Autor: Żylińska, Anna - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Taxonomic revision of the Paradoxididae Hawle and Corda, 1847 from the Miaolingian (Cambrian) of the Holy Cross Mountains, Poland: a morphometric approach to simply deformed trilobites
Autorzy:: Nowicki, Jakub
Żylińska, Anna
Powiązania:: https://bibliotekanauki.pl/articles/2024019.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: paradoxididae
miaolingian
Cambrian
Holy Cross Mountains
geometric morphometrics
simple deformation
Słowiec Hill
trylobity
miaoling
kambr
góry Świętokrzyskie
morfometria geometryczna
Słowiec
Opis:: The taxonomy of simply deformed paradoxidids from the Miaolingian (Cambrian) of Słowiec Hill, Holy Cross Mountains, Poland, is revised based on morphometric analysis. The material represents two species: Acadoparadoxides slowiecensis (Czarnocki in Orłowski, 1965) and Hydrocephalus? polonicus (Czarnocki in Orłowski, 1965). A new assemblage zone based on the combined although not precisely known ranges of these two taxa is suggested replacing the previous Paradoxides polonicus Zone of Orłowski (1975, 1988, 1992a). The Acadoparadoxides slowiecensis–Hydrocephalus? polonicus Assemblage Zone corresponds to the middle and upper part of the Wuliuan Stage (lower Miaolingian).
Źródło:: Acta Geologica Polonica; 2021, 71, 4; 371--391
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Terreneuvian acritarch assemblages of the Holy Cross Mountains : a new approach
Autorzy:: Szczepanik, Zbigniew
Żylińska, Anna
Powiązania:: https://bibliotekanauki.pl/articles/2059610.pdf
Data publikacji:: 2021
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Cambrian
Terreneuvian
Holy Cross Mountains
Kotuszów
Acritarcha
biostratigraphy
Opis:: Rock samples from four boreholes and three exposures located in the southern peripheries of the Holy Cross Mountains in Poland, from strata representing the lower Cambrian Czarna Shale Formation have been studied palynologically. A relatively numerous and well-preserved lowermost Cambrian microfloral assemblage corresponds to coeval associations known from different palaeocontinents. Our new data enables reinterpretation of the biostratigraphy of the Czarna Formation, a thick rock unit basically devoid of macrofossils. The rocks analysed represent the Terreneuvian and comparison with other lower Cambrian successions indicates the middle and upper part of this oldest Cambrian series. The discovery of Variosphaeridium gen. nov. supplements information about the diversity of lowermost Cambrian microfloral assemblages. The Fimbriaglomerella membranacea–Globosphaeridium cerinum Assemblage Zone is introduced; it has a transitional character between the Asteridium tornatum–Comasphaeridium velvetum and Skiagia ornata–Fimbriaglomerella membranacea assemblage zones distinguished by Moczydłowska (1991) and identified on most Cambrian palaeocontinents.
Źródło:: Geological Quarterly; 2021, 65, 2; 65: 29
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Functional characteristic of PC12 cells with reduced microsomal glutathione transferase 1
Autorzy:: Sobczak, Monika
Boczek, Tomasz
Ferenc, Bozena
Taha, Joanna
Kozaczuk, Anna
Wiktorska, Magdalena
Sacewicz-Hofman, Izabela
Niewiarowska, Jolanta
Zylinska, Ludmila
Powiązania:: https://bibliotekanauki.pl/articles/1042731.pdf
Data publikacji:: 2010
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: necrosis
pc12 cells
signaling pathways
microsomal glutathione transferase 1
pseudoneuronal phenotype
metastatic potential
Opis:: Microsomal glutathione transferase 1 (MGST1) possesses glutathione transferase and peroxidase activities and is active in biotransformation of xenobiotics and in defense against oxidative stress. To assess MGST1 role in the development and functioning of PC12 cells, we constructed a cell line with reduced MGST1 (PC12_M). Real-time PCR and immunoblot assays showed MGST1 expression lowered to 60 % and immunocytochemical analyses demonstrated an altered concentration and distribution of the enzyme. PC12_M cells revealed a larger tendency to grow in clusters, weaker adhesion, irregular shape of bodies, short neurite outgrowth and higher percentage of necrotic cells (34 %). The total GSTs activity determined with non-specific substrate CDNB (1-chloro-2,4-dinitrobenzene) decreased by 15-20 %, whereas that with DCNB (2,4-dichloro-1-nitrobenzene), a substrate more specific for cytosolic GSTs, was similar to the one in control cells. This suggests that reduction of MGST1 cannot be compensated by other glutathione transferases. In PC12_M cells the total glutathione content was higher by 15-20 %, whereas the GSSG/GSH ratio was lower than in control cells. Moreover, the laminin-dependent migration rate was much faster in control cells than in PC12_M, suggesting some alterations in the metastatic potential of the line with suppressed MGST1. The amount of MAP kinases (p38, JNK, ERK1/2) was elevated in PC12_M cells but their phosphorylation level declined. Microarray analysis showed changed expression of several genes, which may be linked with differentiation and necrosis of PC12_M cells. Our data suggest that MGST1 could be an important regulator of PC12 cells development and might have significant effects on cell growth and proliferation, probably through altered expression of genes with different biological function.
Źródło:: Acta Biochimica Polonica; 2010, 57, 4; 589-596
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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