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27 results on '"Winnicki, Konrad"'

17. Irrigation-Induced Changes in Chemical Composition and Quality of Seeds of Yellow Lupine (Lupinus luteus L.)

Author

Polit, Justyna, primary, Ciereszko, Iwona, additional, Dubis, Alina, additional, Leśniewska, Joanna, additional, Basa, Anna, additional, Winnicki, Konrad, additional, Żabka, Aneta, additional, Audzei, Marharyta, additional, Sobiech, Łukasz, additional, Faligowska, Agnieszka, additional, Skrzypczak, Grzegorz, additional, and Maszewski, Janusz, additional

Published
2019
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23. Białka zapasowe roślin - główny surowiec odżywczy - droga od biosyntezy do wewnątrzkomórkowych struktur spichrzowych.

Author

Chmielnicka, Agnieszka, Żabka, Aneta, Winnicki, Konrad, and Polit, Justyna Teresa

Abstract

Copyright of Advances in Hygiene & Experimental Medicine / Postepy Higieny i Medycyny Doswiadczalnej is the property of Sciendo and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2017

26. Immunolocalization of dually phosphorylated MAPKs in dividing root meristem cells of Vicia faba, Pisum sativum, Lupinus luteus and Lycopersicon esculentum

Author

Konrad Winnicki, Karolina Matczak, Aneta Żabka, Janusz Maszewski, Joanna Bernasińska, Winnicki Konrad, Department of Cytophysiology, Faculty of Biology and Environmental Protection, University of Lodz, Żabka Aneta, Department of Cytophysiology, Faculty of Biology and Environmental Protection, University of Lodz, Bernasińska Joanna, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Matczak Karolina, Department of Thermobiology, Faculty of Biology and Environmental Protection, University of Lodz, Maszewski Janusz, Department of Cytophysiology, Faculty of Biology and Environmental Protection, University of Lodz, and winnicki@biol.uni.lodz.pl

Subjects
Meristem, Plant Science, Microtubules, Plant Roots, Lycopersicon, Pisum, Lupinus, food, Sativum, Solanum lycopersicum, Species Specificity, Phosphorylation, Mitogen-activated protein kinase (MAPK), TEY motif, Mitosis, Original Paper, biology, Mitotic spindle, fungi, Peas, food and beverages, General Medicine, biology.organism_classification, Phosphorylation cascade, Signaling, food.food, Vicia faba, Cell biology, Pyridazines, Lupinus luteus, Biochemistry, Pyrazoles, Mitogen-Activated Protein Kinases, Agronomy and Crop Science
Abstract

Key message In plants, phosphorylated MAPKs display constitutive nuclear localization; however, not all studied plant species show co-localization of activated MAPKs to mitotic microtubules. Abstract The mitogen-activated protein kinase (MAPK) signaling pathway is involved not only in the cellular response to biotic and abiotic stress but also in the regulation of cell cycle and plant development. The role of MAPKs in the formation of a mitotic spindle has been widely studied and the MAPK signaling pathway was found to be indispensable for the unperturbed course of cell division. Here we show cellular localization of activated MAPKs (dually phosphorylated at their TXY motifs) in both interphase and mitotic root meristem cells of Lupinus luteus, Pisum sativum, Vicia faba (Fabaceae) and Lycopersicon esculentum (Solanaceae). Nuclear localization of activated MAPKs has been found in all species. Co-localization of these kinases to mitotic microtubules was most evident in L. esculentum, while only about 50 % of mitotic cells in the root meristems of P. sativum and V. faba displayed activated MAPKs localized to microtubules during mitosis. Unexpectedly, no evident immunofluorescence signals at spindle microtubules and phragmoplast were noted in L. luteus. Considering immunocytochemical analyses and studies on the impact of FR180204 (an inhibitor of animal ERK1/2) on mitotic cells, we hypothesize that MAPKs may not play prominent role in the regulation of microtubule dynamics in all plant species. Electronic supplementary material The online version of this article (doi:10.1007/s00299-015-1752-6) contains supplementary material, which is available to authorized users.

Published
2015

27. [Second code, or what determines actively transcribed regions and replication origins].

Author

Winnicki K

Subjects
DNA Methylation, Gene Expression, Histones, Humans, Epigenesis, Genetic, Replication Origin
Abstract

Although each cell of a complex organism is governed by the same genome, cells which form different tissues vary in epigenetic codes that are responsible for various gene expression. These codes, through their influence on chromatin structure, determine actively transcribed regions and have indirect impact on replication timing. Cytosine methylation and histone modifications, for example the deacetylation and methylation of Lys9 in histone H3, play important roles in forming and transferring epigenetic codes to the next cell generation. The correct copying of such modifications is important for embryonic development, histogenesis, and future functions of the whole organism, and any disturbance can cause abnormal development or disease, such as cancer.

Published
2009

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