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Showing 1 to 20 of 32 for “"VIF"”.

  1. The Dynamic Interplay Between Lentiviral Vif and Human APOBEC3 Proteins

    Wang, Jiayi2019

    … HIV-1 counteracts restriction with its Vif protein, which nucleates a ubiquitin ligase complex that directly binds A3 enzymes and targets them for proteasomal degradation. My thesis research aims at understanding the dynamic interplay between lentiviral Vif and human A3 enzymes, from the …

    umn Repository record

  2. Nt-VIF - ein proteinogener Inhibitor der Vakuolären Invertasen in Tabak

    Lauer, KatjaUniversität Heidelberg

    … sowie insbesondere der vakuoläre Inhibitor Nt VIF der Modellpflanze Nicotiana tabacum (Tabak) wurden im Rahmen dieser Arbeit molekularbiolo¬gisch und bio¬chemisch näher charakterisiert. Die partiellen Sequenzen von VIs aus Tabak (Nt VI) und Kartoffel (St VI) wurden ver¬vollständigt. Bei etwa …

    heid-diss Repository record

  3. Structural studies of HIV-1 Vif and its SOCS-box domain

    Lu, ZhishengKing's College London2013

    … cells. The viral infectivity factor (Vif) can induce a poly-ubiquitination degradation of APOBEC3G to counteract the immune response by forming an E3 ubiquitin complex composed of cellular proteins Elongin B (EloB), Elongin C (EloC), Cullin 5 and Ring-Box protein. In this project, we …

    kings Repository record

  4. Characterization Of Vpx, Vpr And Vif: Three Virion-Associated Accessory Proteins Encoded By Primate Immunodeficiency Viruses.

    Newman, Margaret Ann

    uab Repository record

  5. Lethal Hypermutation Induced by the Innate Cellular Restriction Factor APOBEC Destroys HIV-1 in Infected Humanized Mice

    Krisko, John Frank2011

    … however, they are neutralized by the HIV-1 Vif protein. In vitro, the absence of Vif allows the enzymatic activity of APOBEC3G and 3F to induce hypermutation of the HIV-1 genome. These observations make the Vif/APOBEC axis a tantalizing therapeutic target. The ability of APOBEC to restrict …

    utswmed Repository record

  6. Measurement of The Vascular Input Function In Mice For Dce-Mri

    Ragan, Dustin K2010

    … upon measurement of the vascular input function (VIF), which represents the contrast agent concentration time course in the blood plasma. This is difficult in small animal models due to artifacts associated with partial volume, inflow enhancement, and the limited temporal resolution achievable …

    uthsc Repository record

  7. Managing Weeds and Soilborne Pests with Fumigant and Non-Fumigant Alternatives to Methyl Bromide

    McAvoy, Theodore PorterVirginia Tech2012

    … pathogens of tomato. Virtually impermeable film (VIF) and totally impermeable film (TIF) were tested for fumigant retention and yellow nutsedge control in tomato. Grafting onto resistant rootstocks was tested for bacterial wilt and nematode management in tomato. In the absence of a soil fumigant, …

    vt Repository record

  8. Ektopische Expression von Nt-CIF und Nt-VIF in Kartoffelpflanzen : Posttranslationale Inhibition der wundinduzierten ZWI- und VI-Aktivitäten zur Aufklärung ihrer in vivo-Funktionen

    Pfister, MichelleUniversität Heidelberg

    … of ß-Fructosidase/ ZWI-Inhibitor) und Nt-VIF (Nicotiana tabacum Vacuolar Inhibitor of ß-Fructosidase/ VI-Inhibitor) eingesetzt. Die Expression der Inhibitorproteine bedingt die posttranslationale Inhibition der ZWI-Aktivität in den Nt-CIF-Transformanten, bzw. der VI-Aktivität in den …

    heid-diss Repository record

  9. APOBEC3 Transcriptional Regulation and HIV-1 Restriction in T Lymphocytes

    Anderson, Brett2017

    … cytosine deaminases. In the absence of the viral Vif protein, multiple APOBEC3 enzymes can package into virions budding from an infected cell. Following virus entry into a new target cell, the APOBEC3 enzymes catalyze the deamination of cytosines to uracils in viral reverse transcription …

    umn Repository record

  10. Diversity in APOBEC3 and CCR5 host genes and HIV-1 in a South African population

    Matume, Nontokozo D.2018

    … HIV, and the HIV viral infectivity factor (Vif) protein serves to antagonize the action of APOBEC3 proteins, promoting viral replication. The CCR5 co-receptor and the HIV Env V3 loop have also been documented as playing roles in HIV-1 disease progression. The interplay between host and viral …

    venda Repository record

  11. Finanças comportamentais: análise dos fatores do efeito manada em empresas listadas na [B]3- Brasil Bolsa Balcão

    Silva, Vanessa de MenêsesUniversidade Federal da Paraíba2017

    … In addition, the Variance Inflation Factor (VIF) and the tolerance value (1/VIF) were tested for multicollinearity; The Wooldridge autocorrelation; And those of White and Breusch Pagan heteroscedasticity. In general, the results found indicated a positive relationship between the herd …

