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Pregled bibliografske jedinice broj: 147379

Genetic changes introduced by illegitimate integration of single-stranded DNA in Saccharomyces cerevisiae


Gjuračić, Krešimir; Zgaga, Zoran
Genetic changes introduced by illegitimate integration of single-stranded DNA in Saccharomyces cerevisiae // Yeast 11, Special Conference Issue / Rodrigues-Pousada, C ; Spencer-Martins, I ; Moradas-Ferreira, P (ur.).
Lisabon: Willey & Sons, 1995. str. 03-37A (pozvano predavanje, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Genetic changes introduced by illegitimate integration of single-stranded DNA in Saccharomyces cerevisiae

Autori
Gjuračić, Krešimir ; Zgaga, Zoran

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

Izvornik
Yeast 11, Special Conference Issue / Rodrigues-Pousada, C ; Spencer-Martins, I ; Moradas-Ferreira, P - Lisabon : Willey & Sons, 1995, 03-37A

Skup
17th International Conference on Yeast Genetics and Molecular Biology

Mjesto i datum
Lisabon, Portugal, 10-16.06.1995

Vrsta sudjelovanja
Pozvano predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
yeast; single-stranded DNA; illegitimate recombination

Sažetak
Integration of the exogenous DNA into the yeast genome is achieved by homologous recombination ; in the absence of homology between plasmid DNA and yeast chromosome only rare integration events can be observed. We have found that the efficiency of such illegitimate integration can be enhanced up to 100 fold if single-stranded circular (ssc) or linearized (ssl) plasmids are used for transformation. Transformants were analyzed by Southern blotting of their genomic DNA that was either cut with different restriction enzymes or resolved in individual chromosomes by pulse-field gel electrophoresis. Our results indicate that some chromosomes are preferred targets for illegitimate integrations, but the presence of the vector sequence was also detected in non-chromosomal DNA. Ethidium bromide stained gels revealed chromosomal size polymorphism among transformants which could not be explained only by multiple plasmid integrations. Transformation with ss plasmid linearized in the region with homology in the yeast genome also resulted in illegitimate integrations. However, several observations indicate that the ssl DNA can also be involved in homologous interactions with the yeast chromosome. We present a model for illegitimate integration of ss DNA based on these observations.

Izvorni jezik
Engleski



POVEZANOST RADA


Profili:

Avatar Url Krešimir Gjuračić (autor)

Avatar Url Zoran Zgaga (autor)


Citiraj ovu publikaciju:

Gjuračić, Krešimir; Zgaga, Zoran
Genetic changes introduced by illegitimate integration of single-stranded DNA in Saccharomyces cerevisiae // Yeast 11, Special Conference Issue / Rodrigues-Pousada, C ; Spencer-Martins, I ; Moradas-Ferreira, P (ur.).
Lisabon: Willey & Sons, 1995. str. 03-37A (pozvano predavanje, međunarodna recenzija, sažetak, znanstveni)
Gjuračić, K. & Zgaga, Z. (1995) Genetic changes introduced by illegitimate integration of single-stranded DNA in Saccharomyces cerevisiae. U: Rodrigues-Pousada, C., Spencer-Martins, I. & Moradas-Ferreira, P. (ur.)Yeast 11, Special Conference Issue.
@article{article, author = {Gjura\v{c}i\'{c}, Kre\v{s}imir and Zgaga, Zoran}, year = {1995}, pages = {03-37A}, keywords = {yeast, single-stranded DNA, illegitimate recombination}, title = {Genetic changes introduced by illegitimate integration of single-stranded DNA in Saccharomyces cerevisiae}, keyword = {yeast, single-stranded DNA, illegitimate recombination}, publisher = {Willey and Sons}, publisherplace = {Lisabon, Portugal} }
@article{article, author = {Gjura\v{c}i\'{c}, Kre\v{s}imir and Zgaga, Zoran}, year = {1995}, pages = {03-37A}, keywords = {yeast, single-stranded DNA, illegitimate recombination}, title = {Genetic changes introduced by illegitimate integration of single-stranded DNA in Saccharomyces cerevisiae}, keyword = {yeast, single-stranded DNA, illegitimate recombination}, publisher = {Willey and Sons}, publisherplace = {Lisabon, Portugal} }




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