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1996 | 43 | 2 |

Tytuł artykułu

New approaches to the mapping of chromosomal domains

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Although it is generally accepted that the chromosome is divided into elementary subunits/ the structural and functional domains/ the organisation of these structures at the molecuJar level is not well understood. In particular, the domain boundaries are not easily identifiable. Several possible candidates such as MARs/SARs, insulators, LCRs, palindromic sequences, or easily melting sequences have been found in the regions having properties one would except for boundaries. None of these elements, however, has been found in all of the constructs functioning as boundaries in tests in vivo. Recent work suggests that the common denominator might be the presence of GC-rich oligonucleotide streches and the formation of the chromatin hypersensitive sites. A model is discussed in which "unusual" structures, in particular the four-stranded DNA sequence elements containing unpaired bases, play the role of domain boundaries.

Wydawca

-

Rocznik

Tom

43

Numer

2

Opis fizyczny

p.289-292,fig.

Twórcy

autor
  • Institute J.Monod, 2 place Jusieu tour 43, 75251, Paris, France
autor
autor

Bibliografia

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  • 6. Little, R.D., Piatt, T.H.K. & Schildkraut, C.L. (1993) initiation and termination of DNA replication in human rRNA genes. Mol. Cell. Biol. 13,6600-6613.
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  • 9. Liu, J., Wu, T. & Lichten, M. (1995) The location and structure of double-strand breaks induced during yeast meiosis: Evidence for a covalently linked DNA-protein intermediate. EMBO J. 14, 4599—4608.
  • 10. Ohta, K., Shibata, T. & Nicolas, A. (1994) Changes in chromatin structure at recombi­nation initiation sites during yeast meiosis. EMBO J. 13,5754-5763.
  • 11. Filipski, J., Leblanc, J., Youdale, T., Sikorska, M. & Walker, P.R. (1990) Periodicity of DNA folding in higher order chromatin structures. EMBO ]. 9,1319-1327.
  • 12. Razin, S.V., Hancock, R., Iarovaya, O., Westergaard, O., Gromova, 1. & Georgiev, G.P. (1993) Structural-functional organization of chromosomal DNAdomains. Cold Spring Harbor Symp. Quant. Biol. 58,25-35.
  • 13. Gromova, I.I., Thompsen, B. & Razin, S.V. (1995) Loop-size spacing between CGCG clusters in long segments of human DNA. Proc. Natl. Acad. Sci. U.SA. 92,102-106.
  • 14. Iarovaia, O., Hancock, R., Lagarkova, M., Miassod, R. & Razin, S.V. (1996) Mapping of genomic DNA loop organization in a 500-kilobase region of Drosophila X chromosome using the topoisomerase II-mediated DNA loop excission protocol. Mol. Cell. Biol. 16,302-308.
  • 15. Filipski, J. & Bellis, M. (1993) Nuclease hypersensitive sites in yeast artificial chromosomes. Int. Congress of Genetics, Birmingham. Abst. p. 185.
  • 16. Filipski, J. Salinas, J. & Rodier, F. (1987) Two distinct compositional classes of vertebrate gene-bearing streches, their structures and possible evolutionary origin. DNA 6,109-118.
  • 17. Avril, N., Deschavanne, P., Bellis, M. & Filipski, J. (1995) Loop-size spacing between CGCG clusters in long segments of human DNA. Biochem. Biophys. Res. Commun. 213,147-153.
  • 18. Deschavanne, P. & Filipski, J. (1995) Correlation ofGC content with replication timing and repair mechanisms in wealdv expressed E. coli genes. Nucleic Acids Res. 23,1350-1353.
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  • 20. Borisova, O.F., Shcholkina, A.K., Timofeev, E.N. & Florentiev, V.L. (1992) Evidence for the tetraplex structure of the d(GT)n repetitive sequences in solution. FEBS Lett. 306,140-142.
  • 21. Fry, M. & Loeb, L.A. (1994) The fragile X syndrom d(CGG)n nucleotide repeats form a stable tetrahelical structures. Proc. Natl. Acad. Sci. U.S.A. 91,4950-4954.
  • 22. Murchie, A.I.H. & Lilley, D.M.J. (1994)Tetraplex folding of telomere sequence and inclusion of adenine bases. EMBO J. 13,993-1001.
  • 23. Sen, D. & Gilbert, W. (1988) Formation of parallel four stranded complexes by guanine- rich motifs in DNA and its implication for meiosis. Nature (London) 334,364-366.
  • 24. Macleod, D., Charlton, J., Mullins,J. & Bird, A.P. (1994) Spl sites in the mouse aprt promoter are required to prevent methylation of the CpG island. Genes & Devel. 8,2282-2292.
  • 25. Woodford, K.J., Howell, R.M. & Usdin, K. (1994) A novel K(+)-dependent DNA synthesis arrest site in a commonly occuring sequence motif in eukaryotes. J. Biol. Chem. 269,27029-27035.
  • 26. Shimizu, A. & Honjo, T. (1984) Immonoglobulin class switching. Cell 36,801-803.
  • 27. Kiis, E. & Laemmli, U.K. (1992) In vivo topo­isomerase II cleavage of the Drosophila histone and satellite III repeats: DNA sequence and structural characterization. EMBO J. 11, 705-716.
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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

bwmeta1.element.agro-article-855c82f3-4c38-4b85-afff-28bc868df407
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