Wyniki wyszukiwania

1

Biochemical characteristics of the chromatin-remodeling enzyme DDM1

100%

Brzeski J.

Polish Journal of Natural Sciences. Supplement

|

2003

|

tom 01

2

Chromosome arrangement in meiotic and mitotic cells of the ring-forming varieties of Rhoeo spathacea (Swartz) Stearn.

88%

Golczyk H., Hasterok R., Joachimiak A.

Acta Biologica Cracoviensia. Series Botanica. Supplement

|

2005

|

tom 47

|

nr 1

3

Structural domains of plant nuclear DNA as a constitutive component of the topoisomerase II-DNA complex

88%

Solovyan V. T., Andreyev I. O.

Acta Biochimica Polonica

|

1995

|

tom 42

|

nr 2

The treatment of agarose embedded plant nuclei by strong protein dénaturants was demonstrated to result in discrete self-fragmentation of intact nuclear DNA. The set of resultant DNA cleavage products involves two main types of DNA fragments sized about 50-100 kb and 300-500 kb, being of the same type in various eukaryotic representatives. The pattern of ordered DNA fragmentation has been shown to be similar both in intact nuclei and in histone-depleted ones thus suggesting that the observed DNA fragments represent preexisting DNA structural domains, corresponding to the higher levels of chromatin folding. The topoisomerase II-speeific poison teniposide (VM-26) has been shown to increase the ordered DNA cleavage while the conditions stimulating the topoisomerase II-mediated reverse reaction lead to the reassociation of the cleaved DNA domains. The data presented suggest that the nuclear DNA structural domains are involved in functioning of the topoisomerase II/DNA complex, the main property of which is its ability to mediate the cleavage/ /reassociation reactions.

4

Distribution of nonhistone proteins and glycoproteins in chromatin from larynx cancer

88%

Stepulak A., Stryjecka-Zimmer M., Sanecka-Obacz M.

Acta Biochimica Polonica

|

1994

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tom 41

|

nr 2

5

Histone H1 in modulation of chromatin transcriptional activity

88%

Jerzmanowski A., Cole R. D.

Acta Biochimica Polonica

|

1993

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tom 40

|

nr 1

6

Sex chromatin and Y chromosomes in dioecious species, Rumex acetosa L.

75%

Mosiolek M., Pedrosa-Harand A., Schweizer D., Joachimiak A. J.

Acta Biologica Cracoviensia. Series Botanica. Supplement

|

2005

|

tom 47

|

nr 1

7

Sequences flanking rat hsp70.1 gene contain motifs specific for matrix attached regions and form complexes with nuclear matrix proteins in vitro

75%

Widlak P., Rogolinski J., Rzeszowska-Wolny J.

Cellular and Molecular Biology Letters

|

1997

|

tom 02

|

nr 2

8

Changes in ultrastructure of cytoplasm and nucleus during spermiogenesis in Chara vulgaris

75%

Kwiatkowska M.

Folia Histochemica et Cytobiologica

|

1996

|

tom 34

|

nr 1

9

High mobility group proteins: components that modulate insect chromatin

75%

Wisniewski J. R.

Zoologica Poloniae

|

1998

|

tom 43

|

nr 1-4

10

Functions of the chicken lysosyme 5' MAR and MAR binding proteins

75%

Stratling W. H., Weitzel J. M., Buhrmester H., Phi-Van L.

Cellular and Molecular Biology Letters

|

1997

|

tom 02

|

nr 2

11

Caspase-mediated cleavage of the chromatin-binding domain of lamina-associated polypeptide LAP2alpha

75%

Gotzmann J., Vlcek S., Foisner R.

Cellular and Molecular Biology Letters

|

2000

|

tom 05

|

nr 2

12

MAR-SAR elements flank the rat hst70 gene transcription unit

75%

Widlak W., Widlak P.

Cellular and Molecular Biology Letters

|

2004

|

tom 09

|

nr 1

The rat hst70 gene is specifically expressed in spermatocytes and spermatids. This tissue-specific expression of the gene is primarily mediated through cis-acting elements located within the 0.4 kb segment upstream of the coding region, including two transcription initiation sites. Here, we study the 5’ and 3’ distal elements flanking the hst70 gene and find that they possess structural motifs characteristic of MAR/SAR elements, and exhibit enhanced affinities for nuclear matrix binding in vitro. Such elements bind efficiently to matrices from either the testis or the liver, i.e. tissues where the gene is either fully active or repressed, although one subfragment in the 5’ region was identified as exhibiting testis-specific interactions. Surprisingly, the activity of the CAT reporter gene was repressed in testis-transient transfection assays when the hst70 promoter sequences were extended into the 5’ MAR/SAR.

