-dependent Near Edge X-ray Adsorption Fine Structure Spectroscopy (NEXAFS) techniques. Specific aims of this study were: 1) to assess potentially bioavailable pool of proteinaceous compounds and the immediately bioavailable pool of free amino acids in surface and subsurface soils of various ecosystems; 2) to evaluate the relationship between environmental factors and levels/composition of the two pools; 3) to investigate the organic C speciation in soils of various land use; and 4) to understand molecular level surface organization of small peptides on mineral surfaces. The levels of free amino acids and hydrolysable amino acids which represent the potentially bioavailable pool of proteinaceous compounds in A-horizon soils were significantly high than in C-horizon soils due to the accumulation of organic matter in surface. On average, free amino acids accounted for less than 4 % of hydrolysable amino acids which represent the total proteinaceous compounds in soils. The composition of free amino acids was significantly different between surface soil and subsurface soil and was significantly influenced by mean annual temperature and precipitation. A relatively uniform composition of hydrolysable amino acids was observed irrespective of a wide range of land use. Significant variations were observed for the levels of free and hydrolysable amino acids along mean annual temperature and precipitation gradients, as well as among vegetation types of continental USA, suggesting levels of free and hydrolysable amino acids were associated with the above-ground biomass and root distribution. Organic C speciation investigation revealed the presence of carboxylic-C (38%), aliphatic-C (~ 22%), aromatic-C (~ 18%), O/N-alkyl-C (~ 16%), and phenolic-C (< 6%). Factors such as temperature and vegetation cover were revealed in this study to account for the fluctuations of the proportions of aromatic-C and phenolic-C, in particular. Phenolic-C may serve as a good indicator for the effect of temperature or vegetation on the composition of SOC. The average composition of soil organic C, over the continental scale, was relatively uniform over various soil ecosystems and between two soil horizons irrespective of surface organic C content. Polarization dependent NEXAFS analysis showed the oligopeptides tend to orient on mineral surface with an average tilt angle of 40 ° between the molecular chain and the mineral surface.
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Flatman, Ruth H. "Specificity and mechanism of the proteinaceous xylanase inhibitor from wheat, XIP-I." Thesis, University of East Anglia, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247102.

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Zang, Xu. "Encapsulation of Proteinaceous materials in Macromolecular Organic Matter as a mechanism for environmental preservation /." The Ohio State University, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486400446370061.

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Moon, Jinyoung. "Selective accrual and dynamics of proteinaceous compounds during pedogenesis: testing source and sink selection hypotheses." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/77030.

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The emerging evidence of preferential accumulation and long residence time of proteinaceous compounds in soil are counter to the traditional view that their structure is readily broken down through microbial activity. The shift in thinking of their residence time is, however, heavily influenced by physical and chemical protections in soil, representing an important change for understanding global biogeochemical carbon and nitrogen cycling. We investigated the accumulation patterns of proteinogenic amino acids for a long term (thousands of years) related to their sources and sinks. We found clear patterns of change in the amino acids in a 4000 year-chronosequence adjacent to Lake Michigan, USA (Michigan chronosequence) and they were tightly related to the shifts in their biological sources, namely aboveground vegetative community (r2=0.66, p<0.0001) and belowground microbial community (r2=0.71, p<0.0001). Results also showed great variations of approximately 49% between seasons (summer and winter). Moreover, seasonal dynamic patterns (22% variations) of the amino acids in soil mineral associated fraction were rather counter to the conceptual view that it represents a slow soil organic pool with long residence times. The amino acids enriched in the mineral associated fraction, (e.g., positively charged, aromatic, and sulfur containing amino acids), tended to preferentially accumulate in whole soil pool during the 4000 years of ecosystem development. Their interaction with soil minerals, therefore, may play a critical role in the long-term sink and selective accumulation of proteinaceous compounds with some degree of the displacement. This was further confirmed by another chronosequence system near Haast River, New Zealand, which is geologically separated and climatically- and ecologically- different from the Michigan chronosequence. Common trends between two chronosequences suggested that either polar interactions or redox reactions may be relatively more important in the mineral interaction of amino acids than non-polar interactions. The consistency of results at two disparate locations in the southern and northern hemispheres is strong evidence that the processes of pedogenesis and ecosystem development are parsimonious and predictable. Our research demonstrated fundamental understanding of behavior of proteinaceous compounds at the molecular species level, and further provided their partitioning mechanisms associated with soil components.
Ph. D.
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Knowles, Timothy David James. "Following the fate of proteinaceous material in soil using a compound-specific 13C-and 15N-labelled tracer approach." Thesis, University of Bristol, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.503943.