    brazil-ufpb Repository record

  12. Restriction of Retrotransposition and Retroviral Infection by RNase L and APOBEC3G

    Zhang, AoCase Western Reserve University School of Graduate Studies2013

    … between RNase L and APOBEC3G during HIV-1 delta Vif infection was investigated in Chapter 3. I found both A3G and RNase L were packaged into HIV-1 delta Vif virions. Virions containing A3G in the absence of RNase L exhibited higher infectivity compared to virons containing both proteins, which …

    ohiolink Repository record

  13. Sustainable approaches to control Calonectria diseases in ornamental nursery

    CINQUERRUI, ALESSANDROUniversità degli studi di Catania2014

    … ridotte e utilizzando due film plastici (TIF e VIF) per la pacciamatura del suolo fumigato. I dati ottenuti hanno consentito di accertare che metham-sodio e dazomet applicati a dosi ulteriormente ridotte (fino a 5 volte inferiori) sono risultati efficaci nel ridurre la vitalità dei …

    catania Repository record

  14. Prevalencia y factores asociados al síndrome visual informático en estudiantes de un colegio de Neiva-2025.

    Medina Quintero, María Camila, Herreño Pinzón, Saro ArleyUniversidad del Rosario2025

    … el cálculo del factor de inflación de varianza (VIF, por sus siglas en ingles). Se consideraron indicativos de colinealidad problemática los valores de VIF superiores a 5. Resultados: la prevalencia del SVI fue del 58,9%. Las manifestaciones más frecuentes fueron: dolor de cabeza (68,3%), prurito …

    rosario Repository record

  15. The role of political and institutional factors in Central Asian trade integration : evidence from the gravity model

    Kizi, Dilbarova Malikakhon RahimjonUniversitas Islam Internasional Indonesia2025

    … test, along with a correlation matrix and VIF, were performed to evaluate the trustworthiness of the dataset alongside its validity. The findings include higher trade values due to increased GDP from the exporting country, as well as inflow of foreign direct investment, which are positive …

    uiii Repository record

  16. Robust Statistical Modeling In Functional Linear Regression

    Yan Zhang2025

    … using a robust group variable inflation factor (VIF) selection procedure. Our methodology is validated through rigorous simulation studies as well as its application to real-world data. To ensure the cohesiveness of this dissertation, Chapter 1 provides an introduction to the research background, …

    york Repository record

  17. Molecular Mechanisms and Host Factors Involved in HIV-1 Latency

    Madapuji Srinivasan, MrudhulaUniversité d'Ottawa / University of Ottawa2024

    … promoter, 2) into non-replicative pNL4 ∆env ∆vif viral expression vector, and 3) into a replicative pNL4-CXCR4 viral vector to study infection and induction by latency reversal agent (LRA) treatment to better understand the mechanism of latency and transcriptional induction. Viruses produced …

    ottawa-retro Repository record

  18. Digital Watermarking Based Image and Video Quality Evaluation

    Wang, ShaUniversité d'Ottawa / University of Ottawa2013

    … accuracy in terms of PSNR, wPSNR, JND, SSIM and VIF under JPEG compression, JPEG2000 compression, Gaussian low-pass filtering, Gaussian noise distortion, H.264 compression and packet loss related distortion.

    ottawa-retro Repository record

  19. INTERACTIONS BETWEEN THE GLYCOSYLATED GAG PROTEIN OF A MURINE LEUKEMIA VIRUS AND MURINE APOBEC3: NOVEL INSIGHTS INTO HOW A MURINE LEUKEMIA VIRUS COUNTERACTS A RESTRICTION FACTOR

    Kolokithas, Angelo

    … action of the APOBEC proteins. HIV encodes the Vif protein which binds to hA3G and facilitates its rapid degradation through the proteasome. The mechanism(s) by which exogenous MuLVs evade mA3 inhibitory activity is unknown.</p> <p>Exogenous MuLVs encode a glycosylated gag protein (gGag) …

    montana-tech Repository record

  20. INTERACTIONS BETWEEN THE GLYCOSYLATED GAG PROTEIN OF A MURINE LEUKEMIA VIRUS AND MURINE APOBEC3: NOVEL INSIGHTS INTO HOW A MURINE LEUKEMIA VIRUS COUNTERACTS A RESTRICTION FACTOR

    Kolokithas, Angelo

    … action of the APOBEC proteins. HIV encodes the Vif protein which binds to hA3G and facilitates its rapid degradation through the proteasome. The mechanism(s) by which exogenous MuLVs evade mA3 inhibitory activity is unknown.</p> <p>Exogenous MuLVs encode a glycosylated gag protein (gGag) …

    montana Repository record

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