2014
Coilin is rapidly recruited to UVA-induced DNA lesions and gamma-radiation affects localized movement of Cajal bodies
BÁRTOVÁ, Eva, Veronika FOLTÁNKOVÁ, Soňa LEGARTOVÁ, Petra SEHNALOVÁ, Dmitry SOROKIN et. al.Základní údaje
Originální název
Coilin is rapidly recruited to UVA-induced DNA lesions and gamma-radiation affects localized movement of Cajal bodies
Autoři
BÁRTOVÁ, Eva (203 Česká republika), Veronika FOLTÁNKOVÁ (203 Česká republika), Soňa LEGARTOVÁ (703 Slovensko), Petra SEHNALOVÁ (203 Česká republika), Dmitry SOROKIN (643 Rusko, garant, domácí), Jana SUCHÁNKOVÁ (203 Česká republika) a Stanislav KOZUBEK (203 Česká republika)
Vydání
Nucleus, Landes Bioscience, 2014, 1949-1034
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
Genetika a molekulární biologie
Stát vydavatele
Spojené státy
Utajení
není předmětem státního či obchodního tajemství
Impakt faktor
Impact factor: 3.033
Kód RIV
RIV/00216224:14330/14:00073626
Organizační jednotka
Fakulta informatiky
UT WoS
000341641600009
Klíčová slova anglicky
DNA repair; chromatin; nucleus; nucleolus; Cajal bodies; coilin
Změněno: 27. 4. 2015 03:55, RNDr. Pavel Šmerk, Ph.D.
Anotace
V originále
Cajal bodies are important nuclear structures containing proteins that preferentially regulate RNA-related metabolism. We investigated the cell-type specific nuclear distribution of Cajal bodies and the level of coilin, a protein of Cajal bodies, in non-irradiated and irradiated human tumor cell lines and embryonic stem (ES) cells. Cajal bodies were localized in different nuclear compartments, including DAPI-poor regions, in the proximity of chromocenters, and adjacent to nucleoli. The number of Cajal bodies per nucleus was cell cycle-dependent, with higher numbers occurring during G2 phase. Human ES cells contained a high coilin level in the nucleoplasm, but coilin-positive Cajal bodies were also identified in nuclei of mouse and human ES cells. Coilin, but not SMN, recognized UVA-induced DNA lesions, which was cell cycle-independent. Treatment with gamma-radiation reduced the localized movement of Cajal bodies in many cell types and GFP-coilin fluorescence recovery after photobleaching was very fast in nucleoplasm in comparison with GFP-coilin recovery in DNA lesions. By contrast, nucleolus-localized coilin displayed very slow fluorescence recovery after photobleaching, which indicates very slow rates of protein diffusion, especially in mouse ES cell nucleoli.
Návaznosti
CZ.1.07/2.3.00/30.0030, interní kód MU |
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GBP302/12/G157, projekt VaV |
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