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Organic nitrogen containing compounds represent the vast majority of natural N inputs to soils and of these, proteins, peptides and amino acids are the most significant. In order to facilitate the elucidation of both the nature and rates of the processes by which these vital nutrients are transformed in soils, an understanding of their fate at a mole; level is vital. This thesis aimed to utilise soil incubation experiments with dual (¹⁵N- and ¹³C-) labelled substrates, i.e. a suite of amino acids, individual amino acids and more complex substrates, i.e. protein and cow dung, as isotopically labelled trace enabling their N and C to be followed over time. A molecular level approach was adopted which included the application of chemically and isotopically defined substrates to soil and the use of compound-specific stable isotope (N and C) analysis to trace the fate of label into the soil amino acids (and in selected cases phospholipids, C only).
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Books on the topic "Proteinaceou"

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(Editor), Vladimir Uversky, and Irina A. Kataeva (Editor), eds. Cellulosome (Molecular Anatomy and Physiology of Proteinaceous Machines). Nova Science Publishers, 2006.

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Polyamides and Complex Proteinaceous Materials I (Biopolymers, Vol. 7). Wiley-VCH, 2002.

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(Editor), Stephen R. Fahnestock, and Alexander Steinbüchel (Editor), eds. Polyamides and Complex Proteinaceous Materials II (Biopolymers, Vol. 8). Wiley-VCH, 2003.

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Book chapters on the topic "Proteinaceou"

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Grinstaff, Mark W., and Kenneth S. Suslick. "Proteinaceous Microspheres." In ACS Symposium Series, 218–26. Washington, DC: American Chemical Society, 1992. http://dx.doi.org/10.1021/bk-1992-0493.ch018.

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Silva, Raquel, Helena Ferreira, Andreia Vasconcelos, Andreia C. Gomes, and Artur Cavaco-Paulo. "Sonochemical Proteinaceous Microspheres for Wound Healing." In Nano-Biotechnology for Biomedical and Diagnostic Research, 155–64. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2555-3_15.

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Ricci, P., F. Panabieres, P. Bonnet, N. Maia, M. Ponchet, J. C. Devergne, A. Marais, L. Cardin, M. L. Milat, and J. P. Blein. "Proteinaceous Elicitors of Plant Defense Responses." In Developments in Plant Pathology, 121–35. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1737-1_34.

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Hamodrakas, Stavros J. "Molecular Architecture of Helicoidal Proteinaceous Eggshells." In Results and Problems in Cell Differentiation, 115–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-540-47207-0_6.

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König, H. "Comparative Aspects on Archaeobacterial Proteinaceous Cell Envelopes." In Crystalline Bacterial Cell Surface Layers, 7–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73537-0_2.

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Cândido, Elizabete de Souza, Marlon Henrique Cardoso, Daniel Amaro Sousa, Karina Castellanos Romero, and Octávio Luiz Franco. "Proteinaceous Plant Toxins with Antimicrobial and Antitumor Activities." In Plant Toxins, 401–14. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-007-6464-4_12.

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Krishnamurthy, T., M. Prabhakaran, and S. R. Long. "Mass Spectrometric Investigations on Proteinaceous Toxins and Antibodies." In Advances in Experimental Medicine and Biology, 439–63. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0361-9_37.

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Cândido, Elizabete de Souza, Marlon Henrique Cardoso, Daniel Amaro Sousa, Karina Castellanos Romero, and Octávio Luiz Franco. "Proteinaceous Plant Toxins with Antimicrobial and Antitumor Activities." In Plant Toxins, 1–14. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-007-6728-7_12-1.

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König, Helmut, Reinhard Rachel, and Harald Claus. "Proteinaceous Surface Layers of Archaea: Ultrastructure and Biochemistry." In Archaea, 315–40. Washington, DC, USA: ASM Press, 2014. http://dx.doi.org/10.1128/9781555815516.ch14.

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Steinberg, Christian E. W. "Utilization of Proteinaceous Nutrients—‘Becoming Strong with Meat’." In Aquatic Animal Nutrition, 43–60. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-87227-4_3.

