Search Results - "ZATSEPINA, Olga V"

Cytogenetic instability of chromosomal nucleolar organizer regions (NORs) in cloned mouse L929 fibroblasts by Zatsepina, Olga V.

“…Ribosomal DNA (rDNA) gene codes for 18S, 5.8S, and 28S rRNA form tandem repetitive clusters, which occupy distinct chromosomal loci called nucleolar organizer…”
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Nucleolus-like bodies of fully-grown mouse oocytes contain key nucleolar proteins but are impoverished for rRNA by Shishova, Kseniya V., Lavrentyeva, Elena A., Dobrucki, Jurek W., Zatsepina, Olga V.

“…It is well known that fully-grown mammalian oocytes, rather than typical nucleoli, contain prominent but structurally homogenous bodies called “nucleolus-like…”
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The completing of the second meiotic division by MII mouse oocytes correlates with the positioning of F-actin and mitochondria in the ooplasm by Ryabukha, Yana A, Zatsepina, Olga V, Rubtsov, Yury P

“…Actin filaments play an essential role in the process of oocyte maturation and completion of meiosis. However, whether the localization of F-actin in the…”
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Implication of Nucleolar Protein SURF6 in Ribosome Biogenesis and Preimplantation Mouse Development by Romanova, Ludmila G, Anger, Martin, Zatsepina, Olga V, Schultz, Richard M

“…The step-wise assembly of a functional nucleolus, which occurs over the first few cell cycles during preimplantation development, is poorly understood. In this…”
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Data on morphology, large-scale chromatin configuration and the occurrence of proteins and rRNA in nucleolus-like bodies of fully-grown mouse oocytes in different fixatives by Shishova, Kseniya V., Khodarovich, Yuriy M., Lavrentyeva, Elena A., Zatsepina, Olga V.

“…Here we provide data on accessibility of nucleolus-like bodies (NLBs) of fully-grown (GV) mouse oocytes to fluorescence in situ hybridization (FISH) probes and…”
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High-resolution microscopy of active ribosomal genes and key members of the rRNA processing machinery inside nucleolus-like bodies of fully-grown mouse oocytes by Shishova, Kseniya V., Khodarovich, Yuriy M., Lavrentyeva, Elena A., Zatsepina, Olga V.

“…Nucleolus-like bodies (NLBs) of fully-grown (germinal vesicle, GV) mammalian oocytes are traditionally considered as morphologically distinct entities, which,…”
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Implication of Nucleolar Protein SURF6 in Ribosome Biogenesis and Preimplantation Mouse Development1 by Romanova, Ludmila G, Anger, Martin, Zatsepina, Olga V, Schultz, Richard M

“…The step-wise assembly of a functional nucleolus, which occurs over the first few cell cycles during preimplantation development, is poorly understood. In this…”
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An Evolutionarily Conserved NPC Subcomplex, Which Redistributes in Part to Kinetochores in Mammalian Cells by Belgareh, Naïma, Rabut, Gwénaël, Baï, Siau Wei, van Overbeek, Megan, Beaudouin, Joël, Daigle, Nathalie, Zatsepina, Olga V., Pasteau, Fabien, Labas, Valérie, Fromont-Racine, Micheline, Ellenberg, Jan, Doye, Valérie

“…The nuclear pore complexes (NPCs) are evolutionarily conserved assemblies that allow traffic between the cytoplasm and the nucleus. In this study, we have…”
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Construction of the plasmid for expression of ETA-EGFP fusion protein under control of the cytomegalovirus promoter and its effects in HeLa cells by Glinka, Elena M., Andryushchenko, Alla S., Sapozhnikov, Alexander M., Zatsepina, Olga V.

