Autor: Kurlandzka, Anna - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Additional copies of the NOG2 and IST2 genes suppress the deficiency of cohesin Irr1p/Scc3p in Saccharomyces cerevisiae.
Autorzy:: Białkowska, Agnieszka
Kurlandzka, Anna
Powiązania:: https://bibliotekanauki.pl/articles/1043770.pdf
Data publikacji:: 2002
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: 60S ribosomal subunit
sister chromatid cohesion
salt tolerance
Opis:: The protein encoded by the IRR1/SCC3 gene is an element of the cohesin complex of Saccharomyces cerevisiae, responsible for establishing and maintaining sister chromatid cohesion during mitotic cell division. We noticed previously that lowering the level of expression of IRR1/SCC3 affects colony formation on solid support. Here we describe two dosage suppressors (IST2, NOG2) overcoming the inability to form colonies of an Irr1p-deficient strain. Ist2 is probably involved in osmotolerance, Nog2p is a putative GTPase required for 60S ribosomal subunit maturation, but may also participate in mRNA splicing.
Źródło:: Acta Biochimica Polonica; 2002, 49, 2; 421-425
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: YOR129c, a new element interacting with Cnm67p, a component of the spindle pole body of Saccharomyces cerevisiae.
Autorzy:: Wysocka, Monika
Białkowska, Agnieszka
Miciałkiewicz, Arkadiusz
Kurlandzka, Anna
Powiązania:: https://bibliotekanauki.pl/articles/1043469.pdf
Data publikacji:: 2003
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: hygromycin B
spindle pole body
Cnm67
lithium tolerance
yeast
Opis:: The Saccharomyces cerevisiae spindle pole body (SPB) consists of numerous proteins forming the outer, inner and central plaques. The protein Cnm67 is an important component of the outer plaque. The C-terminus of this protein contains a determinant important for its SPB localization. We identified a protein encoded by YOR129c which interacts with this C-terminus in the two-hybrid system. YOR129c and CNM67 exhibit weak genetic interaction. The double deletion strain yor129cΔ cnm67Δ exhibits moderately increased resistance to 0.1 M LiCl and hygromycin B compared with the cnm67Δ single mutant. We propose that the YOR129c protein is an accessory factor associated with the cytoplasmic face of SPB and plays a role in cation homeostasis and/or multidrug resistance.
Źródło:: Acta Biochimica Polonica; 2003, 50, 3; 883-890
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: A compound C-terminal nuclear localization signal of human SA2 stromalin
Autorzy:: Tarnowski, Leszek
Milewski, Michal
Fronk, Jan
Kurlandzka, Anna
Powiązania:: https://bibliotekanauki.pl/articles/1039094.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: bipartite NLS
nuclear import
SA2 stromalin
Opis:: Stromalins are evolutionarily conserved multifunctional proteins with the best known function in sister chromatid cohesion. Human SA2 stromalin, likely involved in the establishment of cohesion, contains numerous potential nuclear localization (NLS) and nuclear export signals (NES). Previously we have found that the C-terminus of SA2 contains NLS(s) functional in human cells. However, the identity of this signal remained unclear since three NLS-like sequences are present in that region. Here we analyzed the functionality of these putative signals by expressing GFP-tagged C-terminal part of SA2 or its fragments in a human cell line and in the yeast Saccharomyces cerevisiae. We found that in human cells the nuclear import is dependent on a unique compound di- or tripartite signal containing unusually long linkers between clusters of basic amino acids. Upon expression of the same SA2 fragment in yeast this signal is also functional and can be easily studied in more detail.
Źródło:: Acta Biochimica Polonica; 2015, 62, 2; 215-219
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Cohesin Irr1/Scc3 is likely to influence transcription in Saccharomyces cerevisiae via interaction with Mediator complex
Autorzy:: Cena, Agata
Skoneczny, Marek
Chełstowska, Anna
Kowalec, Piotr
Natorff, Renata
Kurlandzka, Anna
Powiązania:: https://bibliotekanauki.pl/articles/1039583.pdf
Data publikacji:: 2013
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: sister chromatid cohesion
Saccharomyces cerevisiae
transcription
Opis:: The evolutionarily conserved proteins forming sister chromatid cohesion complex are also involved in the regulation of gene transcription. The participation of SA2p (mammalian ortholog of yeast Irr1p, associated with the core of the complex) in the regulation of transcription is already described. Here we analyzed microarray profiles of gene expression of a Saccharomyces cerevisiae irr1-1/IRR1 heterozygous diploid strain. We report that expression of 33 genes is affected by the presence of the mutated Irr1-1p and identify those genes. This supports the suggested role of Irr1p in the regulation of transcription. We also indicate that Irr1p may interact with elements of transcriptional coactivator Mediator.
Źródło:: Acta Biochimica Polonica; 2013, 60, 2; 233-238
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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