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Conference papers on the topic "Proteinaceou"

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DeSha, Michael S. "Biological Aerosol Sensor Breadboard." In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.cfj7.

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In recent history, manmade and natural events have shown us the ever-present need for systems to monitor the troposphere for contaminates. These contaminants may take either a chemical or biological form, which determines the methods we use to monitor them. Monitoring the troposphere for biological contaminants is of particular interest to my organization. Whether manmade or natural, contaminants of a biological origin share a similar constitution: typically the aromatic amino acids tryptophan, phenylalanine, and tyrosine in varying amounts. All of these proteinaceous compounds have the capability to autofluoresce when exposed to ultraviolet radiation. This establishes the basis of the laser induced fluorescence (LIF) technique we use to detect biological contaminants. This technique can be employed in either point or remote detection schemes and is a valuable tool for discriminating proteinaceous from non-proteinaceous aerosols. For this particular presentation I am going to describe a breadboard point sensor I designed and fabricated to detect proteinaceous aerosols.
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Jung, Jung-Yeul, Ki-Taek Byun, Jae-Ho Hong, and Ho-Young Kwak. "Proteinaceous Bubbles and Nano Particle Flows in Microchannel." In ASME 2004 2nd International Conference on Microchannels and Minichannels. ASMEDC, 2004. http://dx.doi.org/10.1115/icmm2004-2437.

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Proteinaceous bubbles of 185 nm in average diameter were synthesized by a sonochemical treatment of bovine serum albumin in aqueous solution and the nanoparticles (TiO2) solution was made by ultrasonic irradiation. To study the macroscopic flow behavior associated with the changes in the state of microparticles, a flow test of these solutions in microchannels was done. Also the size distributions of the proteinaceous bubbles in solution before and after the flow test were measured by a light scattering method. Test results show that the air-filled proteinaceous bubbles in solution adjust their size to reduce the shear stress encountered in the flow through the microchannel. On the other hand, the flow rate of the solution with nanoparticles suspensions becomes smaller than that of deionized water above the flow rate of 6 cm3/min in the microchannel with a dimension of 100×150 μm2.
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Dooley, Kevin, and Scott Banta. "Engineering of functional proteinaceous hydrogels for biotechnology applications." In 2014 40th Annual Northeast Bioengineering Conference (NEBEC). IEEE, 2014. http://dx.doi.org/10.1109/nebec.2014.6972777.

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Sarkar, Anwesha. "Proteinaceous Microgels in Bulk and Interface: Applications in Food." In Virtual 2020 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2020. http://dx.doi.org/10.21748/am20.141.

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Serien, Daniela, and Koji Sugioka. "Hybrid additive and subtractive 3D femtosecond laser direct write for tailoring proteinaceous microstructures." In Microfluidics, BioMEMS, and Medical Microsystems XIX, edited by Bonnie L. Gray and Holger Becker. SPIE, 2021. http://dx.doi.org/10.1117/12.2578277.

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Kılıç, Başak, Ferhan Çeçen, and Ayşe Gül Peker. "Inhibitory Effect of Silver and Nanosilver on Activated Sludge Fed with Proteinaceous Feed." In The 8th World Congress on New Technologies. Avestia Publishing, 2022. http://dx.doi.org/10.11159/icnfa22.121.

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Serien, Daniela, and Koji Sugioka. "Pure proteinaceous high-aspect-ratio microstructures made by femtosecond laser multiphoton cross-linking." In Microfluidics, BioMEMS, and Medical Microsystems XVII, edited by Bonnie L. Gray and Holger Becker. SPIE, 2019. http://dx.doi.org/10.1117/12.2509131.

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Serien, Daniela, Hiroyuki Kawano, Atsushi Miyawaki, and Koji Sugioka. "Recent advances in 3D printing of pure proteinaceous microstructures by femtosecond laser direct write." In Laser-based Micro- and Nanoprocessing XIV, edited by Udo Klotzbach, Rainer Kling, and Akira Watanabe. SPIE, 2020. http://dx.doi.org/10.1117/12.2545310.

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Serien, Daniela, and Aiko Narazaki. "Comparative study of proteinaceous microfabrication with different repetition rates by femtosecond direct laser write." In Laser 3D Manufacturing IX, edited by Henry Helvajian, Bo Gu, and Hongqiang Chen. SPIE, 2022. http://dx.doi.org/10.1117/12.2610445.

