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Pregled bibliografske jedinice broj: 170605

Gene trap modification of Nol1 (nucleolar protein 1) – a tool for analysis of Nol1 expression and function


Mitrečić, Dinko; Ćurlin, Marija; Kostović-Knežević, Ljiljana; Gajović, Srećko
Gene trap modification of Nol1 (nucleolar protein 1) – a tool for analysis of Nol1 expression and function // BioScience2004
Glasgow, 2004. str. 119-119 (poster, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Gene trap modification of Nol1 (nucleolar protein 1) – a tool for analysis of Nol1 expression and function

Autori
Mitrečić, Dinko ; Ćurlin, Marija ; Kostović-Knežević, Ljiljana ; Gajović, Srećko

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
BioScience2004 / - Glasgow, 2004, 119-119

Skup
BioScience2004

Mjesto i datum
Glasgow, Velika Britanija, 18-22.07.2004

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Nol1; gene trap

Sažetak
Gene trap method enables investigation of gene expression and function using random mutagenesis and molecular tagging. In order to characterize genes involved in mouse embryo development, embryonic stem (ES) cells were modified by a nonhomologous DNA vector containing a splice acceptor and fused promoterless lacZ and neoR genes. ES cells were selected and corresponding mice were obtained. One of these was a mouse line in which strong intracellular expression of the modified gene was localized in the nucleolus. The gene was identified as nucleolar protein 1 (Nol1). Nol1 is suggested to be involved in ribosome biogenesis, and as a proliferation marker has a prognostic value in human cancer. The detailed molecular analysis of the insertion site revealed that tandem repeats of gene trap vector were located within 15th exon of Nol1 gene. Nol1 expression pattern was determined by whole mount histochemical staining by beta-galactosidase substrate X-gal. Expression was found all over the embryo, but not in every cell in all investigated developmental stages. In order to get insight in the function of Nol1, intercross of heterozygous mice carrying gene trap insertion was performed. Homozygous mice were not present among newborn animals, therefore we propose that Nol1 is required for normal nucleolar function during embryo development.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti



POVEZANOST RADA



Citiraj ovu publikaciju:

Mitrečić, Dinko; Ćurlin, Marija; Kostović-Knežević, Ljiljana; Gajović, Srećko
Gene trap modification of Nol1 (nucleolar protein 1) – a tool for analysis of Nol1 expression and function // BioScience2004
Glasgow, 2004. str. 119-119 (poster, međunarodna recenzija, sažetak, znanstveni)
Mitrečić, D., Ćurlin, M., Kostović-Knežević, L. & Gajović, S. (2004) Gene trap modification of Nol1 (nucleolar protein 1) – a tool for analysis of Nol1 expression and function. U: BioScience2004.
@article{article, author = {Mitre\v{c}i\'{c}, Dinko and \'{C}urlin, Marija and Kostovi\'{c}-Kne\v{z}evi\'{c}, Ljiljana and Gajovi\'{c}, Sre\'{c}ko}, year = {2004}, pages = {119-119}, keywords = {Nol1, gene trap}, title = {Gene trap modification of Nol1 (nucleolar protein 1) and \#8211; a tool for analysis of Nol1 expression and function}, keyword = {Nol1, gene trap}, publisherplace = {Glasgow, Velika Britanija} }
@article{article, author = {Mitre\v{c}i\'{c}, Dinko and \'{C}urlin, Marija and Kostovi\'{c}-Kne\v{z}evi\'{c}, Ljiljana and Gajovi\'{c}, Sre\'{c}ko}, year = {2004}, pages = {119-119}, keywords = {Nol1, gene trap}, title = {Gene trap modification of Nol1 (nucleolar protein 1) and \#8211; a tool for analysis of Nol1 expression and function}, keyword = {Nol1, gene trap}, publisherplace = {Glasgow, Velika Britanija} }




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