13

The pScJNK1 repeated sequences identified on an extra heterochromatin band of chromosome 2R of Secale vavilovii Grossh lines

75%

Rogalska S. M., Achrem M., Strozycki P.

Biological Bulletin of Poznań

|

2001

|

tom 38

|

nr 1

14

Polyploidization of the suspensor in Triglochin maritimum L. [Juncaginaceae]

75%

Dabrowska D., Bohdanowicz J.

Acta Biologica Cracoviensia. Series Botanica et Zoologia. Supplement

|

1997

|

tom 39

|

nr 1

15

Nuclear receptors, their coactivators and modulation of transcription

75%

Manteuffel-Cymborowska M.

Acta Biochimica Polonica

|

1999

|

tom 46

|

nr 1

Nuclear receptors arc ligand-dependent transcription factors which can also be activated in the absence of their lipophilic ligands by signaling substances acting on cell membrane receptors. This ligand-independent activation indicates the importance of nuclear receptor phosphorylation for their function. Nuclear receptor- mediated transcription of target genes is further increased by interactions with recruited coactivators forming a novel family of nuclear proteins. CBP/p300, a coactivator of different classes of transcription factors, including the tumor suppressor protein p53, plays a special role acting as a bridging protein between inducible transcription factors and the basal transcription apparatus, and as an integrator of diverse signaling pathways. Coactivators of nuclear receptors and associated proteins forming a multicomponent complex have an intrinsic histone acetylase activity in contrast to nuclear receptor and heterodimer Mad-Max corepressors, which recruit histone deacetylase. Similarly the Rb protein interacts with histone deacetylase to repress transcription of cell cycle regulatory genes. Targeted histone acetylation/dca- cetylation results in remodeling of chromatin structure and correlates with activation/repression of transcription. Recent data point to the important role of coactivator proteins associated with inducible transcription factors in transcription regulation, and in the integration of multiple signal transduction pathways within the nucleus.

16

The nuclear lamina: new insights from worms and flies

75%

Gruenbaum Y.

Cellular and Molecular Biology Letters

|

2000

|

tom 05

|

nr 2

17

Genomic imprinting in plant sexual development

63%

Bednarska E., Niedojadlo K., Kozlowska M.

Acta Biologica Cracoviensia. Series Botanica. Supplement

|

2014

|

tom 56

|

nr 1

18

Genome modifications in plant development

63%

Maluszynska J.

Acta Biologica Cracoviensia. Series Botanica. Supplement

|

2008

|

tom 50

|

nr 1

19

Regulation of lncRNA expression

63%

Wu Z., Liu X., Liu L., Deng H., Zhang J., Xu Q., Cen B., Ji A.

Cellular and Molecular Biology Letters

|

2014

|

tom 19

|

nr 4

Long non-coding RNAs (lncRNAs) are series of transcripts with important biological functions. Various diseases have been associated with aberrant expression of lncRNAs and the related dysregulation of mRNAs. In this review, we highlight the mechanisms of dynamic lncRNA expression. The chromatin state contributes to the low and specific expression of lncRNAs. The transcription of non-coding RNA genes is regulated by many core transcription factors applied to protein-coding genes. However, specific DNA sequences may allow their unsynchronized transcription with their location-associated mRNAs. Additionally, there are multiple mechanisms involved in the post-transcriptional regulation of lncRNAs. Among these, microRNAs might have indispensible regulatory effects on lncRNAs, based on recent discoveries.

20

Post-translational modifications, subcellular relocation and release in apoptotic microparticles: apoptosis turns nuclear proteins into autoantigens

63%

Dieker J., Muller S.

Folia Histochemica et Cytobiologica

|

2009

|

tom 47

|

nr 3

Ograniczanie wyników

Biochemical characteristics of the chromatin-remodeling enzyme DDM1

Chromosome arrangement in meiotic and mitotic cells of the ring-forming varieties of Rhoeo spathacea (Swartz) Stearn.

Structural domains of plant nuclear DNA as a constitutive component of the topoisomerase II-DNA complex

Distribution of nonhistone proteins and glycoproteins in chromatin from larynx cancer

Histone H1 in modulation of chromatin transcriptional activity

Sex chromatin and Y chromosomes in dioecious species, Rumex acetosa L.

Sequences flanking rat hsp70.1 gene contain motifs specific for matrix attached regions and form complexes with nuclear matrix proteins in vitro