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Shatrov, A. B. "LARVAE OF NEOTROMBICULA TALMIENSIS (SCHLUGER, 1955) (ACARIFORMES, TROMBICULIDAE) AND THEIR FEATURES PARASITISM ON NATURAL HOSTS." In V International Scientific Conference CONCEPTUAL AND APPLIED ASPECTS OF INVERTEBRATE SCIENTIFIC RESEARCH AND BIOLOGICAL EDUCATION. Tomsk State University Press, 2020. http://dx.doi.org/10.17223/978-5-94621-931-0-2020-84.

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Parasitengonina mites being a highly diverse and specialized phyletic lineage of the higher Acariformes, possess small and simply organized larvae. These larvae show a highly effective feeding mode of the proteinaceous feeding substrate consisting of the pre-oral digested host tissues. This capability is a result of the stylostome formation and allows larvae to overcome easily a high ontogenetic threshold between the larval organization and that of post-larval phases. Larvae of N. talmiensis evolve an identically organized pale-pink stylostome during feeding on both bank voles and Siberian chipmunk that confirm a hypothesis of the genus- or even species-specific stylostome organization.
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Reports on the topic "Proteinaceou"

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Wicker, Louise, Ilan Shomer, and Uzi Merin. Membrane Processing of Citrus Extracts: Effects on Pectinesterase Activity and Cloud Stability. United States Department of Agriculture, October 1993. http://dx.doi.org/10.32747/1993.7568754.bard.

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The U.S. team studied the role of cations and pH on thermolabile (TL-PE) and thermostable (TS-PE), permeation in ultrafiltration (UF) membranes, affinity to ion exchange membranes, mechanism of cation and pH activation, and effect on PE stability. An optimum pH and cation concentration exists for activity and UF permeation, which is specific for each cation type. Incomplete release of PE from a pectin complex resulted in low PE binding to cationic and anionic membranes. Incubation of PE at low pH increases the surface hydrophobicity, especially TL-PE, but the secondary structure of TL-PE is not greatly affected. The Israeli team showed that stable cloud colloidal constituents flocculate following the conversion of soluble to insoluble biopolymers. First, formation of pectic acid by pectinesterase activity is followed by the formation of calcium pectate gel. This process initiates a myriad of poorly defined reactions that result in juice clarification. Second, protein coagulation by heat resulted in flocculation of proteinacous bound cloud constituents, particularly after enzymatic pectin degradation. Pectinesterase activity is proposed to be an indirect cause for clarification; whereas binding of cloud constituents is the primary event in clarification by pectate gel and coagulated proteins. Understanding the mechanism of interaction of protein and pectic polymers is key to understanding cloud instability. Based on the above, it was hypothesized that the structure of pectin-protein coagulates plays a key role in cloud instability.
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Grafi, Gideon, and Brian Larkins. Endoreduplication in Maize Endosperm: An Approach for Increasing Crop Productivity. United States Department of Agriculture, September 2000. http://dx.doi.org/10.32747/2000.7575285.bard.

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The focus of this research project is to investigate the role of endoreduplication in maize endosperm development and the extent to which this process contributes to high levels of starch and storage protein synthesis. Although endoreduplication has been widely observed in many cells and tissues, especially those with high levels of metabolic activity, the molecular mechanisms through which the cell cycle is altered to produce consecutive cycles of S-phase without an intervening M-phase are unknown. Our previous research has shown that changes in the expression of several cell cycle regulatory genes coincide with the onset of endoreduplication. During this process, there is a sharp reduction in the activity of the mitotic cyclin-dependent kinase (CDK) and activation of the S-phase CDK. It appears the M-phase CDK is stable, but its activity is blocked by a proteinaceous inhibitor. Coincidentally, the S-phase checkpoint protein, retinoblastoma (ZmRb), becomes phosphorylated, presumably releasing an E2F-type transcriptional regulator which promotes the expression of genes responsible for DNA synthesis. To investigate the role of these cell cycle proteins in endoreduplication, we have created transgenic maize plants that express various genes in an endosperm-specific manner using a storage protein (g-zein) promoter. During the first year of the grant, we constructed point mutations of the maize M-phase kinase, p34cdc2. One alteration replaced aspartic acid at position 146 with asparagine (p3630-CdcD146N), while another changed threonine 161 to alanine (p3630-CdcT161A). These mutations abolish the activity of the CDK. We hypothesized that expression of the mutant forms of p34cdc2 in endoreduplicating endosperm, compared to a control p34cdc2, would lead to extra cycles of DNA synthesis. We also fused the gene encoding the regulatory subunit of the M- phase kinase, cyclin B, under the g-zein promoter. Normally, cyclin B is expected to be destroyed prior to the onset of endoreduplication. By producing high levels of this protein in developing endosperm, we hypothesized that the M-phase would be extended, potentially reducing the number of cycles of endoreduplication. Finally, we genetically engineered the wheat dwarf virus RepA protein for endosperm-specific expression. RepA binds to the maize retinoblastoma protein and presumably releases E2F-like transcription factors that activate DNA synthesis. We anticipated that inactivation of ZmRb by RepA would lead to additional cycles of DNA synthesis.
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Sela, Shlomo, and Michael McClelland. Investigation of a new mechanism of desiccation-stress tolerance in Salmonella. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7598155.bard.