“…Tumor-targeted vectors encoding toxic protein genes are promising tools for treating malignant tumors. We used the pEGFP-N1 vector to construct a novel plasmid…”
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Functional and Molecular Reorganization of the Nucleolar Apparatus in Maturing Mouse Oocytes by Zatsepina, Olga V., Bouniol-Baly, Christine, Amirand, Claudine, Debey, Pascale

“…In mammalian preovulatory oocytes, rRNA synthesis is down-regulated until egg fertilization and zygotic genome reactivation, but the underlying regulatory…”
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Development of novel mouse hybridomas producing monoclonal antibodies specific to human and mouse nucleolar protein SURF-6 by Polzikov, Mikhail A, Kordyukova, Maria Yu, Zavalishina, Larisa E, Magoulas, Charalambos, Zatsepina, Olga V

“…SURF-6 is an evolutionarily conserved nucleolar protein that is important for cell viability; however, its function in mammals still remains uncertain. The aim…”
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The nucleolar phosphoprotein B23 redistributes in part to the spindle poles during mitosis by Zatsepina, O V, Rousselet, A, Chan, P K, Olson, M O, Jordan, E G, Bornens, M

“…B23 is a major phosphoprotein in the interphasic nucleolus where it is involved in the assembly of pre-ribosomes. Using several cultured animal cells, we…”
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Isolation of the constitutive heterochromatin from mouse liver nuclei by Zatsepina, Olga V, Zharskaya, Oxana O, Prusov, Andrei N

“…A method for isolation of constitutive heterochromatin (chromocenters) from nuclei of mouse liver cells is described. This method is based on the higher…”
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Experimental induction of prenucleolar bodies (PNBs) in interphase cells: interphase PNBs show similar characteristics as those typically observed at telophase of mitosis in untreated cells by Zatsepina, O V, Dudnic, O A, Todorov, I T, Thiry, M, Spring, H, Trendelenburg, M F

“…Recently, it was shown that a short exposure of living mammalian cells to low ionic strength buffers (hypotonic shock) caused partial or almost complete…”
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Implication of nucleolar protein SURF6 in ribosome biogenesis and preimplantation mouse development by ROMANOVA, Ludmila G, ANGER, Martin, ZATSEPINA, Olga V, SCHULTZ, Richard M

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The RNA polymerase I-specific transcription initiation factor UBF is associated with transcriptionally active and inactive ribosomal genes by ZATSEPINA, O. V, VOIT, R, GRUMMT, I, SPRING, H, SEMENOV, M. V, TRENDELENBURG, M. F

“…We have characterized an anti-NOR (nucleolar organizer region) serum (P419) from a patient with rheumatoid arthritis and show that it contains antibodies…”
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The SURF-6 protein is a component of the nucleolar matrix and has a high binding capacity for nucleic acids in vitro by Magoulas, Charalambos, Zatsepina, Olga V., Jordan, Peter W.H., Jordan, E. Gwyn, Fried, Mike

“…The recently identified novel protein SURF-6 is shown to be a component of the nucleolar matrix. Immunofluorescence analysis demonstrated that SURF-6 was…”
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Cell cycle-dependent translocations of a major nucleolar phosphoprotein, B23, and some characteristics of its variants by Zatsepina, O V, Todorov, I T, Philipova, R N, Krachmarov, C P, Trendelenburg, M F, Jordan, E G

“…A major nucleolar phosphoprotein, B23, is thought to play several apparently unrelated roles and appears to be associated with other cell compartments besides…”
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Reassembly of Functional Nucleoli Followingin SituUnraveling by Low-Ionic-Strength Treatment of Cultured Mammalian Cells by Zatsepina, Olga V., Dudnic, Oksana A., Chentsov, Yuri S., Thiry, Marc, Spring, Herbert, Trendelenburg, Michael F.

“…In order to determine the most persistent components of the nucleolus that might serve as “core” nucleolar elements, we studied the reactivity of nucleoli in…”
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Reassembly of functional nucleoli following in situ unraveling by low-ionic-strength treatment of cultured mammalian cells by Zatsepina, O V, Dudnic, O A, Chentsov, Y S, Thiry, M, Spring, H, Trendelenburg, M F

“…In order to determine the most persistent components of the nucleolus that might serve as "core" nucleolar elements, we studied the reactivity of nucleoli in…”
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