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Sucrose-responsive osmoregulation of plant cell size by a long non-coding RNA

Molecular Plant 2024年第11期17卷 1719-1732页

作者： Jakub Hajný Tereza Trávnícková martina pundová Michelle Roenspies R.M.Imtiaz Karim Rony Sebastian Sacharowski Michal Krzyszton David Zalabák Christian S.Hardtke Ales Pecinka Holger Puchta Szymon Swiezewski Jaimie M.van Norman Ondrej Novák Laboratory of Growth Regulators Czech Academy of SciencesInstitute of Experimental Botany and Palacky UniversitySlechtitelu 2777900 OlomoucCzech Republic Department of Biophysics Faculty of SciencePalacky UniversitySlechtitelu 2777900 OlomoucCzech Republic Joseph Gottlieb Kölreuter Institute for Plant Sciences(JKIP)–Molecular Biology Karlsruhe Institute of Technology76131 KarlsruheGermany Department of Molecular Celland Systems BiologyUniversity of CaliforniaRiversideCA 92521USA Laboratory of Seeds Molecular Biology Institute of Biochemistry and Biophysics Polish Academy of SciencesPawinskiego 5a02-106 WarsawPoland Department of Plant Molecular Biology University of Lausanne1015 LausanneSwitzerland Center of Plant Structural and Functional Genomics Institute of Experimental BotanyCzech Academy of SciencesSlechtitelu 3177900 OlomoucCzech Republic Department of Molecular Celland Developmental BiologyUniversity of CaliforniaLos AngelesLos AngelesCA 90095USA

In plants,sugars are the key source of energy and metabolic building *** systemic transport of sugars is essential for plant growth and *** evolved intricate molecular networks to effectively distribute *** dynamic distribution of these osmotically active compounds is a handy tool for regulating cell turgor pressure,an instructive force in developmental *** this study,we have investigated the molecular mechanism behind the dual role of the receptor-like kinase *** functionally characterized a long non-coding RNA,CARMA,as a negative regulator of *** CARMA specifically fine-tunes CANAR expression in the phloem,the route of sugar *** genetic,molecular,microscopy,and biophysical data suggest that the CARMA–CANAR module controls the shoot-to-root phloem transport of sugars,allows cells to flexibly adapt to the external osmolality by appropriate water uptake,and thus adjust the size of vascular cell types during organ growth and *** study identifies a nexus of plant vascular tissue formation with cell internal pressure monitoring,revealing a novel functional aspect of long non-coding RNAs in developmental biology.

关键词： lncRNA auxin turgor sugar transport cell size

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Monitoring of Heart Ischemia in Blood Serum

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Spectral Analysis Review 2016年第2期4卷 11-22页

作者： Vladimíra Tomečková Vladimír Komanický Mohammad Kakoush Kristína Krajčíková Gabriela Glinská Monika Široká Lýdia pundová Tomáš Samuely Dominika Hložná Dmytro Lotnyk Department of Medical and Clinical Biochemistry Faculty of Medicine Pavol Jozef Safárik University in Kosice Slovak Republic Institute of Physics Faculty of Science Pavol Jozef Safárik University in Kosice Slovak Republic 1st Department of Internal Medicine Faculty of Medicine Pavol Jozef Safárik University in Kosice Slovak Republic

Our aim was to study the selected cases of the patients with ischemic heart disease and to analyze the structure of blood serum of patients in comparison with control serum of healthy subjects by methods: synchronous fluorescence fingerprint and atomic force microscopy that are still not used in clinical practice. Our results of fluorescence analysis showed that blood serum of all patients with ischemic heart disease decreased intensity of fluorescence in comparison with control blood serum. Endogenous fluorescence of synchronous fluorescence fingerprint of blood serum of patients with unstable angina pectoris state after non ST elevation myocardial infarction;angina pectoris and arterial hypertension 3 was similar, but atomic force microscopy revealed differences in the structure of blood serum of patients with the angina pectoris. Blood serum of patients with angina pectoris exhibited disappearance of fluorescence peak with maximum fluorescence and showed lower fluorescence intensity than control blood serum and blood serum of patients with arterial hypertension 2. Profiles of synchronous fluorescence fingerprint of blood serum of patients with arterial hypertension stage 2 showed formation of the new fluorescent peak with maximum fluorescence, similar shape of synchronous fluorescence fingerprint and higher fluorescence intensity than blood serum of healthy subjects. Blood serum sensitively revealed changes in the body by using untraditional novel techniques which enable the analysis of the mixture of blood serum and might be a new possibility in study of heart ischemia diseases.

关键词： Blood Serum Fluorescence Analysis Atomic Force Microscopy Ischemic Heart Disease

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