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Low-moisture foods (LMF) are increasingly involved in foodborne illness. While bacteria cannot grow in LMF due to the low water content, pathogens such as Salmonella can still survive in dry foods and pose health risks to consumer. We recently found that Salmonella secretes a proteinaceous compound during desiccation, which we identified as OsmY, an osmotic stress response protein of 177 amino acids. To elucidate the role of OsmY in conferring tolerance against desiccation and other stresses in Salmonella entericaserovarTyphimurium (STm), our specific objectives were: (1) Characterize the involvement of OsmY in desiccation tolerance; (2) Perform structure-function analysis of OsmY; (3) Study OsmY expression under various growth- and environmental conditions of relevance to agriculture; (4) Examine the involvement of OsmY in response to other stresses of relevance to agriculture; and (5) Elucidate regulatory pathways involved in controlling osmY expression. We demonstrated that an osmY-mutant strain is impaired in both desiccation tolerance (DT) and in long-term persistence during cold storage (LTP). Genetic complementation and addition of a recombinantOsmY (rOsmY) restored the mutant survival back to that of the wild type (wt). To analyze the function of specific domains we have generated a recombinantOsmY (rOsmY) protein. A dose-response DT study showed that rOsmY has the highest protection at a concentration of 0.5 nM. This effect was protein- specific as a comparable amount of bovine serum albumin, an unrelated protein, had a three-time lower protection level. Further characterization of OsmY revealed that the protein has a surfactant activity and is involved in swarming motility. OsmY was shown to facilitate biofilm formation during dehydration but not during bacterial growth under optimal growth conditions. This finding suggests that expression and secretion of OsmY under stress conditions was potentially associated with facilitating biofilm production. OsmY contains two conserved BON domains. To better understand the role of the BON sites in OsmY-mediated dehydration tolerance, we have generated two additional rOsmY constructs, lacking either BON1 or BON2 sites. BON1-minus (but not BON2) protein has decreased dehydration tolerance compared to intact rOsmY, suggesting that BON1 is required for maximal OsmY-mediated activity. Addition of BON1-peptide at concentration below 0.4 µM did not affect STm survival. Interestingly, a toxic effect of BON1 peptide was observed in concentration as low as 0.4 µM. Higher concentrations resulted in complete abrogation of the rOsmY effect, supporting the notion that BON-mediated interaction is essential for rOsmY activity. We performed extensive analysis of RNA expression of STm undergoing desiccation after exponential and stationary growth, identifying all categories of genes that are differentially expressed during this process. We also performed massively in-parallel screening of all genes in which mutation caused changes in fitness during drying, identifying over 400 such genes, which are now undergoing confirmation. As expected OsmY is one of these genes. In conclusion, this is the first study to identify that OsmY protein secreted during dehydration contributes to desiccation tolerance in Salmonella by facilitating dehydration- mediated biofilm formation. Expression of OsmY also enhances swarming motility, apparently through its surfactant activity. The BON1 domain is required for full OsmY activity, demonstrating a potential intervention to reduce pathogen survival in food processing. Expression and fitness screens have begun to elucidate the processes of desiccation, with the potential to uncover additional specific targets for efforts to mitigate pathogen survival in desiccation.
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